Sunday, December 13, 2009

Snow accumulations on the way

After a couple days break from our last winter storm, it appears that our next snow maker is on its way. Radar image below at around 5:30pm already shows snow developing out to our west. HPC still has our area in a low risk of 4 inch snows, with a slightly higher risk just to the north of Eau Claire. Areas circled in blue are low risk (10%), green are moderate risk (40%), and red are high (70%). 18z GFS shows close to .3 inches of liquid, and higher snow ratios (close to 15:1) would put out around 4.5 inches of snow. However, snow may be slow to reach the ground with some drier air in place, so I think totals around 4 inches is possible...with 3-5 around the area. Winter Weather Advisories will remain in effect through the night tonight, and into the first part of our Monday. Areas shaded in purple are under the advisory. Cold air looks to be behind this system, so single digit highs are likely on Wednesday. Temps moderate again towards the end of the week, before perhaps another shot of cold air makes it down from Canada. Let the roller coaster ride continue.

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