Squall line will deliver 1-2″ of heavy rain Sunday evening

A powerful cold front will push through the Washington Area on Sunday evening. A Squall Line (strong line of thunderstorms with very heavy rain and gusty winds) will likely be … Continue reading Squall line will deliver 1-2″ of heavy rain Sunday evening

Widespread Damaging Wind Threat Begins Friday; Window of Opportunity for Snow Remains Open

Damaging wind gusts between 50 and 65 mph are likely area-wide on Friday as a powerful Nor’easter rapidly deepens off of the Mid-Atlantic coastline. – Snow flurries are possible on … Continue reading Widespread Damaging Wind Threat Begins Friday; Window of Opportunity for Snow Remains Open

Squall Line could deliver threat of damaging wind gusts this Evening

A cold front accompanied by a squall line will approach the Washington Region late this evening.  Damaging wind gusts are possible, especially just south and west of the Washington Region … Continue reading Squall Line could deliver threat of damaging wind gusts this Evening

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!