Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 32, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 26, 1990, 9:37 AM CDT for Ozaukee County, Wisconsin. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Aug 26, 1990, 9:37 AM CDT (14:37 UTC)
- Expired
- Aug 26, 1990, 10:15 AM CDT
- In force
- 38 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Ozaukee County, WI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 2.6 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.
- Mixed-layer CAPE
- 2856 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 554 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 106 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 7.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMKE 261441
SVRMKE
WIC089-261515-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
937 AM CDT SUN AUG 26 1990
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING AND
SPECIAL MARINE WARNING EFFECTIVE UNTIL 1015 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST WISCONSIN
...OZAUKEE
AND ADJOINING COASTAL WATERS OF LAKE MICHIGAN.
RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS APPROCHING WESTERN
OZAUKEE COUNTY. AT 935 PM WIND GUSTS OF 64 MPH WERE REPORTED IN
KEWAUSKUM 36 MILES NORTH NORTHWEST OF MILWAUKEE...AND WINDS IN EXCESS
OF 50 MPH IN GERMANTOWN...BOTH IN WASHINGTON COUNTY. THE LINE IS MOVINGEAST AROUND 40 MPH AND WILL BE AFFECTING THE TOWNS OF GRAFTON
...CEDARBURG MEQUON AND PORT WASHINGTON.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.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 26, 5:21 AM CDT, 4 hours 16 minutes before
WIZ004-007-261300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 520 AM CDT SUN AUG 26 1990 ...THUNDERSTORMS MOVING THRU CENTRAL WISCONSIN... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE CENTRAL WISCONSIN COUNTIES OF LINCOLN...TAYLOR...MARATHON AND CLARK. AT 515 AM WEATHER RADAR SHOWS THE LEADING EDGE OF AN AREA OF THUNDERSTORMS EXTENDING FROM 20 MILES NORTHEAST OF WAUSAU...TO THE CITY OF MARATHON IN MARATHON COUNTY/10 MILES WEST OF WAUSAU...TO NIELSVILLE IN CLARK COUNTY/50 MILES SOUTHWEST OF WAUSAU. THE STORMS ARE MOVING SOUTHEAST AT 30 MPH AND WILL BE ENTERING THE CITY OF WAUSAU BY 530 AM. AT 450 AM THIS MORNING THE CLARK COUNTY SHERIFFS DEPARTMENT REPOIRTED HEAVY RAIN AND STRONG GUSTY WINDS WITH THIS AREA OF STORMS. NO DAMAGE WAS REPORTED. PERSONS IN CENTRAL WISCONSIN SHOULD BE ON THE LOOKOUT FOR THESE STORMS AND GO TO A PLACE OF SAFETY IF CONDITIONS BECOME THREATENING. HELMAN
Special weather statement, Aug 26, 7:07 AM CDT, 2 hours 30 minutes before
WIZALL-261300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 700 AM CDT SUN AUG 26 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 681 FOR NORTHWEST AND NORTH CENTRAL WISCONSIN IS NO LONGER IN EFFECT... THE SEVERE THUNDERSTORM WATCH THAT HAD BEEN IN EFFECT FOR NORTHWEST AND NORTH CENTRAL WISCONSIN HAS EXPIRED. SHOWERS AND A FEW THUNDERSTORMS WILL CONTINUE FOR A TIME IN THOSE AREAS BUT NO SEVERE WEATHER IS EXPECTED THERE. HOWEVER A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 11 AM FOR A LARGE PART OF THE STATE TO THE SOUTH OF THE EARLIER WATCH...IN A SWATH FROM THE SOUTHWEST TO THE NORTHEAST. SOUTHEAST AND FAR SOUTHERN WISCONSIN ARE NOT INCLUDED. AT 7 AM THE MOST INTENSE THUNDERSTORMS WERE OVER THE SOUTHWEST NEAR AND EAST OF LA CROSSE...AND IN THE NORTHEAST FROM ABOUT GREEN BAY NORTHWARD. OSTER
Special weather statement, Aug 26, 8:28 AM CDT, 1 hour 9 minutes before
WIZ010-011-014-015-018-019-261500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 825AM CDT SUN AUG 26 1990 ...HEAVY RAINS AND INTENSE LIGHTNING IN SAUK COUNTY... AT 820AM CDT THE SAUK COUNTY SHERIFFS OFFICE REPORTED VERY HEAVY RAINS AND INTENSE LIGHTNING IN THE BARABOO AREA. THIS STORM WAS MOVING TOWARDS THE SOUTHEAST AT 35 MPH...WHICH WOULD PUT THIS STORM INTO COLUMBIA COUNTY BY 835AM CDT. OUTDOOR INTERESTS IN THE PATH OF THFIS STORM..SHOULD SEEK INDOOR SHELTER AND MOTORIST SHOULD SLOW DOWN DUE TO REDUCED VISIBILITIES AND POSSIBLE HYDROPLANING ON THE ROAD. STIMACH
Special weather statement, Aug 26, 8:43 AM CDT, 54 minutes before
WIZ012-016-261500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 843 AM CDT SUN AUG 26 1990 ...INTENSE THUNDERSTORMS APPROACHING SOUTHEAST WISCONSIN... AT 840 AM CDT A LINE OF INTENSE THUNDERSTORMS WAS LOCATED FROM NORTH OF DUBUQUE IOWA TO NORTHWEST OF MADISON TO NEAR NEENAH. THE LINE WAS MOVING SOUTHEAST AT 40 MPH. THIS LINE WILL MOVE INTO THE WESTERN PARTS OF FOND DU LAC AND DODGE COUNTIES BY 900 AM AND WILL ENTEfR JEFFERSON COUNTY BY 930 AM. THIS LINE IS PRODUCING WINDS IN EXCESS OF 50 MPH...VERY HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER IMMEDIATELY. HAASE
Special weather statement, Aug 26, 9:22 AM CDT, 15 minutes before
WIZALL-261500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 920 AM CDT SUN AUG 26 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 682 FOR A LARGE PART OF WISCONSIN CAMCELLED... THE SEVERE THUNDERSTORM WATCH THAT HAD BEEN IN EFFECT FOR A LARGE PART OF WISCONSIN HAS BEEN CANCELLED. SHOWERS AND A FEW THUNDERSTORMS WILL CONTINUE FOR A TIME THIS MORNING BUT NO SEVERE WEATHER IS EXPECTED. ZAJDEL
Local storm report, Aug 26, 9:37 AM CDT, 0 minutes before
STORM REPORT....PRELIMINARY....
NATIONAL WEATHER SERVICE MADISON WI
9:30 AM CDT SUN AUG 26 1990
8:30AM CDT.....COLUMBIA COUNTY SHERIFF`S OFFICE REPORTED A POSSIBLE
FUNNEL..POSSIBLY A TOUCHDOWN.
8:35AM CDT.....DANE COUNTY SHERIFF AT DEFOREST REPORTED ESTIMATED 60
MPH WINDS.
8:51AM CDT.....ESTIMATED 50 MPH REPORTED BY THE COLUMBIA COUNTY SHERIFF
AT PORTAGE.
GJGNearby
Severe Thunderstorm Warnings in Wisconsin, 1990Every severe thunderstorm warning in 1990
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.