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March 7, 2011

Sunshine until rain returns late Wednesday

Noticed a few cars during the commute this morning that had some snow on their hoods and roofs. We had only a sprinkle of flakes, or sleet, on the WeatherDeck. But some locations across Maryland really did get measurable snow overnight as the rainstorm pulled away and dragged some very cold air down from the north behind it.

New England snowstormThe National Weather Service is reporting 2.5 inches on Frostburg, Md. The highest totals were in West Virginia, topped by 6.7 inches on Bayard, Grant County. None of that, of course, compares with the foot or more from the same storm system, recorded this morning in portions of northern New England and northeastern Canada (AccuWeather.com map, left; depths in centimeters).

Around here it was just rain, falling, it seemed, in a series of heavy showers, interspersed with drizzle. As predicted, the amounts were typically in the 1-to-2-inch range. But some locations in Harford and Montgomery counties topped 2 inches. Here's a sampling:

Gaithersburg, Montgomery County:  2.38 inches

Somerset, Montgomery County:  2.3 inches

Darlington, Harford County:  2.25 inches

Emmittsburg, Frederick County:  2.0 inches

Glen Burnie, Anne Arundel:  2.0 inches

Reisterstown, Baltimore County:  1.35 inches

Pimlico, Baltimore City:  1.25 inches

Here are some more rain totals from the CoCoRaHS Network. There is a Flood Watch up this morning for the Monacacy River in Frederick County as the heavy weekend rains continue to drain off. Only minor flooding is being reported. 

If you liked Sunday, you'll probably like Thursday, too. That's when forecasters expect the nextBulbs rainy cold front to pass through Central Maryland. We'll have sunshine and seasonable temperatures until then. And look for more gusty weather today.

But by Wednesday, a storm brewing in the Great Plains will begin to influence our weather. Like the weekend storm, this one will begin by dragging more warm, moist air up from the Gulf in the broad, counter-clockwise flow around the low. That will increase our cloud deck on Wednesday and raise our rain chances during the afternoon.

During the overnight period from Wednesday into Thursday, the forecast boosts the predictions to "moderate rain." But, like we saw on Sunday, that comes with some periods of heavy rain, as well. More stream flooding is possible.

The cold front finally moves through the area sometime on Thursday, followed by a rush of cold air out of the northwest - around the backside of the low. Once again, as we saw this morning, that could mean some snow in the mountains into Friday morning.

The weekend, at least, looks sunny and mild for the moment, with highs in the 50s.

(SUN PHOTO: Frank Roylance)

Posted by Frank Roylance at 11:26 AM | | Comments (0)
Categories: Forecasts
        

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About Frank Roylance
This site is the Maryland Weather archive. The current Maryland Weather blog can be found here.
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. Frank also answers readers’ weather queries for the newspaper and the blog. Frank Roylance retired in October 2011. Maryland Weather is now being updated by members of The Baltimore Sun staff
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