Alert archive / Iowa / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 164, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Aug 5, 2019, 5:34 PM CDT for Emmet County, Iowa. It was in force for 24 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 5, 2019, 5:34 PM CDT (22:34 UTC)
- Expired
- Aug 5, 2019, 5:58 PM CDT
- In force
- 24 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Emmet County, IA
The radar
The Sioux Falls radar (KFSD), 167 km from the middle of the area, began a volume at 22:37 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 5, 3:16 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.6 hours before the alert went out and 185 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
- 1431 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1018 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 5, 3:39 PM CDT, 1 hour 55 minutes earlier.
Area forecast discussion, Aug 5, 3:39 PM CDT, 1 hour 55 minutes before
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</html>Hazardous weather outlook, Aug 5, 3:51 PM CDT, 1 hour 43 minutes before
Hazardous Weather Outlook National Weather Service Des Moines IA 351 PM CDT Mon Aug 5 2019 IAZ004>007-015>017-023>028-034>039-047>050-062100- Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Calhoun-Webster- Hamilton-Hardin-Grundy-Black Hawk-Boone-Story-Marshall-Tama- 351 PM CDT Mon Aug 5 2019 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...This afternoon and tonight An enhanced risk for severe thunderstorms is forecast tonight where damaging winds and large hail look to be the main threat. Locally heavy rain is also possible. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Thunderstorms chances are forecast Wednesday night into Thursday. An isolated severe storms are possible with hail and damaging wind threat. .SPOTTER INFORMATION STATEMENT... Spotters are likely to be needed at times tonight and maybe again Wednesday into Thursday. IAZ033-044>046-057>062-070>075-081>086-092>097-062100- Sac-Crawford-Carroll-Greene-Audubon-Guthrie-Dallas-Polk-Jasper- Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union- Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne- Appanoose-Davis- 351 PM CDT Mon Aug 5 2019 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...This afternoon and tonight A slight risk for severe thunderstorms is forecast late tonight where strong winds and hail look to be the main threat. Locally heavy rain is also possible. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Thunderstorms chances are forecast Wednesday night into Thursday. An isolated severe storms are possible with hail and damaging wind threat. .SPOTTER INFORMATION STATEMENT... Spotters are likely to be needed at times tonight and maybe again Wednesday into Thursday. KLP
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.