Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 32, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Sep 9, 1990, 8:19 PM CDT for Green Lake County, Wisconsin. It was in force for 41 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 9, 1990, 8:19 PM CDT (01:19 UTC)
- Expired
- Sep 9, 1990, 9:00 PM CDT
- In force
- 41 min
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
County Green Lake County, WI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 9, 8:30 PM CDT | Hail 0.75 | Green Lake, WI |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.3 hours before the alert went out and 107 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
- 1958 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1018 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSN 100119
SVRMSN
WIC047-100200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MADISON WI
819 PM CDT SUN SEP 9 1990
THE NATIONAL WEATHER SERVICE IN MADISON WIHAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH CENTRAL WISCONSIN
...GREEN LAKE
AT 810 PM CDT A SEVERE THUNDERSTORM WAS DETECTED BY RADAR 10 MILES
NORTHWEST OF BERLIN OR 50 MILES NORTH NORTHEAST OF MADISON MOVING EAST
SOUTHEAST AT 30 MPH.
THIS STORM HAS A HISTORY OF 3/4 INCH HAIL AND WINDS IN EXCESS OF 50
MPH. TORRENTIAL RAINS AND INTENSE CLOUD TO GROUND LIGHTNING HAVE
ALSO BEEN REPORTED.
SOME CITIES IN THE PATH OF THE STORM ARE BERLIN.
IF YOU ARE CAUGHT OUTSIDE...SEEK 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.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
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.
NOAHWhat 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, Sep 9, 4:47 PM CDT, 3 hours 32 minutes before
WIZ005-008-009-012-013-070100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 445 PM CDT SUN SEP 09 1990 AT 445 PM CDT...WEATHER RADAR INDICATED A STRONG THUNDERSTORM IN SOUTHERN KEWAUNEE AND NORTHERN MANITOWOC COUNTIES BETWEEN THE CITIES OF KEWAUNEE AND TWO RIVERS. THE STORM WILL BE MOVING OUT OVER LAKE MICHIGAN BETWEEN 450 PM AND 515 PM CDT. BOATERS IN THAT AREA SHOULD SEEK SAFE HARBOR. GUSTY WINDS...DANGEROUS LIGHTNING...BRIEF HEAVY RAIN AND SMALL HAIL CAN BE EXPECTED WITH THIS STORM. BB
Special weather statement, Sep 9, 6:26 PM CDT, 1 hour 53 minutes before
WIZ005-008-009-012-013-070100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 615 PM CDT SUN SEP 09 1990 AT 615 PM CDT...WEATHER RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS IN SOUTHERN OUTAGAMIE..SOUTHERN BROWN...SOUTHERN KEWAUNEE..NORTHERN WINNEBAGO...NORTHERN CALUMET...AND NORTHERN MANITOWOC COUNTIES. THE LINE ALSO EXTENDS EAST INTO LAKE MICHIGAN. THE LINE EXTENDS FROM ABOUT 15 MILES WEST OF OSHKOSH EAST NORTHEAST THROUGH THE FOX CITIES...THEN TO DENMARK WHICH IS ABOUT 15 MILES SOUTHEAST OF GREEN BAY...THEN IT EXTENDS EAST NORTHEAST THROUGH KEWAUNEE AND THEN OUT OVER LAKE MICHIGAN. THE LINE OF STORMS IS MOVING EAST SOUTHEAST AT ABOUT 30 MPH. THE STORMS WILL BE MOVING THROUGH THE FOX VALLEY AND INTO THE CITIES OF OSHKOSH...CHILTON AND TWO RIVERS AND MANITOWOC BETWEEN 615 PM AND 730 PM. PEA SIZE HAIL WAS REPORTED WITH THESE STORMS NEAR APPLETON. DANGEROUS LIGHTNING...GUSTY WINDS...HEAVY RAIN...AND SMALL HAIL CAN BE EXPECTED WITH THESE STORMS. BB
Special weather statement, Sep 9, 7:13 PM CDT, 1 hour 6 minutes before
WIZ-008-009-012-013-100100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 700 PM CDT SUN SEP 09 1990 AT 700 PM CDT...WEATHER RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS EXTENDING WEST TO EAST ACROSS THE NORTHERN TWO THIRDS OF WINNEBAGO AND CALUMET COUNTIES AND NORTH HALF OF MANITOWOC COUNTY. THE LINE ALSO EXTENDS EAST OVER LAKE MICHIGAN. THE STORMS HAVE MOVED OUT OF OUTAGAMIE...BROWN... AND KEWAUNEE COUNTIES. THEY WILL BE MOVING THROUGH WINNEBAGO...CALUMET...AND MANITOWOC COUNTIES BETWEEN 700 PM AND 800 PM CDT THIS EVENING. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS BUT SEVERAL REPORTS OF HEAVY RAIN HAVE BEEN RECEIVED AND ONE REPORT OF PEA SIZE HAIL NEAR APPLETON. DANGEROUS LIGHTNING...HEAVY RAIN...GUSTY WINDS...AND SMALL HAIL CAN BE EXPECTED WITH THESE STORMS. BOATERS ON LAKE MICHIGAN IN MANITOWOC COUNTY SHOULD SEEK SAFE HARBOR. IF YOU ARE DRIVING BE ALERT TO STREET FLOODING ESPECIALLY IN UNDERWPASSES AND OTHER LOW AREAS. BB
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 7:27 PM CDT | Tornado Warning | GRB | Calumet, Winnebago | 48 min |
| Sep 9, 7:45 PM CDT | Severe Thunderstorm Warning | GRB | Waushara | 60 min |
| Sep 9, 10:56 PM CDT | Severe Thunderstorm Warning | GRB | Adams | 49 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.