National Weather Service United States Department of Commerce

Heavy Rain and Thunderstorms in the Mississippi Valley; Flooding Continues Along the East Coast of Florida

A cold front approaching the Mississippi Valley will bring heavy rainfall and isolated severe thunderstorms to the region. Thunderstorms will have the potential to produce isolated severe wind gusts and perhaps a brief tornado or two. Significant river flooding is forecast along the St. John’s and the Peace rivers in Florida through the end of the week as flood waters will be slow to recede. Read More >

Automatically generated image showing areas of 0-6km vertical shear.

 

Thumbnail of an automatically generated image showing areas of 0-6km vertical shear. Thumbnail of an automatically generated image showing areas of 0-6km vertical shear. Thumbnail of an automatically generated image showing areas of 0-6km vertical shear.
Hour - 1 Hour - 2 Hour -3

4 Panel Display | Animated Loop

Shear (0-6Km) 

The 0-6 km shear vector.  Values generally greater than 40 knots are supportive of supercells, although in high instability environments this can be as low as 30 knots. 

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