Alert archive / Wisconsin / Tornado Warnings in 1997
Tornado Warning 10, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at Jul 1, 1997, 11:58 PM CDT for Clark County, Wisconsin. It was in force for 47 min. 6 reports 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, 11:58 PM CDT (04:58 UTC)
- Expired
- Jul 2, 1997, 12:45 AM CDT
- In force
- 47 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Clark County, WI
The radar
The La Crosse radar (KARX), 111 km from the middle of the area, began a volume at 05:00 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 2, 12:00 AM CDT | Hail 1.75 | Mead Lake, WI | |
| Jul 2, 12:28 AM CDT | Thunderstorm Wind 56 | Granton, WI | |
| Jul 2, 12:30 AM CDT | Thunderstorm Wind 61 | Loyal, WI | |
| Jul 2, 12:33 AM CDT | Thunderstorm Wind 78 | Loyal, WI | |
| Jul 2, 12:43 AM CDT | Thunderstorm Wind 61 | Chili, WI | |
| Jul 2, 12:45 AM CDT | Thunderstorm Wind 61 | Loyal, 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, 10:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 5.0 hours before the alert went out and 201 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
- 603 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 774 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLSE 020459 RRA
TORLSE
WIC019-020545-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1158 PM CDT TUE JUL 1 1997
* TORNADO WARNING FOR
SOUTHERN CLARK COUNTY - CENTRAL WISCONSIN
* UNTIL 1245 AM CDT
* SOME LOCATIONS AFFECTED
NEILLSVILLE
LYNN
GRANTON
* AT 1155 NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO 10 MILES NORTHWEST OF NEILLSVILL OR 40 MILES WEST OF
WISCONSIN RAPIDS. THE STORM WAS MOVING EAST AT 25 MPH.
* THE STORM WILL BE NEAR GRANTON BY 1210 PM.
* NEAR LYNN BY 1215
IF YOU ARE NEAR THIS DANGEROUS STORM...TAKE COVER IMMEDIATELY IN
THE LOWEST FLOOR AND INNER MOST ROOM OF A BUILDING.
BREESER
&The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 10:17 PM CDT | Tornado Warning | ARX | Crawford, Vernon | 43 min |
| 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 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.