It's because the snow are formed at much higher elevation, where the temperture is lot cooler than the ground surface.
Check here for more info:
http://www.learner.org/interactives/weather/iceandsnow.html
EL
原帖由 Littleprince 於 2007-12-13 13:20 發表 
係呀﹐出面都幾大雪。。。
看來我們住得幾近播。。。
唔好笑我無知。。。LYK 的溫度話 2 度﹐點解 2 度會落雪唔係落雨呢﹖明明係零上播。。。 ... |
發表於 2007-12-13 15:32
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