DC Area Impacts from T.D. Florence on Monday include Heavy Rainfall and Tornadoes

Track: Tropical Depression Florence should begin its turn toward the north tonight and eventually track more to the northeast on Monday.  The latest spaghetti charts below show some uncertainty in … Continue reading DC Area Impacts from T.D. Florence on Monday include Heavy Rainfall and Tornadoes

Flash Flooding & Severe Thunderstorms Possible Across Parts of the Mid-Atlantic on Monday

The last few runs of the high-resolution North American Model (NAM) continue to outline thunderstorms capable of dropping copious amounts of rain in a short period of time on Monday.  … Continue reading Flash Flooding & Severe Thunderstorms Possible Across Parts of the Mid-Atlantic on Monday

Historic Flooding Likely Across Portions of the DC Region: Turn Around Don’t Drown!

Flash Flood Watch in effect through Sunday for good reason as PWATS increase above 2.5″ this afternoon into this evening. Strong frontogenetic forcing (strong upward lift at the surface), along … Continue reading Historic Flooding Likely Across Portions of the DC Region: Turn Around Don’t Drown!

“Friday Flooding”: Widespread Thunderstorms, Some Severe Will Impact the DC Area

Latest NAM model shows widespread thunderstorms with torrential rain impacting the entire Mid-Atlantic on Friday.  Some storms may contain damaging winds, hail and isolated tornadoes can’t be ruled out.  How … Continue reading “Friday Flooding”: Widespread Thunderstorms, Some Severe Will Impact the DC Area