Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 46, NWS Milwaukee, WI

August 19, 1994Lafayette County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 19, 1994, 2:54 PM CDT for Lafayette County, Wisconsin. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Aug 19, 1994, 2:54 PM CDT (19:54 UTC)
Expired
Aug 19, 1994, 3:30 PM CDT
In force
36 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Lafayette County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.9 hours before the alert went out and 260 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 1994-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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 1994-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 square meters per square second.1939Sfc1 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
15 J/kg
Mixed-layer CIN
-245 J/kg
Mixed-layer LCL
690 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
27 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 KDBQ 191954 RRA
SVRDBQ
ILC085-WIC065-192030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DUBUQUE IA
254 PM CDT FRI AUG 19 1994
 
THE NATIONAL WEATHER SERVICE IN DUBUQUE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST WISCONSIN
 
   ...LAFAYETTE COUNTY
 
AT 252 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM NEAR DARLINGTON
WHICH IS 30 MILES NORTHEAST OF DUBUQUE. THIS STORM WAS MOVING EAST AT 25
MILES AN HOUR. SOME TOWNS IN THE PATH OF THIS STORM ARE DARLINGTON
GRATIOT...AND WIOTAL. THESE TOWNS WILL BE AFFECTED BETWEEN THE HOURS OF
255 AND 330 PM.
 
IF YOU ARE IN THE PATH OF THIS STORM TAKE SHELTER IMMEDIATELY.
 
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING.  MOVE TO THE CENTER OF THE HOUSE...STAY AWAY
FROM WINDOWS...AND BE READY TO ACT QUICKLY IF A TORNADO
DEVELOPS.
 
 
 
NNNN

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, Aug 19, 12:36 PM CDT, 2 hours 18 minutes before
WIZ017-191840-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1236 PM CDT FRI AUG 19 1994

...INTENSE THUNDERSTORMS APPROACHING NORTHERN TAYLOR COUNTY...

AT 1235 PM NATIONAL WEATHER SERVICE RADAR INDICATED INTENSE
THUNDERSTORMS NEAR HANNIBAL AND JUMP RIVER IN NORTHWESTERN TAYLOR
COUNTY. THESE STORMS WERE MOVING EAST SOUTHEAST AT 40 MPH.  SOME CITIES
IN THE PATH OF THESE STORMS ARE MURAT...PERKINSTOWN...AND MEDFORD.

THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN...HAIL AND STRONG
WINDS TO 45 MPH.

HOGGATT
Special weather statement, Aug 19, 12:41 PM CDT, 2 hours 13 minutes before
WIZ017-191840-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1236 PM CDT FRI AUG 19 1994

...INTENSE THUNDERSTORMS APPROACHING NORTHERN TAYLOR COUNTY...

AT 1235 PM NATIONAL WEATHER SERVICE RADAR INDICATED INTENSE
THUNDERSTORMS NEAR HANNIBAL AND JUMP RIVER IN NORTHWESTERN TAYLOR
COUNTY. THESE STORMS WERE MOVING EAST SOUTHEAST AT 40 MPH.  SOME CITIES
IN THE PATH OF THESE STORMS ARE MURAT...PERKINSTOWN...AND MEDFORD.

THZESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN...HAIL AND STRONG
WINDS TO 45 MPH.

HOGGATT
Special weather statement, Aug 19, 1:50 PM CDT, 1 hour 4 minutes before
WIZ017-018-191955-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
150 PM CDT FRI AUG 19 1994

...INTENSE THUNDERSTORMS MOVING THROUGH TAYLOR AND LINCOLN COUNTIES...

AT 145 PM NATIONAL WEATHER SERVICE RADAR INDICATED A CLUSTER OF INTENSE
THUNDERSTORMS OVER SOUTHEASTERN TAYLOR COUNTY...MOVING TO THE EAST AT
30 MPH.  THESE STORMS WILL AFFECT THE COMMUNITIES OF
MERRILL...DOERING...BLOOMVILLE...WHITTLESEY AND CHELSEA BETWEEN 150 AND
220 PM.

PERSONS IN THE PATH OF THESE STORMS CAN EXPECT GUSTY WINDS TO 45 MPH
AND HAIL.

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

HOGGATT/LA GREE
Special weather statement, Aug 19, 1:53 PM CDT, 1 hour 1 minute before
WIZ017-018-191955-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
150 PM CDT FRI AUG 19 1994

...INTENSE THUNDERSTORMS MOVING THROUGH TAYLOR AND LINCOLN COUNTIES...

AT 145 PM NATIONAL WEATHER SERVICE RADAR INDICATED A CLUSTER OF INTENSE
THUNDERSTORMS OVER SOUTHEASTERN TAYLOR COUNTY...MOVING TO THE EAST AT
30 MPH.  THESE STORMS WILL AFFECT THE COMMUNITIES OF
MERRILL...DOERING...BLOOMVILLE...WHITTLESEY AND CHELSEA BETWEEN 150 AND
220 PM.

PERSONS IN THE PATH OF THESE STORMS CAN EXPECT GUSTY WINDS TO 45 MPH
AND HAIL.

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

HOGGATT/LA GREE
Special weather statement, Aug 19, 2:08 PM CDT, 46 minutes before
WIZ029-192015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
208 PM CDT FRI AUG 19 1994

...INTENSE THUNDERSTORMS MOVING TOWARDS CLARK COUNTY...

AT 205 PM WEATHER RADAR INDICATED INTENSE THUNDERSTORMS OVER EASTERN EAU
CLAIRE...AND EASTERN CHIPPEWA COUNTIES. MOVEMENT OF THE STORMS WAS TO
THE EAST NORTHEAST AT 30 MILES AN HOUR.

THESE THUNDERSTORMS WILL BE MOVING INTO THE WESTERN PORTIONS OF CLARK
COUNTY...NEAR THE TOWNS OF THORP...WILLARD...AND GLOBE BY 230 PM CDT.

IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS TAKE COVER IMMEDIATELY.
GET INSIDE OF A STRONG BUILDING AWAY FROM FROM WINDOWS. DO NOT
USE ELECTRICAL APPLIANCES UNTIL THE STORMS HAVE PASSED. PLEASE RELAY ANY
SEVERE WEATHER REPORTS TO THE NEAREAST LAW ENFORCEMENT AGENCY SO IT CAN
BE PASSED ALONG TO THE NATIONAL WEATHER SERVICE.

LA GREE/ZAJDEL
Special weather statement, Aug 19, 2:10 PM CDT, 44 minutes before
WIZ029-192015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
208 PM CDT FRI AUG 19 1994

...INTENSE THUNDERSTORMS MOVING TOWARDS CLARK COUNTY...

AT 205 PM WEATHER RADAR INDICATED INTENSE THUNDERSTORMS OVER EASTERN EAU
CLAIRE...AND EASTERN CHIPPEWA COUNTIES. MOVEMENT OF THE STORMS WAS TO
THE EAST NORTHEAST AT 30 MILES AN HOUR.

THESE THUNDERSTORMS WILL BE MOVING INTO THE WESTERN PORTIONS OF CLARK
COUNTY...NEAR THE TOWNS OF THORP...WILLARD...AND GLOBE BY 230 PM CDT.

IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS TAKE COVER IMMEDIATELY.
GET INSIDE OF A STRONG BUILDING AWAY FROM FROM WINDOWS. DO NOT
USE ELECTRICAL APPLIANCES UNTIL THE STORMS HAVE PASSED. PLEASE RELAY ANY
SEVERE WEATHER REPORTS TO THE NEAREAST LAW ENFORCEMENT AGENCY SO IT CAN
BE PASSED ALONG TO THE NATIONAL WEATHER SERVICE.

LA GREE/ZAJDEL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 12:52 PM CDTSevere Thunderstorm WarningMKXJefferson22 min
Aug 19, 12:52 PM CDTSevere Thunderstorm WarningMKXWaukesha53 min
Aug 19, 1:57 PM CDTSevere Thunderstorm WarningMKXLincoln, Taylor48 min
Aug 19, 2:26 PM CDTSevere Thunderstorm WarningMKXMarathon49 min
Aug 19, 3:08 PM CDTSevere Thunderstorm WarningMKXMarathon52 min
Aug 19, 3:56 PM CDTSevere Thunderstorm WarningMKXPortage, Wood64 min
Aug 19, 4:59 PM CDTSevere Thunderstorm WarningMKXPortage61 min
Aug 19, 6:14 PM CDTSevere Thunderstorm WarningMKXKenosha46 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.