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Afternoon Update

Steve Scolnik @ 3:50 PM

A stalled front through northern Virginia and southern Maryland is bringing heavy clouds and some showers to the Washington metro area this afternoon. Near 4pm, the heaviest nearby rain was along Route 50 from near the Capital Beltway eastward across the Chesapeake Bay Bridge. Further west, a smaller cell was brining heavy rain to Dulles and intensifying as it moved southeast into western Fairfax County.

Temperatures, which had been mainly in the upper 70s all day, reached 81 at National at 3pm. South of the front, as near as Stafford, the temperature was 90.


For tonight, cloudy skies with intermittent showers and possible thunderstorms will continue; lows will be in the low 70s. Some rainfall amounts may be locally heavy. A shift to a more northerly wind direction tomorrow will bring decreased cloudiness and high temperatures in the mid 80s.

Irrepressible Irene

Hurricane Irene continues to maintain intensity. It reached Category 2 with 100 mph maximum sustained winds at 5pm. It has a well-defined 20-mile diameter eye as it moves eastward away from North America.

What had been Tropical Depression 10 is now a weak low pressure area. Its environment is expected to become more favorable for redevelopment in the next couple of days.

Another weak low pressure area bears watching as it emerges off the African coast.

WeatherBug Goes Digital

WeatherBug has just announced a new version of their subscription service, WeatherBug Plus 6.1. The new version includes forecasts from the National Weather Service National Digital Forecast Database (NDFD). NDFD is a 3-mile resolution data grid based on numerical model output and adjusted by meteorologists at 122 NWS Weather Forecast Offices to reflect local conditions. Forecasts are available at 1-hour intervals.

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