Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 102, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 1, 1989, 1:56 AM CDT for Pepin County, Wisconsin. It was in force for 34 min.
The area
The counties it named.
The facts
- Issued
- Sep 1, 1989, 1:56 AM CDT (06:56 UTC)
- Expired
- Sep 1, 1989, 2:30 AM CDT
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Pepin County, WI
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 00:00Z, 6.9 hours before the alert went out and 122 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 595 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 290 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSP 010656
SVRMSP
WIC091-010730-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
156 AM CDT FRI SEP 1 1989
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 230 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN WEST CENTRAL WISCONSIN
...PEPIN
AT 152 AM...RADAR INDICATED A LINE OF THUNDERSTORMS...WITH THE
LEADING EDGE 10 MILES EAST TO SOUTHEAST OF RED WING MINNESOTA.
THE STORMS WERE MOVING EAST AT 60 MILES AN HOUR...AND WILL
PRODUCE DAMAGING WINDS AS THEY MOVE ACROSS PEPIN COUNTY
THROUGH 230 AM.
THIS WARNING INCLUDES ADJACENT AREAS OF THE MISSISSIPPI RIVER
AND LAKE PEPIN. TOWNS INCLUDED IN THE WARNING ARE PEPIN AND
DURAND.
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.
TDKWhat 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 31, 8:49 PM CDT, 5 hours 7 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 848 PM CDT THU AUG 31 1989 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR MOST OF SOUTHERN MINNESOTA AND LARGE PARTS OF WESTERN WISCONSIN UNTIL 10 PM CDT... ...SEVERE THUNDERSTORM WARNING UNTIL 845 PM FOR FARIBAULT AND EASTERN MARTIN COUNTY OF SOUTH CENTRAL MINNESOTA... AT 825 PM SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER CENTRAL AND SOUTHERN MINNESOTA AND EXTENDED INTO WEST WISCONSIN. THUNDERSTORMS WITH VERY HEAVY RAINS WERE RACING ACROS EXTREME SOUTHERN MINNESOTA JUST NORTH OF THE IOWA BORDER. THESE VERY HEAVY THUNDERSTORMS EXTENDED FROM EAST OF FAIRMONT TO NEAR LACROSSE. THESE THUNDERSTORMS ALSO HAVE HAD A HISTORY OF PRODUCING LARGE HAIL RANGING FROM MARBLE TO BASEBALL IN DIAMETER. OTHER SHOWERS AND THUNDERSTORMS WERE ALSO SCATTERED ACROSS CENTRAL AND SOUTHERN MINNESOTA. AS THESE THUNDERSTORMS MOVE EAST OVER SOME OF THESE SAME AREAS..LOCALIZED FLOODING MAY BE POSSIBLE. MOVEMENT CONTINUES EAST AT 40 MILES AN HOUR. RND
Special weather statement, Aug 31, 9:29 PM CDT, 4 hours 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 925 PM CDT THU AUG 31 1989 ...SEVERE THUNDERSTORM WATCH NUMBER 704 CANCELLED FOR SECTIONS OF CENTRAL MINNESOTA... THE SEVERE THUNDERSTORM WATCH NUMBER 704 HAS BEEN CANCELLED IN MINNESOTA NORTH OF A LINE FROM REDWOOD FALLS TO NORTHFIELD TO TO LE SUEUR TO REDWOOD FALLS TO CANBY NEAR THE SOUTH DAKOTA BORDER. THIS SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THE TWIN CITIES METROPOLITAN AREA. WJH
Special weather statement, Aug 31, 11:59 PM CDT, 1 hour 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 1155PM CDT THU AUG 31 1989 ...SEVERE THUNDERSTORM WATCH CANCELLED IN SOUTHWEST MINNESOTA... THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 706 IN SOUTHWEST MINNESOTA WEST OF A LINE FROM MANKATO TO FAIRMONT. THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM FOR SOUTHEAST MINNESOTA. WJH
Special weather statement, Sep 1, 12:54 AM CDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 1253 AM CDT FRI SEP 1 1989 ...THUNDERSTORMS WITH TORRENTIAL RAINS ENTERING THE TWIN CITIES... AT 1250 AM...THUNDERSTORMS WERE PRODUCING VERY HEAVY RAINS OVER PORTIONS OF CENTRAL AND EAST CENTRAL MINNESOTA. SOME THUNDERSTORMS WERE PRODUCING RAIN AT SUCH A RATE THAT VISIBILITIES WERE REDUCED TO NEAR ZERO AT A NUMBER OF LOCATIONS. THE MOST RECENT REPORT OF SUCH RAINFALL WAS 1240 AM NEAR ROGERS...OR ABOUT 25 MILES NORTHWEST OF DOWNTOWN MINNEAPOLIS. SOME OF THESE AREAS RECEIVED HEAVY RAINS EARLIER TODAY. THESE STORMS COULD EASILY CAUSE SOME SMALL STREAM AND URBAN FLOODING. THIS TYPE OF SITUATION IS ESPECIALLY DANGEROUS AT NIGHT...WHEN MOTORISTS MAY NOT BE ABLE TO SEE FLOODED ROADWAYS. THESE STORMS WERE JUST ENTERING THE WESTERN AND NORTHERN PORTIONS OF THE TWIN CITIES METROPOLITAN AREA...AND WILL MOVE ACROSS THE TWIN CITIES THROUGH AT LEAST 2 AM. THERE WILL UNDOUBTEDLY BE SOME UNDERPASSES AROUND THE TWIN CITIES WHICH WILL FLOOD. DO NOT DRIVE THROUGH FLOODED AREAS. BE VERY CAREFUL OF THIS DANGEROUS SITUATION. TDK
Special weather statement, Sep 1, 1:15 AM CDT, 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 115 AM CDT FRI SEP 1 1989 ...WINDS TO 55 MPH IN THE TWIN CITIES... AT 108 AM...A WIND GUST TO 52 MPH WAS REGISTERED AT THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS. THESE STORMS WILL MOVE ACROSS THE METROPOLITAN AREA THROUGH 2 AM. WHILE THE STORMS DO NOT AT THIS TIME APPEAR TO BE SEVERE...PEOPLE AROUND THE AREA SHOULD BE READY TO MOVE TO SAFETY IF THE STORMS SHOULD BECOME ANY STRONGER. TDK
Special weather statement, Sep 1, 1:33 AM CDT, 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 130 AM CDT FRI SEP 1 1989 ...WINDS TO 55 MPH CAN BE EXPECTED ACROSS THE EASTERNMOST PART OF THE TWIN CITIES...AND INTO WEST CENTRAL WISCONSIN... WINDS BETWEEN 50 AND 55 MPH CONTINUE TO BE REPORTED. AT 125 AM... THESE WINDS WERE CURRENTLY IN EASTERN RAMSEY...WASHINGTON...AND DAKOTA COUNTIES...OR JUST ACROSS THE EASTERN AND SOUTHERN SUBURBS OF ST. PAUL. THE STORMS !ARE POISED TO ENTER WEST CENTRAL WISCONSIN. PERSONS IN ST. CROIX...PIERCE...PEPIN...AND DUNN COUNTIES OF WEST CENTRAL WISCONSIN SHOULD BE ON THE LOOKOUT FOR THESE STORMS...AND BE READY TO GET TO SHELTER IF THE STORMS BECOME ANY STRONGER. TDK
Nearby
Severe Thunderstorm Warnings in Wisconsin, 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.