National Weather Service (NWS) generally uses a three-tiered approach, consisting of outlooks, watches, and warnings.
There is a distinct difference between the two ... issued by the National Oceanic and Atmospheric Administration's Storm Prediction Center, or SPC, hours ahead of a storm system.
A Winter Storm Warning is based on snow amounts. In the mountains, this means eight inches of snow in 12 hours or a foot of snow or more in a day. For the plains, it means six inches of snow in 12 ...
What's the difference between a winter storm watch, an advisory and a warning? And can they mean different things for different parts of Indiana?
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