Alert archive / Iowa / Severe Thunderstorm Warnings / 2020
Severe Thunderstorm Warnings in Iowa, April 2020
23 severe thunderstorm warnings in April 2020. 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 April 2020. Tap one for its archive.
- Severe Thunderstorm Warnings
- 23
- Busiest day
- April 8, 202017 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 |
|---|---|---|---|---|
| Apr 7, 6:01 PM CDT | Severe Thunderstorm Warning | DVN | Jones, Linn | 59 min |
| Apr 7, 6:41 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones, Linn | 49 min |
| Apr 7, 6:56 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Cedar, Linn | 49 min |
| Apr 7, 7:14 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Jones | 61 min |
| Apr 7, 7:29 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Johnson, Linn | 46 min |
| Apr 7, 7:35 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Scott | 55 min |
| Apr 7, 8:03 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Scott | 27 min |
| Apr 7, 8:06 PM CDT | Severe Thunderstorm Warning | DVN | Cedar, Iowa, Johnson, Muscatine | 39 min |
| Apr 7, 8:17 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 58 min |
| Apr 7, 8:45 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Johnson, Keokuk, Washington | 30 min |
| Apr 7, 9:07 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 23 min |
| Apr 7, 9:14 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Louisa, Muscatine, Washington | 31 min |
| Apr 7, 9:27 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 33 min |
| Apr 7, 9:40 PM CDT | Severe Thunderstorm Warning | DVN | Louisa, Muscatine | 35 min |
| Apr 8, 2:22 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Van Buren | 53 min |
| Apr 8, 2:54 PM CDT | Severe Thunderstorm Warning | DVN | Van Buren | 36 min |
| Apr 8, 2:56 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 64 min |
| Apr 8, 3:07 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 38 min |
| Apr 8, 3:41 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 49 min |
| Apr 8, 4:09 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 25 min |
| Apr 11, 10:08 PM CDT | Severe Thunderstorm Warning | DMX | Decatur, Ringgold | 36 min |
| Apr 11, 11:35 PM CDT | Severe Thunderstorm Warning | DMX | Monroe | 40 min |
| Apr 22, 3:43 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 32 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cedar County7
- Muscatine County6
- Scott County5
- Linn County4
- Johnson County4
- Jones County3
- Lee County3
- Iowa County2
- Washington County2
- Louisa County2
- Henry County2
- Van Buren County2
- Benton County1
- Clinton County1
- Keokuk County1
- Jefferson County1
- Des Moines County1
- Decatur County1
- Ringgold County1
- Monroe County1
- Allamakee County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.