Alert archive / Iowa / Severe Thunderstorm Warnings / 1997
Severe Thunderstorm Warnings in Iowa, July 1997
54 severe thunderstorm warnings in July 1997. 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 July 1997. Tap one for its archive.
- Severe Thunderstorm Warnings
- 54
- Busiest day
- July 19, 19979 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Jul 1, 3:39 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 46 min |
| Jul 1, 8:28 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Sioux | 47 min |
| Jul 1, 8:56 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 64 min |
| Jul 1, 11:03 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 57 min |
| Jul 7, 5:40 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 30 min |
| Jul 7, 6:15 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 30 min |
| Jul 7, 6:47 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 33 min |
| Jul 7, 7:16 PM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien | 49 min |
| Jul 7, 7:46 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 34 min |
| Jul 7, 8:05 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 30 min |
| Jul 7, 8:07 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 63 min |
| Jul 7, 8:15 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida | 30 min |
| Jul 7, 9:27 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Sac | 33 min |
| Jul 8, 1:00 AM CDT | Severe Thunderstorm Warning | ARX | Fayette, Winneshiek | 30 min |
| Jul 8, 1:36 AM CDT | Severe Thunderstorm Warning | ARX | Fayette, Winneshiek | 34 min |
| Jul 12, 8:19 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 46 min |
| Jul 13, 6:08 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 32 min |
| Jul 13, 8:21 AM CDT | Severe Thunderstorm Warning | DMX | Warren | 19 min |
| Jul 13, 5:55 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 45 min |
| Jul 13, 9:27 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 63 min |
| Jul 17, 4:37 AM CDT | Severe Thunderstorm Warning | ARX | Floyd, Howard, Mitchell | 48 min |
| Jul 18, 3:58 AM CDT | Severe Thunderstorm Warning | DVN | Jackson | 47 min |
| Jul 18, 11:11 AM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 59 min |
| Jul 18, 11:20 AM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 60 min |
| Jul 18, 11:35 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 60 min |
| Jul 19, 2:54 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 66 min |
| Jul 19, 3:51 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 49 min |
| Jul 19, 3:54 PM CDT | Severe Thunderstorm Warning | DVN | Washington | 46 min |
| Jul 19, 4:06 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 49 min |
| Jul 19, 4:55 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson | 65 min |
| Jul 19, 5:07 PM CDT | Severe Thunderstorm Warning | DVN | Washington | 48 min |
| Jul 19, 5:09 PM CDT | Severe Thunderstorm Warning | DVN | Louisa | 46 min |
| Jul 19, 5:24 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 51 min |
| Jul 19, 6:38 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 32 min |
| Jul 20, 2:59 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 31 min |
| Jul 20, 4:50 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 35 min |
| Jul 20, 10:18 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 62 min |
| Jul 20, 10:35 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 65 min |
| Jul 23, 4:56 AM CDT | Severe Thunderstorm Warning | OAX | Fremont | 49 min |
| Jul 23, 5:17 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 33 min |
| Jul 23, 5:24 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 31 min |
| Jul 23, 8:01 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 34 min |
| Jul 23, 8:02 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 33 min |
| Jul 23, 8:07 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 63 min |
| Jul 26, 12:38 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 67 min |
| Jul 27, 10:56 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 44 min |
| Jul 27, 11:21 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 49 min |
| Jul 27, 11:53 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 47 min |
| Jul 27, 12:16 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 34 min |
| Jul 27, 1:38 PM CDT | Severe Thunderstorm Warning | DMX | Pocahontas | 32 min |
| Jul 27, 1:41 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 34 min |
| Jul 27, 3:23 PM CDT | Severe Thunderstorm Warning | DVN | Iowa | 62 min |
| Jul 27, 3:36 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 49 min |
| Jul 27, 3:43 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 62 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Plymouth County7
- Winneshiek County4
- Woodbury County3
- Mitchell County3
- Iowa County3
- Crawford County3
- Fremont County2
- O'Brien County2
- Clayton County2
- Clay County2
- Monona County2
- Cherokee County2
- Fayette County2
- Floyd County2
- Jackson County2
- Washington County2
- Johnson County2
- Sioux County1
- Ida County1
- Calhoun County1
- Sac County1
- Warren County1
- Mills County1
- Howard County1
- Allamakee County1
- Scott County1
- Henry County1
- Louisa County1
- Keokuk County1
- Mahaska County1
- Marion County1
- Polk County1
- Monroe County1
- Clinton County1
- Shelby County1
- Pocahontas County1
- Black Hawk County1
- Cedar County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19961998
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.