Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 21, NWS Green Bay, WI

June 17, 1993Columbia County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 17, 1993, 6:25 PM CDT for Columbia County, Wisconsin. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jun 17, 1993, 6:25 PM CDT (23:25 UTC)
Expired
Jun 17, 1993, 7:30 PM CDT
In force
65 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Columbia County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 11.4 hours before the alert went out and 373 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 1993-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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 1993-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
13 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
540 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
-16 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 
WUUS1 KMSN 172326 RRA
SVRMSN
WIC021-180030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MADISON WI
625 PM CDT THU JUN 17 1993
 
THE NATIONAL WEATHER SERVICE IN MADISON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL WISCONSIN
 
   ...COLUMBIA COUNTY
 
AT 625 PM CDT RADAR DETECTED A SEVERE THUNDERSTORM 3 MILES WEST OF
PORTAGE...OR 30 MILES NORTHWEST OF MADISON. THE SEVERE THUNDERSTORM WAS
MOVING TO THE EAST SOUTHEAST AT 20 MILES AN HOUR.
 
SOME CITIES IN THE PATH OF THIS SEVERE THUNDERSTORM ARE PORTAGE...
PARDEEVILLE...WYOCENA...POYNETTE
 
 
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.
 
PIERCE

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 2:57 PM CDTSevere Thunderstorm WarningGRBGreen, Rock63 min
Jun 17, 3:44 PM CDTSevere Thunderstorm WarningGRBGreen, Rock76 min
Jun 17, 4:27 PM CDTSevere Thunderstorm WarningGRBAdams, Juneau63 min
Jun 17, 5:14 PM CDTSevere Thunderstorm WarningGRBGreen Lake, Marquette, Waushara61 min
Jun 17, 5:28 PM CDTSevere Thunderstorm WarningGRBAdams, Juneau62 min
Jun 17, 6:10 PM CDTSevere Thunderstorm WarningGRBSauk65 min
Jun 17, 6:16 PM CDTSevere Thunderstorm WarningGRBDane, Green74 min
Jun 17, 6:37 PM CDTSevere Thunderstorm WarningGRBOutagamie, Waupaca, Winnebago68 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1993Every severe thunderstorm warning in 1993

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.