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November 21, 2008

Snow squall gets noticed, disappears

Sun Photo/Karl Merton FerronNow that's the kind of snow we like. Flakes fill the air like soap flakes in a snow globe, everybody gets a little kick out of it, but nothing sticks to the pavement.

This morning's squall dropped light to moderate snow across the I-95 corridor, the eastern Washington suburbs and in the Baltimore region before drifting off toward the bay. But for the most part the surface temperatures were too warm for anything to stick. There were a few isolated reports of an inch or so up near the Pennsylvania border.

Meanwhile, way out west, lake-effect snow continues to drop across the higher elevations. Garrett and western Allegany counties can expect 1 to 4 more inches before things taper off late today.

The low pressure system that made it all possible is moving off, too, and it will be replaced by building pressure and clearing skies as the day wears on. That will open the atmosphere for radiational cooling tonight, sending overnight lows plunging to the low 20s.

The weekend looks sunny, but there's another storm system in the cards for Monday. It's expected to develop over the Great Lakes Sunday, drawing warm air and rain showers into our region and pushing daytime highs to near 50 degrees before the next cold front arrives late on Monday. And that will usher in more snow for the mountains. Rain or snow showers might make it as far as the metro areas Monday evening.

Then it should be clear sailing into Thanksgiving Day.

Posted by Frank Roylance at 10:42 AM | | Comments (0)
Categories: Winter weather
        

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About Frank Roylance
Frank Roylance is a reporter for The Baltimore Sun. He came to Baltimore from New Bedford, Mass. in 1980 to join the old Evening Sun. He moved to the morning Sun when the papers merged in 1992, and has spent most of his time since covering science, including astronomy and the weather. One of The Baltimore Sun's first online Web logs, the Weather Blog debuted in October 2004. In June 2006 Frank also began writing comments on local weather and stargazing for The Baltimore Sun's print Weather Page.

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