Alert archive / Wisconsin / Tornado Warnings in 2002

Tornado Warning 8, NWS La Crosse, WI

May 8, 2002Crawford County, Wisconsin

NWS La Crosse, WI issued this tornado warning at May 8, 2002, 8:37 PM CDT for Crawford County, Wisconsin. It was in force for 53 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: May 8, 2002, 8:37 PM CDT (01:37 UTC)
Expired: May 8, 2002, 9:30 PM CDT
In force: 53 min
Issued by: NWS La Crosse, WI
Area: Whole counties

County Crawford County, WI

What was reported inside it

Time	Report	Where	Remark
May 8, 8:57 PM CDT	Thunderstorm Wind 52 E	Eastman, 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
May 8, 6:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.6 hours before the alert went out and 184 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: 1642 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 951 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 227 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 6.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 090137
TORLSE
WIC023-090230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
837 PM CDT WED MAY 8 2002

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  CRAWFORD COUNTY IN SOUTHWEST WISCONSIN

* UNTIL 930 PM CDT

* AT 836 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 19 MILES NORTH OF PRAIRIE DU CHIEN...OR ABOUT 
  7 MILES SOUTHEAST OF LANSING...MOVING EAST AT 20 MPH.

* THE DEVELOPING TORNADO IS EXPECTED TO BE...
  NEAR MOUNT STERLING AT 850 PM CDT

THIS STORM HAS A HISTORY OF PRODUCING A TORNADO. GO TO THE BASEMENT
IF A BASEMENT IS NOT AVAILABLE...GO TO AN INTERIOR ROOM ON THE LOWEST
FLOOR

BOYNE

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 7:35 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	55 min
May 8, 9:25 PM CDT	Severe Thunderstorm Warning	ARX	Richland	65 min
May 8, 9:41 PM CDT	Flash Flood Warning	ARX	Crawford	3 hr
May 8, 9:59 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Monroe	61 min
May 8, 10:22 PM CDT	Flash Flood Warning	ARX	Richland	4 hr

Nearby

Tornado Warnings in Wisconsin, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.