Thunderstorm Outlook

Written by DCEM

Multiple times a day, the Storm Prediction Center issues a convective outlook for the United States. These outlooks show the areas at risk for severe thunderstorms for that particular forecast period. The risk for a severe thunderstorms is broken into five categories: Marginal, Slight, Enhanced, Moderate, and High. Each category is signified by a different color on the map and has a basic definition. They are:

The National Weather Service defines a severe thunderstorm as measured wind gusts to at least 58 mph, and/or hail to at least one inch in diameter, and/or a tornado. All thunderstorm categories imply lightning and the potential for flooding. Categories are also tied to the probability of a severe weather event within 25 miles of a location. 

 

 

 

Day 1 Outlook (Today)

Categorical

Tornado

Hail

Wind

Day 2 Outlook

Categorical

Tornado

Hail

Wind

Day 3 Outlook

Categorical

Probabilistic

Days 4-8

Day 4 Outlook

Day 5 Outlook

Day 6 Outlook

Day 7 Outlook

Day 8 Outlook

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