Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 114, NWS La Crosse, WI

June 18, 2001Winona County, Minnesota

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 18, 2001, 11:00 PM CDT for Winona County, Minnesota. It was in force for 45 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 18, 2001, 11:00 PM CDT (04:00 UTC)
Expired: Jun 18, 2001, 11:45 PM CDT
In force: 45 min
Issued by: NWS La Crosse, WI
Area: Whole counties

County Winona County, MN

The radar

The La Crosse radar (KARX), 51 km from the middle of the area, began a volume at 04:00 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
Jun 18, 11:00 PM CDT	Thunderstorm Wind 54 E	Altura, MN

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
Jun 18, 7:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.0 hours before the alert went out and 174 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: 2360 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1718 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 13.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KARX 190401
SVRLSE

MNC169-190445-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1100 PM CDT MON JUN 18 2001

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WINONA COUNTY IN SOUTHEAST MINNESOTA

* UNTIL 1145 PM CDT

* AT 1100 PM CDT...WEATHER SPOTTERS REPORTED 80 MPH WINDS            
  3 MILES SOUTHWEST OF LEWISTON...OR ABOUT 14 MILES SOUTHWEST        
  OF WINONA...MOVING EAST AT 80 MPH.

* THE SEVERE THUNDERSTORM IS EXPECTED TO BE...
  NEAR WINONA AT 1105 PM CDT...

TAKE SHELTER IMMEDIATELY...80 MPH WINDS ARE REPORTED WITH THIS STORM 
WHICH CAN DO MAJOR DAMAGE.  GET INDObORS! 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT TUESDAY MORNING 
FOR SOUTHEAST MINNESOTA AND WESTERN WISCONSIN.

$$

BAUMGARDT

LAT...LON 4416 9209 4386 9207 4386 9133 4403 9156
          4413 9176

&

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS La Crosse, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 9:43 PM CDT, 1 hour 17 minutes earlier.

Area forecast discussion, Jun 18, 9:43 PM CDT, 1 hour 17 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
943 PM CDT MON JUN 18 2001

WATCHES CONTINUES FOR COUNTY WARNING AREA AS FRONT APPROACHES FROM
THE WEST. STABILITY AXIS REMAINS JUST WEST OF WARNING AREA AHEAD OF
MAIN FRONTAL PUSH WITH 2000 J/KG AXIS FROM NORTH CENTRAL IOWA ACROSS
ALL OF SOUTHEAST MINNESOTA. SOME DIRECTIONAL SHEAR BUT GOOD SPEED
SHEAR WITH MID-LEVEL JET OF 50-70 KTS PUNCHING IN FROM SOUTHWEST.

WILL MONITOR LINE OF CONVECTION AS IT PUSHES EAST THIS EVENING AND
DROP WATCHES FROM WEST TO EAST. NO CHANGES EXPECTED THROUGH 1030 PM
THOUGH.

.LSE...NONE.

SHEA

In the hours before

Local storm report, Jun 18, 10:41 PM CDT, 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1041 PM CDT MON JUN 18 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1040 PM    POTSDAM                   MN   1 INCH HAIL
06/18/01   OLMSTED                        REPORTED BY SPOTTER. WIND
                                          GUSTS OF 45 MPH.

SHEA

Local storm report, Jun 18, 10:45 PM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1045 PM CDT MON JUN 18 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1044 PM    ST LUCAS                  IA   .88 INCH HAIL
06/18/01   FAYETTE                        REPORTED ON THE WINNESHIEK
                                          AND FAYETTE COUNTY LINE BY    t
                                          THE PUBLIC.

SHEA

Local storm report, Jun 18, 10:46 PM CDT, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1046 PM CDT MON JUN 18 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0720 PM    DODGE CENTER              MN   1 INCH HAIL
06/18/01   DODGE                          REPORTED BY OLMSTED EOC

0741 PM    2 NE BYRON                MN   1 INCH HAIL
06/18/01   OLMSTED                        REPORTED BY OLMSTED EOC

0802 PM    ROCHESTER                 MN   1.25 INCH HAIL
06/18/01   OLMSTED                        REPORTED BY OLMSTED EOC

0811 PM    WABASHA                   MN   1.25 INCH HAIL
06/18/01   WABASHA                        REPORTED BY OLMSTED EOC

0830 PM    STRUM                     WI   FUNNEL CLOUD
06/18/01   TREMPEALEAU                    REPORTED BY TREMPEALEAU
                                          COUNTY SHERIFF

0830 PM    THORP                     WI   1.75 INCH HAIL
06/18/01   CLARK                          CLARK COUNTY SHERIFF
                                          DEPARTMENT

0830 PM    THORP                     WI   4.5 INCH HAIL
06/18/01   CLARK                          REPORTED BY THORP HAMS

0843 PM    3 E STRUM                 WI   FUNNEL CLOUD
06/18/01   TREMPEALEAU                    REPORTED BY TREMPEALEAU
                                          COUNTY SHERIFF DEPARTMENT

0912 PM    2 NW  MANTORVILLE         MN   70 MPH WIND GUST
06/18/01   DODGE                          REPORTED BY OMSTED EOC

0914 PM    LYLE                      MN   FUNNEL CLOUD
06/18/01   MOWER                          REPORTED OLMSTED EOC

0921 PM    3 NW GENOA                MN   60 MPH WIND GUST
06/18/01   OLMSTED                        REPORTED BY OLMSTED EOC

0931 PM    2 N ST ANSGAR             IA   1 INCH HAIL
06/18/01   MITCHELL                       REPORTED BY MITCHELL COUNTY
                                          SHERIFF DEPARTMENT

0946 PM    BYRON                     MN   .75 INCH HAIL
06/18/01   OLMSTED                        REPORTED OLMSTED EOC

0957 PM    1 N MANTORVILLE           MN   .88 INCH HAIL
06/18/01   DODGE                          REPORTED BY DODGE SHERIFF
                                          DEPARTMENT

BOYNE

Local storm report, Jun 18, 10:51 PM CDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1051 PM CDT MON JUN 18 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1049 PM    DOVER                     MN   80 MPH WIND GUST
06/18/01   OLMSTED                        REPORTED BY SPOTTERS.
                                          MEASURED WIND GUST.

1051 PM    DOVER                     MN   1.25 INCH HAIL
06/18/01   OLMSTED                        REPORTED BY SPOTTERS ALONG
                                          INTERSTATE 90.

SHEA

Local storm report, Jun 18, 10:52 PM CDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1052 PM CDT MON JUN 18 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1049 PM    4 W WEST UNION            IA   1.75 INCH HAIL
06/18/01   FAYETTE                        RELAYED THROUGH SHERIFF
                                          DEPARTMENT FROM THE PUBLIC.

SHEA

Local storm report, Jun 18, 10:56 PM CDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1056 PM CDT MON JUN 18 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1054 PM    1 N ST CHARLES            MN   80 MPH WIND GUST
06/18/01   WINONA                         REPORTED BY SPOTTERS.

SHEA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:25 PM CDT	Severe Thunderstorm Warning	ARX	Olmsted	65 min
Jun 18, 7:51 PM CDT	Severe Thunderstorm Warning	ARX	Wabasha	54 min
Jun 18, 8:38 PM CDT	Severe Thunderstorm Warning	ARX	Dodge	52 min
Jun 18, 9:15 PM CDT	Severe Thunderstorm Warning	ARX	Olmsted	45 min
Jun 18, 9:20 PM CDT	Severe Thunderstorm Warning	ARX	Mower	55 min
Jun 18, 9:28 PM CDT	Severe Thunderstorm Warning	ARX	Wabasha	32 min
Jun 18, 9:34 PM CDT	Severe Thunderstorm Warning	ARX	Dodge	41 min
Jun 18, 9:43 PM CDT	Severe Thunderstorm Warning	ARX	Fillmore	47 min
Jun 18, 10:14 PM CDT	Severe Thunderstorm Warning	ARX	Dodge	46 min
Jun 18, 10:20 PM CDT	Severe Thunderstorm Warning	ARX	Houston, Winona	40 min
Jun 18, 10:23 PM CDT	Severe Thunderstorm Warning	ARX	Olmsted	67 min
Jun 18, 10:33 PM CDT	Severe Thunderstorm Warning	ARX	Mower	57 min
Jun 18, 10:42 PM CDT	Severe Thunderstorm Warning	ARX	Wabasha	48 min
Jun 19, 12:04 AM CDT	Severe Thunderstorm Warning	ARX	Winona	41 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2001 Every severe thunderstorm warning in 2001

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.