National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat and Fire Weather Concerns in the West

Scattered strong to severe thunderstorms and heavy rainfall will continue through tonight across the Mid-Atlantic, with heavy rainfall, flooding and severe winds as the primary threats. Heat will continue through Thursday over the Southwest, with Extreme Heat Warnings in effect. Fire weather concerns continue in the Four Corners Region on Thursday. Read More >

 

Water Vapor Satellite Loop from 345 pm est to 700 pm est August 8th, 2005

 

 
Frame Controls

Step Frame:
 
Loop Mode:
 
 
Loop Speed:
 
Frame Dwell
First / Last:
/  
 
Frame No:  
image

 

Description:

 

Note the cyclonic spin aloft over northeast Illinois and northwest Indiana. This shortwave trough provided sufficient upward forcing for unstable surface parcels to freely convect across northern Indiana.