Alert archive / Iowa / 1991
Weather alerts in Iowa, September 1991
30 weather alerts in September 1991, 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 1991. Tap one for its archive.
- Alerts
- 30
- Warnings
- 30
- Watches
- 0
- Advisories
- 0
- Busiest day
- September 12, 199122 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 9, 4:28 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 47 min |
| Sep 9, 5:08 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marion, Polk, Warren | 37 min |
| Sep 9, 6:14 PM CDT | Severe Thunderstorm Warning | DMX | Allamakee | 31 min |
| Sep 9, 6:24 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 101 min |
| Sep 9, 6:24 PM CDT | Severe Thunderstorm Warning | DVN | Clayton | 66 min |
| Sep 9, 7:23 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 52 min |
| Sep 9, 8:57 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 28 min |
| Sep 11, 7:41 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 34 min |
| Sep 11, 8:08 PM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 52 min |
| Sep 11, 8:08 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 45 min |
| Sep 11, 8:22 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 31 min |
| Sep 11, 8:22 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Story | 53 min |
| Sep 12, 3:03 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Story | 29 min |
| Sep 12, 3:20 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 25 min |
| Sep 12, 3:33 PM CDT | Severe Thunderstorm Warning | DMX | Marshall, Tama | 42 min |
| Sep 12, 3:44 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 31 min |
| Sep 12, 3:53 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 61 min |
| Sep 12, 3:53 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 31 min |
| Sep 12, 4:19 PM CDT | Tornado Warning | DMX | Benton | 26 min |
| Sep 12, 4:19 PM CDT | Tornado Warning | DMX | Tama | 19 min |
| Sep 12, 4:41 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 49 min |
| Sep 12, 4:57 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 33 min |
| Sep 12, 4:58 PM CDT | Tornado Warning | DMX | Johnson | 32 min |
| Sep 12, 5:01 PM CDT | Tornado Warning | DMX | Linn | 24 min |
| Sep 12, 5:03 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 57 min |
| Sep 12, 5:07 PM CDT | Severe Thunderstorm Warning | DVN | Delaware | 25 min |
| Sep 12, 5:18 PM CDT | Tornado Warning | DVN | Jones | 27 min |
| Sep 12, 5:42 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 38 min |
| Sep 12, 6:15 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 40 min |
| Sep 13, 8:37 PM CDT | Tornado Warning | DMX | Winnebago | 38 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 | 24 |
| Tornado Warning | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jasper County3
- Polk County3
- Delaware County2
- Scott County2
- Greene County2
- Story County2
- Marshall County2
- Tama County2
- Linn County2
- Jones County2
- Marion County1
- Warren County1
- Allamakee County1
- Clayton County1
- Des Moines County1
- Lee County1
- Carroll County1
- Hamilton County1
- Webster County1
- Boone County1
- Black Hawk County1
- Grundy County1
- Benton County1
- Johnson County1
- Cedar County1
- Jackson County1
- Clinton County1
- Winnebago County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
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.