Spring To Winter

Through the first 14 days of January 2007 temperatures at BWI-Marshall Airport are averaging 13.4F above normal. The average temperature for the month so far is 45.8F, which, if the month ended today, would be good enough for third warmest all-time, just behind the Januarys of 1932 (47.4F) and 1950 (46.9F). But, spring in January is about to come to an end.

An arctic cold front is creeping slowly closer to Maryland and should slide through the Baltimore area just after midnight tonight. As of 7am Monday morning the front had dropped south through much of New England and was about to move through Boston. It was raining and 38F at Boston, but snowing with the temperature down to 18F at Saranac Lake, NY. Winter was moving south through the great lakes region as well with freezing rain and 32F in Detroit, while Cleveland was holding onto rain and 52F. The core of the bitterly cold air was entering the upper Midwest with Devil’s Lake, ND down to -24F and Hallock, MN, in the northwest corner of that state, a bone chilling -27F as of 7am e.s.t. The front will bring a chance of showers to the mid Atlantic states today with the rain changing to snow showers in the mountains after the front passes late tonight.

Here in the Baltimore area we could see temperatures slowly falling for an entire 24 hour time period. When the front moves through between 1am and 4am Tuesday, temperatures will likely be in the 50s but begin to fall slowly through the 40s during the morning, dropping into the 30s by late Tuesday afternoon, then settling through the 20s Tuesday evening and finally bottoming out in the teens Wednesday morning. Better find that long lost winter coat…fast!

Tom Tasselmyer

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