Alert archive / Iowa / Severe Thunderstorm Warnings / 2004
Severe Thunderstorm Warnings in Iowa, July 2004
61 severe thunderstorm warnings in July 2004. 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 2004. Tap one for its archive.
- Severe Thunderstorm Warnings
- 61
- Busiest day
- July 13, 200426 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 4, 1:31 AM CDT | Severe Thunderstorm Warning | OAX | Shelby | 29 min |
| Jul 4, 1:40 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Cass | 50 min |
| Jul 4, 6:43 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 32 min |
| Jul 4, 6:47 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 43 min |
| Jul 4, 9:21 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 39 min |
| Jul 5, 7:42 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Louisa, Muscatine | 48 min |
| Jul 5, 8:14 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 46 min |
| Jul 9, 3:19 AM CDT | Severe Thunderstorm Warning | DMX | Cass | 41 min |
| Jul 11, 6:23 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Madison | 37 min |
| Jul 11, 7:47 AM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 43 min |
| Jul 11, 10:17 AM CDT | Severe Thunderstorm Warning | DMX | Story | 43 min |
| Jul 11, 11:05 AM CDT | Severe Thunderstorm Warning | DMX | Davis | 40 min |
| Jul 11, 11:16 AM CDT | Severe Thunderstorm Warning | DMX | Tama | 29 min |
| Jul 11, 11:32 AM CDT | Severe Thunderstorm Warning | DMX | Poweshiek | 28 min |
| Jul 11, 11:37 AM CDT | Severe Thunderstorm Warning | DVN | Benton | 53 min |
| Jul 11, 12:10 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison | 50 min |
| Jul 11, 12:49 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Wapello | 41 min |
| Jul 11, 1:11 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 19 min |
| Jul 11, 1:19 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 56 min |
| Jul 11, 1:42 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Van Buren | 48 min |
| Jul 11, 1:51 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 54 min |
| Jul 11, 2:39 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 66 min |
| Jul 11, 3:47 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 43 min |
| Jul 12, 9:27 PM CDT | Severe Thunderstorm Warning | OAX | Harrison | 48 min |
| Jul 12, 9:36 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 39 min |
| Jul 12, 10:04 PM CDT | Severe Thunderstorm Warning | OAX | Mills | 41 min |
| Jul 12, 10:18 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 27 min |
| Jul 12, 11:29 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 31 min |
| Jul 12, 11:32 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 28 min |
| Jul 12, 11:35 PM CDT | Severe Thunderstorm Warning | DMX | Emmet, Palo Alto | 40 min |
| Jul 12, 11:59 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 31 min |
| Jul 13, 12:01 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 29 min |
| Jul 13, 12:08 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 22 min |
| Jul 13, 12:15 AM CDT | Severe Thunderstorm Warning | DMX | Emmet | 45 min |
| Jul 13, 12:23 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 37 min |
| Jul 13, 12:27 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 48 min |
| Jul 13, 12:40 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 35 min |
| Jul 13, 12:46 AM CDT | Severe Thunderstorm Warning | FSD | Lyon | 44 min |
| Jul 13, 12:58 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 62 min |
| Jul 13, 1:04 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 41 min |
| Jul 13, 1:05 AM CDT | Severe Thunderstorm Warning | FSD | Osceola | 25 min |
| Jul 13, 1:13 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 62 min |
| Jul 13, 1:45 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 30 min |
| Jul 13, 1:51 AM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 39 min |
| Jul 13, 1:58 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Clay | 47 min |
| Jul 13, 2:31 AM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 44 min |
| Jul 13, 2:33 AM CDT | Severe Thunderstorm Warning | DMX | Kossuth | 42 min |
| Jul 13, 4:59 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 31 min |
| Jul 13, 5:07 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 23 min |
| Jul 15, 8:17 PM CDT | Severe Thunderstorm Warning | DMX | Audubon | 28 min |
| Jul 15, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 29 min |
| Jul 16, 12:47 AM CDT | Severe Thunderstorm Warning | DMX | Taylor | 43 min |
| Jul 16, 1:09 PM CDT | Severe Thunderstorm Warning | ARX | Clayton | 66 min |
| Jul 16, 1:37 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones | 53 min |
| Jul 19, 1:54 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 96 min |
| Jul 19, 2:55 PM CDT | Severe Thunderstorm Warning | ARX | Winneshiek | 80 min |
| Jul 19, 4:00 PM CDT | Severe Thunderstorm Warning | ARX | Fayette | 90 min |
| Jul 21, 2:31 AM CDT | Severe Thunderstorm Warning | DMX | Winnebago | 29 min |
| Jul 21, 5:59 AM CDT | Severe Thunderstorm Warning | DMX | Hamilton, Wright | 46 min |
| Jul 22, 5:17 AM CDT | Severe Thunderstorm Warning | OAX | Mills, Pottawattamie | 43 min |
| Jul 22, 10:56 AM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 49 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- O'Brien County5
- Madison County3
- Pottawattamie County3
- Cherokee County3
- Sioux County3
- Audubon County2
- Cass County2
- Cedar County2
- Muscatine County2
- Winnebago County2
- Mills County2
- Plymouth County2
- Emmet County2
- Lyon County2
- Buena Vista County2
- Clay County2
- Adams County2
- Shelby County1
- Hardin County1
- Grundy County1
- Jasper County1
- Louisa County1
- Scott County1
- Dallas County1
- Story County1
- Davis County1
- Tama County1
- Poweshiek County1
- Benton County1
- Adair County1
- Mahaska County1
- Wapello County1
- Warren County1
- Jefferson County1
- Van Buren County1
- Clarke County1
- Lucas County1
- Des Moines County1
- Decatur County1
- Harrison County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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.