Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 1, NWS Milwaukee, WI

April 18, 1996Waukesha County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Apr 18, 1996, 8:23 PM CDT for Waukesha County, Wisconsin. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 18, 1996, 8:23 PM CDT (01:23 UTC)
Expired
Apr 18, 1996, 9:20 PM CDT
In force
57 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 21 km from the middle of the area, began a volume at 01:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.4 hours before the alert went out and 163 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 00:00Z on 1996-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 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 00:00Z on 1996-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 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
39 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
1430 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMKE 190125
SVRMKE
WIC133-190230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
823 PM CDT THU APR 18 1996
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  920 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST WISCONSIN
 
   ...NORTHERN WAUKESHA COUNTY
 
AT 815 PM...A SEVERE THUNDERSTORM WAS LOCATED NEAR DOUSMAN...WHICH IS 27
MILES WEST OF MILWAUKEE. THE STORM IS MOVING NORTHEAST NEAR 40 MPH.
IT WILL PASS THROUGH OR CLOSE TO HARTLAND BY 845 PM...THEN HEAD TOWARD
BROOKFIELD AND MENOMONEE FALLS.
 
WIND GUSTS TO 62 MPH FROM THIS STORM WERE RECORDED AT THE NATIONAL`
WEATHER SERVICE OFFICE NEAR SULLIVAN AT 810 PM.
 
GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS!  A TORNADO
WATCH IS IN EFFECT.  SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES.
 
&
NJ

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, 6:27 PM CDT, 1 hour 56 minutes before
WIZ009>072-190100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
620 PM CDT THU APR 18 1996

THE FOLLOWING COUNTIES IN WISCONSIN HAVE BEEN CLEARED FROM TORNADO
WATCH NUMBER 182...CLARK...JACKSON...WOOD...MONROE...JUNEAU...ADAMS...
VERNON...CRAWFORD...AND RICHLAND.  THE REST OF THE TORNADO WATCH
FOR MUCH OF EASTERN AND CENTRAL WISCONSIN REMAINS IN EFFECT UNTIL
1000 PM THIS EVENING.

HELMAN
Special weather statement, Apr 18, 6:59 PM CDT, 1 hour 24 minutes before
WIZ009>072-190100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
700 PM CDT THU APR 18 1996

AT 700 PM THE FOLLOWING COUNTIES IN WISCONSIN HAVE BEEN CLEARED FROM
TORNADO WATCH ZNUMBER 182...ONEIDA...LINCOLN...MARATHON...AND PORTAGE.
THE REST OF THE TORNADO WATCH FOR MUCH OF EASTERN AND PARTS OF CENTRAL
WISCONSIN REMAINS IN EFFECT UNTIL 1000 PM THIS EVENING.

HELMAN
Special weather statement, Apr 18, 7:16 PM CDT, 1 hour 7 minutes before
WIZ009>072-190100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
715 PM CDT THU APR 18 1996

AT 715 PM THE FOLLOWING COUNTY IN WISCONSIN HAS BEEN CLEARED FROM
TORNADO WATCH NUMBER 182...GRANT.

THE REST OF THE TORNADO WATCH FOR MUCH OF EASTERN AND PARTS OF CENTRAL
WISCONSIN REMAINS IN EFFECT UNTIL 1000 PM THIS EVENING.

HELMAN
Special weather statement, Apr 18, 7:45 PM CDT, 38 minutes before
WIZ011>013-019>022-031-037>039-045>049-051-056>057-062-067-190200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
745 PM CDT THU APR 18 1996

THE FOLLOWING COUNTIES IN WISCONSIN HAVE BEEN CLEARED FROM TORNADO
WATCH NUMBER 182:

FOREST..FLORENCE...MARINETTE...LANGLADE...OCONTO...MENOMINEE...SHAWANO..
WAUPACA...OUTAGAMIE...BROWN...WAUSHARA...WINNEBAGO...CALUMET...MARQUETTE
...GREEN LAKE...FOND DU LAC...SAUK...COLUMBIA...IOWhA...LAFAYETTE...DOOR.

THE REST OF THE TORNADO WATCH FOR PARTS OF EASTERN AND SOUTHERN WISCONSIN
REMAINS IN EFFECT.

JOHNSTON

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.