Alert archive / Wisconsin / Tornado Warnings in 1997

Tornado Warning 2, NWS La Crosse, WI

June 15, 1997Vernon County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jun 15, 1997, 3:38 PM CDT for Vernon County, Wisconsin. It was in force for 32 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: Jun 15, 1997, 3:38 PM CDT (20:38 UTC)
Expired: Jun 15, 1997, 4:10 PM CDT
In force: 32 min
Issued by: NWS La Crosse, WI
Area: Whole counties

County Vernon County, WI

The radar

The La Crosse radar (KARX), 38 km from the middle of the area, began a volume at 20:42 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
Jun 15, 3:49 PM CDT	Thunderstorm Wind 70	Newry, 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 nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.6 hours before the alert went out and 221 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1379 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

807 
WFUS1 KLSE 152039 RRA
TORLSE
WIC123-152110-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
338 PM CDT SUN JUN 15 1997

* TORNADO WARNING FOR
    EASTERN VERNON COUNTY - SOUTHWESTERN WISCONSIN

* UNTIL 410 PM CDT
 
* SOME LOCATIONS AFFECTED
    WESTBY...ROCKTON

* AT 336 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 22 MILES SOUTHEAST OF LA CROSSE OR NEAR WESTBY. THE STORM
  WAS MOVING EAST AT 40 MPH.

* THE STORM WILL BE DELL...ROCKTON...ONTARIO BY 350 PM AND MT.
  TABOR...HILLSBORO BY 4PM.

IF YOU ARE NEAR THIS DANGEROUS STORM...TAKE COVER IMMEDIATELY IN
THE LOWEST FLOOR AND INNER MOST ROOM OF A BUILDING.

RACY

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 15, 2:53 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse, Vernon	37 min
Jun 15, 3:02 PM CDT	Severe Thunderstorm Warning	ARX	Vernon	48 min
Jun 15, 3:57 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Richland	63 min
Jun 15, 4:06 PM CDT	Severe Thunderstorm Warning	ARX	Juneau	54 min
Jun 15, 4:10 PM CDT	Severe Thunderstorm Warning	ARX	Grant	65 min
Jun 15, 4:20 PM CDT	Severe Thunderstorm Warning	ARX	Adams	60 min
Jun 15, 4:38 PM CDT	Severe Thunderstorm Warning	ARX	Clark	62 min
Jun 15, 5:02 PM CDT	Severe Thunderstorm Warning	ARX	Richland	18 min
Jun 15, 5:12 PM CDT	Severe Thunderstorm Warning	ARX	Grant	63 min
Jun 15, 6:38 PM CDT	Severe Thunderstorm Warning	ARX	Grant	47 min

Nearby

Tornado Warnings in Wisconsin, 1997 Every tornado warning in 1997 Tornadoes 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.