Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 191, NWS Twin Cities, MN

August 25, 1996Le Sueur County, Rice County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 25, 1996, 8:31 PM CDT for Le Sueur County, Rice County, Minnesota. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 25, 1996, 8:31 PM CDT (01:31 UTC)
Expired
Aug 25, 1996, 9:15 PM CDT
In force
44 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Le Sueur County, MN, Rice County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.5 hours before the alert went out and 55 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 1996-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3008 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 1996-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.193958Sfc1 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
3008 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1140 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 260132
SVRMSP
MNC079-131-260215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
831 PM CDT SUN AUG 25 1996

* SEVERE THUNDERSTORM WARNING FOR
  NORTHERN LE SUEUR COUNTY - SOUTH CENTRAL MINNESOTA
  NORTHERN RICE COUNTY - SOUTHEAST MINNESOTA

* UNTIL 915 PM CDT
 
* SOME LOCATIONS AFFECTED
    LONESDALE
    LITTLE CHICAGO
    NEW PRAGUE
    HEIDELBERG

* AT AT 726 PM CDT DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM 30
  MILES SOUTH OF MINNEAPOLIS OR NEAR WEBSTER MOVING SOUTHEAST AT 20
  MPH.

THIS IS A DANGEROUS STORM...WITH LARGE HAIL. STAY INDOORS AWAY FROM
WINDOWS.

JVM

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.

In the hours before

Special weather statement, Aug 25, 4:35 PM CDT, 3 hours 56 minutes before
MNZ051>053-057>063-065>070-073>078-080>084-WIZ014-015-023>025-232135-

...SEVERE THUNDERSTORM RISK FOR WEST CENTRAL WISCONSIN AND SOUTH
MINNESOTA INTO THIS SUNDAY EVENING...

THE THREAT OF SEVERE THUNDERSTORMS HAS INCREASED SUBSTANTIALLY
ACROSS PART OF WEST WISCONSIN AND MUCH OF SOUTH AND EASTCENTRAL
MINNESOTA FOR THIS SUNDAY AFTERNOON INTO THIS SUNDAY EVENING.

THUNDERSTORMS HAVE DEVELOPED FROM NEAR ROBERTS IN ST. CROIX COUNTY
IN WISCONSIN...SOUTHWEST TO NEAR APPLE VALLEY IN DAKOTA COUNTY OF
MINNESOTA OVER THE PAST 15 MINUTES.

A LARGER AREA OF THUNDERSTORM ACTIVITY OVER CENTRAL MINNESOTA IS
JUST BEGINNING TO DRIFT INTO NORTHERN WRIGHT AND ANOKA COUNTIES.

THUNDERSTORM ACTIVITY IS LIKELY TO INTENSIFY RAPIDLY OVER THE TWIN
CITES BETWEEN 430 PM AND 6 PM AND THERE APPEARS TO BE A STRONG
LIKELIHOOD OF LARGE HAIL WITH SOME OF THESE THUNDERSTORMS.
THIS IS THE TIME TO THINK ABOUT MOVING A CAR INTO THE GARAGE IF ITS
OUT IN THE DRIVEWAY.

ALONG WITH THE LARGE HAIL RISK...SOME LOCALLY DAMAGING WINDS ARE
POSSIBLE FROM A FEW OF THESE STORMS THROUGH ABOUT 9 PM THIS SUNDAY
EVENING.
 WET
Special weather statement, Aug 25, 4:39 PM CDT, 3 hours 52 minutes before
MNZ053-058>063-065>070-073>078-081>083-WIZ014-015-023>025-252135-

SPECIAL WEATHER STATEMENT...CORRECTED FOR HEADING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
435 PM CDT SUN AUG 25 1996

...SEVERE THUNDERSTORM RISK FOR WEST CENTRAL WISCONSIN AND SOUTH
MINNESOTA INTO THIS SUNDAY EVENING...

THE THREAT OF SEVERE THUNDERSTORMS HAS INCREASED SUBSTANTIALLY
ACROSS PART OF WEST WISCONSIN AND MUCH OF SOUTH AND EASTCENTRAL
MINNESOTA FOR THIS SUNDAY AFTERNOON INTO THIS SUNDAY EVENING.

THUNDERSTORMS HAVE DEVELOPED FROM NEAR ROBERTS IN ST. CROIX COUNTY
IN WISCONSIN...SOUTHWEST TO NEAR APPLE VALLEY IN DAKOTA COUNTY OF
MINNESOTA OVER THE PAST 15 MINUTES.

A LARGER AREA OF THUNDERSTORM ACTIVITY OVER CENTRAL MINNESOTA IS
JUST BEGINNING TO DRIFT INTO NORTHERN WRIGHT AND ANOKA COUNTIES.

THUNDERSTORM ACTIVITY IS LIKELY TO INTENSIFY RAPIDLY OVER THE TWIN
CITES BETWEEN 430 PM AND 6 PM AND THERE APPEARS TO BE A STRONG
LIKELIHOOD OF LARGE HAIL WITH SOME OF THESE THUNDERSTORMS.
THIS IS THE TIME TO THINK ABOUT MOVING A CAR INTO THE GARAGE IF ITS
OUT IN THE DRIVEWAY.

ALONG WITH THE LARGE HAIL RISK...SOME LOCALLY DAMAGING WINDS ARE
POSSIBLE FROM A FEW OF THESE STORMS THROUGH ABOUT 9 PM THIS SUNDAY
EVENING.
 TOGSTAD

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 25, 7:39 PM CDTSevere Thunderstorm WarningMPXDakota61 min
Aug 25, 7:55 PM CDTSevere Thunderstorm WarningMPXGoodhue60 min
Aug 25, 8:00 PM CDTSevere Thunderstorm WarningMPXScott45 min
Aug 25, 8:51 PM CDTSevere Thunderstorm WarningMPXGoodhue69 min
Aug 25, 9:10 PM CDTSevere Thunderstorm WarningMPXRice50 min
Aug 25, 10:03 PM CDTSevere Thunderstorm WarningMPXRice57 min
Aug 25, 11:06 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice34 min
Aug 26, 12:09 AM CDTSevere Thunderstorm WarningMPXDakota31 min
Aug 26, 12:48 AM CDTFlash Flood WarningMPXLe Sueur, Rice, Steele, Waseca3 hr
Aug 26, 12:48 AM CDTFlash Flood WarningMPXBlue Earth, Nicollet3 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.