Alert archive / Iowa / 1997
Weather alerts in Iowa, July 1997
92 weather alerts in July 1997, 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 July 1997. Tap one for its archive.
- Alerts
- 92
- Warnings
- 77
- Watches
- 15
- Advisories
- 0
- Busiest day
- July 27, 199716 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 |
|---|---|---|---|---|
| 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, 8:45 PM CDT | Tornado Watch | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 48 more | 5 hr |
| Jul 1, 8:56 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 64 min |
| Jul 1, 9:24 PM CDT | Tornado Warning | ARX | Allamakee, Winneshiek | 31 min |
| Jul 1, 9:53 PM CDT | Tornado Warning | ARX | Allamakee | 37 min |
| Jul 1, 10:29 PM CDT | Tornado Warning | ARX | Allamakee | 31 min |
| Jul 1, 10:30 PM CDT | Tornado Watch | SPC | Dubuque | 6 hr |
| Jul 1, 10:31 PM CDT | Tornado Warning | DVN | Delaware, Dubuque | 59 min |
| Jul 1, 11:03 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 57 min |
| Jul 1, 11:25 PM CDT | Tornado Warning | ARX | Clayton | 45 min |
| Jul 1, 11:30 PM CDT | Tornado Warning | DVN | Dubuque | 45 min |
| Jul 7, 4:00 PM CDT | Tornado Watch | SPC | Boone, Buena Vista, Calhoun, Carroll, Cerro Gordo, Cherokee and 28 more | 6 hr |
| Jul 7, 5:01 PM CDT | Tornado Warning | FSD | Lyon, Sioux | 44 min |
| Jul 7, 5:40 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 30 min |
| Jul 7, 5:45 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Cass, Dallas, Fremont and 9 more | 6 hr |
| 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, 6:47 PM CDT | Tornado 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, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 17 more | 6 hr |
| Jul 13, 5:55 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 45 min |
| Jul 13, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Cass, Clarke, Dallas and 13 more | 4 hr |
| Jul 13, 6:47 PM CDT | Tornado Warning | OAX | Mills, Montgomery | 33 min |
| Jul 13, 9:27 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 63 min |
| Jul 16, 5:30 PM CDT | Tornado Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 13 more | 6 hr |
| 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, 10:30 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Chickasaw, Clayton and 7 more | 6 hr |
| 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 19, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista and 42 more | 5 hr |
| Jul 19, 9:30 PM CDT | Flash Flood Warning | DMX | Kossuth | 3 hr |
| 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, 9:15 PM CDT | Tornado Warning | ARX | Howard | 60 min |
| Jul 20, 9:33 PM CDT | Tornado Warning | ARX | Winneshiek | 62 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 21, 3:53 PM CDT | Tornado Warning | DVN | Cedar | 47 min |
| Jul 21, 3:56 PM CDT | Tornado Warning | DVN | Muscatine, Scott | 49 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 | Flash Flood Warning | DMX | Crawford | 34 min |
| Jul 23, 8:01 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 34 min |
| Jul 23, 8:02 AM CDT | Flash Flood Warning | DMX | Crawford | 33 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 24, 5:26 AM CDT | Flash Flood Warning | DMX | Polk | 6 hr |
| Jul 24, 4:30 PM CDT | Tornado Watch | SPC | Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 13 more | 6 hr |
| Jul 24, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Dickinson, Emmet, Kossuth, Lyon, O'Brien and 3 more | 6 hr |
| Jul 25, 7:45 PM CDT | Tornado Watch | SPC | Jackson | 5 hr |
| Jul 25, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee, Dickinson, Lyon, O'Brien, Osceola, Sioux | 4 hr |
| Jul 26, 11:00 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 12 more | 6 hr |
| 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, 11:02 AM CDT | Tornado Warning | FSD | Plymouth | 33 min |
| Jul 27, 11:21 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 49 min |
| Jul 27, 11:40 AM CDT | Tornado Warning | FSD | Plymouth | 35 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, 12:46 PM CDT | Tornado Warning | FSD | Buena Vista | 29 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 |
| Jul 27, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Cedar, Clinton, Des Moines, Henry, Johnson, Jones and 6 more | 6 hr |
| Jul 27, 4:02 PM CDT | Tornado Warning | DVN | Cedar | 58 min |
| Jul 27, 4:16 PM CDT | Tornado Warning | DVN | Scott | 64 min |
| Jul 27, 4:22 PM CDT | Tornado Warning | DVN | Clinton | 63 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 | 54 |
| Tornado Warning | 19 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 7 |
| Flooding | |
| Flash Flood Warning | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Plymouth County15
- Winneshiek County11
- O'Brien County9
- Sioux County9
- Crawford County9
- Kossuth County9
- Allamakee County8
- Cherokee County8
- Clay County8
- Lyon County8
- Woodbury County8
- Clayton County7
- Dickinson County7
- Emmet County7
- Fayette County7
- Howard County7
- Humboldt County7
- Mitchell County7
- Osceola County7
- Palo Alto County7
- Buena Vista County6
- Calhoun County6
- Floyd County6
- Ida County6
- Monona County6
- Pocahontas County6
- Sac County6
- Bremer County5
- Cedar County5
- Cerro Gordo County5
- Chickasaw County5
- Dubuque County5
- Franklin County5
- Hancock County5
- Webster County5
- Winnebago County5
- Worth County5
- Polk County5
- Fremont County4
- Black Hawk County4
51 more counties
- Butler County4
- Carroll County4
- Greene County4
- Wright County4
- Mills County4
- Jackson County4
- Scott County4
- Iowa County4
- Boone County3
- Buchanan County3
- Delaware County3
- Hamilton County3
- Hardin County3
- Jones County3
- Story County3
- Montgomery County3
- Washington County3
- Johnson County3
- Clinton County3
- Benton County2
- Grundy County2
- Linn County2
- Marshall County2
- Tama County2
- Adair County2
- Adams County2
- Audubon County2
- Cass County2
- Dallas County2
- Guthrie County2
- Madison County2
- Page County2
- Shelby County2
- Warren County2
- Henry County2
- Louisa County2
- Muscatine County2
- Harrison County1
- Pottawattamie County1
- Clarke County1
- Decatur County1
- Jasper County1
- Ringgold County1
- Taylor County1
- Union County1
- Keokuk County1
- Mahaska County1
- Marion County1
- Monroe County1
- Des Moines County1
- Lee 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. Rebuilt daily.