Alert archive / Washington / Severe Thunderstorm Watches / 1999
Severe Thunderstorm Watches in Washington, August 1999
2 severe thunderstorm watches in August 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 watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in August 1999. Tap one for its archive.
- Severe Thunderstorm Watches
- 2
- Busiest day
- August 7, 19991 severe thunderstorm watches
Over time
By day
Days in UTC, the clock the archive keeps.
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 1:00 PM PDT | Severe Thunderstorm Watch | SPC | Adams, Asotin, Benton, Chelan, Columbia, Douglas and 11 more | 6 hr |
| Aug 18, 6:30 PM PDT | Severe Thunderstorm Watch | SPC | Adams, Benton, Chelan, Douglas, Ferry, Franklin and 7 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County2
- Benton County2
- Chelan County2
- Douglas County2
- Ferry County2
- Franklin County2
- Grant County2
- Lincoln County2
- Okanogan County2
- Walla Walla County2
- Asotin County1
- Columbia County1
- Garfield County1
- Pend Oreille County1
- Spokane County1
- Stevens County1
- Whitman County1
- Kittitas County1
- Klickitat County1
- Yakima County1
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. Warning verification from the Mesonet's Cow. Rebuilt daily.