Alert archive / Minnesota / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 19, NWS Twin Cities, MN

May 24, 1989Benton County, Morrison County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 24, 1989, 2:32 PM CDT for Benton County, Morrison County, Minnesota. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
May 24, 1989, 2:32 PM CDT (19:32 UTC)
Expired
May 24, 1989, 3:15 PM CDT
In force
43 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Benton County, MN, Morrison County, MN

The radar

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

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 7.5 hours before the alert went out and 119 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 12:00 PM CDT, 2 hours 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
NOON PM CDT WED MAY 24 1989

...SEVERE WEATHER POTENTIAL EXTREMELY HIGH FOR SOUTHERN MINNESOTA
   THIS AFTERNOON AND TONIGHT...

THE NATIONAL SEVERE STORMS FORECAST CENTER HAS PLACED MINNESOTA IN A
HIGH RISK FOR SEVERE WEATHER THIS AFTERNOON AND TONIGHT.  THIS MEANS
THE POTENTIAL FOR SEVERE WEATHER IS EXTREMELY HIGH.  THE ATMOSPHERIC
CONDITIONS WE HAVE IN PLACE TODAY ARE RARELY SEEN IN MINNESOTA AND ARE
MORE TYPICAL OF THOSE WHICH OCCUR IN PLACES LIKE OKLAHOMA AND TEXAS
DURING OUTBREAKS OF SEVERE WEATHER.

A STRONG LOW PRESSURE SYSTEM IN EXTREME EASTERN SOUTH DAKOTA...A JET
STREAM BLOWING AT OVER 130 MILES AN HOUR IN THE UPPER ATMOSPHERE...AN
INFLUX OF WARM MOIST AIR FROM THE SOUTH...AND A VERY UNSTABLE AIRMASS
ARE COMBINING TO CREATE AN EXPLOSIVE METEOROLOGICAL SITUATION.  STORMS
THIS MORNING HAVE ALREADY PRODUCED GOLF BALL SIZE HAIL NEAR ALEXANDRIA
AND REDWOOD FALLS.

STORMS DEVELOPING THIS AFTERNOON AND TONIGHT WILL BE CAPABLE OF
PRODUCING VERY STRONG WINDS...LARGE HAIL...HEAVY RAIN...AND
TORNADOES.  THE AREA WHICH HAS THE HIGHEST POTENTIAL FOR SEVERE
WEATHER IS SOUTHERN MINNESOTA.

WARNINGS FROM THE NATIONAL WEATHER AND THOSE YOU HEAR THROUGH THE
NEWS MEDIA SHOULD BE TAKEN VERY SERIOUSLY SINCE MANY OF THE
THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE WEATHER WHICH WILL
BE A THREAT TO LIFE AND PROPERTY.

REMEMBER...THE SAFEST PLACE TO BE IS THE LOWEST LEVEL OF A BUILDING...
A BASEMENT...OR IN A CLOSET OR BATHROOM ON THE LOWEST LEVEL.  AVOID
WINDOWS AND DOORS.  IN LARGE BUILDINGS GO TO A DESIGNATED SHELTER
AND AVOID AREAS WITH LARGE SPAN ROOFS.  DO NOT TRY TO OUTRUN A TORNADO
IN YOUR CAR...BUT INSTEAD GET OUT OF YOUR CAR AND GET IN A DITCH OR
LOW LYING AREA OR A NEARBY BUILDING IF AVAILABLE.  ALSO GET OUT OF
MOBILE HOMES AS THEY ARE VERY VUNERABLE TO HIGH WINDS AND TORNADOES.

IN SUMMING UP...THIS IS NOT A TYPICAL SEVERE WEATHER SITUATION FOR
MINNESOTA.  THE THREAT IS VERY HIGH FOR SEVERE WEATHER AND THE STORMS
COULD BE VERY VIOLENT.
CAMPBELL
Special weather statement, May 24, 12:17 PM CDT, 2 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1215 PM CDT WED MAY 24 1989

...THUNDERSTORMS CONTINUE TO PUSH NORTHEAST ACROSS THE TWIN CITY
   METRO AREA...

AT 1210 PM A LINE OF THUNDERSTORMS STRETCHED ACROSS THE TWIN CITY METRO
AREA.  THE AREA OF STRONGER STORMS RAN FROM EXTREME NORTHERN HENNEPIN
COUNTY NEAR DAYTON ACROSS HOPKINS...BLOOMINGTON AND INTO NORTHERN
SCOTT COUNTY ABOUT 5 MILES EAST OF PRIOR LAKE.  THESE THUNDERSTORMS
WERE MOVING EAST NORTHEAST AT 35 MPH. NO SEVERE WEATHER HAS YET BEEN
REPORTED FROM THESE THUNDERTORMS.

HOWEVER....SOME THUNDERSTORMS OUTSIDE THE METRO HAVE BECOME SEVERE AND
PRODUCED LARGE HAIL.  REMEMBER...A TORNADO WATCH IS $IN EFFECT FOR MUCH
OF EASTERN AND SOUTHERN MINNESOTA UNTIL 8PM.  THIS DOES INCLUDE THE
TWIN CITY METO AREA.
PAULSON
Special weather statement, May 24, 12:43 PM CDT, 1 hour 49 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, 57 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, 9 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, 8 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

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, 4:03 PM CDTSevere Thunderstorm WarningMPXDodge, Mower, Olmsted27 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; the sounding from the Mesonet's radiosonde archive.