Alert archive

Weather alerts in the United States, 2004

35,263 weather alerts in 2004, from the National Weather Service and the Storm Prediction Center. Each alert counts once, however many counties it covered.

Weather alerts by state

Each state shaded by its count. Tap a state for its own archive.

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Alerts
35,263
Warnings
31,753
Watches
922
Advisories
0
Busiest month
May7,857 alerts
Busiest day
May 30, 2004701 alerts

Over time

By month

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

ProductAlerts
Severe storms
Severe Thunderstorm Warning20,001
Tornado Warning3,600
Severe Thunderstorm Watch614
Tornado Watch308
Mesoscale Discussion2,588
Flooding
Flash Flood Warning4,749
Marine
Special Marine Warning3,403

By state

Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.

14 more states

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 30, 2004701alerts
  2. May 31, 2004633alerts
  3. July 14, 2004531alerts
  4. May 21, 2004526alerts
  5. June 12, 2004488alerts
  6. July 6, 2004487alerts
  7. June 2, 2004485alerts
  8. May 23, 2004482alerts
  9. May 24, 2004482alerts
  10. November 24, 2004478alerts
  11. May 22, 2004445alerts
  12. May 25, 2004412alerts
  13. May 27, 2004401alerts
  14. June 13, 2004397alerts
  15. July 7, 2004371alerts

Nearby

Alerts in force nowThe tornado archiveThe radar archive20032005

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.