Alert archive / Minnesota / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 72, NWS Twin Cities, MN

September 2, 1992Brown County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 2, 1992, 6:04 PM CDT for Brown County, Nicollet County, Minnesota. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Sep 2, 1992, 6:04 PM CDT (23:04 UTC)
Expired
Sep 2, 1992, 6:30 PM CDT
In force
26 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Brown County, MN, Nicollet County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 11.1 hours before the alert went out and 93 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 12:00Z on 1992-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1992-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
7 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
575 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRST 022306
SVRRST
MNC015-103-022330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
604 PM CDT WED SEP 2 1992
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  630 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL MINNESOTA
 
   ...BROWN COUNTY...WESTERN NICOLLET COUNTY
 
AT 600 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR FORT RIDGELY
STATE PARK...43 MILES NORTHWEST OF MANKATO. MOVEMENT OF THE THUNDERSTORM
WAS TO THE SOUTHEAST AT 40 MILES AN HOUR.
 
SOME TOWNS IN THE PATH OF THIS STORM ARE...NEW ULM...SLEEPY EYE AND ST
GEORGE.
 
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
WHEN THUNDERSTORMS ARE OCCURRING..MOVE INSIDE A STRONG BUILDING
DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES OR ELECTRICAL
APPLIANCES UNLESS IN AN EMERGENCY. REMEMBER SEVERE THUNDERSTORMS
CAN AND OCCASIONALLY DO PRODUCE TORNADOS WITH LITTLE OR NO WARNING.

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, Sep 2, 3:44 PM CDT, 2 hours 20 minutes before
MNZALL-022200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS ST PAUL MN
343 PM CDT WED SEP 2 1992

...TORNADO WARNING FOR POPE COUNTY UNTIL 4 PM...

A SEVERE THUNDERSTORM DEVELOPED RAPIDLY OVER POPE COUNTY SINCE
3 PM AND PRODUCED A TORNADO IN THE VICINITY OF CYRUS...ABOUT 20
MILES SOUTHWEST OF ALEXANDRIA SHORTLY AFTER 3 PM. MOVEMENT WAS
SOUTHEAST AT 40 MPH.

THE SEVERE THUNDERSTORM PRODUCING THE TORNADO WAS LOCATED NEAR GLENWOOD
AT 329 PM AND WILL BE AFFECTING THE COMMUNITY OF BROOTEN BY 4 PM.
PERSONS IN EASTERN POPE COUNTY SHOULD SEEK SHELTER NOW.

OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED ACROSS SOUTHEAST MINNESOTA
AND WEST CENTRAL WISCONSIN EAST OF A LINE FROM CHETHEK WISCONSIN TO
ROCHESTER IN MINNESOTA. MOVEMENT WAS NORTHEAST AT 25 MPH.
 DWE
Special weather statement, Sep 2, 4:39 PM CDT, 1 hour 25 minutes before
MNZALL-022245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
440 PM CDT WED SEP 2 1992

...TORNADO WARNING FOR ALL OF KANDIYOHI AND MEEKER COUNTY
UNTIL 5 PM...

A TORNADO PRODUCING THUNDERSTORM WAS MOVING THROUGH CENTRAL PORTIONS
OF KANDIYOHI...IN THE VICINITY OF WILLMAR. THE STORM PRODUCING THE
TORNADO WAS MOVING SOUTHEAST AT 40 MILES AN HOUR AND WILL BE A
AFFECTING THE AREA BETWEEN COSMOS AND OLIVIA BETWEEN 5 AND 5 30 PM.

ALSO...RAPID DEVELOPMENT OF THUNDERSTORMS WAS OCCURRING OVER
WESTERN RENVILLE COUNTY AT 435 PM. THESE STORMS WERE ALSO MOVING
SOUTHEAST AT 40 MILES AN HOUR.

PERSONS IN MCLEOD AND RENVILLE COUNTY SHOULD PREPARE TO MOVE TO
SAFE SHELTER WHEN ThHESE STORMS MOVE INTO YOUR AREA. LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

A TORNADO WATCH IS IN EFFECT FOR ABOUT THE SOUTHERN HALF OF THE
STATE UNTIL 9 PM.
 DWE

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 3:25 PM CDTTornado WarningMPXPope35 min
Sep 2, 3:56 PM CDTTornado WarningMPXKandiyohi, Stearns, Swift34 min
Sep 2, 4:36 PM CDTTornado WarningMPXKandiyohi, Meeker24 min
Sep 2, 5:05 PM CDTTornado WarningMPXKandiyohi, Meeker25 min
Sep 2, 5:18 PM CDTTornado WarningMPXMcLeod, Renville42 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1992Every severe thunderstorm warning in 1992

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.