Saturday, October 10, 2009

First Winter Storm of the season


Well, we've been talking about it for a while now, and everything still appears to be on course. The first winter storm of the season will be developing in the Rockies, then head up in this direction, bringing with it snow where it's cold enough, and a mix where it's warm enough. First, the National Weather Service in the Twin Cities has issued a Winter Storm Watch for portions of central MN, effective from midnight Monday, until 4pm Monday. Below is a map of where the watch is in effect.



Estimated accumulations are still a bit of a problem. As mentioned previously, warm ground, timing and speed of the system, and the amount of mixing that goes on in the storm, all play crucial roles in how much snow we get. The two maps below show the HPC forecast (top), and the National Weather Service's forecast (bottom) for snow estimates. The NWS favors more north, where the HPC favors more south. Either way, the first "significant" snow of the season still appears to be on the way. Stay tuned for any further watches, warnings, or advisories that may be issued.



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