* Watching a severe thunderstorm And Flood watch For the capital region until this evening *
Afternoon Update: Severe thunderstorms with flooding and damaging winds are possible tonight
Update at 4 p.m.: Multiple rain and storms touched down in the Capital Region this afternoon, continuing to move from south to north with pockets of heavy rain, lightning, and some strong winds and hail. Several storms led to severe thunderstorm warnings being issued due to the risk of damaging winds and hail, while a flash flood warning was issued in two areas.
4:05 p.m.: Multiple warnings are in effect across parts of the region. Yellow boxes are severe thunderstorm warnings, where damaging wind gusts and hail are possible. Green squares are flash flood warnings. Pockets of heavy rain and lightning inside and outside warning boxes. pic.twitter.com/Cwn5d4gjqg
— Capital Weather Gang (@capitalweather) September 9, 2023
Severe thunderstorms with heavy rain are a concern tonight and later tomorrow. A severe thunderstorm condition will be in effect until 11pm for the entire area. A flood watch is in effect until midnight for D.C., Arlington, Alexandria, Baltimore and the following counties: Montgomery, Howard, Fairfax, Prince William, Anne Arundel, Baltimore, southeast Loudoun and most of Prince George’s County. Some storms today may also contain damaging wind gusts and hail.
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During this night: Scattered rain and storms are possible, accompanied by heavy rain and lightning at times. Some cold is also possible. Storms may become fewer in number after 8pm or so, but the timing is not very reliable. Another concentrated shield of the storm could then move in overnight into the early morning hours. Low temperatures in the humid upper will fall into the 60s to low 70s, with patchy fog possible.
an offer Current weather In the Washington Post.
tomorrow is Sunday): Frequent rainfall and scattered storms are likely. The threat of strong winds or hail appears to be less, but some storms may lead to heavy rain and flooding. Mostly cloudy skies will keep our high temperatures in the low to mid 80s, but it will still be humid. Storms and heavy or missing rain may continue into the evening before diminishing overnight. Humid low temperatures will again drop into the upper 60s and lower 70s.
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Strong to severe storms in the next two days, characterized by heavy rainfall
Heavy rain is a common threat among the potential for severe thunderstorms today and tomorrow. See graphic below from the Weather Prediction Center. Yellow shading indicates the potential for heavy rain in our area.
Storms late this afternoon and into tonight have, overall, a “marginal” chance of turning intense (upper left panel, below). Two additional potential threats are for damaging wind gusts in excess of 57 mph (lower right panel) and for a few large hailstones reported in the area (lower left panel). For technical accuracy, keep in mind that we may only see one severe weather event within a 25-mile radius of any location in the cold or wind color shade.
Fortunately, the extreme chances are generally lower for tomorrow than today.
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