Alert archive / Iowa / Tornado Watches in 2025
Tornado Watch 183
The Storm Prediction Center issued this tornado watch at Apr 28, 2025, 4:58 PM CDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 28, 2025, 4:58 PM CDT (21:58 UTC)
- Expired
- Apr 29, 2025, 12:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 65 kt
All 54 counties
Adair County, IA, Adams County, IA, Audubon County, IA, Boone County, IA, Carroll County, IA, Cass County, IA, Clarke County, IA, Dallas County, IA, Decatur County, IA, Fremont County, IA, Greene County, IA, Guthrie County, IA, Madison County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Polk County, IA, Ringgold County, IA, Story County, IA, Taylor County, IA, Union County, IA, Warren County, IA, Atchison County, KS, Brown County, KS, Dickinson County, KS, Doniphan County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Leavenworth County, KS, Marshall County, KS, Morris County, KS, Nemaha County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Harrison County, MO, Holt County, MO, Nodaway County, MO, Platte County, MO, Worth County, MO, Nemaha County, NE, Pawnee County, NE, Richardson County, NE
The radar
The Des Moines radar (KDMX), 140 km from the middle of the area, began a volume at 21:58 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
- 70%
- One or more EF2 to EF5 tornadoes
- 50%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 70%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
37 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 5:24 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson | 36 min |
| Apr 28, 5:31 PM CDT | Severe Thunderstorm Warning | TOP | Riley | 27 min |
| Apr 28, 5:39 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Riley | 51 min |
| Apr 28, 5:52 PM CDT | Severe Thunderstorm Warning | TOP | Marshall, Riley | 23 min |
| Apr 28, 5:58 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson | 17 min |
| Apr 28, 6:08 PM CDT | Severe Thunderstorm Warning | TOP | Marshall | 17 min |
| Apr 28, 6:10 PM CDT | Severe Thunderstorm Warning | TOP | Pottawatomie, Riley, Wabaunsee | 50 min |
| Apr 28, 6:24 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Riley, Wabaunsee | 24 min |
| Apr 28, 6:36 PM CDT | Flash Flood Warning | TOP | Dickinson, Geary, Pottawatomie, Riley | 4 hr |
| Apr 28, 6:48 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Pottawatomie | 42 min |
| Apr 28, 6:50 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson | 25 min |
| Apr 28, 6:56 PM CDT | Tornado Warning | TOP | Dickinson | 13 min |
| Apr 28, 7:07 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson, Geary | 23 min |
| Apr 28, 7:10 PM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 35 min |
| Apr 28, 7:13 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Leavenworth | 32 min |
| Apr 28, 7:19 PM CDT | Severe Thunderstorm Warning | TOP | Geary | 26 min |
| Apr 28, 7:23 PM CDT | Flash Flood Warning | TOP | Pottawatomie, Riley | 4 hr |
| Apr 28, 7:24 PM CDT | Severe Thunderstorm Warning | TOP | Pottawatomie, Riley | 36 min |
| Apr 28, 7:28 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson, Geary | 32 min |
| Apr 28, 7:38 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Riley | 37 min |
| Apr 28, 7:42 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Doniphan, Leavenworth | 33 min |
| Apr 28, 7:52 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Pottawatomie | 21 min |
| Apr 28, 7:57 PM CDT | Severe Thunderstorm Warning | TOP | Riley, Wabaunsee | 33 min |
| Apr 28, 8:11 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Doniphan, Leavenworth | 34 min |
| Apr 28, 8:17 PM CDT | Severe Thunderstorm Warning | TOP | Dickinson, Geary | 43 min |
| Apr 28, 8:25 PM CDT | Severe Thunderstorm Warning | TOP | Wabaunsee | 24 min |
| Apr 28, 8:36 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Pottawatomie, Shawnee, Wabaunsee | 24 min |
| Apr 28, 8:40 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 39 min |
| Apr 28, 8:48 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Shawnee | 27 min |
| Apr 28, 8:54 PM CDT | Tornado Warning | DMX | Cass | 26 min |
| Apr 28, 8:58 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 47 min |
| Apr 28, 9:05 PM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 25 min |
| Apr 28, 9:28 PM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 17 min |
| Apr 28, 9:31 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Leavenworth | 29 min |
| Apr 28, 9:52 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Story | 38 min |
| Apr 28, 10:13 PM CDT | Severe Thunderstorm Warning | DMX | Grundy, Hardin, Marshall, Story, Tama | 47 min |
| Apr 28, 11:39 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth, Wyandotte | 21 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 10.0 hours before the alert went out and 208 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1258 J/kg
- Mixed-layer CIN
- -312 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 527 m²/s²
- 0-3 km storm-relative helicity
- 549 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 10:41 AM CDT | Mesoscale Discussion | SPC | Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 3 more | 2 hr |
| Apr 28, 12:29 PM CDT | Tornado Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 5 more | 10 hr |
| Apr 28, 2:25 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 18 more | 2 hr |
| Apr 28, 3:27 PM CDT | Tornado Watch | SPC | Butler, Calhoun, Cerro Gordo, Chickasaw, Floyd, Franklin and 13 more | 8 hr |
| Apr 28, 3:28 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Boone, Carroll and 26 more | 3 hr |
| Apr 28, 5:29 PM CDT | Mesoscale Discussion | SPC | Monona, Plymouth, Sioux, Woodbury | 91 min |
| Apr 28, 5:59 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 4 hr |
| Apr 28, 6:06 PM CDT | Mesoscale Discussion | SPC | Howard, Mitchell, Winnebago, Worth | 84 min |
| Apr 27, 8:47 PM CDT | Mesoscale Discussion | SPC | Cherry | 58 min |
| Apr 27, 11:33 PM CDT | Mesoscale Discussion | SPC | Boyd, Cherry, Keya Paha | 87 min |
| Apr 28, 12:58 AM CDT | Mesoscale Discussion | SPC | Boyd, Brown, Holt, Keya Paha, Knox, Rock | 92 min |
Nearby
Tornado Watches in Iowa, 2025Tornado Watches in Kansas, 2025Tornado Watches in Missouri, 2025Every tornado watch in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.