Alert archive / Minnesota / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 45, NWS Twin Cities, MN

August 3, 1988Chisago County, Minnesota; Polk County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 3, 1988, 10:33 PM CDT for Chisago County, Minnesota; Polk County, Wisconsin. It was in force for 42 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
Aug 3, 1988, 10:33 PM CDT (03:33 UTC)
Expired
Aug 3, 1988, 11:15 PM CDT
In force
42 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Chisago County, MN, Polk County, WI

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
Aug 3, 10:40 PM CDTThunderstorm Wind 56Polk, WI
Aug 3, 11:10 PM CDTThunderstorm Wind 56Polk, WI

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 00:00Z, 3.6 hours before the alert went out and 101 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 1988-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2209 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 1988-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
2209 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1025 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 040333
SVRMSP
MNC025-WIC095-040415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1033 PM CDT WED AUG 3 1988
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN EAST CENTRAL MINNESOTA
          ...NORTHERN CHISAGO
IN WEST CENTRAL WISCONSIN
          ...POLK
 
AT 1030 PM...SEVERE THUNDERSTORMS WERE OCCURRING NEAR CENTER CITY IN
CHISAGO COUNTY OF EXTREME EAST CENTRAL MINNESOTA...ABOUT 30 MILES
NORTHEAST OF DOWNTOWN MINNEAPOLIS. MOVEMENT WAS TO THE NORTHEAST AT 35
MILES AN HOUR. CITIES INCLUDED IN THIS WARNING ARE CENTER
CITY...TAYLORS FALLS...ST CROIX FALLS AND BALSAM LAKE.
 
 
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.
 
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.
MILLER

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 3, 7:45 PM CDT, 2 hours 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
745 PM CDT WED AUG 3 1988

A STRONG THUNDERSTORM WITH SMALL HAIL HAS MOVED INTO PIERCE COUNTY
IN WESTCENTRAL WISCONSIN.  FREQUENT LIGHTNING STRIKES CAN ALSO BE
EXPECTED WITH THIS THUNDERSTORM.  THE STRONGEST THUNDERSTORM WAS
JUST EAST OF RED WING MINNESOTA MOVING NORTHEAST AT 35 MPH TOWARD
ELLSWORTH WISCONSIN...35 MILES SOUTHEAST OF THE TWIN CITIES.

OTHER STRONG THUNDEURSTORMS WITH HEAVY RAIN EXTEND EASTWARD INTO
SOUTHERN DUNN COUNTY IN THE AREA OF MENOMONIE.
BRANCH
Special weather statement, Aug 3, 9:15 PM CDT, 1 hour 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
915 PM CDT WED AUG 3 1988

AT 915 PM...THUNDERSTORMS WERE MOVING THROUGH THE WESTERN TWIN CITIES.
PEA SIZE HAIL AND WIND GUSTS TO 50 MILES AN HOUR WERE REPORTED ON
THE NORTH SIDE OF LAKE MINNETONKA IN WESTERN HENNEPIN COUNTY AT
900 PM.  ANOTHER STRONG THUNDERSTORM WAS ALSO LOCATED IN CARVER
COUNTY.  THEY WERE SPREADING TO THE EAST INTO DAKOTA...ANOKA...AND
RAMSEY COUNTIES.  FREQUENT LIGHTNING...VERY HEAVY RAINS...AND STRONG
GUSTY WINDS CAN BE EXPECTED UNTIL 1030 PM IN THE TWIN CITIES.

PERSONS IN THE VICINITY OF THESE STORMS SHOULD REMAIN ALERT FOR
THREATENING WEATHER AND BE PREPARED TO SEEK SAFE SHELTER IF NEEDED.
BRANCH
Special weather statement, Aug 3, 9:38 PM CDT, 55 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
940 PM CDT WED AUG 3 1988

AT 926 PM...THUNDERSTORMS WITH VERY HEAVY RAIN WERE MOVING THROUGH
THE TWIN CITIES METRO AREA OF EAST CENTRAL MINNESOTA.  THEY PRODUCED
SMALL HAIL AND 50 MPH WINDS IN MOUND IN WESTERN HENNEPIN COUNTY
AROUND 900 PM.  THUNDERSTORMS WERE ALSO OCCURRING FROM TURTLE LAKE
TO INGRAM IN WEST CENTRAL WISCONSIN...AND FROM ST CLOUD TO NEW ULM
IN CENTRAL AND SOUTH CENTRAL MINNESOTA.  PERSONS IN THE VICINITY OF
THESE STORMS SHOULD BE ALERT FOR THREATENING WEATHER AND BE PREPARED
TO MOVE TO A PLACE OF SAFTEY IF NEEDED.

MOVEMENT WAS TO THE NORTHEAST AT 30 MILES AN HOUR.
KRAFT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 7:41 PM CDTSevere Thunderstorm WarningMPXGoodhue19 min
Aug 3, 8:15 PM CDTSevere Thunderstorm WarningMPXDunn45 min
Aug 3, 8:33 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire42 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1988Severe Thunderstorm Warnings in Wisconsin, 1988Every severe thunderstorm warning in 1988

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.