Alert archive / Iowa / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 184, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Aug 20, 2019, 5:02 AM CDT for 4 counties in Iowa. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 20, 2019, 5:02 AM CDT (10:02 UTC)
- Expired
- Aug 20, 2019, 5:45 AM CDT
- In force
- 43 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hardin County, IA
The radar
The Des Moines radar (KDMX), 92 km from the middle of the area, began a volume at 10:06 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 19, 11:56 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Des Moines, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 20, 3:50 AM CDT, 1 hour 12 minutes earlier.
Area forecast discussion, Aug 20, 3:50 AM CDT, 1 hour 12 minutes before
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</html>Hazardous weather outlook, Aug 20, 3:21 AM CDT, 1 hour 41 minutes before
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</html>In the hours before
Special weather statement, Aug 20, 2:11 AM CDT, 2 hours 51 minutes before
Special Weather Statement National Weather Service Des Moines IA 211 AM CDT Tue Aug 20 2019 IAZ004>006-015>017-023>027-033>037-044>047-057-200815- Emmet-Kossuth-Winnebago-Palo Alto-Hancock-Cerro Gordo-Pocahontas- Humboldt-Wright-Franklin-Butler-Sac-Calhoun-Webster-Hamilton- Hardin-Crawford-Carroll-Greene-Boone-Audubon- Including the cities of Estherville, Algona, Forest City, Lake Mills, Emmetsburg, Garner, Britt, Kanawha, Mason City, Clear Lake, Pocahontas, Laurens, Rolfe, Fonda, Gilmore City, Humboldt, Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Sac City, Lake View, Odebolt, Wall Lake, Schaller, Early, Rockwell City, Manson, Lake City, Pomeroy, Fort Dodge, Webster City, Iowa Falls, Eldora, Ackley, Denison, Carroll, Jefferson, Boone, Audubon, and Exira 211 AM CDT Tue Aug 20 2019 ...Thunderstorms Beginning to Intensify Early this Morning... Thunderstorms are expanding in strength and coverage early this morning across western and northern Iowa and this trend will likely continue over the next few hours. Several storms will likely produce dime to nickel sized hail with larger more severe hail up to one to two inches or more possible later this morning. Damaging winds may occur as well. A Severe Thunderstorm Watch remains in effect until 7am. Small
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 2:35 AM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth, Wright | 40 min |
| Aug 20, 2:38 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Sac | 52 min |
| Aug 20, 2:49 AM CDT | Severe Thunderstorm Warning | DMX | Audubon, Carroll, Crawford | 41 min |
| Aug 20, 3:10 AM CDT | Severe Thunderstorm Warning | DMX | Emmet, Kossuth, Palo Alto | 35 min |
| Aug 20, 3:44 AM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 46 min |
| Aug 20, 3:48 AM CDT | Severe Thunderstorm Warning | DMX | Hancock, Humboldt, Kossuth, Wright | 42 min |
| Aug 20, 4:10 AM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Carroll, Greene | 50 min |
| Aug 20, 4:20 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin | 40 min |
| Aug 20, 4:33 AM CDT | Severe Thunderstorm Warning | DMX | Franklin, Hamilton, Hardin, Wright | 42 min |
| Aug 20, 4:35 AM CDT | Severe Thunderstorm Warning | DMX | Adair, Boone, Dallas, Greene, Guthrie, Madison | 40 min |
| Aug 20, 5:06 AM CDT | Flash Flood Warning | DMX | Hamilton, Humboldt, Webster, Wright | 5 hr |
| Aug 20, 5:29 AM CDT | Tornado Warning | DMX | Madison, Warren | 31 min |
| Aug 20, 5:32 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk, Warren | 33 min |
| Aug 20, 5:38 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Union, Warren | 28 min |
| Aug 20, 5:48 AM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 15 min |
| Aug 20, 5:55 AM CDT | Severe Thunderstorm Warning | DMX | Clarke, Jasper, Lucas, Mahaska, Marion, Monroe and 4 more | 65 min |
| Aug 20, 5:59 AM CDT | Tornado Warning | DMX | Lucas, Marion, Warren | 16 min |
| Aug 20, 6:34 AM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Lucas, Mahaska, Monroe, Wapello and 1 more | 56 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2019Every severe thunderstorm warning in 2019
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.