Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 8, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Apr 27, 1990, 5:50 PM CDT for Dane County, Wisconsin. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Apr 27, 1990, 5:50 PM CDT (22:50 UTC)
- Expired
- Apr 27, 1990, 6:45 PM CDT
- In force
- 55 min
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
County Dane 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, 10.8 hours before the alert went out and 189 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
- NaN m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 68 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 KMSN 272250
SVRMSN
WIC025-272345-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MADISON WI
550 PM CDT FRI APR 27 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE SOUTH CENTRAL PART OF WISCONSIN
DANE
AT 550 PM CDT NATIONAL WEATHER SERVICE RADAR DETECTED A CLUSTER
OF THUNDERSTORMS ENTERING SOUTH-CENTRAL DANE COUNTY MOVING
NORTH-NORTHEAST AT AROUND 30 MPH. SMALL HAIL..VERY HEAVY RAIN..
AND WINDS UP TO 60 MPH HAVE BEEN REPORTED WITH THESE STORMS.
SOME CITIES IN THE PATH OF THESE STORMS INCLUDE..BELLEVILLE..
BROOKLYN..OREGON..FITCHBURG..MCFARLAND..AND MADISON.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND NEAR WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS
SHOULD AVOID LOW WATER CROSSINGS.
IF YO;U ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.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 27, 5:47 PM CDT, 3 minutes before
WIZ005-008-009-012-013-270100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 540 PM CDT THU APR 26 1990 ...LINE OF VERY STRONG THUNDERSTORMS APPROACHING NORTHEAST WISCONSIN... AT 530...RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS FROM JUST NORTH OF MADISON NORTHWARD TO ABOUT 30 MILES WEST OF OSHKOSH AND EXTENDING TO JUST WEST OF WAUSAU. THE STRONGEST STORMS WERE LOCATED ABOUT 30 MILES WEST OF OSHKOSH...NEAR WAUTOMA TO NEAR GREEN LAKE. THE STORMS WERE MOVING NORTHEAST AT ABOUT 30 MILES AN HOUR. THESE STORMS WILL BE AFFECTING WINNEBAGO AND WAUPACA COUNTIES BY ABOUT 615 PM. WIND GUSTS TO 45 TO 50 MPH...SMALL HAIL AND DANGEROUS LIGHTNING ARE POSSIBLE WITH THESE :STORMS. IF YOU ARE IN THE PATH OF THESE STORMS BE PREPARED TO SEEK SAFE SHELTER. EB
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 5:19 PM CDT | Severe Thunderstorm Warning | GRB | Green | 41 min |
Nearby
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.