Alert archive / Iowa / Tornado Warnings / 2020
Tornado Warnings in Iowa, May 2020
19 tornado warnings in May 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in May 2020. Tap one for its archive.
- Tornado Warnings
- 19
- Busiest day
- May 23, 20209 tornado 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 |
|---|---|---|---|---|
| May 14, 4:46 PM CDT | Tornado Warning | DMX | Clarke, Lucas, Marion, Warren | 29 min |
| May 16, 6:10 PM CDT | Tornado Warning | OAX | Mills | 35 min |
| May 23, 12:18 PM CDT | Tornado Warning | DVN | Cedar, Johnson | 42 min |
| May 23, 12:39 PM CDT | Tornado Warning | DVN | Cedar, Clinton | 51 min |
| May 23, 12:50 PM CDT | Tornado Warning | DVN | Cedar, Jones | 40 min |
| May 23, 12:59 PM CDT | Tornado Warning | DVN | Scott | 46 min |
| May 23, 1:17 PM CDT | Tornado Warning | DVN | Clinton, Jackson | 43 min |
| May 23, 1:18 PM CDT | Tornado Warning | DVN | Cedar, Jones | 18 min |
| May 23, 1:29 PM CDT | Tornado Warning | DVN | Jones | 16 min |
| May 23, 1:54 PM CDT | Tornado Warning | DVN | Jackson | 38 min |
| May 23, 2:27 PM CDT | Tornado Warning | DVN | Jackson | 34 min |
| May 25, 6:32 PM CDT | Tornado Warning | DMX | Polk | 28 min |
| May 26, 1:25 PM CDT | Tornado Warning | DMX | Dallas | 35 min |
| May 26, 1:49 PM CDT | Tornado Warning | DMX | Boone, Dallas | 26 min |
| May 26, 2:22 PM CDT | Tornado Warning | DMX | Poweshiek, Tama | 38 min |
| May 26, 2:25 PM CDT | Tornado Warning | DMX | Boone, Webster | 35 min |
| May 26, 3:47 PM CDT | Tornado Warning | DMX | Humboldt, Wright | 13 min |
| May 26, 3:57 PM CDT | Tornado Warning | DMX | Audubon, Guthrie | 21 min |
| May 26, 5:16 PM CDT | Tornado Warning | DMX | Franklin, Wright | 29 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cedar County4
- Jones County3
- Jackson County3
- Clinton County2
- Dallas County2
- Boone County2
- Wright County2
- Clarke County1
- Lucas County1
- Marion County1
- Warren County1
- Mills County1
- Johnson County1
- Scott County1
- Polk County1
- Poweshiek County1
- Tama County1
- Webster County1
- Humboldt County1
- Audubon County1
- Guthrie County1
- Franklin 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. Rebuilt daily.