Alert archive / Washington / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Washington, 1999

19 severe thunderstorm warnings in 1999. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in 1999. Tap one for its archive.

Severe Thunderstorm Warnings
19
Busiest month
August10 severe thunderstorm warnings
Busiest day
June 16, 19993 severe thunderstorm warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jun 15, 6:15 PM PDTSevere Thunderstorm WarningPDTColumbia35 min
Jun 15, 6:22 PM PDTSevere Thunderstorm WarningPDTColumbia48 min
Jun 15, 6:24 PM PDTSevere Thunderstorm WarningOTXGarfield51 min
Jun 24, 3:19 PM PDTSevere Thunderstorm WarningPDTBenton, Walla Walla66 min
Jun 24, 5:25 PM PDTSevere Thunderstorm WarningPDTColumbia, Walla Walla60 min
Jul 16, 3:00 AM PDTSevere Thunderstorm WarningSEWKing30 min
Jul 17, 1:22 PM PDTSevere Thunderstorm WarningPDTYakima58 min
Jul 19, 1:22 PM PDTSevere Thunderstorm WarningPDTYakima58 min
Aug 4, 8:11 PM PDTSevere Thunderstorm WarningPQRSkamania29 min
Aug 4, 9:16 PM PDTSevere Thunderstorm WarningPQRCowlitz44 min
Aug 4, 9:43 PM PDTSevere Thunderstorm WarningSEWLewis62 min
Aug 6, 5:23 PM PDTSevere Thunderstorm WarningPDTColumbia62 min
Aug 6, 5:45 PM PDTSevere Thunderstorm WarningOTXAsotin, Garfield45 min
Aug 6, 7:42 PM PDTSevere Thunderstorm WarningOTXWhitman33 min
Aug 10, 7:00 PM PDTSevere Thunderstorm WarningPDTYakima65 min
Aug 18, 5:24 PM PDTSevere Thunderstorm WarningPDTKittitas, Yakima66 min
Aug 30, 7:15 PM PDTSevere Thunderstorm WarningSEWKing, Snohomish60 min
Aug 30, 7:54 PM PDTSevere Thunderstorm WarningSEWKing, Snohomish61 min
Dec 17, 6:28 PM PSTSevere Thunderstorm WarningPDTColumbia, Walla Walla62 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 16, 19993severe thunderstorm warnings
  2. August 5, 19993severe thunderstorm warnings
  3. August 7, 19993severe thunderstorm warnings
  4. August 31, 19992severe thunderstorm warnings
  5. June 24, 19991severe thunderstorm warnings
  6. June 25, 19991severe thunderstorm warnings
  7. July 16, 19991severe thunderstorm warnings
  8. July 17, 19991severe thunderstorm warnings
  9. July 19, 19991severe thunderstorm warnings
  10. August 11, 19991severe thunderstorm warnings
  11. August 19, 19991severe thunderstorm warnings
  12. December 18, 19991severe thunderstorm warnings

Nearby

Alerts in force nowTornadoes on recordThe 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.