#BREAKING: In a rare move, the National Weather Service has upgraded parts of our region to an EXTREME THREAT (Level 4 of 4) of flash flooding. This means that widespread flooding is LIKELY due to heavy rain from #Isaias. Take all warnings seriously and stay aware. pic.twitter.com/HuvIFiXSAb
— Forecaster John (@jb_weather) August 4, 2020
from Twitter https://twitter.com/midatlanticwx