Alert archive / Heat Advisories

Heat Advisories in the United States, 2012

510 heat advisories in 2012. Each alert counts once, however many counties it covered. The archive of heat advisories reaches back to 2005.

Heat Advisories by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Heat Advisories
510
Busiest month
July295 heat advisories
Busiest day
June 28, 201224 heat advisories

Over time

By month

By state

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

2 more states

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 28, 201224heat advisories
  2. July 17, 201223heat advisories
  3. June 29, 201222heat advisories
  4. June 27, 201221heat advisories
  5. June 26, 201219heat advisories
  6. July 4, 201218heat advisories
  7. July 5, 201218heat advisories
  8. July 6, 201218heat advisories
  9. July 18, 201218heat advisories
  10. July 1, 201217heat advisories
  11. July 2, 201217heat advisories
  12. July 25, 201217heat advisories
  13. June 30, 201215heat advisories
  14. July 3, 201215heat advisories
  15. July 26, 201215heat advisories

Nearby

Alerts in force nowThe tornado archiveThe radar archive20112013

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.