When a probability of >10" of rain in 48 hours even shows up in NCAR ensembles, you know you've got a big flash flood threat (DC area) pic.twitter.com/du2Tw8kMIC— Eric Fisher (@ericfisher) September 28, 2016
When a probability of >10" of rain in 48 hours even shows up in NCAR ensembles, you know you've got a big flash flood threat (DC area) pic.twitter.com/du2Tw8kMIC