Alert archive / Iowa / Tornado Watches / 1999
Tornado Watches in Iowa, August 1999
1 tornado 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in August 1999. Tap one for its archive.
- Tornado Watches
- 1
- Busiest day
- August 9, 19991 tornado watches
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 6:30 PM CDT | Tornado Watch | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 14 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allamakee County1
- Black Hawk County1
- Bremer County1
- Buchanan County1
- Butler County1
- Cerro Gordo County1
- Chickasaw County1
- Clayton County1
- Delaware County1
- Dubuque County1
- Fayette County1
- Floyd County1
- Hancock County1
- Howard County1
- Jones County1
- Kossuth County1
- Mitchell County1
- Winnebago County1
- Winneshiek County1
- Worth 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.