Alert archive / Iowa / Tornado Watches in 2024
Tornado Watch 191
The Storm Prediction Center issued this tornado watch at May 6, 2024, 7:32 PM CDT for 40 counties in Iowa. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 6, 2024, 7:32 PM CDT (00:32 UTC)
- Expired
- May 7, 2024, 2:53 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 65 kt
All 40 counties
Adair County, IA, Adams County, IA, Appanoose County, IA, Audubon County, IA, Boone County, IA, Buena Vista County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cherokee County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Greene County, IA, Guthrie County, IA, Hamilton County, IA, Humboldt County, IA, Ida County, IA, Jasper County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Plymouth County, IA, Pocahontas County, IA, Polk County, IA, Ringgold County, IA, Sac County, IA, Story County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Webster County, IA, Woodbury County, IA
The radar
The Des Moines radar (KDMX), 59 km from the middle of the area, began a volume at 00:34 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 9:27 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Audubon, Cass, Guthrie, Taylor | 48 min |
| May 6, 9:35 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Crawford, Greene, Sac | 40 min |
| May 6, 9:45 PM CDT | Tornado Warning | DMX | Carroll, Crawford | 45 min |
| May 6, 10:09 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Adams, Audubon, Cass, Dallas, Guthrie and 2 more | 51 min |
| May 6, 10:14 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Crawford, Greene, Humboldt, Pocahontas and 2 more | 61 min |
| May 6, 10:26 PM CDT | Tornado Warning | DMX | Calhoun, Carroll, Greene, Webster | 49 min |
| May 7, 12:33 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas, Madison, Warren, Wayne | 42 min |
| May 7, 12:47 AM CDT | Tornado Warning | DMX | Clarke, Decatur, Lucas, Warren | 43 min |
| May 7, 1:21 AM CDT | Tornado Warning | DMX | Jasper, Mahaska, Marion, Polk, Warren | 39 min |
| May 7, 1:26 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Jasper, Lucas, Mahaska, Marion and 6 more | 64 min |
| May 7, 2:26 AM CDT | Severe Thunderstorm Warning | DMX | Davis, Grundy, Jasper, Mahaska, Marshall, Monroe and 3 more | 49 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 8:06 PM CDT | Mesoscale Discussion | SPC | Fremont | 84 min |
| May 6, 9:16 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 17 more | 119 min |
| May 6, 11:56 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Van Buren | 94 min |
| May 7, 5:24 PM CDT | Mesoscale Discussion | SPC | Allamakee, Cedar, Clayton, Clinton, Delaware, Dubuque and 5 more | 96 min |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.