Alert archive / Minnesota / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 51, NWS Twin Cities, MN

May 30, 1989Fillmore County, Mower County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 30, 1989, 9:07 AM CDT for Fillmore County, Mower County, Minnesota. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
May 30, 1989, 9:07 AM CDT (14:07 UTC)
Expired
May 30, 1989, 10:00 AM CDT
In force
53 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Fillmore County, MN, Mower 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, 2.1 hours before the alert went out and 161 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 1989-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 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 1989-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
165 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 301409
SVRRST
MNC045-099-301500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
907 AM CDT TUE MAY 30 1989
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHEAST MINNESOTA
          ...FILLMORE...EASTERN MOWER
 
...THIS SEVERE THUNDERSTORM WARNING INCLUDES THE TOWNS OF TAOPI..GRAND
MEADOW..OSTRANDER..SPRING VALLEY..AND PRESTON MINNESOTA...
 
AT 857 AM CDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES
SOUTHEAST OF AUSTIN MINNESOTA NEAR TAOPI MOVING EAST AT 35 MPH.  THIS
SEVERE THUNDERSTORM SHOULD BE IN THE PRESTON AREA BY 1000 AM CDT.
 
 
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.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE1 SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 9:35 PM CDTSevere Thunderstorm WarningMPXGoodhue, Wabasha40 min
May 29, 10:35 PM CDTSevere Thunderstorm WarningMPXWabasha40 min
May 30, 7:22 AM CDTSevere Thunderstorm WarningMPXFaribault, Martin53 min
May 30, 8:09 AM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn66 min
May 30, 8:09 AM CDTSevere Thunderstorm WarningMPXMower66 min
May 30, 8:51 AM CDTTornado WarningMPXHouston39 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.