Severe Weather Tools

Accessible forecast maps, narrated Storm Prediction Center outlooks, and a searchable severe-events database — helping storm chasers, researchers, and visually impaired users prepare for and understand severe weather.

Research past severe weather events

Explore yearly summaries and detailed event pages in the database.

Forecast Maps

Severe-weather prediction maps using color-blind–friendly palettes — designed for storm chasers.

NAM 2/20 18Z Forecast (00Z Run)
Surface Based CAPE

Surface Based CAPE

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NAM 2/20 18Z Forecast (00Z Run)
500mb (Height, Wind, Temp, Barbs)

500mb (Height, Wind, Temp, Barbs)

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Latest Narrated Videos

Storm Prediction Center outlook text paired with risk-category graphics, narrated for users with visual impairments.

Day 1 Convective Outlook

10AM Day 1 Convective Outlook for Friday, February 20.

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Day 2 Convective Outlook

11AM Day 2 Convective Outlook for Saturday, February 21.

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Day 3 Convective Outlook

1PM Day 3 Convective Outlook for Sunday, February 22.

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Drought Monitor

U.S. Drought Monitor 2/19.

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