Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 62, NWS Milwaukee, WI

September 15, 1994Clark County, Taylor County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Sep 15, 1994, 5:09 PM CDT for Clark County, Taylor County, Wisconsin. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Sep 15, 1994, 5:09 PM CDT (22:09 UTC)
Expired
Sep 15, 1994, 6:00 PM CDT
In force
51 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

Counties Clark County, WI, Taylor County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.2 hours before the alert went out and 202 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, Green Bay/Straub, WI at 12:00Z on 1994-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 631 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, Green Bay/Straub, WI at 12:00Z on 1994-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 square meters per square second.193958Sfc1 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
631 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
825 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Sep 15, 4:53 PM CDT, 16 minutes before
WIZ043-044-055-056-152355-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MADISON WI
453 PM CDT THU SEP 15 1994

...STRONG THUNDERSTORMS CROSSING THE MISSISSIPPI RIVER...

AT 443 PM CDT RADAR DETECTED A LINE OF STRONG THUNDERSTORMS...SOME WITH
HEAVY RAIN ENTERING WESTERN AND SOUTHWEST WISCONSIN.  THE THUNDERSTORMS
WERE WEST OF A LINE FROM 50 MILES WEST OF WAUSAU...TO 30 MILES WEST OF
DUBUQUE IOWA.  THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 35
MILES AN HOUR.

THESE STORMS HAVE HAD A HISTORY OF PRODUCING HEAVY DOWNPOURS AND STRONG
GUSTY WINDS UP TO 50 MPH.

SOME CITIES IN THE PATH OF THESE STORMS ARE RICHLAND CENTER...REEDSBURG
...MAUSTON...NECEDAH...FRIENDSHIP.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

PIERCE
Special weather statement, Sep 15, 4:55 PM CDT, 14 minutes before
WIZ017-029-152300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
455 PM CDT THU SEP 15 1994

...STRONG THUNDERSTORMS HEADING TOWARDS TAYLOR AND CLARK COUNTIES...

AT 450 PM CDT...A SOLID LINE OF VERY STRONG THUNDERSTORMS EXTENDED
FROM NEAR EAGLETON IN CHIPPEWA COUNTY...OR ABOUT 20 MILES
NORTHNORTHEAST OF EAU CLAIRE TO FOSTER...OR 15 MILES SOUTHSOUTHEAST OF
EAU CLAIRE.  THE LINE WAS MOVING NORTHEAST AT 35 MPH.

THESE STORMS HAVE PRODUCED WINDS IN EXCESS OF 50 MPH AND TREES DOWN
IN THE EAU CLAIRE AREA...ALSO FREQUENT CLOUD TO GROUND LIGHTNING
AND HEAVY RAIN.

THESE STORMS WILL BE APPROACHING THE WESTERN PARTS OF THE COUNTIES OF
TALOR AND CLARK BETWEEN 515 PM AND 530 PM...AND THEN THROUGH THE
REMAINDER OF THOSE COUNTIES AFTER 530 PM.
<
IF THREATENING WEATHER APPROACHES SEEK SHELTER IMMEDIATELY.

JDH
Special weather statement, Sep 15, 4:59 PM CDT, 10 minutes before
WIZ017-029-152300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
455 PM CDT THU SEP 15 1994

...STRONG THUNDERSTORMS HEADING TOWARDS TAYLOR AND CLARK COUNTIES...

AT 450 PM CDT...A SOLID LINE OF VERY STRONG THUNDERSTORMS EXTENDED
FROM NEAR EAGLETON IN CHIPPEWA COUNTY...OR ABOUT 20 MILES
NORTHNORTHEAST OF EAU CLAIRE TO FOSTER...OR 15 MILES SOUTHSOUTHEAST OF
EAU CLAIRE.  THE LINE WAS MOVING NORTHEAST AT 35 MPH.

THESE STORMS HAVE PRODUCED WINDS IN EXCESS OF 50 MPH AND TREES DOWN
IN THE EAU CLAIRE AREA...ALSO FREQUENT CLOUD TO GROUND LIGHTNING
AND HEAVY RAIN.

THESE STORMS WILL BE APPROACHING THE WESTERN PARTS OF THE COUNTIES OF
TALOR AND CLARK BETWEEN 515 PM AND &530 PM...AND THEN THROUGH THE
REMAINDER OF THOSE COUNTIES AFTER 530 PM.
<
IF THREATENING WEATHER APPROACHES SEEK SHELTER IMMEDIATELY.

JDH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 5:54 PM CDTTornado WarningMKXTaylor36 min
Sep 15, 5:55 PM CDTSevere Thunderstorm WarningMKXMarathon, Portage, Wood65 min
Sep 15, 6:55 PM CDTSevere Thunderstorm WarningMKXLincoln27 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1994Every severe thunderstorm warning in 1994

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.