Alert archive / Tornado Watches

Tornado Watches in the United States, 1999

252 tornado watches in 1999. Each alert counts once, however many counties it covered. The archive of tornado watches reaches back to 1997.

Tornado Watches by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Tornado Watches
252
Busiest month
May57 tornado watches
Busiest day
May 4, 199914 tornado 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. May 4, 199914tornado watches
  2. January 22, 199911tornado watches
  3. April 8, 19998tornado watches
  4. June 6, 19998tornado watches
  5. April 5, 19997tornado watches
  6. March 13, 19996tornado watches
  7. April 3, 19996tornado watches
  8. May 5, 19996tornado watches
  9. June 5, 19996tornado watches
  10. January 2, 19995tornado watches
  11. January 21, 19995tornado watches
  12. March 14, 19995tornado watches
  13. April 9, 19995tornado watches
  14. April 14, 19995tornado watches
  15. April 15, 19995tornado watches

Nearby

Alerts in force nowThe tornado archiveThe radar archive19982000

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.