2007-02-21 09:01:53 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Weather
yes
2007-02-21 09:05:53 · answer #1 · answered by asgspifs 7 · 0⤊ 0⤋
Yes, indeed they are and they are formed by standing waves in the wind flowing over mountain ranges. They are curved and look a little bit like a convex lens. They are a very good sign of mountain wave turbulence.
2007-02-21 17:26:12 · answer #2 · answered by 1ofSelby's 6 · 1⤊ 0⤋
Yes. They are usually caused by mountain waves and are quite common over Mt Rainier here in the Pacific Northwest.
2007-02-21 17:06:12 · answer #3 · answered by Flyboy 6 · 0⤊ 0⤋
Yes they are. They can produce some remarkable shapes and some of them have been called alien spacecraft before now.
2007-02-21 22:32:27 · answer #4 · answered by tentofield 7 · 0⤊ 0⤋
Yup.
2007-02-22 05:01:39 · answer #5 · answered by ZORCH 6 · 0⤊ 0⤋