Friday, February 13, 2009

Rain vs. Snow

I was just looking at the various traffic cams on I-80 and this morning you can get a real sense of just how the 'Rain Shadow Effect' works. Before the summit at Donner Pass and just below, it's storming big time! It's a blizzard… but just a few miles to the east, as I-80 descends (Floriston) into the Truckee Meadows, the snow is minimal. All of that eastbound moisture laden air is blasted by high winds past the summit and won't descend until it's past Reno… maybe Fernley will get some snow.

Rain shadow

Cal Trans

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