Alert archive / Wisconsin / Flash Flood Warnings in 1997
Flash Flood Warning 10, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Aug 23, 1997, 8:06 PM CDT for Winona County, Minnesota; La Crosse County, Trempealeau County, Wisconsin. It was in force for 3 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
- Aug 23, 1997, 8:06 PM CDT (01:06 UTC)
- Expired
- Aug 23, 1997, 11:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
Counties Winona County, MN, La Crosse County, WI, Trempealeau County, WI
The radar
The La Crosse radar (KARX), 33 km from the middle of the area, began a volume at 01:07 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 00:00Z, 1.1 hours before the alert went out and 194 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
- 3368 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1119 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 12.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLSE 240107
FFWLSE
MNC169-WIC011-063-121-240400-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
806 PM CDT SAT AUG 23 1997
* FLASH FLOOD WARNING FOR
BUFFALO COUNTY - WEST CENTRAL WISCONSIN
SOUTHERN TREMPEALEAU COUNTY - WEST CENTRAL WISCONSIN
LA CROSSE COUNTY - WEST CENTRAL WISCONSIN
EASTERN WINONA COUNTY - SOUTHEASTERN MINNESOTA
* UNTIL 1100 PM CDT
* SOME LOCATIONS OR STREAMS AFFECTED
WINONA
LA CROSSE
CENTERVILLE
FOUNTAIN CITY
* CAUSE AND EFFECT...
SEVERE THUNDERSTORMS HAVE PRODUCED VERY HEAVY RAINFALL ACROSS
THE WARNED COUNTIES. RADAR ESTIMATED 2 TO 3 INCHES HAVE
FALLEN IN PORTIONS OF SOUTHERN BUFFALO...WITH 1 TO 2 INCHES IN
EASTERN WINONA. STREET FLOODING HAS BEEN REPORTED IN WINONA AND
LA CROSSE.
* FORECAST CONDITIONS...
AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS POSSIBLE FOR THE NEXT
2 TO 3 HOURS
LEAVE FLOOD PRONE AND LOW LYING AREAS IMMEDIATELY.
RIECK
&The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 7:03 PM CDT | Tornado Warning | ARX | Winona | 37 min |
| Aug 23, 7:34 PM CDT | Tornado Warning | ARX | Winona | 46 min |
| Aug 23, 8:18 PM CDT | Severe Thunderstorm Warning | ARX | Houston | 62 min |
| Aug 23, 8:20 PM CDT | Tornado Warning | ARX | Winona | 60 min |
| Aug 23, 8:58 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore | 47 min |
| Aug 23, 9:06 PM CDT | Tornado Warning | ARX | Houston | 34 min |
| Aug 23, 9:59 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore | 46 min |
| Aug 23, 7:25 PM CDT | Tornado Warning | ARX | Buffalo | 45 min |
| Aug 23, 7:33 PM CDT | Tornado Warning | ARX | La Crosse | 32 min |
| Aug 23, 7:54 PM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 66 min |
| Aug 23, 8:00 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse | 60 min |
| Aug 23, 8:06 PM CDT | Flash Flood Warning | ARX | Buffalo | 3 hr |
Nearby
Flash Flood Warnings in Wisconsin, 1997Flash Flood Warnings in Minnesota, 1997Every flash flood warning in 1997
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.