Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 3, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Apr 18, 1994, 6:50 PM CDT for Jefferson County, Walworth County, Wisconsin. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Apr 18, 1994, 6:50 PM CDT (23:50 UTC)
- Expired
- Apr 18, 1994, 7:45 PM CDT
- In force
- 55 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
Counties Jefferson County, WI, Walworth County, WI
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.8 hours before the alert went out and 187 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2617 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 182352 SVRMKE WIC055-127-190045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 650 PM CDT MON APR 18 1994 THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST WISCONSIN ...JEFFERSON COUNTY...WALWORTH COUNTY AT 645 PM...DOPPLER WEATHER RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM JUST EAST OF MADISON TO MONROE IN GREEN COUNTY...WHICH IS 35 MILES SOUTHWEST OF MADISON. THESE STORMS WERE MOVING EAST-SOUTHEAST AROUND 50 MPH. THEY SHOULD PASS THROUGH OR CLOSE TO LAKE MILLS...JEFFERSON...FORT ATKINSON...AND WHITEWATER BY 730 PM...THEN HEAD EASTWARD TOWARD SULLIVAN AND ELKHORN. A WIND GUST OF 63 MPH WAS REPORTED WITH ONE OF THESE STORMS AS IT PASSED THROUGH MADISON AROUND 645 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 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. NJ2 &
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, Apr 18, 5:53 PM CDT, 57 minutes before
WIZ043>047-055>057-062-063-068-069-182355- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 552 PM CDT MON APR 18 1994 ...STRONG THUNDERSTORMS IN WESTERN WISCONSIN... A FEW ISOLATED STRONG THUNDERSTORMS HAVE DEVELOPED IN CRAWFORD AND GRANT COUNTIES IN WESTERN WISCONSIN WITHIN THE LAST HOUR. THERE HAVE BEEN UNOFFICIAL REPORTS OF STRONG WINDS AND HEAVY DOWNPOURS WITH THESE STORMS WHICH ARE LOCATED NEAR MT STERLING ...37 MILES SOUTH-SOUTHEAST OF LA CROSSE...AND MUSCODA IN GRANT COUNTY...50 MILES NORTH-NORTHEAST OF DUBUQUE. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 40 MILES AN HOUR. PERSONS IN RICHLAND AND IOWA COUNTIES SHOULD BE ON THE ALERT FOR THE APPROACH OF THESE STORMLS AND BE PREPARED TO TAKE SHELTER MC MAHON
Special weather statement, Apr 18, 6:05 PM CDT, 45 minutes before
WIZ051-052-058>060-064>066-070>072-502-190200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 600 PM CDT MON APR 18 1994 ...SHOWERS AND THUNDERSTORMS APPROACHING SOUTHEAST WISCONSIN... AT 600 PM WEATHER RADAR SHOWED SCATTERED SHOWERS AND THUNDERSTORMS MOVING FROM SOUTHWEST INTO SOUTH CENTRAL WISCONSIN. THE LEADING EDGE OF THE STORMS WAS EAST OF LONE ROCK RACING EAST AT 45 TO 50 MPH. THE SCATTERED STORMS ARE EXPECTED TO MOVE INTO FAR SOUTHERN DODGE... JEFFERSON AND WALWORTH COUNTIES AROUND 7 PM...AND THEN INTO WAUKESHA ...MILWAUKEE...RACINE AND KENOSHA COUNTIES BY 8 PM. THESE STORMS CONTAIN BRIEF VERY HEAVY RAIN AND STRONG GUSTY WINDS. IF YOU SEE THESE STORMS APPROACHING FROM THE WEST TAKE SHELTER. SANDLER
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.