National Weather Service United States Department of Commerce

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. 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.