WEATHER TREND: MUCH COLDER WITH SNOW SHOWERS THU ??? STAY TUNED: WE ARE MOVING ON MARCH 1ST 2014 !!!

000
WTNT34 KNHC 100236
TCPAT4

BULLETIN
TROPICAL STORM SEAN ADVISORY NUMBER 8
NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011
1000 PM EST WED NOV 09 2011

...SEAN CONTINUES NORTHWARD WITH NO CHANGE IN STRENGTH...COULD STILL
BECOME A HURRICANE ON THURSDAY...


SUMMARY OF 1000 PM EST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...29.5N 70.7W
ABOUT 400 MI...645 KM WSW OF BERMUDA
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...991 MB...29.26 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* BERMUDA

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24
TO 36 HOURS.

INTERESTS IN BERMUDA SHOULD MONITOR PRODUCTS ISSUED BY THE BERMUDA
WEATHER SERVICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1000 PM EST...0300 UTC...THE CENTER OF TROPICAL STORM SEAN WAS
LOCATED NEAR LATITUDE 29.5 NORTH...LONGITUDE 70.7 WEST. SEAN IS
MOVING TOWARD THE NORTH NEAR 8 MPH...13 KM/H. A TURN TOWARD THE
NORTHEAST AND AN INCREASE IN FORWARD SPEED ARE EXPECTED ON
THURSDAY...WITH A FURTHER INCREASE IN FORWARD SPEED EXPECTED
THURSDAY NIGHT AND FRIDAY. ON THE FORECAST TRACK THE CENTER OF SEAN
WILL PASS NORTHWEST OF BERMUDA FRIDAY MORNING.

MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/H...WITH HIGHER
GUSTS. SOME STRENGTHENING IS EXPECTED IN THE NEXT 24 HOURS...AND
SEAN COULD BECOME A HURRICANE ON THURSDAY. WEAKENING IS EXPECTED
ON FRIDAY.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 255 MILES...410 KM
FROM THE CENTER.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 991 MB...29.26 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED ON BERMUDA BY THURSDAY
EVENING.

RAINFALL...SEAN IS EXPECTED TO PRODUCE 1 TO 3 INCHES OF RAIN ON
BERMUDA.

SURF...SWELLS GENERATED BY SEAN ARE AFFECTING PORTIONS OF THE
SOUTHEASTERN COAST OF THE UNITED STATES AND BERMUDA...CAUSING
LIFE-THREATENING SURF AND RIP CURRENTS. PLEASE SEE STATEMENTS FROM
YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR MORE DETAILS.


NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...100 AM EST.
NEXT COMPLETE ADVISORY...400 AM EST.

$$
FORECASTER BRENNAN

...FLOOD WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH LATE
WEDNESDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* FLOOD WATCH FOR PORTIONS OF MARYLAND...THE DISTRICT OF
COLUMBIA AND NORTHERN VIRGINIA...INCLUDING THE FOLLOWING
AREAS...IN MARYLAND...ANNE ARUNDEL...HARFORD...HOWARD...
MONTGOMERY...NORTHERN BALTIMORE...PRINCE GEORGES AND SOUTHERN
BALTIMORE. THE DISTRICT OF COLUMBIA. IN NORTHERN VIRGINIA...
ARLINGTON/FALLS CHURCH/ALEXANDRIA...FAIRFAX AND PRINCE
WILLIAM/MANASSAS/MANASSAS PARK.
* FROM WEDNESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT
* PERIODS OF MODERATE TO HEAVY RAINFALL ARE EXPECTED WEDNESDAY
AFTERNOON INTO WEDNESDAY NIGHT. RAIN IS EXPECTED TO END BEFORE
SUNRISE THURSDAY. AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED...WITH
LOCALLY HIGHER AMOUNTS POSSIBLE. IN THE CITIES...ACCUMULATIONS
OF AROUND 2 INCHES IN 6 HOURS MAY CAUSE STREAMS AND CREEKS TO GO
OUT OF THEIR BANKS.

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF MARYLAND...THE DISTRICT OF COLUMBIA AND NORTHERN VIRGINIA...INCLUDING THE FOLLOWING AREAS...IN MARYLAND...ANNE ARUNDEL...HARFORD...HOWARD...MONTGOMERY...NORTHERN BALTIMORE... PRINCE GEORGES AND SOUTHERN BALTIMORE. THE DISTRICT OF COLUMBIA. IN NORTHERN VIRGINIA...ARLINGTON/FALLS CHURCH/ALEXANDRIA...FAIRFAX AND PRINCE WILLIAM/MANASSAS/MANASSAS PARK. * THROUGH LATE TONIGHT * PERIODS OF MODERATE TO HEAVY RAINFALL WILL OCCUR THROUGH THIS EVENING. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED WITH LOCALLY HIGHER AMOUNTS...WHICH WILL BE SUFFICIENT TO CAUSE CREEKS AND STREAMS TO FLOOD. STREET FLOODING ALSO WILL BE POSSIBLE IN URBAN AREAS. A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO 3 AM EST THURSDAY... * PRECIPITATION TYPE...RAIN CHANGING HEAVY WET SNOW. * ACCUMULATIONS...1 TO 2 INCHES. 2 TO 4 INCHES ALONG THE MASON DIXON LINE IN CARROLL COUNTY. * TIMING...RAIN CHANGES TO SNOW IN THE LATE EVENING. HEAVIEST SNOW AROUND MIDNIGHT. * TEMPERATURES...OVERNIGHT TEMPERATURES IN THE UPPER 20S. * WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS UP TO 40 MPH. * IMPACTS...HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED DUE TO REDUCED VISIBILITY ALONG WITH SNOW. THE WEIGHT OF THE SNOW ACCUMULATIONS COMBINED WITH GUSTY WINDS COULD KNOCK DOWN SOME TREE LIMBS AND POWER LINES. A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW- COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
A COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY.
* TIDAL ANOMALY...1 TO 2 FEET ABOVE ASTRONOMICAL PREDICTION.
* TIMING...AROUND HIGH TIDE THIS AFTERNOON AND EVENING.
* EXPECTED IMPACTS...MINOR COASTLINE INUNDATION.
HERE ARE THE TIMES OF THE NEXT HIGH TIDES
FOR A FEW LOCATIONS FROM NORTH TO SOUTH...
ON THE CHESAPEAKE BAY...
HAVRE DE GRACE...12:03 AM...
BOWLEY BAR...9:41 PM...
FORT MCHENRY BALTIMORE...8:50 PM...
ANNAPOLIS U.S. NAVAL ACADEMY...7:20 PM.
NOW ALONG THE POTOMAC RIVER...
WASHINGTON CHANNEL...10:00 PM...
ALEXANDRIA...10:18 PM...
INDIAN HEAD...9:46 PM...
AQUIA CREEK...8:32 PM.

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

THE SOI INDEX OVER THE PAST FEW DAYS:

LOCALIZED AREAS OF MODERATE TO HEAVY SNOW AFFECTING PORTIONS OF
NORTHEASTERN MARYLAND THIS MORNING..
A SNOW BAND WITH MODERATE TO HEAVY SNOW...WITH GUSTY WINDS OF 20
TO 30 MPH...WILL AFFECT A NARROW CORRIDOR OF CARROLL AND BALTIMORE
COUNTIES THIS MORNING. AREAS FROM TANEYTOWN...THROUGH WESTMINSTER
AND INTO THE NORTHWESTERN BALTIMORE SUBURBS WILL RECEIVE A QUICK
DUSTING TO A HALF INCH OF SNOW ACCUMULATION. LOCALIZED AREAS WILL
ALSO EXPERIENCE REDUCED VISIBILITIES TO WITHIN A HALF MILE OR LESS
AT TIMES. USE CAUTION WHILE DRIVING IN THESE AREAS THIS MORNING.

...SLIPPERY SPOTS LATE THIS EVENING...
SPOTTY FREEZING RAIN HAS PRODUCED A FEW ICY ROADWAYS IN NORTHERN
MARYLAND AND THE EASTERN PANHANDLE OF WEST VIRGINIA. TEMPERATURES
ARE NEAR OR SLIGHTLY ABOVE FREEZING IN MOST LOCATIONS AND WILL
CONTINUE TO RISE SLOWLY TONIGHT...CAUSING ANY FROZEN PRECIPITATION
TO CHANGE TO RAIN OVERNIGHT.

Areas Affected: Carroll; Frederick; Harford; Northern Baltimore

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...
* PRECIPITATION TYPE...SNOW...SLEET AND FREEZING RAIN.
* ACCUMULATIONS...TWO TO FOUR INCHES OF SNOW AND SLEET. AROUND ONE
TENTH INCH OF ICE ACCUMULATION FROM FREEZING RAIN.
* TIMING...PRECIPITATION WILL BEGIN AS SNOW BEFORE MIDNIGHT...
MIXING WITH SLEET AND THEN FREEZING RAIN OVERNIGHT BEFORE
CHANGING TO ALL FREEZING RAIN SATURDAY MORNING. PRECIPITATION
WILL END BY EARLY SATURDAY AFTERNOON.
* TEMPERATURES...LOW TEMPERATURES IN THE MID TO UPPER 20S
TONIGHT. HIGHS SATURDAY IN THE MID TO UPPER 30S.
* WINDS...EAST 5 TO 10 MPH BECOMING NORTH SATURDAY.
* IMPACTS...SIGNIFICANT WINTRY PRECIPITATION WILL CAUSE
DANGEROUS TRAVELING CONDITIONS LATE THIS EVENING THROUGH
SATURDAY MORNING. ICE WILL ACCUMULATE ON TREES AND POWERLINES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

Areas Affected: Howard; Montgomery; Southern Baltimore

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
SATURDAY...
* PRECIPITATION TYPE...SNOW...SLEET AND FREEZING RAIN.
* ACCUMULATIONS...ONE TO THREE INCHES OF SNOW AND SLEET. ONE TENTH
INCH OF ICE ACCUMULATION FROM FREEZING RAIN.
* TIMING...SNOW WILL MIX WITH SLEET AFTER MIDNIGHT. PRECIPITATION
WILL MIX WITH FREEZING RAIN PREDAWN SATURDAY...BEFORE CHANGING
TO ALL FREEZING RAIN SATURDAY MORNING. PRECIPITATION WILL END BY
EARLY SATURDAY AFTERNOON.
* TEMPERATURES...LOW TEMPERATURES IN THE MID TO UPPER 20S
TONIGHT. HIGHS SATURDAY IN THE MID TO UPPER 30S.
* WINDS...EAST 5 TO 10 MPH BECOMING NORTH SATURDAY.
* IMPACTS...SIGNIFICANT WINTRY PRECIPITATION WILL CAUSE
DANGEROUS TRAVELING CONDITIONS LATE THIS EVENING THROUGH
SATURDAY MORNING. ICE WILL ACCUMULATE ON TREES AND POWERLINES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

Areas Affected: Carroll; Frederick; Harford; Northern Baltimore

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
* PRECIPITATION TYPE...SNOW...SLEET AND FREEZING RAIN.
* ACCUMULATIONS...ONE- TO TWO-TENTHS INCH ICE ACCUMULATION. TOTAL
SNOW AND SLEET ACCUMULATION OF AROUND 2 INCHES.
* TIMING...LINGERING SNOW AND SLEET WILL CHANGE TO FREEZING RAIN
EARLY THIS MORNING. FREEZING RAIN WILL CONTINUE THROUGH THE
MORNING.
* TEMPERATURES...IN THE UPPER 20S.
* WINDS...NORTHEAST 5 TO 10 MPH.
* IMPACTS...ICE WILL ACCUMULATE ON EXPOSED SURFACES...ESPECIALLY
TREES AND POWER LINES. SLIPPERY ROADS WILL MAKE TRAVEL
HAZARDOUS.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET AND
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

Areas Affected: Anne Arundel; Charles; Howard; Montgomery; Prince Georges; Southern Baltimore

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
* PRECIPITATION TYPE...PRIMARILY FREEZING RAIN.
* ACCUMULATIONS...AROUND ONE-TENTH INCH ICE ACCUMULATION IN
ADDITION TO ALREADY ACCUMULATED SNOW AND SLEET.
* TIMING...FREEZING RAIN WILL CHANGE TO RAIN LATE THIS MORNING.
* TEMPERATURES...UPPER 20S TO LOWER 30S. HIGHS IN THE MID TO UPPER
30S.
* WINDS...NORTHEAST 5 TO 10 MPH.
* IMPACTS...ICE WILL ACCUMULATE ON EXPOSED SURFACES...ESPECIALLY
TREES AND POWER LINES. SLIPPERY ROADS WILL MAKE TRAVEL
HAZARDOUS.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET AND
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

Areas Affected: Anne Arundel; Calvert; Carroll; Central and Eastern Allegany; Charles; Extreme Western Allegany; Frederick; Harford; Howard; Montgomery; Northern Baltimore; Prince Georges; Southern Baltimore; St. Marys; Washington

...SLIPPERY CONDITIONS EXPECTED TONIGHT...
ALTHOUGH PRECIPITATION HAS ENDED ACROSS THE REGION...TEMPERATURES
BARELY MADE IT ABOVE FREEZING ACROSS CENTRAL VIRGINIA...SOUTHERN
MARYLAND...AND THE DISTRICT OF COLUMBIA...AND REMAINED BELOW
FREEZING ACROSS NORTHERN AND CENTRAL MARYLAND...NORTHERN
VIRGINIA...AND EASTERN WEST VIRGINIA. THEREFORE LITTLE IF ANY OF
THIS MORNINGS SNOW AND ICE HAD AN OPPORTUNITY TO MELT. EVEN WHERE
THE DAY FEATURED RAIN...GROUND CONDITIONS ARE WET.
ALONG WITH SUNSET TEMPERATURES WILL BE DROPPING BELOW FREEZING
AREAWIDE...BOTTOMING OUT IN THE TEENS ACROSS NORTHERN MARYLAND AND
IN THE 20S ELSEWHERE. THEREFORE...ANY RAIN OR SLUSH WILL BE
QUICKLY FREEZING. ANY UNTREATED ROAD OR SIDEWALK WILL BE ICY AND
SLIPPERY. EVEN TREATED SURFACES MAY HAVE A FEW SLICK SPOTS.
RESIDENTS SHOULD EXERCISE CAUTION IF VENTURING OUTDOORS TONIGHT.
MOTORISTS SHOULD DRIVE SLOWLY AND ALLOW FOR EXTRA BRAKING DISTANCE.

Areas Affected: Carroll; Frederick; Howard; Montgomery; Northern Baltimore; Washington

...FREEZING RAIN ADVISORY IN EFFECT UNTIL 9 AM EST MONDAY...
THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A FREEZING RAIN ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM
EST MONDAY.
* PRECIPITATION TYPE...FREEZING RAIN AND FREEZING DRIZZLE.
* ACCUMULATIONS....LESS THAN A TENTH OF AN INCH.
* TIMING...LATE THIS AFTERNOON THROUGH EARLY MONDAY MORNING.
* TEMPERATURES...UPPER 20S TO LOWER 30S.
* WINDS...SOUTHEAST 5 TO 10 MPH.
* IMPACTS...LIGHT ICING ON ROADWAYS AND ELEVATED SURFACES WILL
MAKE TRAVELING HAZARDOUS.

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

Areas Affected: Anne Arundel; Calvert; Charles; Harford; Prince Georges; Southern Baltimore

...FREEZING RAIN ADVISORY IN EFFECT UNTIL 6 AM EST MONDAY...
THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A FREEZING RAIN ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM
EST MONDAY.
* PRECIPITATION TYPE...FREEZING RAIN AND FREEZING DRIZZLE.
* ACCUMULATIONS....A TRACE TO LESS THAN A TENTH OF AN INCH.
* TIMING...LATE THIS AFTERNOON THROUGH EARLY MONDAY MORNING.
* TEMPERATURES...UPPER 20S TO LOWER 30S.
* WINDS...NORTHEAST UP TO 5 MPH.
* IMPACTS...LIGHT ICING ON ROADWAYS AND ELEVATED SURFACES WILL
MAKE TRAVELING HAZARDOUS.

A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.

Areas Affected: Anne Arundel; Carroll; Frederick; Harford; Howard; Montgomery; Northern Baltimore; Prince Georges; Southern Baltimore; Washington

...DENSE FOG ADVISORY IN EFFECT UNTIL NOON EST TODAY...
THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST
TODAY.
* VISIBILITIES...ONE QUARTER MILE OR LESS THROUGH THIS MORNING.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

Areas Affected: Anne Arundel; Carroll; Frederick; Harford; Howard; Northern Baltimore; Southern Baltimore

...AREAS OF DENSE FOG THIS EVENING...
ABUNDANT LOW LEVEL MOISTURE HAS CAUSED PATCHY DENSE FOG ACROSS
CENTRAL MARYLAND. THE WORST CONDITIONS ARE OCCURRING NEAR THE
MASON-DIXON LINE WHERE VISIBILITY WILL BE BELOW ONE QUARTER MILE
AT TIMES.
A DENSE FOG ADVISORY MAY BECOME NECESSARY.
PLEASE USE EXTRA CAUTION WHEN DRIVING THIS EVENING. ALLOW EXTRA TIME TO
GET TO YOUR DESTINATION AND USE LOW BEAMS.

...ELEVATED FIRE THREAT THIS AFTERNOON AND EVENING FOR MUCH OF THE
MID-ATLANTIC REGION...
WESTERLY WINDS AHEAD OF AN APPROACHING COLD FRONT WILL INCREASE
TO 20 TO 30 MPH WITH OCCASIONAL GUSTS OF 40 MPH. THE COMBINATION
OF LOW RELATIVE HUMIDITIES AND GUSTY WINDS WILL PRODUCE AN
ELEVATED FIRE THREAT LATE THIS AFTERNOON AND THIS EVENING. OUTDOOR
BURNING IS NOT ADVISED DESPITE HIGH FUEL MOISTURES.

A FAST MOVING LINE OF SNOW SQUALLS IS TRACKING EAST AT 45
MPH ACROSS NORTHERN MARYLAND. WEATHER SPOTTERS ARE REPORTING
VERY LOW VISIBILITY IN THIS SQUALL. ACCUMULATION OF UP TO
ONE INCH IS POSSIBLE. THIS IS EXPECTED TO REACH I-95 NEAR
HAVRE DE GRACE AROUND 11 PM.

...SLICK SPOTS TONIGHT...
THE MIX OF RAIN AND SNOW FROM THIS AFTERNOON AND EARLY EVENING HAS
ENDED ACROSS CENTRAL AND WESTERN MARYLAND...NORTHERN VIRGINIA AND
THE EASTERN WEST VIRGINIA PANHANDLE. HOWEVER...TEMPERATURES HAVE
DROPPED TO AROUND THE FREEZING MARK AND ARE EXPECTED TO REMAIN
NEAR FREEZING THROUGH THE NIGHT.
ANY MOISTURE FROM EARLIER PRECIPITATION WILL BE CAPABLE OF
FREEZING ON SURFACES SUCH AS UNTREATED ROADS...BRIDGES AND
OVERPASSES AS WELL AS SIDEWALKS. IN ADDITION...SCATTERED SNOW
SHOWERS WILL MOVE THROUGH THE AREA DURING THE OVERNIGHT HOURS
RESULTING IN LIGHT ADDITIONAL SNOWFALL ACCUMULATIONS.
PLEASE USE EXTRA CAUTION IF TRAVELLING TONIGHT AND WATCH OUT FOR
ICY SPOTS.

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM EST
THIS EVENING...
THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A WINTER WEATHER ADVISORY FOR SNOW...
WHICH IS IN EFFECT FROM NOON TODAY TO 10 PM EST THIS EVENING.
* PRECIPITATION TYPE...SNOW
* ACCUMULATIONS...1 TO 2 INCHES OF SNOW.
* TIMING...LIGHT SNOW WILL OVERSPREAD THE REGION FROM WEST TO EAST
BETWEEN 11 AM AND 2 PM. A PERIOD OF MODERATE SNOW CAN BE
EXPECTED DURING THE LATE AFTERNOON AND EVENING RUSH HOUR. STEADY
SNOW WILL TAPER OFF FROM WEST TO EAST DURING THE MID TO LATE
EVENING.
* TEMPERATURES...IN THE MID 30S.
* WINDS...NORTHEAST UP TO 5 MPH.
* IMPACTS...HAZARDOUS TRAVEL DUE TO LOW VISIBILITIES AT TIMES AND
SNOW-COVERED ROADWAYS...ESPECIALLY UNTREATED SECONDARY ROADS.
THE LATE AFTERNOON AND EVENING RUSH-HOUR COMMUTE WILL BE
IMPACTED.

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

Areas Affected: Harford And Northern Baltimore Counties:

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 PM EST THIS
EVENING...
* PRECIPITATION TYPE...SNOW
* ACCUMULATIONS...1 TO 2 INCHES OF SNOW.
* TIMING...LIGHT SNOW WILL CONTINUE DURING THE LATE AFTERNOON AND EVENING
RUSH HOUR. STEADY SNOW WILL TAPER OFF FROM WEST TO EAST DURING
THE MID TO LATE EVENING.
* TEMPERATURES...IN THE MID 30S.
* WINDS...NORTHEAST 5 MPH.
* IMPACTS...HAZARDOUS TRAVEL DUE TO LOW VISIBILITIES AT TIMES
AND SNOW-COVERED ROADWAYS...ESPECIALLY UNTREATED SECONDARY
ROADS. THE LATE AFTERNOON AND EVENING RUSH-HOUR COMMUTE WILL
BE IMPACTED.

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

A STRONG COLD FRONT WILL MOVE THROUGH THE MID ATLANTIC REGION
LATE TONIGHT. A PROLONGED PERIOD OF COLD NORTHWEST WINDS WILL
BRING MOISTURE FROM THE GREAT LAKES AND CREATE UPSLOPE SNOWS
ALONG THE WESTERN SLOPES OF THE HIGHLANDS. SNOW SHOWERS WILL
BRING LIGHT ACCUMULATIONS EAST OF THE HIGHLANDS AND ALONG THE
MASON DIXON LINE FRIDAY NIGHT AND SATURDAY.
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO 7 PM EST SATURDAY...
* PRECIPITATION TYPE...SNOW
* ACCUMULATIONS...1 TO 3 INCHES.
* TIMING...SNOW BEGINNING LATE THIS EVENING IN WESTERN MARYLAND
AND EASTERN WEST VIRGINIA...AFTER MIDNIGHT IN CENTRAL
MARYLAND. SNOW SHOWERS SHOULD CONTINUE PERIODICALLY THROUGHOUT
THE DAY SATURDAY.
* TEMPERATURES...IN THE MID 30S.
* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM EST SUNDAY...
* TIMING...TONIGHT. THE HIGHEST GUSTS ARE LIKELY THIS EVENING.
* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

NOUS41 KLWX 120955
PNSLWX
DCZ001-MDZ003>007-009>011-013-014-016>018-501-502-VAZ025>031-
036>040-042-050>057-501>504-WVZ050>053-055-501>506-122155-

PUBLIC INFORMATION STATEMENT
SPOTTER REPORTS
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
455 AM EST SUN FEB 12 2012

THE FOLLOWING ARE UNOFFICIAL OBSERVATIONS TAKEN OF THE SNOW FROM THE
SERIES OF STORMS THAT AFFECTED OUR REGION OVER THE PAST 36 HOURS AND
FOR THE WIND THAT BEGAN SATURDAY AFTERNOON. APPRECIATION IS EXTENDED
TO HIGHWAY DEPARTMENTS...COOPERATIVE OBSERVERS...SKYWARN SPOTTERS AND
MEDIA FOR THESE REPORTS. THIS SUMMARY IS ALSO AVAILABLE ON OUR HOME
PAGE AT WEATHER.GOV/BALTIMORE

********************STORM TOTAL SNOWFALL********************

LOCATION STORM TOTAL TIME/DATE COMMENTS
SNOWFALL OF
/INCHES/ MEASUREMENT

MARYLAND

...ANNE ARUNDEL COUNTY...
BWI AIRPORT 0.5 1200 AM 2/12 AIRPORT

...BALTIMORE COUNTY...
2 NW LONG GREEN 2.8 1100 PM 2/11 TRAINED SPOTTER
HUNT VALLEY 1.5 1100 PM 2/11 BROADCAST MEDIA

...CARROLL COUNTY...
1 SSW MANCHESTER 3.9 1055 PM 2/11 TRAINED SPOTTER
4 NE MILLERS 2.5 200 AM 2/12 CO-OP OBSERVER
3 WSW LINEBORO 1.2 1035 PM 2/11 TRAINED SPOTTER

...CHARLES COUNTY...
1 SW DENTSVILLE 0.5 100 AM 2/12 TRAINED SPOTTER

...HOWARD COUNTY...
1 SSE SIMPSONVILLE 1.6 103 AM 2/12 TRAINED SPOTTER

...MONTGOMERY COUNTY...
2 WSW DAMASCUS 2.7 1158 PM 2/11 CO-OP OBSERVER
1 SSE COLESVILLE 0.5 1145 PM 2/11 THIS EVENING ONLY

VIRGINIA

...ARLINGTON COUNTY...
REAGAN NATIONAL AIRP 0.2 1209 AM 2/12 AIRPORT

...CLARKE COUNTY...
1 NNW BERRYVILLE 0.6 735 PM 2/11 TRAINED SPOTTER

...FAIRFAX COUNTY...
2 ESE CHANTILLY 0.4 1208 AM 2/12 NWS EMPLOYEE

...LOUDOUN COUNTY...
1 NNE DULLES INTERNA 1.2 1200 AM 2/12 ASOS

WEST VIRGINIA

...GRANT COUNTY...
BAYARD 7.1 720 PM 2/11 CO-OP OBSERVER


***********************PEAK WIND GUST***********************

LOCATION MAX WIND TIME/DATE COMMENTS
GUST OF
MPH MEASUREMENT

MARYLAND

...ANZ533...
3 E CALVERT CLIFFS 46 948 PM 2/11 BUOY

...ANZ537...
2 WSW PINEY POINT 53 712 PM 2/11 MESONET
2 SE COBB ISLAND 47 705 PM 2/11 BUOY
7 SSE SAINT GEORGE I 46 930 PM 2/11 BUOY

...BALTIMORE COUNTY...
1 WSW ARBUTUS 46 713 PM 2/11 MESONET

...FREDERICK COUNTY...
2 SW FLINT 53 709 PM 2/11 AWOS

...MONTGOMERY COUNTY...
2 SE GAITHERSBURG 46 750 PM 2/11 MESONET

...ST. MARYS COUNTY...
POINT LOOKOUT 48 805 PM 2/11 BUOY
2 ENE PATUXENT RIVER 48 321 AM 2/12 AWOS

VIRGINIA

...ANZ543...
8 E SMITH ISLAND 47 1254 AM 2/12 BUOY

...ARLINGTON COUNTY...
1 E CHERRYDALE 53 821 PM 2/11 MESONET
1 S REAGAN NATIONAL 49 221 AM 2/12 ASOS

...FAIRFAX COUNTY...
1 ESE NEWINGTON 47 839 PM 2/11 AWOS

...GREENE COUNTY...
2 SE LYDIA 57 1107 PM 2/11 TRAINED SPOTTER

...KING GEORGE COUNTY...
3 NE DAHLGREN 51 847 PM 2/11 MESONET

...LOUDOUN COUNTY...
2 SSW LEESBURG 51 955 PM 2/11 AWOS
1 NNE DULLES INTERNA 49 722 PM 2/11 ASOS
2 ENE LOVETTSVILLE 47 718 PM 2/11 MESONET

...PRINCE WILLIAM COUNTY...
2 S WOODBRIDGE 46 1223 AM 2/12 MESONET

$$

KCS

Monday morning powder with today's installment of where to ski. Deer Valley 14in, Silverton 14in, Wolf Creek, CO 14in, Durango 14in, Brighton 12in, Brian Head 11in, Taos 11in, Solitude 11in, Alpine Meadows 10in, Alyeska 10in, Sugar Bowl 8in, China Peak 10in. And we didn't even name them all.

ALL EYES IN THE EXTENDED REMAIN ON THE CLOSED SRN STREAM LOW OVER NRN BAJA CALIFORNIA ON THURSDAY THAT WILL OPEN AND EJECT EAST TO THE GULF COAST...THEN DEPENDING ON INFLUENCES FROM THE NRN STREAM WILL CONTINUE TRACKING EAST OR TURN NORTHEAST AND HEAD UP THE ERN SEABOARD. 00Z ECMWF HAS A MESSY NORTHERN STREAM TROUGH ACROSS THE GREAT LAKES TO NEW ENGLAND WITH MULTIPLE VORT MAXES AND LITTLE PHASING. 00Z GFS BRINGS A MORE DEFINED TROUGH IN FROM THE GREAT LAKES WITH PHASING OCCURRING OVER THE NRN MID ATLANTIC. DETAILS ARE OBVIOUSLY STILL TOO FAR AWAY. FOR SIGNIFICANT SNOW FOR LWX...PHASING WOULD HAVE TO BEGIN TO OUR WEST...ALLOWING TRANSLATION OF ENERGY TO THE COASTAL SYSTEM AS IT MOVES UP FROM THE CAROLINAS.
INGREDIENTS FOR SIGNIFICANT SNOWFALL ARE THERE...IT IS SIMPLY A
WAITING GAME FOR THE MODELS TO DELIVER CONSISTENCY AND THUS
CONFIDENCE. TIMING FOR ANY POTENTIAL SYSTEM REMAINS SATURDAY NIGHT
INTO SUNDAY. CONTINUED LOW CHANCE POPS FROM BALT-WASH AND SOUTH
WITH A RAIN/SNOW MIX THROUGH THIS TIME.

A FIRE WEATHER WATCH IS NOW IN EFFECT FOR THE BALTIMORE METRO AREA FOR THURSDAY AFTERNOON - 02/23/12



...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT
EST TONIGHT...
THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 3 PM THIS
AFTERNOON TO MIDNIGHT EST TONIGHT.
* TIMING...THE STRONGEST WINDS WILL BE LATE THIS AFTERNOON THROUGH
THIS EVENING.
* WINDS...SOUTHWEST LATE THIS AFTERNOON 20 TO 30 MPH WITH
GUSTS UP 55 MPH...
BECOMING WEST THIS EVENING.

A WIND ADVISORY MEANS THAT WIND GUSTS OVER 45 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

...FLOOD WATCH IN EFFECT UNTIL 7AM SATURDAY...
...FLOOD WATCH REMAINS IN EFFECT UNTIL 9 AM EST SATURDAY...
THE FLOOD WATCH CONTINUES FOR
* THE WASHINGTON AND BALTIMORE METROPOLITAN AREAS...PORTIONS OF
NORTHERN MARYLAND AS WELL AS NORTHERN AND CENTRAL VIRGINIA.
* UNTIL 9 AM EST SATURDAY
* PERIODS OF MODERATE TO LOCALLY HEAVY RAIN ALONG WITH ISOLATED
THUNDERSTORMS WILL MOVE THROUGH THE AREA TONIGHT INTO SATURDAY
MORNING. SOIL REMAINS SATURATED DUE TO PREVIOUS RAINFALL EARLIER
THIS WEEK. RAINFALL AMOUNTS AROUND ONE HALF TO ONE INCH ARE
EXPECTED ACROSS THE AREA. HOWEVER...ISOLATED AMOUNTS OVER ONE
INCH ARE POSSIBLE IN BANDS OF HEAVIER RAIN AND THUNDERSTORMS.
THE RAINFALL WILL COMBINE WITH SATURATED SOIL TO ENHANCE THE
THREAT FOR CREEKS AND STREAMS TO RISE OUT OF THEIR BANKS AND
ALSO FOR FLOODING IN URBAN AREAS.

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

A DENSE FOG ADVISORY IS NOW IN EFFECT FOR THE BALTIMORE METRO AREA FROM 12 AM EDT ON FRIDAY 03/16/12 UNTIL 10 AM EDT ON FRIDAY 03/16/12

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...
* TEMPERATURES...33 TO 36F.
* IMPACTS...UNPROTECTED VEGETATION SENSITIVE TO FROST WILL BE AT
RISK FOR DAMAGE.

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM EDT
FRIDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SATURDAY MORNING...
* TEMPERATURES...UPPER 20S TO THE LOWER 30S EARLY FRIDAY MORNING
AND AGAIN EARLY SATURDAY MORNING.
* IMPACTS...DAMAGE TO UNPROTECTED VEGETATION THAT IS SENSITIVE IN
FREEZING TEMPERATURES.

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.
A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE.
THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION.

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THURSDAY...
* HEAT INDEX VALUES...100 TO 105 DEGREES TODAY AND AROUND 105
DEGREES THURSDAY. OVERNIGHT HEAT INDEX REMAINING ABOVE 80
DEGREES IN THE SUBURBS AND NEAR 90 DEGREES IN THE URBAN CENTERS.
* TEMPERATURES...HIGH TEMPERATURES TODAY AND THURSDAY IN THE UPPER
90S TO AROUND 100. LOW TEMPERATURES TONIGHT IN THE MID 70S AND
LOWER 80S.
* IMPACT...THOSE OUTDOORS FOR AN EXTENDED PERIOD OF TIME AS WELL
AS THOSE PARTICULARLY SENSITIVE TO THE HEAT WILL BE AT RISK
FOR HEAT EXHAUSTION AND OTHER HEAT-RELATED ILLNESS.

A HEAT ADVISORY MEANS THAT A PERIOD OF HOT TEMPERATURES IS
EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY
WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE
POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED
ROOM...STAY OUT OF THE SUN...AND CHECK IN ON RELATIVES AND
NEIGHBORS.
TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN
POSSIBLE AND DRINK PLENTY OF WATER.
TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY - CALL 9 1 1.

...ENHANCED THREAT FOR WILDFIRES THIS AFTERNOON AND EARLY
EVENING...
NORTHWEST WINDS AROUND 15 MPH WILL FREQUENTLY GUST BETWEEN 20 AND
25 MPH DURING THE AFTERNOON AND EARLY EVENING. RELATIVE HUMIDITIES
ARE EXPECTED TO DECREASE TO AROUND 30 PERCENT THIS AFTERNOON AND
FUEL MOISTURE WILL REMAIN LOW DUE TO LITTLE RAINFALL OVER THE LAST
SEVERAL DAYS. THE COMBINATION OF GUSTY WINDS...LOW RELATIVE
HUMIDITIES AND LOW FUEL MOISTURE WILL ENHANCE THE THREAT FOR THE
SPREAD OF WILDFIRES THIS AFTERNOON AND EARLY EVENING. WINDS ARE
FORECAST TO DIMINISH BY SUNSET.

...EXCESSIVE HEAT WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...
THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED AN EXCESSIVE HEAT WATCH...WHICH IS IN EFFECT FROM FRIDAY
MORNING THROUGH FRIDAY EVENING.
* HEAT INDEX VALUES...UP TO 110 DEGREES.
* TEMPERATURES...UPPER 90S TO AROUND 100 DEGREES.
* IMPACT...RISK OF HEAT EXHAUSTION OR OTHER HEAT-RELATED ILLNESS
TO THOSE WITHOUT AIR-CONDITIONING AND THOSE OUTDOORS FOR ANY
EXTENDED PERIOD.

AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT
TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND
HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN
WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY
IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP
ON RELATIVES AND NEIGHBORS.

...EXTREMELY DANGEROUS THUNDERSTORMS TO IMPACT BALTIMORE AND
WASHINGTON REGION THIS EVENING...
AT 9:30 PM...A LINE OF SEVERE THUNDERSTORMS PRODUCING DAMAGING
WIND GUSTS WAS CROSSING WESTERN MARYLAND AND THE EASTERN PANHANDLE
OF WEST VIRGINIA. THIS LINE OF THUNDERSTORMS IS EXPECTED TO HIT
CENTRAL MARYLAND AND THE WESTERN SUBURBS OF WASHINGTON DC BETWEEN
10 AND 10:30 PM...THE INTERSTATE 95 CORRIDOR INCLUDING WASHINGTON
DC AND BALTIMORE BETWEEN 10:30 AND 11 PM...THEN REACH THE
CHESAPEAKE BAY BETWEEN 11:30 AND MIDNIGHT.
THIS LINE OF STORMS HAS A HISTORY OF PRODUCING MAJOR WIND DAMAGE
ACROSS WESTERN MARYLAND AND EASTERN WEST VIRGINIA DUE TO WIND
GUSTS OVER 75 MPH...ALONG WITH PROLIFIC CLOUD TO GROUND LIGHTNING.
THIS IS A PARTICULARLY DANGEROUS SITUATION THIS EVENING. RESIDENTS AND
VISITORS TO THE REGION SHOULD START PLANNING NOW TO PROTECT LIFE
AND PROPERTY THROUGH SEEKING SHELTER IN A STURDY BUILDING WHEN
WARNINGS ARE ISSUED FOR YOUR AREA.

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING...
* HEAT INDEX VALUES...BETWEEN 110 AND 115 DEGREES THIS
AFTERNOON. UP TO 110 DEGREES AGAIN SATURDAY AFTERNOON.
* TEMPERATURES...AROUND 100 DEGREES THIS AFTERNOON AND AGAIN
SATURDAY AFTERNOON.
* IMPACT...RISK OF HEAT EXHAUSTION OR OTHER HEAT-RELATED ILLNESS
FOR THOSE WITHOUT AIR-CONDITIONING OR THOSE SPENDING TIME
OUTDOORS FOR AN EXTENDED PERIOD.

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS
SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK IN ON RELATIVES AND NEIGHBORS.
AN EXCESSIVE HEAT WATCH MEANS THAT A PROLONGED PERIOD OF HOT
TEMPERATURES IS EXPECTED. A HEAT ADVISORY MEANS THAT A PERIOD OF
HOT TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES
AND HIGH HUMIDITY WILL CREATE A SITUATION IN WHICH HEAT ILLNESSES
ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED
ROOM...STAY OUT OF THE SUN...AND CHECK IN ON RELATIVES AND
NEIGHBORS.
TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN
POSSIBLE AND DRINK PLENTY OF WATER.
TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR-CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY - CALL 9 1 1.

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 438 TO INCLUDE THE FOLLOWING AREAS UNTIL 1 AM EDT SATURDAY
IN MARYLAND THIS WATCH INCLUDES 7 COUNTIES
IN CENTRAL MARYLAND
ANNE ARUNDEL HOWARD
IN NORTH CENTRAL MARYLAND
CARROLL
IN NORTHERN MARYLAND
BALTIMORE HARFORD
IN SOUTHERN MARYLAND
CALVERT ST. MARYS
IN MARYLAND THIS WATCH INCLUDES 1 INDEPENDENT CITY
IN NORTHERN MARYLAND
BALTIMORE CITY

...AIR QUALITY ALERT IS IN EFFECT FOR SATURDAY JULY 7 2012...
THE MARYLAND DEPARTMENT OF THE ENVIRONMENT HAS ISSUED A CODE RED AIR
QUALITY ALERT SATURDAY FOR THE BALTIMORE METRO AREA.
A CODE RED AIR QUALITY ALERT MEANS THAT AIR POLLUTION CONCENTRATIONS
WITHIN THE REGION ARE UNHEALTHFUL FOR THE GENERAL POPULATION. THE
EFFECTS OF AIR POLLUTION CAN BE MINIMIZED BY AVOIDING STRENUOUS
ACTIVITY OR EXERCISE OUTDOORS.
FOR MORE INFORMATION ON GROUND-LEVEL OZONE AND FINE
PARTICLES...VISIT WWW.MDE.STATE.MD.US/AIR...OR CALL THE MARYLAND
AIR QUALITY HOTLINE AT 4 1 0...5 3 7...3 2 4 7.

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM
EDT SATURDAY...
* HEAT INDICES...AROUND 110 SATURDAY AFTERNOON.
* MAXIMUM TEMPERATURES...AROUND 100 SATURDAY AFTERNOON.
* IMPACT...HIGH RISK OF HEAT EXHAUSTION OR OTHER HEAT-RELATED
ILLNESS FOR THOSE WITHOUT AIR-CONDITIONING OR THOSE SPENDING
TIME OUTDOORS FOR AN EXTENDED PERIOD.

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF HOT
TEMPERATURES IS EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND
HIGH HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT
ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-
CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON
RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHTWEIGHT AND LOOSE-FITTING CLOTHING WHEN POSSIBLE
AND DRINK PLENTY OF WATER.
TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR-CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY - CALL 9 1 1.

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM
EDT SATURDAY...
...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...
* HEAT INDICES...AROUND 110 SATURDAY AFTERNOON.
* MAXIMUM TEMPERATURES...100 TO 105 SATURDAY AFTERNOON.
* IMPACT...HIGH RISK OF HEAT EXHAUSTION OR OTHER HEAT-RELATED
ILLNESS FOR THOSE WITHOUT AIR-CONDITIONING OR THOSE SPENDING
TIME OUTDOORS FOR AN EXTENDED PERIOD.

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS
SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF
FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE
SUN...AND CHECK IN ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE.
WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE
FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER.
TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT
REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS.
ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND
SHADED LOCATION. HEAT STROKE IS AN EMERGENCY - CALL 9 1 1.

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
842 PM EDT SUN OCT 28 2012

ANZ530>543-DCZ001-MDZ003>007-009>011-013-014-016>018-501-502-
VAZ025>031-036>040-042-050>057-501>504-WVZ050>053-055-501>506-
290645-
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD-
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD-
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
PATUXENT RIVER TO BROOMES ISLAND MD-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND-DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL-
NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-
PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-
EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-AUGUSTA-
ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-NELSON-
ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-LOUDOUN-ORANGE-CULPEPER-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-
KING GEORGE-NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN HIGHLAND-
EASTERN HIGHLAND-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY-
WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL-
WESTERN PENDLETON-EASTERN PENDLETON-
INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK...
WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...
WALDORF...ST MARYS CITY...FROSTBURG...CUMBERLAND...STAUNTON...
WAYNESBORO...HARRISONBURG...WINCHESTER...FRONT ROYAL...
CHARLOTTESVILLE...LEESBURG...CULPEPER...MANASSAS...
MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH...
FREDERICKSBURG...WARRENTON...HIGHTOWN...MONTEREY...MARTINSBURG...
CHARLES TOWN...MOOREFIELD...BAYARD...MOUNT STORM...PETERSBURG...
ELK GARDEN...KEYSER...FORT ASHBY...CIRCLEVILLE...FRANKLIN
842 PM EDT SUN OCT 28 2012

...SANDY LOCAL STATEMENT...

...SANDY TO BRING HURRICANE FORCE WINDS AND FLOOD-PRODUCING HEAVY
RAINFALL TO MUCH OF THE REGION MONDAY THROUGH TUESDAY...

THIS STATEMENT IS FOR THE GREATER BALTIMORE/WASHINGTON
METROPOLITAN AREAS, INCLUDING THE MARYLAND PORTION OF THE
CHESAPEAKE BAY, TIDAL POTOMAC RIVER, MARYLAND FROM THE WESTERN
SHORE OF THE CHESAPEAKE BAY TO GARRETT COUNTY, NORTHERN VIRGINIA,
AND EXTREME EASTERN WEST VIRGINIA. THE OBJECTIVE OF THESE
STATEMENTS IS TO PROVIDE A SINGLE PRODUCT THAT INTEGRATES THE
WARNING PRODUCTS ISSUED BY THE NATIONAL WEATHER SERVICE
BALTIMORE/WASHINGTON WEATHER FORECAST OFFICE.

SANDY LOCAL STATEMENTS WILL BE RELEASED EVERY 6 HOURS THROUGH
WEDNESDAY MORNING AT THE FOLLOWING RELEASE TIMES: 11 PM...5
AM...11 AM...AND 5 PM.

AT 8 PM EDT...THE CENTER OF HURRICANE SANDY WAS LOCATED NEAR
LATITUDE 34.0N...LONGITUDE 70.9W. THIS WAS ABOUT 475 MILES
SOUTHEAST OF WASHINGTON DC. SANDY WAS MOVING NE AT 15 MPH...WITH
MAXIMUM SUSTAINED WINDS OF 75 MPH. SANDY IS FORECAST TO MAKE
LANDFALL ALONG THE NEW JERSEY COAST MONDAY NIGHT. HOWEVER SANDY
WILL IMPACT THE REGION WELL BEFORE IT COMES ASHORE ON MONDAY NIGHT.

SUMMARY OF THREATS
------------------
THE MAIN THREATS FOR SANDY WILL BE STRONG WINDS RESULTING IN
WIDESPREAD TREE DAMAGE AND HEAVY RAINS WHICH WILL RESULT IN
EXTENSIVE FLOODING OF LOCAL CREEKS...STREAMS AND SMALL RIVERS.
BLIZZARD CONDITIONS ARE FORECAST IN THE POTOMAC HIGHLANDS AT ELEVATIONS
ABOVE 2500 FEET.

HIGH WINDS
----------
* WINDS WILL INCREASE STEADILY DURING THE DAY ON MONDAY...WITH THE
MAXIMUM WIND GUSTS OCCURRING BETWEEN MONDAY THROUGH TUESDAY
MORNING. GENERALLY...SUSTAINED WINDS OF 30 TO 50 MPH WITH GUSTS
TO 60 MPH CAN BE EXPECTED ACROSS THE ENTIRE AREA.
* HURRICANE FORCE WIND GUSTS TO 70 MPH ARE EXPECTED TO IMPACT A
REGION LOCATED BETWEEN BEL AIR MD...PT LOOKOUT MD...AND
FREDERICK MD. THIS INCLUDES THE GREATER BALTIMORE AND WASHINGTON
METROPOLITAN AREAS.
* COUPLED WITH HEAVY RAINS FROM SANDY...THE HIGH WINDS WILL RESULT
IN SIGNIFICANT TREE DAMAGE AND POWER LINE DAMAGE.

RAINFALL AND FLOODING
---------------------
* 6 TO 10 INCHES OF RAIN JUST WEST OF THE CHESAPEAKE BAY INCLUDING
THE BALTIMORE METROPOLITAN AREA.
* 4 TO 8 INCHES OF RAIN IS EXPECTED ALONG THE INTERSTATE 270
CORRIDOR INCLUDING THE WASHINGTON DC METROPOLITAN AREA.
* 3 TO 6 INCHES OF RAIN FOR THE POTOMAC HIGHLANDS AND RAPPAHANNOCK
RIVER BASIN INCLUDING CUMBERLAND MD.
* 1 TO 3 INCHES OF RAIN FOR THE NORTHERN SHENANDOAH VALLEY AND
NORTH CENTRAL PIEDMONT OF VIRGINIA SOUTH OF INTERSTATE 66
INCLUDING CHARLOTTESVILLE VA.
* THIS AMOUNT OF RAIN WILL LIKELY RESULT IN EXTENSIVE FLOODING OF
LOCAL STREAMS...CREEKS AND SMALL RIVERS STARTING ON MONDAY
AFTERNOON AND LASTING THROUGH TUESDAY MORNING.

COASTAL FLOODING
----------------
* WITH THE FULL MOON ON MONDAY...ASTRONOMICAL TIDES ARE ALREADY
HIGHER THAN NORMAL. COUNTER TO THE HIGHER THAN NORMAL
ASTRONOMICAL TIDES...STRONG NORTH AND NORTHWESTERLY WINDS ON
MONDAY WILL CAUSE A BLOW-OUT TIDE ALONG THE WESTERN SHORE OF THE
CHESAPEAKE AND THE TIDAL POTOMAC RIVER. EAST FACING BEACHES
ALONG THE TIDAL POTOMAC WILL EXPERIENCE WIND-DRIVEN WAVES THAT
WILL GIVE THE APPEARANCE OF TIDAL FLOODING AND RESULT IN SIMILAR
IMPACTS.
* AS WINDS BECOME SOUTHWESTERLY AROUND DAWN ON TUESDAY...WATER
WILL RETURN BACK INTO THE BAY AND TIDAL POTOMAC AND BEING TO
PILE UP IN THE BAY NORTH OF POOLES ISLAND AND IN THE UPPER
REACHES OF THE TIDAL POTOMAC AND ALONG SOUTH FACING SHORES.

SNOWFALL
--------
* IN THE POTOMAC HIGHLANDS ABOVE 2500 FEET THERE IS THE POTENTIAL
FOR HEAVY WET SNOW.
* THE COMBINATION OF STRONG WIND AND HEAVY WET SNOW WOULD DOWN
TREE LIMBS AND POWER LINES. NEAR BLIZZARD CONDITIONS ARE FORECAST
WITH VISIBILITY NEAR ZERO IN PERIODS OF HEAVY SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS
----------------------------------
* BE PREPARED FOR EXTENDED POWER AND COMMUNICATIONS OUTAGES.
* IF YOU LIVE NEAR LARGE TREES...REMAIN IN THE LOWER LEVEL OF YOUR
HOME OR SEEK SHELTER ELSEWHERE IF POSSIBLE AND RIDE SANDY OUT.
* REFRAIN FROM ANY UNNECESSARY TRAVEL.
* ENSURE LOOSE ITEMS ON YOUR PROPERTY ARE SECURED.
* IF POWER LINES ARE DOWN...STAY AWAY FROM THEM AND REPORT IT TO YOUR
LOCAL ELECTRICAL UTILITY COMPANY.
* IF YOU SHOULD HAVE EMERGENCY TRAVEL...IF YOU COME UPON FLOODED
ROADWAYS DO NOT ATTEMPT TO CROSS SUBMERGED ROADWAYS. TURN AROUND
AND DONT DROWN.
* IF YOU USE A PORTABLE POWER GENERATOR...PLEASE FOLLOW
MANUFACTURERS INSTRUCTIONS AND ENSURE THAT IT IS PROPERLY
VENTILATED.
* DO NOT USE CHARCOAL GRILLS IN ENCLOSED AREAS.
* MARINERS SHOULD ENSURE THAT THERE IS ENOUGH SLACK LINE IN THEIR
BOAT`S MOORINGS TO ACCEPT A BLOW OUT TIDE ON MONDAY AND MONDAY
NIGHT.
* PERIODICALLY CHECK ON YOUR ELDERLY NEIGHBORS AND FAMILY MEMBERS
TO ENSURE THEY ARE SAFE.
* PEOPLE SHOULD HAVE ALREADY HAVE FILLED THEIR PRESCRIPTIONS AND
HAVE A FULL TANK OF GAS. IF NOT THESE PREPARATIONS SHOULD BE
RUSHED TO COMPLETION THIS SUNDAY EVENING.

FOR ADDITIONAL PRECAUTIONARY AND PREPAREDNESS INFORMATION...
PLEASE REFER TO THE DETAILED RECOMMENDATIONS RELATIVE TO YOUR
LOCATION AS FURTHER DESCRIBED BY YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE AND LOCAL EMERGENCY MANAGEMENT.

&&

.NEXT UPDATE...
THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE BALTIMORE/WASHINGTON WEATHER FORECAST OFFICE AT 11 PM EDT OR
SOONER IF CONDITIONS WARRANT.

$$


LEE