Alert archive / Iowa / 1998
Weather alerts in Iowa, July 1998
86 weather alerts in July 1998, 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 1998. Tap one for its archive.
- Alerts
- 86
- Warnings
- 75
- Watches
- 11
- Advisories
- 0
- Busiest day
- July 7, 199817 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 2, 9:00 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 35 min |
| Jul 3, 7:24 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 31 min |
| Jul 5, 6:40 AM CDT | Flash Flood Warning | OAX | Pottawattamie | 4 hr |
| Jul 5, 7:12 AM CDT | Flash Flood Warning | OAX | Harrison | 4 hr |
| Jul 5, 8:54 AM CDT | Flash Flood Warning | DMX | Cass | 3 hr |
| Jul 6, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | Lyon | 6 hr |
| Jul 6, 5:15 PM CDT | Tornado Watch | SPC | Buena Vista, Calhoun, Cherokee, Clay, Crawford, Harrison and 10 more | 6 hr |
| Jul 6, 5:47 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 48 min |
| Jul 6, 6:16 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 64 min |
| Jul 6, 6:25 PM CDT | Tornado Warning | FSD | Woodbury | 30 min |
| Jul 6, 6:34 PM CDT | Tornado Warning | OAX | Monona | 61 min |
| Jul 6, 6:49 PM CDT | Tornado Warning | OAX | Harrison | 61 min |
| Jul 6, 6:53 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 32 min |
| Jul 6, 6:55 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 30 min |
| Jul 6, 7:22 PM CDT | Tornado Warning | DMX | Carroll | 33 min |
| Jul 6, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Benton, Black Hawk, Boone and 34 more | 6 hr |
| Jul 6, 8:15 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 35 min |
| Jul 6, 8:46 PM CDT | Flash Flood Warning | DMX | Dallas | 3 hr |
| Jul 6, 8:54 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 36 min |
| Jul 6, 9:14 PM CDT | Flash Flood Warning | DMX | Guthrie | 6 hr |
| Jul 6, 9:20 PM CDT | Severe Thunderstorm Warning | DMX | Story | 35 min |
| Jul 6, 9:21 PM CDT | Flash Flood Warning | DMX | Polk | 6 hr |
| Jul 6, 9:29 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 46 min |
| Jul 6, 9:35 PM CDT | Tornado Warning | DMX | Polk | 35 min |
| Jul 6, 9:45 PM CDT | Severe Thunderstorm Warning | DMX | Marion, Warren | 45 min |
| Jul 6, 10:00 PM CDT | Tornado Warning | DMX | Marion | 35 min |
| Jul 6, 10:15 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 35 min |
| Jul 6, 10:37 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 33 min |
| Jul 6, 11:41 PM CDT | Flash Flood Warning | DMX | Dallas | 3 hr |
| Jul 7, 3:59 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 61 min |
| Jul 7, 5:02 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 88 min |
| Jul 9, 6:07 PM CDT | Tornado Warning | FSD | Woodbury | 33 min |
| Jul 15, 12:57 AM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien | 33 min |
| Jul 15, 1:13 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 32 min |
| Jul 15, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Audubon, Boone, Buena Vista, Butler, Calhoun and 41 more | 4 hr |
| Jul 15, 1:46 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Humboldt, Pocahontas, Webster | 64 min |
| Jul 15, 1:46 AM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Hancock, Wright | 64 min |
| Jul 15, 1:46 AM CDT | Severe Thunderstorm Warning | DMX | Worth | 64 min |
| Jul 15, 2:05 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Greene | 60 min |
| Jul 15, 2:05 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton | 60 min |
| Jul 15, 2:22 AM CDT | Severe Thunderstorm Warning | DMX | Hardin | 63 min |
| Jul 15, 2:22 AM CDT | Severe Thunderstorm Warning | DMX | Boone | 63 min |
| Jul 15, 2:30 AM CDT | Severe Thunderstorm Warning | DMX | Crawford | 65 min |
| Jul 15, 2:32 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 63 min |
| Jul 15, 3:01 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie, Polk | 64 min |
| Jul 15, 3:01 AM CDT | Severe Thunderstorm Warning | DMX | Story | 64 min |
| Jul 15, 3:02 AM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 63 min |
| Jul 15, 3:33 AM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie, Shelby | 62 min |
| Jul 17, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Cass, Clarke, Crawford and 18 more | 7 hr |
| Jul 18, 8:45 PM CDT | Tornado Watch | SPC | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 6 hr |
| Jul 18, 9:31 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 34 min |
| Jul 18, 9:45 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 45 min |
| Jul 18, 10:07 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 33 min |
| Jul 18, 10:23 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 32 min |
| Jul 18, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | Bremer, Buena Vista, Butler, Cerro Gordo, Chickasaw, Emmet and 14 more | 6 hr |
| Jul 18, 10:41 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 29 min |
| Jul 18, 10:52 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 33 min |
| Jul 18, 11:07 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Pocahontas | 33 min |
| Jul 18, 11:23 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 17 min |
| Jul 18, 11:34 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Pocahontas | 31 min |
| Jul 19, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Benton, Buchanan, Cedar, Clayton, Clinton and 10 more | 6 hr |
| Jul 19, 2:12 AM CDT | Severe Thunderstorm Warning | ARX | Clayton | 48 min |
| Jul 20, 3:32 PM CDT | Tornado Warning | ARX | Howard | 63 min |
| Jul 20, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Chickasaw, Clayton and 5 more | 5 hr |
| Jul 20, 4:07 PM CDT | Tornado Warning | ARX | Winneshiek | 53 min |
| Jul 20, 4:38 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 62 min |
| Jul 21, 6:15 AM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Calhoun, Cerro Gordo, Cherokee, Clay, Dickinson and 21 more | 6 hr |
| Jul 21, 6:16 AM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 44 min |
| Jul 21, 6:40 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 20 min |
| Jul 21, 6:43 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 32 min |
| Jul 21, 6:43 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 52 min |
| Jul 21, 7:03 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 47 min |
| Jul 21, 7:07 AM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien | 48 min |
| Jul 21, 7:26 AM CDT | Severe Thunderstorm Warning | DMX | Palo Alto, Pocahontas | 34 min |
| Jul 21, 7:30 AM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 30 min |
| Jul 21, 7:49 AM CDT | Severe Thunderstorm Warning | DMX | Emmet | 31 min |
| Jul 21, 8:00 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth | 35 min |
| Jul 21, 8:13 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 32 min |
| Jul 21, 8:13 AM CDT | Severe Thunderstorm Warning | DMX | Hancock, Winnebago | 32 min |
| Jul 21, 9:00 AM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 50 min |
| Jul 21, 9:00 AM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Black Hawk, Bremer, Buchanan, Butler, Chickasaw and 9 more | 4 hr |
| Jul 21, 9:18 AM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Howard | 37 min |
| Jul 21, 9:09 PM CDT | Severe Thunderstorm Warning | OAX | Shelby | 46 min |
| Jul 21, 9:54 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 51 min |
| Jul 21, 10:44 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 31 min |
| Jul 22, 12:21 AM CDT | Flash Flood Warning | DMX | Cass | 3 hr |
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 | 58 |
| Tornado Warning | 9 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 2 |
| Flooding | |
| Flash Flood Warning | 8 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pocahontas County8
- Polk County8
- Lyon County7
- Clay County7
- Humboldt County7
- O'Brien County7
- Palo Alto County7
- Woodbury County7
- Dallas County7
- Crawford County6
- Pottawattamie County6
- Harrison County6
- Buena Vista County6
- Monona County6
- Guthrie County6
- Shelby County6
- Kossuth County6
- Cass County5
- Cherokee County5
- Sioux County5
- Hamilton County5
- Marion County5
- Allamakee County5
- Clayton County5
- Hancock County5
- Wright County5
- Emmet County5
- Howard County5
- Calhoun County4
- Plymouth County4
- Carroll County4
- Buchanan County4
- Delaware County4
- Hardin County4
- Jasper County4
- Story County4
- Webster County4
- Cerro Gordo County4
- Floyd County4
- Mitchell County4
47 more counties
- Winnebago County4
- Worth County4
- Dickinson County4
- Chickasaw County4
- Fayette County4
- Winneshiek County4
- Ida County3
- Sac County3
- Adair County3
- Audubon County3
- Black Hawk County3
- Boone County3
- Greene County3
- Grundy County3
- Madison County3
- Mills County3
- Warren County3
- Butler County3
- Franklin County3
- Osceola County3
- Bremer County3
- Dubuque County3
- Adams County2
- Benton County2
- Clarke County2
- Decatur County2
- Fremont County2
- Lucas County2
- Marshall County2
- Montgomery County2
- Page County2
- Poweshiek County2
- Ringgold County2
- Tama County2
- Taylor County2
- Union County2
- Wayne County2
- Mahaska County1
- Cedar County1
- Clinton County1
- Iowa County1
- Jackson County1
- Johnson County1
- Jones County1
- Linn County1
- Muscatine County1
- Scott County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19971999
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.