A Time lapse of a cloud formation on top of Mt rainier.The cap cloud (the official name is "lenticular cloud") is formed when warm, moist air runs into the surface of Mt. Rainier. The mountain's to...
A Time lapse of a cloud formation on top of Mt rainier.The cap cloud (the official name is "lenticular cloud") is formed when warm, moist air runs into the surface of Mt. Rainier. The mountain's topography forces the air upward, which cools and condenses the air -- turning it into a cloud.
As the air sinks back on the other side of the mountain, it dries out and the cloud dissipates. That's why it just hangs over the summit area.
(Although it looks like it is "hanging" over the mountain, air is continually flowing over the summit.)
Locals have used the cap cloud as a sign that rainy weather is on the way, as it usually occurs with southwesterly flow in the upper atmosphere -- a usual precedent to rainy weather. However, that's not always the case. please watch in high resolution. It looks like a cap. If you look closely you can see an almost perfect cone in the middle of the clouds over the top of the mountain. It took about 1 & 1/2 hours to get this time lapse.
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Ahoy, "09 Mates and Pirates, Did you know that lenticular clouds have been mistakened for Alien Space Craft?ONeFineDockRocker in good standing w/ the MdDS Support Site,eh?
You can get the same effect if there are updrafts and downdrafts in a cold environment, even if it's not over the mountains. They do form very commonly over large mountains, such as mount rainier though.
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which program you use to speed up?