Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 122, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 24, 1986, 5:31 PM CDT for Dunn County, Pepin County, Wisconsin. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1986, 5:31 PM CDT (22:31 UTC)
- Expired
- Jul 24, 1986, 6:25 PM CDT
- In force
- 54 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Dunn County, WI, 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.5 hours before the alert went out and 312 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
- 1209 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 882 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 23 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 242231 SVRMSP WIC033-091-242325- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 531 PM CDT THU JUL 24 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 625 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF WEST CENTRAL WISCONSIN...SOUTHERN DUNN AND NORTHERN PEPIN AT 525 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN WESTCENTRAL WISCONSIN NEAR PLUM CITY IN EXTREME EASTERN PIERCE COUNTY. THIS THUNDERSTORM IS MOVING EAST AT ABOUT 30 MPH AND WILL BE MOVING INTO SOUTHERN DUNN AND NORTHERN PEPIN COUNTIES AROUND 530PM. THE SEVERE THUNDERSTORM WAS ABOUT 30 MILES SOUTHWEST OF EAU CLAIR. SOME OF THE CITIES IN THE PATH OF THIS THUNDERSTORM ARE DURAND IN PEPIN COUNTY AND EAU GALLE IN DUNN COUNTY. 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 PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED. PAULSON
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, Jul 24, 5:22 PM CDT, 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 515 PM CDT THU JUL 24 1986 ...VERY STRONG THUNDERSTORMS IN WEST CENTRAL WISCONSIN... NATIONAL WEATHER SERVICE RADAR OPERATORS HAVE BEEN MONITORING A VERY STRONG THUNDERSTORM NEAR PLUM CITY IN SOUTHEAST PIERCE COUNTY WISCONSIN. PLUM CITY IS ABOUT 30 MILES SOUTHWEST OF EAU CLAIR. THIS THUNDERSTORM IS MOVING EAST AT 30 MPH AND WILL BE CROSSING INTO SOUTHERN DUNN AND NORTHERN PEPIN COUNTIES BEFORE 530PM. SOME OF THE CITIES IN THE PATH OF THIS THUNDERSTORM ARE..DURAND IN PEPIN COUNTY AND EAU GALLE IN SOUTHERN DUNN COUNTY. THIS THUNDERSTORM COULD PRODUCE HAIL AS WELL AS WIND TO 40 TO 50 MPH. SEEK SHELTER IF THREATENING WEATHER APPROACHES. PAULSON
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.