Gravity Waves stole my heart!
Monday, 24. August 2009, 23:06:15
NASA satellite image of a gravity wave cloud pattern formed in the wake of the Île Amsterdam, a volcanic island in the southern Indian Ocean.
They are waves, not in the sea but in the sky:
In fluid dynamics, gravity waves are waves generated in a fluid medium or at the interface between two media (e.g. the atmosphere and the ocean) which has the restoring force of gravity or buoyancy.
http://en.wikipedia.org/wiki/Gravity_wave
a. Lapse of gravity wave action from the Tama, Iowa KCCI-TV webcam on 6 May 2007.
http://www.youtube.com/watch?v=yXnkzeCU3bE
b. Vicenza 24 september 2007 wave clouds over vicenza, 1 hour time lapse footage.




![operatips Preparing the next yummy Opera tip! :] operatips photo](http://static03.myopera.com/upic/pool1/Mb/DK2/ik4JDiffUGjSX8zrXHlalk/3572375_m.jpg)










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Linda # 24. August 2009, 23:07
Angeliki # 24. August 2009, 23:15
Gosh I forgot all about those!
Jurjen # 24. August 2009, 23:25
But very cool!
scott cumming # 25. August 2009, 00:39
sometimes the clouds look like a herd of buffalo. i love what they call a 'mackerel' sky.
dbshadow(Deacon Blue) # 25. August 2009, 00:44
Léazz # 25. August 2009, 00:55
Olatunji joseph # 25. August 2009, 01:05
PainterWoman # 25. August 2009, 01:06
Olatunji joseph # 25. August 2009, 01:07
Tamil # 25. August 2009, 01:17
http://apod.nasa.gov/apod/ap090824.html
starree # 25. August 2009, 01:56
Carol # 25. August 2009, 01:57
The videos are not loading on your page so I double clicked them and went to YouTube but they are not loading very good on there either.
Did you see this one Angeliki?
http://www.youtube.com/watch?v=2Wu9-O8UaR0&feature=fvw
Angeliki # 25. August 2009, 02:43
Originally posted by jekav:
yes it is! I hope you follow the link,
it is worth learning
Angeliki # 25. August 2009, 02:45
Originally posted by I_ArtMan:
I loved it too meli
I am so glad you did enjoy it
scott cumming # 25. August 2009, 02:45
amazing picture... love to see that from the ground at sunset.
Angeliki # 25. August 2009, 02:48
Originally posted by dbshadow:
oh the stories I have to share on this one!
the more travels the more stories:
http://my.opera.com/ellinidata/blog/countries-u-s-states-i-receivedi-visited
Angeliki # 25. August 2009, 02:49
Originally posted by BabyJay99:
yes it is! nature is the biggest artist ever!
Angeliki # 25. August 2009, 02:50
Originally posted by Jounited:
thanks for your comment
Angeliki # 25. August 2009, 02:51
Originally posted by PainterWoman:
many shapes up in the sky and imagination can play many tricks... feel free to follow the link to wiki, it is very cool info
Angeliki # 25. August 2009, 02:52
Angeliki # 25. August 2009, 02:53
I will never see the sky the same way again!
Angeliki # 25. August 2009, 02:54
"the morning glory" is so cool!
3 Minutes on The Wave it a Video that I will most probably post one day again! (when all forget this one !
Darko # 25. August 2009, 04:21
Allan # 25. August 2009, 04:41
Katya # 25. August 2009, 05:06
Linda # 25. August 2009, 06:17
Originally posted by ellinidata:
That looks amazing. Wonder what caused it?
Léazz # 25. August 2009, 13:39
Carol # 25. August 2009, 18:43
Scott, it's me Carol. You like the video or Tamils photo?
Angeliki # 25. August 2009, 19:01
Originally posted by gdare:
that was give to me by Tamil,
follow his link it is fascinating
Angeliki # 25. August 2009, 19:02
Originally posted by ricewood:
Angeliki # 25. August 2009, 19:03
Originally posted by izumochka:
nice to see you here Katya,
I know the artist in you would have appreciated!
sponge bob can be the best!
Angeliki # 25. August 2009, 19:05
Originally posted by L2D2:
Linda this is what Nasa said:
Explanation: What causes these long, strange clouds? No one is sure. A rare type of cloud known as a Morning Glory cloud can stretch 1,000 kilometers long and occur at altitudes up to two kilometers high. Although similar roll clouds have been seen at specific places across the world, the ones over Burketown, Queensland Australia occur predictably every spring. Long, horizontal, circulating tubes of air might form when flowing, moist, cooling air encounters an inversion layer, an atmospheric layer where air temperature atypically increases with height. These tubes and surrounding air could cause dangerous turbulence for airplanes when clear. Morning Glory clouds can reportedly achieve an airspeed of 60 kilometers per hour over a surface with little discernible wind. Pictured above, photographer Mick Petroff photographed some Morning Glory clouds from his airplane near the Gulf of Carpentaria, Australia.
Angeliki # 25. August 2009, 19:06
Angeliki # 25. August 2009, 19:06
Originally posted by Dacotah:
and I am sharing it on an email with some geek friends
Carol # 25. August 2009, 19:58
Angeliki # 25. August 2009, 20:00
I nn to check my subscriptions today...if you posted and I did not show up ,I apologize in advance! again I have a feeling I am not getting alerts from many friends
Carol # 25. August 2009, 20:18
Thinking of doing one in a bit.
Edward Piercy # 25. August 2009, 23:21
(Fascinating stuff. Never knew any of it, but it makes sense.)
Linda # 25. August 2009, 23:35
Edward Piercy # 25. August 2009, 23:39
Which also makes it impossible to predict weather more than 48 hours in advance. So all those 7-day forcasts you hear them give on the local news? -- pure bullshit.
Linda # 25. August 2009, 23:50
Carol # 25. August 2009, 23:59
Edward Piercy # 26. August 2009, 00:49
That's how I do it. Well, I use a window actually.
@ Carol
That Stoli is heavy wave-makin stuff, I'll tell ya!
Charles Schloss # 26. August 2009, 01:12
Angeliki # 26. August 2009, 01:12
Originally posted by Dacotah:
lovely pictures!
Angeliki # 26. August 2009, 01:15
Originally posted by edwardpiercy:
Angeliki # 26. August 2009, 01:16
Originally posted by edwardpiercy:
absolutely accurate!
Angeliki # 26. August 2009, 01:18
Originally posted by Chas4:
Charles Schloss # 26. August 2009, 01:32
Angeliki # 26. August 2009, 01:35
Originally posted by Chas4: