Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 176, NWS Twin Cities, MN

September 26, 1986Barron County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 26, 1986, 4:39 PM CDT for Barron County, Wisconsin. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Sep 26, 1986, 4:39 PM CDT (21:39 UTC)
Expired
Sep 26, 1986, 5:30 PM CDT
In force
51 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Barron 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, 9.7 hours before the alert went out and 152 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 1986-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 165 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 12:00Z on 1986-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.1939587897Sfc1 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
165 J/kg
Mixed-layer CIN
-224 J/kg
Mixed-layer LCL
1109 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 262139
SVRMSP
WIC005-262230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
439 PM CDT FRI SEP 26 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...BARRON

AT...430 PM RADAR INDICATED A SEVERE THUNDERSTORM  IN SOUTHWEST
BARRON COUNTY..JUST SOUTHWEST OF THE CITY OF BARRON. THIS WARNING
INCLUDES THE CITIES OF BARRON...RICE LAKE..AND CAMERON.

THE SEVERE THUNDERSTORM WAS MOVING NORTHEAST AT 35 MILES AN HOUR.

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.

RICHARDSON

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 26, 3:33 PM CDTSevere Thunderstorm WarningMPXDunn, Pierce, Saint Croix57 min
Sep 26, 4:53 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire47 min
Sep 26, 5:50 PM CDTSevere Thunderstorm WarningMPXEau Claire30 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.