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February 19, 2013

Mid Day Winter Storm Update

by craig1

Hello everyone and good Tuesday afternoon! We are still tracking a major winter storm to hit the Great Plains with significant snowfall and blowing and drifting snowfall. The models have overall downtrended in the strength of the QPF field since last Friday and have actually move a tad south with the low pressure giving more locations in Kansas some snow as well but overall it has remained consistent.  The GFS has remained the weakest with the storm totals while the NAM continues to be advertising more snowfall then the GFS. Let’s take a look at the GFS snowfall;

gfssnow

Has a large area of 12 inches of snow across Nebraska and Kansas with 12-14 inches across North Central Kansas. This seems to be the overall rule with all models.

NAM snowfall;

namsnow

The NAM is more expansive with the snow totals and even has the 12+ extending into eastern Nebraska and western Iowa. One thing we know for sure the NAM and GFS agree that the heaviest will fall in north central Kansas and south central Nebraska.

Here is my updated map;

snows2

My accumulation map will be updated tomorrow night just ahead of the storm! Stay tuned!

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