Severe weather alert center
Every alert below is an official product of the issuing agency, shown with its original classification. WeatherSignal adds a deterministic priority score so the most urgent items sort first: it never changes the meaning of the official warning.
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Alert coverage is currently limited to the United States (NOAA / National Weather Service, public domain). If the alert source is unreachable, alert data may be delayed: the freshness stamp above always shows when WeatherSignal last confirmed it. Never rely solely on WeatherSignal during an emergency; follow instructions from official authorities.