National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Overview

A powerful upper level storm system slowly moved across the plains, leading to several rounds of severe thunderstorms and very heavy rain across the Tri-State area (Figure 1 and 2). This systems slow movement allowed for multiple rounds of thunderstorms leading to numerous locations receiving several inches of rain, resulting in widespread flooding (Figure 3).  Numerous severe thunderstorms occurred each day, with very large hail and damaging winds prevailing on May 10th and numerous tornadoes on May 11th (Figure 4 and 5).

 

6 AM MDT May 10 2022 500mb Heights/Winds   6 AM MDT May 11 2022 500mb Heights/Winds
Radar estimates. refer to local observations for exact amounts.
Estimated Rainfall from Radar May 10th Storm Reports
May 11th Storm Reports

 

Downloadable KMZ File for all tornado and wind data for this event here!

 

nws logo Media use of NWS Web News Stories is encouraged!
Please acknowledge the NWS as the source of any news information accessed from this site.
nws logo