Dalfy Posted November 21, 2011 Share Posted November 21, 2011 Check the video out, what would you make of it? Link to comment Share on other sites More sharing options...
turtlehurricane Posted November 21, 2011 Share Posted November 21, 2011 Roll cloud, from air rising and curling up on the front edge of a density current. Link to comment Share on other sites More sharing options...
WxFreak11 Posted November 21, 2011 Share Posted November 21, 2011 Roll cloud, from air rising and curling up on the front edge of a density current. Is this uncommon? That is just amazing to see! Link to comment Share on other sites More sharing options...
LocoAko Posted November 21, 2011 Share Posted November 21, 2011 Is this uncommon? That is just amazing to see! I don't think they're that uncommon. I also believe I read that they're more common in Australia? Not sure on that. Link to comment Share on other sites More sharing options...
bobbutts Posted November 21, 2011 Share Posted November 21, 2011 Wikipedia: Roll cloud A roll cloud in Uruguay. A roll cloud is a low, horizontal, tube-shaped, and relatively rare type of arcus cloud. They differ from shelf clouds by being completely detached from other cloud features. Roll clouds usually appear to be "rolling" about a horizontal axis. They are a solitary wave called a soliton, which is a wave that has a single crest and moves without changing speed or shape. One of the most famous frequent occurrences is the Morning Glory cloud in Queensland, Australia. One of the main causes of the Morning Glory cloud is themesoscale circulation associated with sea breezes that develop over the Cape York peninsula and the Gulf of Carpentaria. However, similar features can be created bydowndrafts from thunderstorms and are not exclusively associated with coastal regions. Coastal roll clouds have been seen over California, the English Channel, Shetland Islands, Lithuania, Eastern Russia, other maritime regions of Australia, off the Mexican coast in the Sea of Cortez, Uruguay, in the Canadian provinces of Nova Scotia and Ontario, and Campos dos Goytacazes and Coronel Vivida bay in Brazil. Link to comment Share on other sites More sharing options...
OKpowdah Posted November 21, 2011 Share Posted November 21, 2011 Yeah looks like the "morning glory" that is most common in Australia Link to comment Share on other sites More sharing options...
Bob Chill Posted November 21, 2011 Share Posted November 21, 2011 Looks pretty tasty. Is there jelly inside? Link to comment Share on other sites More sharing options...
Stormtracker81 Posted November 21, 2011 Share Posted November 21, 2011 Caught a picture of one here in rochester ny , a couple of summers ago Link to comment Share on other sites More sharing options...
Calderon Posted November 21, 2011 Share Posted November 21, 2011 that just looks like a band of cumulus. On the main video, I love how morons are claiming HAARP and stuff like that. Link to comment Share on other sites More sharing options...
Drz1111 Posted November 21, 2011 Share Posted November 21, 2011 I saw a beautiful, textbook roll cloud in on the coast of MA just south of Boston 2 summers ago. Totally detached from its parent storm - it was nothing but fair skies before and after. Link to comment Share on other sites More sharing options...
JoMo Posted November 22, 2011 Share Posted November 22, 2011 We had a roll cloud with severe T-storms this summer a few weeks after the tornado. Lots of people were pretty freaked out. Link to comment Share on other sites More sharing options...
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