Alert archive / Iowa / 1999
Weather alerts in Iowa, September 1999
20 weather alerts in September 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 1999. Tap one for its archive.
- Alerts
- 20
- Warnings
- 18
- Watches
- 2
- Advisories
- 0
- Busiest day
- September 8, 199912 alerts
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 |
|---|---|---|---|---|
| Sep 7, 5:03 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 62 min |
| Sep 7, 5:15 PM CDT | Tornado Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 21 more | 6 hr |
| Sep 7, 5:35 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth | 35 min |
| Sep 7, 5:41 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 64 min |
| Sep 7, 6:15 PM CDT | Tornado Watch | SPC | Adair, Adams, Boone, Bremer, Butler, Cass and 27 more | 6 hr |
| Sep 7, 6:45 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery, Pottawattamie | 65 min |
| Sep 7, 6:50 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 35 min |
| Sep 7, 7:00 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 30 min |
| Sep 7, 7:10 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 50 min |
| Sep 7, 7:24 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 31 min |
| Sep 7, 7:33 PM CDT | Severe Thunderstorm Warning | DMX | Hancock | 32 min |
| Sep 7, 7:45 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt | 35 min |
| Sep 7, 7:53 PM CDT | Severe Thunderstorm Warning | OAX | Page | 17 min |
| Sep 7, 8:09 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 51 min |
| Sep 7, 8:32 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 63 min |
| Sep 7, 8:42 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 48 min |
| Sep 7, 8:51 PM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 64 min |
| Sep 7, 9:37 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 33 min |
| Sep 7, 9:51 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 34 min |
| Sep 19, 4:07 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 33 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 18 |
| Tornado Watch | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pottawattamie County4
- Hancock County4
- Montgomery County4
- Mills County3
- Kossuth County3
- Audubon County2
- Humboldt County2
- Pocahontas County2
- Adams County2
- Boone County2
- Cass County2
- Dallas County2
- Page County2
- Taylor County2
- Buena Vista County1
- Calhoun County1
- Carroll County1
- Cherokee County1
- Clay County1
- Crawford County1
- Dickinson County1
- Emmet County1
- Fremont County1
- Harrison County1
- Ida County1
- Monona County1
- O'Brien County1
- Osceola County1
- Palo Alto County1
- Plymouth County1
- Sac County1
- Shelby County1
- Winnebago County1
- Woodbury County1
- Adair County1
- Bremer County1
- Butler County1
- Cerro Gordo County1
- Chickasaw County1
- Clarke County1
20 more counties
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.