Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 78, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 23, 1986, 4:48 PM CDT for Pepin County, Wisconsin. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1986, 4:48 PM CDT (21:48 UTC)
- Expired
- Jun 23, 1986, 5:30 PM CDT
- In force
- 42 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 12:00Z, 9.8 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
- 2066 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 232148 SVRMSP WIC091-232230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 448 PM CDT MON JUN 23 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF WEST CENTRAL WISCONSIN...WESTERN PEPIN AT 430 PM A SEVERE THUNDERSTORM WAS INDICATED BY RADAR IN SOUTH- EAST PIERCE COUNTY ABOUT 10 MILES SOUTHEAST OF ELLSWORTH WISCONSIN AND WAS MOVING SOUTHEAST AT ABOUT 35 MILES AN HOUR. PERSONS IN THE PEPIN COUNTY WISCONSIN COMMUNITIES OF PORCUPINE AND STOCKHOLM AND PEPIN AND THE LAKE PEPIN AREA SHOULD BE ON THE ALERT FOR THE APPROACHING SEVERE THUNDERSTORM. REMEMBER SEVERE THUNDERSTORMS PRODUCE STRONG DAMAGING WINDS..LARGE HAIL AND FREQUENT LIGHTNING STRIKES. ALSO SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT AND BE PREPARElD TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED. WILLIS
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, Jun 23, 1:55 PM CDT, 2 hours 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 150 PM CDT MON JUN 23 1986. ..STRONG THUNDERSTORM JUST SOUTH OF MILLE LACS LAKE.. AT 155 PM CDT RADAR WAS SHOWING A STRONG THUNDERSTORM JUST SOUTH OF MILLE LACS LAKE IN MILLE LACS COUNTY. THIS STRONG THUNDERSTORM WAS PART OF A LINE OF THUNDERSTORMS THAT EXTENDED FROM SOUTH OF MILLE LACS LAKE TO LITTLE FALLS IN CENTRAL MORRISON COUNTY TO FOLEY IN CENTRAL BENTON COUNTY IN CENTRAL MINNESOTA. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 35 MILE AN HOUR AND COULD CONTAIN VERY HEAVY RAIN AND SMALL HAIL AS WELL AT STRONG GUSTY WINDS AND FREQUENT LIGHTNING STRIKES. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED YOU SHOULD BE PREPARED TO GO TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. NISTLER
Special weather statement, Jun 23, 2:49 PM CDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 240 PM CDT MON JUN 23 1986 THUNDERSTORMS NORTH THE THE TWIN CITIES AREA FROM CAMBRIDGE AND RUSH CITY NORTH TOWARD DULUTH ARE MOVING EAST TOWARD THE ST CROIX RIVER AND NORTHWEST WISCONSIN. MARBLE SIZE HAIL HAS BEEN REPORTED WITH THESE THUNDERSTORMS AT MORA MINNESOTA. BESIDES HAIL..GUSTY WINDS AND DANGEROUS LIGHTNING CAN ALSO BE EXPECTED AS THESE THUNDERSTORMS MOVE THROUGH. PERSONS ALONG THE ST CROIX RIVER SHOULD BE PREPARED TO SEEK SHELTER AS WELL AS PEOPLE FROM FROM JUST NORTH OF THE TWIN CITIES TO BURNETT AND POLK COUNTIES IN WISCONSIN. HARRRISON AT 4 30 AM...AN AREA OF SHOWERS AND THUNDERSTORMS COVERED MOST OF SOUTH AND CENTRAL MINNESOTA AND WEST WISCONSIN....EAST OF A LINE FROM NEAR DULUTH THRU ST CLOUD TO NEAR REDWOOD FALLS AND WORTHINGTON. RAINSHOWERS WERE ALSO SCATTERED OVER WEST SECTIONS OF MINNESOTA FROM NEAR MARSHALL THRU ALEXANDRIA TO NEAR BEMIDJI. MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR. DOM
Special weather statement, Jun 23, 2:50 PM CDT, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 240 PM CDT MON JUN 23 1986 THUNDERSTORMS NORTH THE THE TWIN CITIES AREA FROM CAMBRIDGE AND RUSH CITY NORTH TOWARD DULUTH ARE MOVING EAST TOWARD THE ST CROIX RIVER AND NORTHWEST WISCONSIN. MARBLE SIZE HAIL HAS BEEN REPORTED WITH THESE THUNDERSTORMS AT MORA MINNESOTA. BESIDES HAIL..GUSTY WINDS AND DANGEROUS LIGHTNING CAN ALSO BE EXPECTED AS THESE THUNDERSTORMS MOVE THROUGH. PERSONS ALONG THE ST CROIX RIVER SHOULD BE PREPARED TO SEEK SHELTER AS WELL AS PEOPLE FROM FROM JUST NORTH OF THE TWIN CITIES TO BURNETT AND POLK COUNTIES IN WISCONSIN. HARRRISON
Special weather statement, Jun 23, 3:23 PM CDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 320 PM CDT MON JUN 23 1986 ...STRONG THUNDERSTORMS APPROACHING THE TWIN CITIES METRO AREA... AT 318 PM CDT A LINE OF STRONG THUNDERSTORMS STRETCHED FROM CENTRAL CHISAGO COUNTY IN EASTCENTRAL MINNESOTA TO SOUTHEAST SHERBURNE COUNTY..ABOUT 35 MILES NORTHWEST OF THE TWIN CITIES. THE HISTORY OF THESE STORMS INCLUDES VERY HEAVY RAINFALL AND MARBLE SIZED HAIL..ALONG WITH WIND GUSTS IN EXCESS OF 50 MILES PER HOUR. THE STORMS IN THIS LINE ARE FAST MOVERS..WITH A SPEED OF 40 TO 45 MPH TOWARD THE SOUTHEAST SO THOSE ENGAGED IN OUTDOOR ACTIVITIES WILL HAVE TO SEEK SHELTER QUICKLY AS THIS SQUALL APPROACHES YOUR AREA. BOATERS SHOULD CONSIDER THE TIME IT WILL TAKE THEM TO REACH SHORE AND MAKE SURE YOUR MARGIN OF SAFETY IS ASSURED. THESE STORMS WILL BE PASSING ACROSS THE METRO AREA BETWEEN 330 PM AND 400 PM CDT AND SHOULD BE ABOUT 30 MILES TO THE SOUTHEAST OF THE TWIN CITIES BY 5 PM CDT. BOATERS ON THE MISSISSIPPI AND ST. CROIX APPEAR TO BE IN THE DIRECT PATH OF THE STRONGEST THUNDERSTORMS IN THIS LINE. SEEK SAFE HAVEN NOW. TOGSTAD
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 4:09 PM CDT | Severe Thunderstorm Warning | MPX | Pierce, Saint Croix | 51 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1986Every severe thunderstorm warning in 1986
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.