Alert archive / Minnesota / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 20, NWS Twin Cities, MN

May 24, 1989Dodge County, Mower County, Olmsted County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 24, 1989, 4:03 PM CDT for Dodge County, Mower County, Olmsted County, Minnesota. It was in force for 27 min. 2 reports 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
May 24, 1989, 4:03 PM CDT (21:03 UTC)
Expired
May 24, 1989, 4:30 PM CDT
In force
27 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Dodge County, MN, Mower County, MN, Olmsted County, MN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
May 24, 4:05 PM CDTHail 0.75Olmsted, MN
May 24, 4:06 PM CDTHail 1Dodge, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 9.1 hours before the alert went out and 129 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 1989-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 134 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 12:00Z on 1989-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 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
134 J/kg
Mixed-layer CIN
-631 J/kg
Mixed-layer LCL
1132 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
211 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 242104
SVRRST
MNC039-099-109-242130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
403 PM CDT WED MAY 24 1989
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHEAST MINNESOTA
          ...SOUTHERN DODGE...NORTHERN MOWER...SOUTHWESTERN OLMSTED
 
...THIS WARNING INCLUDES THE TOWNS OF HAYFIELD AND ROCHESTER
MINNESOTA...
 
WEATHER SERVICE RADAR INDICATES A SEVERE THUNDERSTORM AT 300 PM CDT
WAS LOCATED 10 MILES NORTH OF AUSTIN MINNESOTA.  THE STORM IS MOVING
NORTHEAST AT 30 MPH.
 
 
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.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND 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.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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, May 24, 12:43 PM CDT, 3 hours 20 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1240 PM CDT WED MAY 24 1989

...STRONG THUNDERSTORMS CONTINUE ACROSS SOUTHERN AND CENTRAL MINNESOTA..

AT 1235 PM..STRONG THUNDERSTORMS STRETCHED ACROSS THE TWIN CITIES
METROPOLITAN AREA AND ON NORTH TOWARD ELK RIVER..PRINCETON AND LAKE MILLE
LACS. ANOTHER THUNDERSTORM PRODUCING VERY HEAVY HEAVY WAS LOCATED JUST
SOUTHWEST OF LITCHFIELD.

NO WARNINGS ARE CURRENTLY IN EFFECT FOR THIS ACTIVITY BUT STRONG GUSTY
WINDS..SMALL HAIL..FREQUENT LIGHTNING STRIKES AND LOCALLY VERY HEAVY
RAINS ARE LIKELY AS THESE STORMS MOVE TO THE NORTHEAST AT 25 TO 30 MILES
AN HOUR.

A TORNADO WATCH REMAINS IN EFHFECT FOR A LARGE PORTION OF SOUTHERN AND
EAST CENTRAL MINNESOTA AS WELL AS THE NORTHWEST PART OF WISCONSIN UNTIL
800 PM CDT. PERSONS SHOULD REMAIN ALERT AND LISTEN FOR STATEMENTS AND
POSSIBLE WARNINGS.
Special weather statement, May 24, 1:35 PM CDT, 2 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
135 PM CDT WED MAY 24 1989

...TORNADO WATCH UNTIL 8 PM CDT...
...THUNDERSTORMS WITH HEAVY RAINFALL IN WESTERN STEARNS COUNTY...

AT 130 PM CDT THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE LOCATED IN
WESTERN STEARNS COUNTY MINNESOTA. THE THUNDERSTORMS WITH THE GREATEST
THREAT OF PRODUCING HEAVY RAIN...HAIL AND STRONG WINDS WERE IN AN
AREA FROM NEAR PAYNESVILLE...TO WEST OF ALBANY...ABOUT 25 MILES WEST
OF ST. CLOUD. DANGEROUS LIGHTNING WILL ALSO ACCOMPANY THESE STORMS.
THE STORMS HAVE BEEN MOVING NORTHEAST AT 25 MPH.

GOLFERS SHOULD STAY IN THE CLUB HOUSE...FISHERPERSONS SHOULD BE OFF
THE LAKES...IN FACT THE BEST ADVICE IS FOR ANYONE IN THE VICINITY
OF THESE THUNDERSTORMS TO BE INDOORS...AWAY FROM WINDOWS AND OFF THE
TELEPHONE.

WDV
Special weather statement, May 24, 2:23 PM CDT, 1 hour 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
225 PM CDT WED MAY 24 1989

...TORNADO WATCH UNTIL 8PM CDT IN CENTRAL MINNESOTA...
...THUNDERSTORMS APPROACHING MILLE LACS LAKE...

AT 120PM CDT THUNDERSTORMS...SOME WITH STRONG GUSTY WINDS...POSSIBLE
SMALL HAIL AND DANGEROUS LIGHTNING WERE APPROACHING MILLE LACS LAKE.
BOATERS ON THE LAKE ON THE LAKE SHOULD HEAD FOR SHORE IMMEDIATELY.
THE THUNDERSTORMS WILL COVER MOST OF THE LAKE UNTIL 430 PM THIS
AFTERNOON.

WDV
Special weather statement, May 24, 2:24 PM CDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION TO TIME IN 1ST LINE
NATIONAL WEATHER SERVICE ST CLOUD MN
225 PM CDT WED MAY 24 1989

...TORNADO WATCH UNTIL 8PM CDT IN CENTRAL MINNESOTA...
...THUNDERSTORMS APPROACHING MILLE LACS LAKE...

AT 220PM CDT THUNDERSTORMS...SOME WITH STRONG GUSTY WINDS...POSSIBLE
SMALL HAIL AND DANGEROUS LIGHTNING WERE APPROACHING MILLE LACS LAKE.
BOATERS ON THE LAKE ON THE LAKE SHOULD HEAD FOR SHORE IMMEDIATELY.
THE THUNDERSTO RMS WILL COVER MOST OF THE LAKE UNTIL 430 PM THIS
AFTERNOON.

WDV
Special weather statement, May 24, 2:55 PM CDT, 1 hour 8 minutes before
KMSP 241946

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
245 PM CDT WED MAY 24 1989

STRONG THUNDERSTORMS CONTINUE ACROSS CENTRAL AND SOUTHEAST MINNESOTA
AND HAD MOVED INTO WEST CENTRAL AND NORTHWEST PARTS OF WISCONSIN.

AT 235 PM..WEATHER RADAR WAS SHOWING STRONG THUNDERSTORMS ACROSS
CENTRAL MINNESOTA MAINLY IN AREAS NORTH OF ST CLOUD. SOME OF THESE STORMS
HAVE BECOME SEVERE WHERE A WARNING HAS BEEN ISSUED FOR PARTS OF BENTON
AND MORRISON COUNTIES UNTIL 315 PM THIS AFTERNOON.

MOVMENT ON THIS ACTIVITY WAS NORTHEAST AT 25 MILES AN HOUR.

OTHER STRONG THUNDERSTORMS WERE OCCURRING OVER WEST CENTRAL WISCONSIN
WHERE HAIL UP TO MARBLE SIZE WAS REPORTED AT RIVER FALLS AROUND 2 PM.

WEATHER RADAR SHOWED MOST OF THE THUNDERSTORMS JUST WEST AND SOUTHWEST
OF EAU CLAIRE FROM DURAND TO MENOMONIE AND WHEELER. ANOTHER STRONG
THUNDERSTORM WAS LOCATED IN BARRON COUNTY TO THE NORTHWEST OF RICE
LAKE.

THESE THUNDERSTORMS HAVE THE POTENTIAL OF PRODUCING HAIL..STRONG GUSTY
WINDS AND VERY HEAVY RAINS. NO WARNINGS ARE CURRENTLY IN EFFECT FOR
WEST CENTRAL WISCONSIN BUT PERSONS SHOULD REMAIN ALERT IF FURTHER
DEVELOPMENT OCCURS.

TORNADO WATCHEMS REMAIN IN EFFECT FOR MUCH OF SOUTHERN AND CENTRAL
MINNESOTA AS WELL AS WEST CENTRAL AND NORTHWEST SECTIONS OF WISCONSIN.
SWANBERG
Special weather statement, May 24, 3:53 PM CDT, 10 minutes before
KMSP 241946

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
335 PM CDT WED MAY 24 1989

STRONG THUNDERSTORMS REMAIN ACROSS WIDE SECTIONS OF CENTRAL..SOUTHEAST
AND NORTHEAST MINNESOTA AND COVERED A LARGE PORTION OF NORTHWEST AND
WEST CENTRAL WISCONSIN.

AT 335 PM..A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM
FOR PINE COUNTY WHERE EARLIER WIND GUSTS WERE CLOCKED TO 91 MPH IN PINE
CITY. THIS SEVERE STORM WAS MOVING NORTHEAST AT 35 MILES AN HOUR.

OTHER STRONG THUNDERSTORMS WERE OCCURRING FROM AROUND ST CLOUD TO DULUTH
AND INTO FAR NORTHWEST WISCONSIN NEAR DANBURY AND HAYWARD. THESE STORMS
WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

FURTHER SOUTH..THUNDERSTORMS HAVE INCREASED IN INTENSITY OVER FAR
SOUTHEAST MINNESOTA AND ADJACENT AREAS OF WESTERN WISCONSIN. THE
STRONGEST STORM WAS LOCATED JUST NORTHWEST OF THE LA CROSSE AREA
AND THIS STORM HAS THE POTENTIAL OF PRODUCING STRONG GUSTY WINDS..
HAIL AND VERY HEAVY RAINS AS IT MOVES TO THE NORTHEAST AT 35 MILES
AN HOUR.

TORNADO WATCHES REMAIN IN EFFECT FOR MUCH OF SOUTHERN AND CENTRAL
MINNESOTA AS WELL AS WESTERN AND CENTRAL WISCONSIN UNTIL LATE THIS
EVENING.

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 7:03 PM CDTSevere Thunderstorm WarningMPXDodge, Olmsted42 min
May 23, 7:37 PM CDTSevere Thunderstorm WarningMPXFaribault, Martin38 min
May 23, 8:54 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright51 min
May 23, 9:41 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin49 min
May 24, 8:58 AM CDTSevere Thunderstorm WarningMPXStearns47 min
May 24, 11:25 AM CDTSevere Thunderstorm WarningMPXRedwood, Renville50 min
May 24, 11:28 AM CDTSevere Thunderstorm WarningMPXRedwood, Renville47 min
May 24, 2:32 PM CDTSevere Thunderstorm WarningMPXBenton, Morrison43 min
May 24, 4:09 PM CDTSevere Thunderstorm WarningMPXWinona36 min
May 24, 5:09 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod51 min
May 24, 5:17 PM CDTTornado WarningMPXSibley58 min
May 24, 5:23 PM CDTTornado WarningMPXCarver67 min
May 24, 5:23 PM CDTTornado WarningMPXScott52 min
May 24, 5:33 PM CDTTornado WarningMPXLe Sueur, Nicollet42 min
May 24, 6:08 PM CDTTornado WarningMPXLe Sueur, Rice, Waseca37 min
May 24, 6:30 PM CDTTornado WarningMPXBlue Earth, Faribault, Waseca30 min
May 24, 6:30 PM CDTTornado WarningMPXFreeborn30 min
May 24, 6:52 PM CDTSevere Thunderstorm WarningMPXGoodhue38 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1989Every severe thunderstorm warning in 1989

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.