National Weather Service United States Department of Commerce

Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Graphical HWO - Activation Necessity

This graphic specifies whether activation of storm spotters and emergency management personnel will be necessary during the period. It is designed to match the last statement in the standard text hazardous weather outlook product.

Activation Necessity
Click the graphic to return to the graphical HWO page.

 
Activation of storm spotters and EMA's is...
...not anticipated.
...possible.
...likely.
...requested or ongoing.