Alert archive / Iowa / Flood Watches in 2022
Flood Watch 2, NWS Des Moines, IA
NWS Des Moines, IA issued this flood watch at Aug 6, 2022, 2:59 PM CDT for 7 counties in Iowa. It took effect at Aug 6, 2022, 10:00 PM CDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Aug 6, 2022, 2:59 PM CDT (19:59 UTC)
- In effect from
- Aug 6, 2022, 10:00 PM CDT
- Expired
- Aug 7, 2022, 10:00 AM CDT
- In force
- 12 hr
- Issued by
- NWS Des Moines, IA
- Flood severity
- None
Counties Cerro Gordo County, IA, Emmet County, IA, Hancock County, IA, Kossuth County, IA, Palo Alto County, IA, Winnebago County, IA, Worth County, IA
The radar
The Des Moines radar (KDMX), 167 km from the middle of the area, began a volume at 20:00 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.0 hours before the alert went out and 183 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
- 733 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 935 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 220 m²/s²
- 0-3 km storm-relative helicity
- 235 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood watch 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 flood watch went out at Aug 6, 12:46 PM CDT, 2 hours 13 minutes earlier.
Area forecast discussion, Aug 6, 12:46 PM CDT, 2 hours 13 minutes before
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</html>Hazardous weather outlook, Aug 6, 3:58 AM CDT, 11 hours 1 minute before
Hazardous Weather Outlook National Weather Service Des Moines IA 358 AM CDT Sat Aug 6 2022 IAZ023>028-033>039-044>050-057>062-070>075-081>086-092>097-070900- Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun- Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene- Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper- Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union- Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne- Appanoose-Davis- 358 AM CDT Sat Aug 6 2022 This Hazardous Weather Outlook is for portions of central and south central Iowa. .DAY ONE...Today and tonight A Heat Advisory is in effect for the area today. Please refer to the National Weather Service website at weather.gov/desmoines for further details. Thunderstorms are possible tonight. An isolated severe storm with 60 mph winds may occur. Locally heavy rainfall is possible, mainly north of Highway 30. .DAYS TWO THROUGH SEVEN...Sunday through Friday Thunderstorm chances will continue Sunday through Monday morning. The overall threat for severe weather is low but locally heavy rainfall remains possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated today. IAZ004>007-015>017-070900- Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- 358 AM CDT Sat Aug 6 2022 This Hazardous Weather Outlook is for portions of north central Iowa. .DAY ONE...Today and tonight Thunderstorms are possible this afternoon and overnight. A few severe storms with damaging wind gusts are possible. Locally heavy rainfall may also occur. .DAYS TWO THROUGH SEVEN...Sunday through Friday Thunderstorms chances continue Sunday and Sunday night with a few areas of heavy rain again possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is possible later this afternoon and tonight.
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 3:25 PM CDT | Heat Advisory | DMX | Adair, Adams, Appanoose, Cass, Clarke, Davis and 9 more | 29 hr |
| Aug 6, 4:57 PM CDT | Severe Thunderstorm Warning | DMX | Kossuth, Palo Alto | 48 min |
| Aug 6, 5:47 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Kossuth | 43 min |
| Aug 6, 5:57 PM CDT | Severe Thunderstorm Warning | DMX | Hancock, Kossuth | 48 min |
| Aug 6, 6:34 PM CDT | Special Weather Statement | DMX | Hancock | 41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.