Nov 9, 2026
The National Weather Service renamed its Excessive Heat alerts in March 2025, and each local office sets its own heat thresholds. Here is what the current heat alerts mean and how the HeatRisk scale fits in.
Nov 9, 2026
The National Weather Service separates sudden flash floods from slower river flooding, and only some flash flood warnings reach your phone. Here is how the flood alerts differ and what the NWS advises.
Nov 9, 2026
Watches come from the Storm Prediction Center, warnings from your local National Weather Service office. Here is how the tornado alert levels stack up, from a routine watch to a tornado emergency.
Nov 9, 2026
Winter storm, blizzard, ice storm, snow squall and the cold alerts the National Weather Service renamed in 2024: what each one means, with real criteria from local NWS offices.
Nov 9, 2026
The National Weather Service uses the same three words for tornadoes, floods, snow, heat and cold. Here is what each level means, who issues it and where to see the alerts in effect for your area.
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