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September 11, 2009

Rain. Finally.

Northeast radar 

Awoke this morning to the sound of rain on the WeatherDeck in Cockeysville. After more than a week of rainy forecasts and dry skies, the storm that's been loitering off the Carolinas and bluffing about a drift inland finally made a move our way overnight.

There was heavy rain - about 5 inches  since noon Thursday - in Ocean City, closer to the low's center off Delmarva overnight, and the rain finally headed our way early this morning. We've got more than 1.5 inches of new rain in the gauge on the WeatherDeck. Baltimore-Washington International Thurgood Marshall Airport had something closer to three-quarters of an inch at 7 a.m. Ditto for The Baltimore Sun's weather station at Calvert and Centre streets downtown.

Washington's Reagan National and Dulles airports have received far less rain this morning. More rain seems to be moving onto the cities to our north, including Philadelphia, where they've seen more than an inch, and Wilmington, Del., with an inch.

Here are some of the highest 24-hour rain totals from across the region:

Berlin: 5.88 inchesI-83 rain

Salisbury: 3.11 inches

Jacksonville:  2.3 inches

St. Michaels:  1.9 inches'

Cockeysville: 1.88 inches

Jarrettsville: 1.82 inches

Pasadena:  1.45 inches

Towson:  1.33 inches

Catonsville:  1.21 inches

Columbia:  0.87 inch

Crofton:  0.80 inch

Here are more tallies.

Forecasters out at Sterling say the center of the low, now off the Delaware beaches, will be drifting out of the region over the next 24 hours, That will draw much drier air our way from the southwest. It's already sunny in Harrisonburg, Va.

The northeastern portion of the state will be the last to shake free of the lingering showers and cool temperatures, while the Shenandoah Valley enjoys sunshine and highs in the 80s. Our weather should look brighter by Sunday and Monday, with sunny skies and highs in the low 80s.

(SUN PHOTO by Frank Roylance)

Posted by Frank Roylance at 7:15 AM | | Comments (2)
Categories: Events
        

Comments

Frank,

I thought this weather system proved how much of an inexact science weather can be sometimes. All week long they seemed to have a hard time getting a handle on this storm system with the forecast seeming to change several times a day. I'm pretty sure they were calling for this thing to be out of here by Friday and yet here we are today with the heaviest rain of all. Go figure.

FR: You're right. The computer models failed almost completely to predict what this slow-moving low was going to do. It is an inexact "science" because, even with supercomputers, there are just too many variables in the ocean and atmosphere to predict weather accurately more than a few days out. And sometimes they're wrong even on those times scales. A lesson in humility.

Rehoboth
Just got back from Rehoboth, since Monday the wind had increased and the tide got higher, but on THURSDAY at high tide the surf covered the beach up to the dunes, quite impressive and of couse the waves since Monday had increased in height!!

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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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