Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 13, NWS Twin Cities, MN

May 27, 1991Dunn County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at May 27, 1991, 3:12 PM CDT for Dunn County, Wisconsin. It was in force for 48 min. 1 report 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
May 27, 1991, 3:12 PM CDT (20:12 UTC)
Expired
May 27, 1991, 4:00 PM CDT
In force
48 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Dunn County, WI

What was reported inside it

TimeReportWhereRemark
May 27, 3:15 PM CDTHail 1.75Dunn, 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 12:00Z, 8.2 hours before the alert went out and 135 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 1991-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1991-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1238 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 272011
SVRMSP
WIC033-272100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
312 PM CDT MON MAY 27 1991
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING     EFFECTIVE UNTIL  400 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION                        ...
 
IN WEST CENTRAL WISCONSIN
 
   ...DUNN COUNTY
 
AT 305 PM A SEVERE THUNDERSTORM WAS LOCATED IN WESTERN DUNN COUNTY
BETWEEN MENOMONIE AND ELMWOOD...OR 30 MILES WEST OF EAU CLAIRE.
 
ONE INCH HAIL HAS BEEN REPORTED NEAR THE TOWN OF ELMWOOD.
 
THE STORM IS MOVING TO THE EAST/NORTHEAST AT 20 MPH...SOME OF THE TOWNS
IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...WESTON...IRVINGTON AND
MENOMONIE.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE. REMEMBER SEVERE THUNDERSTORMS
CAN AND OyCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING
 
PAULSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 3:34 PM CDTSevere Thunderstorm WarningMPXEau Claire, Pepin41 min
May 27, 4:20 PM CDTSevere Thunderstorm WarningMPXEau Claire40 min
May 27, 4:59 PM CDTSevere Thunderstorm WarningMPXClark61 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1991Every severe thunderstorm warning in 1991

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.