tweet_text: At 5:00 PM EDT, 1 SE Dahlgren [King George Co, VA] MESONET reports COASTAL FLOOD. THE TIDE GAUGE ON UPPER MACHODOC CREEK AT DAHLGREN EXCEEDED MINOR FLOOD STAGE OF 3.5 FEET AT 5:00 PM. IT CRESTED AT 3.9 FEET AT 7:00 PM. AT THIS LEVEL, WATER REACHES YAR