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!

Severe Thunderstorms Possible Thursday, Torrential Rain & Flooding Possible Friday

The image below shows radar estimates of the amount of rain that has fallen across the Washington Region during the past seven days. An area of low pressure will approach … Continue reading Severe Thunderstorms Possible Thursday, Torrential Rain & Flooding Possible Friday

Be Prepared for Possible Widespread Damaging Winds between 3PM and 11PM

The video footage above (YouTube) was filmed in Ohio during the infamous June 29, 2012 derecho that impacted the Washington Region during the evening hours. Several Mesoscale Convective Systems (MCS) … Continue reading Be Prepared for Possible Widespread Damaging Winds between 3PM and 11PM