奇怪的雲 4 U8 r- ^5 o, y4 Z' x9 F7 X有見過此物？ , y* |$ j3 a3 v; V9 [Ever see anything like this?" f. e( z! w2 |1 S) T/ T
" E% i1 e# p# y# ~; @* QFrom : Jorn Olsen works for the Dutton-Lainson Co. 2 H% J+ D1 i' OLocation : in Hastings, Nebraska, and lives by Heartwell Park next to Hastings College. & t# p8 q; _7 R4 d4 m! S3 |
! W9 x6 j4 |- T" L! SThe other night he took these photos . The stadium lights are at the Hastings College stadium just east of his home. 4 L3 y/ z( F; Z% b + p* i8 R( ]& O& b& {3 y5 \( {Form : The clouds are called Mammatus clouds 巨大的雲They do not precede a tornado, or foretell a storm, but are formed when the air is already saturated with rain droplets and/or ice crystals and begins to sink. The worst of the storm is usually over when these kinds of clouds are seen. * k( @3 W7 Z& |! }' O. b- C/ I6 M }
They are quite rare, but really beautiful. : p/ U( S" \/ a$ s% ?9 @- b( g2 }4 ~/ w/ Q( m 1 ^3 j! F0 P' I- | 5 t- L9 n# U6 Q6 q$ G5 d8 q$ `0 A* F6 o7 c ) q- l9 i; p6 ]" Q' r# L H) i1 ]0 U- A4 `9 h" o5 l1 |
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