tweet_text: MPD 0261 SE #PENNSYLVANIA, N #DELAWARE INTO #MARYLAND, #DC &amp; CNTRL/E #VIRGINIA FLASH FLOODING POSSIBLE VALID TIL 0510 AM EDT ADDITIONAL FLASH FLOODING WILL BE POSSIBLE OVER THE NEXT FEW HOURS. AN ADDITIONAL 2-4 IN WILL BE POSSIBLE ON TOP OF SATURATED SOILS