Wednesday, January 11, 2012

Tracking the NAM

Over the next 24-36 hours, the NAM usually performs at its best during this time period. The NAM has intensified the expected squalls for the next day or so. While not a knock out winter storm, the setup will be similar to the last squally episode that brought much travel headaches to the region.

I'm sure all NWS offices will be on heightened alert as these vigorous snow showers/squalls impact the region. Again, I'm going to emphasize that accidents are bound to happen even if advisories are in place or not. However, I think if road crews are not out and about pre-treating area roadways, this may only add to drivers' frustrations.

Accumulations are expected to be light overall; however, some 2" amounts are possible in scattered locations, as some snow squalls may prove to be a bit more robust. Winds are going to be blustery with wind chills falling perhaps below 10 degrees at times.

****Although the NAM merely posts where the most moisture will be available, it's still quite difficult to pinpoint snowfall amounts by nature of the convective type of snow squalls we'll be dealing with. I expect most accidents to occur as nightfall sets in; however, visibilities will be an issue perhaps even during the rush hour. Slow it down out there.****

MS

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