Alert archive / Iowa / Areal Flood Warnings in 2016
Areal Flood Warning 30, NWS La Crosse, WI
NWS La Crosse, WI issued this areal flood warning at Sep 23, 2016, 10:01 AM CDT for Crawford County, Richland County, Vernon County, Wisconsin; 8 counties in Iowa. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 23, 2016, 10:01 AM CDT (15:01 UTC)
- Expired
- Sep 23, 2016, 10:00 PM CDT
- In force
- 12 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Crawford County, WI, Richland County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 80 km from the middle of the area, began a volume at 15:02 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, 3.0 hours before the alert went out and 237 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 590 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS La Crosse, WI wrote its last area forecast discussion before this areal flood warning went out at Sep 23, 6:08 AM CDT, 3 hours 53 minutes earlier.
Area forecast discussion, Sep 23, 6:08 AM CDT, 3 hours 53 minutes before
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</html>The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 9:44 PM CDT | River Flood Warning | ARX | La Crosse, Vernon | 6 days |
| Sep 23, 12:00 AM CDT | Flash Flood Warning | ARX | Chickasaw, Clayton, Fayette, Floyd | 5 hr |
Nearby
Areal Flood Warnings in Iowa, 2016Areal Flood Warnings in Wisconsin, 2016Every areal flood warning in 2016
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.