Alert archive / Wisconsin / Tornado Warnings in 2000

Tornado Warning 2, NWS La Crosse, WI

May 11, 2000Crawford County, Wisconsin

NWS La Crosse, WI issued this tornado warning at May 11, 2000, 9:04 PM CDT for Crawford County, Wisconsin. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: May 11, 2000, 9:04 PM CDT (02:04 UTC)
Expired: May 11, 2000, 9:45 PM CDT
In force: 41 min
Issued by: NWS La Crosse, WI
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Crawford County, WI

What was reported inside it

Time	Report	Where	Remark
May 11, 9:15 PM CDT	Hail 0.75	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 11, 6:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.1 hours before the alert went out and 178 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: 2323 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 1261 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 218 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 13.9

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 120207
TORLSE
WIC023-120245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
904 PM CDT THU MAY 11 2000

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

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

* UNTIL 945 PM CDT

* AT 904 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO OVER EASTMAN...OR ABOUT 10 MILES NORTHEAST OF
  PRAIRIE DU CHIEN...MOVING EAST AT 30 MPH. THIS TAKES THE PLACE
  OF THE SEVERE THUNDERSTORM WARNING WHICH WAS ISSUED EARLIER FOR 
  THIS COUNTY.

* THE TORNADO IS EXPECTED TO BE...
  NEAR BARNUM AT 915 PM CDT
  NEAR PLUGTOWN AT 920 PM CDT

TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR!

BOYNE

LAT...LON 4319 9109 4310 9103 4318 9067 4332 9067

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 8:46 PM CDT	Severe Thunderstorm Warning	ARX	Crawford	59 min
May 12, 6:43 AM CDT	Severe Thunderstorm Warning	ARX	Crawford, Vernon	62 min
May 12, 7:17 AM CDT	Severe Thunderstorm Warning	ARX	Richland	43 min
May 12, 9:51 AM CDT	Severe Thunderstorm Warning	ARX	Juneau	24 min
May 12, 9:58 AM CDT	Severe Thunderstorm Warning	ARX	Adams	32 min

Nearby

Tornado Warnings in Wisconsin, 2000 Every tornado warning in 2000 Tornadoes in 2000

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.