Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 19, NWS Milwaukee, WI

July 4, 1994Ozaukee County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 4, 1994, 5:55 PM CDT for Ozaukee County, Wisconsin. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1994, 5:55 PM CDT (22:55 UTC)
Expired
Jul 4, 1994, 6:20 PM CDT
In force
25 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Ozaukee County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.9 hours before the alert went out and 121 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 1994-07-04Temperature 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, Green Bay/Straub, WI at 12:00Z on 1994-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
577 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
284 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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, Jul 4, 5:18 PM CDT, 37 minutes before
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Special weather statement, Jul 4, 5:20 PM CDT, 35 minutes before
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Special weather statement, Jul 4, 5:21 PM CDT, 34 minutes before
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Special weather statement, Jul 4, 5:22 PM CDT, 33 minutes before
WIZ043>047-055>057-062-063-042400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MADISON WI
520 PM CDT MON JUL 4 1994

...STRONG THUNDERSTORMS IN ADAMS COUNTY...

AT 515 PM RADAR DETECTED STRONG THUNDERSTORMS IN ADAMS COUNTY JUST EAST
OF WHITE CREEK OR ABOUT 55 MILES NORTH-NORTHWEST OF MADISON.  HEAVY RAIN
AND WINDS BETWEEN 40 AND 45 MILES AN HOUR WERE REPORTED WITH THIS STORM
WITH CORN ROWS BENDING NEARLY FLAT TO THE GROUND.  A SECOND STRONG STORM
WAS LOCATED ABOUT 5 MILES SOUTN OF ADAMS.  BOTH STORMS WERE MOVING
NORTHEAST AT AROUND 40 MILES AN HOUR.  SOME CITIES AND TOWNS IN THE
PATH OF THE STORMS INCLUDE BROOKSIDE..ADAMS..AND FRIENDSHIP.

TAKE SHELTER IF THUNDERSTORMS APPROACH YOUR LOCATION.

MEM
Local storm report, Jul 4, 5:35 PM CDT, 20 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
535 PM CDT MON JUL 4 1994

REPORT FROM SOUTHEAST WISCONSIN FOR JULY 4TH 1994

TIME (CDT)
               REPORT                       LOCATION

330 PM         50 MPH WINDS.              TOWN OF OCONOMOWOC
                                          IN WAUKESHA COUNTY.
                                          OFF DUTY WEATHER SERVICE
                                          EMPLOYEE

330 PM         49 MPH PEAK WIND           WSFO MKX
                                          JEFFERSON COUNTY

334 PM         TREE DOWN COVERING         HARDSCRABBLE ROAD IN
               ROAD NEAR WSFO MKX         EASTERN JEFFERSON COUNTY.
                                          HAM RADIO OBSERVER.

400 PM         50 MPH WINDS...            WESTERN OZAUKEE COUNTY
               ESTIMATED BY SPOTTER       NEAR HWY 60.
^
410 PM         45 TO 50 MPH WINDS         TOWN OF BRANDON
                                          IN FOND DU LAC COUNTY
                                          LOCAL SPOTTER.

425 PM         WALL CLOUD                 76TH AND BLUEMOUND
                                          IN MILWAUKEE COUNTY.
                                          LOCAL SPOTTER.

TH/NJ/JL/CG/BH
Local storm report, Jul 4, 5:43 PM CDT, 12 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
535 PM CDT MON JUL 4 1994

REPORT FROM SOUTHEAST WISCONSIN FOR JULY 4TH 1994

TIME (CDT)
               REPORT                       LOCATION

330 PM         50 MPH WINDS.              TOWN OF OCONOMOWOC
                                          IN WAUKESHA COUNTY.
                                          OFF DUTY WEATHER SERVICE
                                          EMPLOYEE

330 PM         49 MPH PEAK WIND           WSFO MKX
                                          JEFFERSON COUNTY

334 PM         TREE DOWN COVERING         HARDSCRABBLE ROAD IN
               ROAD NEAR WSFO MKX         EASTERN JEFFERSON COUNTY.
                                          HAM RADIO OBSERVER.

400 PM         50 MPH WINDS...            WESTERN OZAUKEE COUNTY
               ESTIMATED BY SPOTTER       NEAR HWY 60.
^
410 PM         45 TO 50 MPH WINDS         TOWN OF BRANDON
                                          IN FOND DU LAC COUNTY
                                          LOCAL SPOTTER.

425 PM         WALL CLOUD                 76TH AND BLUEMOUND
                                          IN MILWAUKEE COUNTY.
                                          LOCAL SPOTTER.

TH/NJ/JL/CG/BH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 3:03 PM CDTSevere Thunderstorm WarningMKXJefferson57 min
Jul 4, 3:26 PM CDTSevere Thunderstorm WarningMKXDodge49 min
Jul 4, 5:55 PM CDTSevere Thunderstorm WarningMKXMilwaukee15 min
Jul 4, 6:23 PM CDTTornado WarningMKXJefferson37 min
Jul 4, 6:55 PM CDTSevere Thunderstorm WarningMKXWashington, Waukesha50 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.