Wednesday, November 7, 2012

Looking Ahead: Tornadoes, Blizzard, Needed Moisture

The weather pattern is changing across the U.S. and the just-begun Nor'Easter should be the last of the major storms in the East for a while.

Let's start with total precipitation (rain + snow/ice melted) for the next five days:
click to enlarge
The moisture is badly needed in many parts of the U.S. as the map below, demonstrates.
Here is the probability of two inches or more of snow accumulating with the Nor'Easter. Scale with maps below.


A blizzard is likely over the northern Plains and southwest Canadian Prairies beginning later today. This first map is the probability of two inches or more accumulation.

The second map (below) is the probability of eight inches or more of accumulation:


And, as if all of this wasn't enough, the map below indicates where severe thunderstorms and tornadoes are possible Saturday.

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