RT @NWS_BaltWash: An indirect effect of Dorian is yet to come. Water built up at the mouth of the Chesapeake Bay may come north as winds diminish, potentially causing moderate tidal flooding. Coastal Flood Watches are in effect for Anne Arundel, Calvert, St. Marys, DC and Arlington/Alexandria. https://t.co/aIbO4FqYnh

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