Alert archive / Iowa / 1998
Weather alerts in Iowa, April 1998
71 weather alerts in April 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 April 1998. Tap one for its archive.
- Alerts
- 71
- Warnings
- 64
- Watches
- 7
- Advisories
- 0
- Busiest day
- April 6, 199812 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 |
|---|---|---|---|---|
| Apr 6, 2:22 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 48 min |
| Apr 6, 2:29 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 46 min |
| Apr 6, 2:50 PM CDT | Severe Thunderstorm Warning | DMX | Guthrie | 30 min |
| Apr 6, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas | 34 min |
| Apr 6, 4:44 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 31 min |
| Apr 6, 5:09 PM CDT | Severe Thunderstorm Warning | DMX | Story | 46 min |
| Apr 6, 5:31 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 34 min |
| Apr 6, 5:57 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 63 min |
| Apr 6, 6:24 PM CDT | Tornado Warning | DMX | Calhoun, Webster | 31 min |
| Apr 6, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 40 more | 7 hr |
| Apr 6, 6:32 PM CDT | Tornado Warning | DMX | Greene | 33 min |
| Apr 6, 6:56 PM CDT | Tornado Warning | DMX | Boone, Webster | 34 min |
| Apr 6, 7:05 PM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 60 min |
| Apr 6, 7:32 PM CDT | Tornado Warning | OAX | Mills | 33 min |
| Apr 6, 7:36 PM CDT | Tornado Warning | DMX | Boone, Hamilton, Webster | 34 min |
| Apr 6, 8:06 PM CDT | Tornado Warning | OAX | Mills, Pottawattamie | 29 min |
| Apr 6, 8:11 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 49 min |
| Apr 6, 8:13 PM CDT | Tornado Warning | DMX | Boone, Greene | 32 min |
| Apr 6, 9:13 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Story | 32 min |
| Apr 7, 2:00 PM CDT | Tornado Watch | SPC | Appanoose, Davis, Des Moines, Henry, Jefferson, Keokuk and 10 more | 6 hr |
| Apr 7, 4:28 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 47 min |
| Apr 7, 4:30 PM CDT | Tornado Warning | DVN | Lee | 35 min |
| Apr 7, 4:36 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 34 min |
| Apr 7, 5:05 PM CDT | Tornado Warning | DVN | Lee | 35 min |
| Apr 12, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Crawford, Dickinson, Fremont and 13 more | 6 hr |
| Apr 12, 5:13 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 32 min |
| Apr 12, 5:45 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 30 min |
| Apr 12, 6:11 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, O'Brien | 44 min |
| Apr 12, 6:32 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson | 28 min |
| Apr 12, 6:51 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 49 min |
| Apr 12, 7:06 PM CDT | Severe Thunderstorm Warning | DMX | Emmet | 34 min |
| Apr 12, 7:37 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Shelby | 48 min |
| Apr 12, 7:47 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 33 min |
| Apr 12, 8:22 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford | 48 min |
| Apr 12, 8:53 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 32 min |
| Apr 13, 12:20 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee | 30 min |
| Apr 13, 12:25 AM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 30 min |
| Apr 13, 4:00 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Clarke, Davis, Decatur and 15 more | 6 hr |
| Apr 13, 4:11 AM CDT | Severe Thunderstorm Warning | OAX | Montgomery | 34 min |
| Apr 14, 6:45 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Cass, Decatur, Fremont and 10 more | 5 hr |
| Apr 14, 9:09 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 46 min |
| Apr 14, 9:50 PM CDT | Tornado Warning | OAX | Page | 30 min |
| Apr 14, 10:12 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 33 min |
| Apr 14, 10:20 PM CDT | Severe Thunderstorm Warning | OAX | Page | 15 min |
| Apr 14, 10:23 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Pottawattamie | 47 min |
| Apr 14, 10:43 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Taylor | 32 min |
| Apr 14, 10:54 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 31 min |
| Apr 15, 8:04 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 46 min |
| Apr 15, 8:22 PM CDT | Severe Thunderstorm Warning | DVN | Johnson | 48 min |
| Apr 15, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 20 min |
| Apr 15, 9:31 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 49 min |
| Apr 15, 10:22 PM CDT | Severe Thunderstorm Warning | DVN | Benton | 38 min |
| Apr 15, 10:53 PM CDT | Tornado Warning | DVN | Benton, Buchanan, Linn | 47 min |
| Apr 19, 1:29 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 36 min |
| Apr 25, 5:30 PM CDT | Tornado Watch | SPC | Appanoose, Benton, Black Hawk, Boone, Buchanan, Calhoun and 35 more | 6 hr |
| Apr 25, 5:45 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 35 min |
| Apr 25, 5:51 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 59 min |
| Apr 25, 5:56 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 34 min |
| Apr 25, 6:02 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 33 min |
| Apr 25, 6:20 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 35 min |
| Apr 25, 6:21 PM CDT | Severe Thunderstorm Warning | DMX | Dallas | 34 min |
| Apr 25, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Crawford and 10 more | 5 hr |
| Apr 25, 6:36 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 34 min |
| Apr 25, 6:51 PM CDT | Severe Thunderstorm Warning | DMX | Carroll | 34 min |
| Apr 25, 6:51 PM CDT | Severe Thunderstorm Warning | OAX | Monona | 34 min |
| Apr 25, 7:07 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 33 min |
| Apr 25, 7:26 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 34 min |
| Apr 25, 7:39 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun | 36 min |
| Apr 25, 7:42 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 33 min |
| Apr 25, 7:47 PM CDT | Flash Flood Warning | OAX | Monona | 5 hr |
| Apr 25, 8:10 PM CDT | Severe Thunderstorm Warning | DMX | Greene, Webster | 35 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 | 52 |
| Tornado Warning | 11 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 3 |
| Flooding | |
| Flash Flood Warning | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Harrison County9
- Pottawattamie County8
- Boone County8
- Mills County8
- Monona County7
- Greene County7
- Webster County6
- Carroll County6
- Guthrie County5
- Dallas County5
- Calhoun County5
- Crawford County5
- Page County5
- Ringgold County5
- Sac County5
- Shelby County5
- Taylor County5
- Lee County5
- Story County4
- Adams County4
- Appanoose County4
- Clarke County4
- Decatur County4
- Lucas County4
- Madison County4
- Mahaska County4
- Marion County4
- Monroe County4
- Union County4
- Warren County4
- Wayne County4
- Woodbury County4
- Cherokee County4
- Plymouth County4
- Benton County4
- Adair County3
- Audubon County3
- Fremont County3
- Hamilton County3
- Ida County3
35 more counties
- Montgomery County3
- Tama County3
- Davis County3
- Jefferson County3
- Keokuk County3
- Van Buren County3
- Wapello County3
- Washington County3
- Buena Vista County3
- Black Hawk County2
- Cass County2
- Grundy County2
- Hardin County2
- Jasper County2
- Marshall County2
- Polk County2
- Poweshiek County2
- Henry County2
- Clay County2
- Dickinson County2
- O'Brien County2
- Sioux County2
- Johnson County2
- Buchanan County2
- Linn County2
- Des Moines County1
- Louisa County1
- Lyon County1
- Osceola County1
- Emmet County1
- Mitchell County1
- Delaware County1
- Dubuque County1
- Iowa County1
- Pocahontas 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. Rebuilt daily.