Alert archive / Wisconsin / Tornado Warnings in 1997
Tornado Warning 6, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at Jul 1, 1997, 10:17 PM CDT for Crawford County, Vernon County, Wisconsin. It was in force for 43 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 1, 1997, 10:17 PM CDT (03:17 UTC)
- Expired
- Jul 1, 1997, 11:00 PM CDT
- In force
- 43 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
Counties Crawford County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 52 km from the middle of the area, began a volume at 03:20 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 10:55 PM CDT | Thunderstorm Wind 52 | Ferryville, WI |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 1, 7:45 PM CDT | Tornado Watch | SPC | 5 hr |
| Jul 1, 8:45 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 3.3 hours before the alert went out and 202 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
- 1089 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 1458 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLSE 020318 RRA
TORLSE
WIC023-123-020500-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1017 PM CDT TUE JUL 1 1997
* TORNADO WARNING FOR
SOUTHERN VERNON COUNTY - SOUTHWESTERN WISCONSIN
CRAWFORD COUNTY - SOUTHWESTERN WISCONSIN
* UNTIL 1100 PM CDT
* SOME LOCATIONS AFFECTED
VICTORY
FERRYVILLE
DE SOTO
MT. STERLING
* AT 1016 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDER\STORM JUST WEST OF FERRYVILLE OR 33 MILES SOUTH OF
LA CROSSE. THE STORM WAS MOVING EAST AT 20 MPH.
* THE STORM WILL BE NEAR FERRYVILLE AND DE SOTO BY 1030 PM..
TAKE SHELTER IMMEDIATELY IN A TORNADO SHELTER.
KINGThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 10:26 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 64 min |
| Jul 1, 11:01 PM CDT | Tornado Warning | ARX | Crawford | 49 min |
| Jul 1, 11:10 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 65 min |
| Jul 1, 11:31 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 59 min |
| Jul 1, 11:36 PM CDT | Severe Thunderstorm Warning | ARX | Richland | 64 min |
| Jul 1, 11:50 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 60 min |
| Jul 1, 11:52 PM CDT | Severe Thunderstorm Warning | ARX | Crawford | 63 min |
| Jul 1, 11:58 PM CDT | Tornado Warning | ARX | Clark | 47 min |
| Jul 2, 12:34 AM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 66 min |
| Jul 2, 1:29 AM CDT | Severe Thunderstorm Warning | ARX | Clark, Jackson | 51 min |
Nearby
Tornado Warnings in Wisconsin, 1997Every tornado warning in 1997Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.