Alert archive / Excessive Heat Watches

Excessive Heat Watches in the United States, 2010

70 excessive heat watches in 2010. Each alert counts once, however many counties it covered. The archive of excessive heat watches reaches back to 2005.

Excessive Heat Watches by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Excessive Heat Watches
70
Busiest month
August34 excessive heat watches
Busiest day
August 6, 20109 excessive heat watches

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.

The busiest days

Days with the most alerts issued, by UTC date.

  1. August 6, 20109excessive heat watches
  2. July 14, 20104excessive heat watches
  3. August 7, 20104excessive heat watches
  4. July 22, 20103excessive heat watches
  5. July 31, 20103excessive heat watches
  6. August 1, 20103excessive heat watches
  7. July 12, 20102excessive heat watches
  8. July 13, 20102excessive heat watches
  9. July 15, 20102excessive heat watches
  10. July 30, 20102excessive heat watches
  11. August 3, 20102excessive heat watches
  12. August 8, 20102excessive heat watches
  13. August 10, 20102excessive heat watches
  14. August 13, 20102excessive heat watches
  15. August 19, 20102excessive heat watches

Nearby

Alerts in force nowThe tornado archiveThe radar archive20092011

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. Warning verification from the Mesonet's Cow. Rebuilt daily.