Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 99, NWS La Crosse, WI

June 18, 2001Dodge County, Minnesota

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 18, 2001, 8:38 PM CDT for Dodge County, Minnesota. It was in force for 52 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, 8:38 PM CDT (01:38 UTC)
Expired: Jun 18, 2001, 9:30 PM CDT
In force: 52 min
Issued by: NWS La Crosse, WI
Area: Whole counties

County Dodge County, MN

The radar

The Minneapolis radar (KMPX), 107 km from the middle of the area, began a volume at 01:37 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, 9:12 PM CDT	Thunderstorm Wind 61 M	Mantorville, 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, 1.6 hours before the alert went out and 109 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 190138
SVRLSE
MNC039-190230-

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

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

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

* UNTIL 930 PM CDT

* AT 838 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF CLAREMONT...OR ABOUT 11
  MILES WEST OF DODGE CENTER...MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM IS EXPECTED TO BE...
  NEAR DODGE CENTER AT 850 PM CDT...
  NEAR WEST CONCORD AT 855 PM CDT...
  NEAR MANTORVILLE...AND KASSON AT 900 PM CDT...

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

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND GUSTS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN.| FOR
YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.

$$

BAUMGARDT

LAT...LON 4405 9322 4393 9269 4419 9267 4421 9298

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, 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 18, 11:00 PM CDT	Severe Thunderstorm Warning	ARX	Winona	45 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.