Alert archive / Minnesota / Tornado Warnings in 1997

Tornado Warning 3, NWS La Crosse, WI

June 19, 1997Fillmore County, Minnesota

NWS La Crosse, WI issued this tornado warning at Jun 19, 1997, 9:03 PM CDT for Fillmore County, Minnesota. It was in force for 62 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 19, 1997, 9:03 PM CDT (02:03 UTC)
Expired
Jun 19, 1997, 10:05 PM CDT
In force
62 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County Fillmore County, MN

The radar

The La Crosse radar (KARX), 74 km from the middle of the area, began a volume at 02:05 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

TimeReportWhereRemark
Jun 19, 9:07 PM CDTTornado F0Harmony, 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 nearest sounding before it

Minneapolis, MN (KMPX), 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 1997-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 528 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 1997-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 200 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
528 J/kg
Mixed-layer CIN
-166 J/kg
Mixed-layer LCL
702 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
200 m²/s²
0-3 km storm-relative helicity
313 m²/s²
Significant tornado parameter
0.2
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLSE 200204 RRA
TORLSE
MNC045-200305-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
903 PM CDT THU JUN 19 1997

* TORNADO WARNING FOR
    SOUTHERN FILLMORE COUNTY - SOUTHEASTERN MINNESOTA

* UNTIL 1005 PM CDT
 
* SOME LOCATIONS AFFECTED
    HARMONY AND CANTON

* AT 9PM STORM SPOTTERS REPORTED A TORNADO 28 MILES SOUTHEAST OF
  ROCHESTER OR JUST NORTHWEST OF HARMONY. THE STORM WAS MOVING EAST
  AT 15 MPH.

* THE STORM WIvLL BE NEAR HARMONY BY 910 PM.

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

RACY/NELSON
 

&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 7:50 PM CDTSevere Thunderstorm WarningARXFillmore65 min
Jun 19, 8:54 PM CDTSevere Thunderstorm WarningARXFillmore66 min
Jun 19, 9:36 PM CDTSevere Thunderstorm WarningARXHouston64 min
Jun 19, 10:40 PM CDTSevere Thunderstorm WarningARXHouston35 min

Nearby

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