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A p.m. t-storm possible
A thunderstorm in the area
Humid with rain and a t-storm
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of sunlight, then sets at
of moolight, then sets at
The risk of severe thunderstorms and flash flooding will ramp up quickly for the start of the new week. more >
Dec 20, 2012; 5:00 AM ET
The 540 line is often used by meteorologists to determine the chances of rain vs. snow.