Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 33, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Sep 9, 1990, 10:56 PM CDT for Adams County, Wisconsin. It was in force for 49 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, 10:56 PM CDT (03:56 UTC)
- Expired
- Sep 9, 1990, 11:45 PM CDT
- In force
- 49 min
- Issued by
- NWS Green Bay, WI
- Area
- Whole counties
County Adams 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, 11:10 PM CDT | Hail 0.75 | Adams, 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, 3.9 hours before the alert went out and 145 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 100356
SVRMSN
WIC001-100445-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MADISON WI
1056 PM CDT SUN SEP 9 1990
THE NATIONAL WEATHER SERVICE IN MADISON WIHAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH CENTRAL WISCONSIN
...ADAMS
AT 1050 PM CDT RADAR DETECTED A CLUSTER OF SEVERE THUNDERSTORMS NEAR
MONROE CENTER OR 60 MILES NORTHWEST OF MADISON MOVING TO THE EAST
SOUTHEAST AT 30 MPH. THESE STORMS HAVE HAD A HISTORY OF LARGE HAIL AND
STRONG WINDS.
SOME CITIES IN THE PATH OF THE STORM ARE FRIENDSHIP AND ADAMS.
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, 6:26 PM CDT, 4 hours 30 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, 3 hours 43 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
Special weather statement, Sep 9, 9:00 PM CDT, 1 hour 56 minutes before
WIZ-012-100230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 850 PM CDT SUN SEP 09 1990 AT 850 PM CDT...WEATHER RADAR INDICATED A VERY STRONG THUNDERSTORM IN SOUTHWEST WINNEBAGO COUNTY. THE STORM IS ABOUT 10 MILES WEST SOUTHWEST OF OSHKOSH. IT IS MOVING EAST SOUTHEAST AT 30 MPH AND WILL CONTINUE MOVING THROUGH SOUTHERN WINNEBAGO COUNTY BETWEEN 850 PM AND 930 PM CDT THIS EVENING. SOME CITIES IN THE PATH OF THE STORM ARE WAUKAU...RUSH LAKE...AND PICKETT. NO SEVERE WEATHER HAS BEEN REPORTED WITH THIS STORM ALTHOUGH DANGEROUS LIGHTNING...GUSTY WINDS...SMALL HAIL AND HEAVY RAIN CAN BE EXPECTED. YOU SHOULD ALSO BE ALERT TO STREET FLOODING AND FLOODING IN LOW LYING AREAS. BB[
Special weather statement, Sep 9, 10:32 PM CDT, 24 minutes before
WIZ-005-008-009-013-100345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 1030 PM CDT SUN SEP 09 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11PM CDT... AT 1030 WEATHER SERVIC
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, 8:19 PM CDT | Severe Thunderstorm Warning | GRB | Green Lake | 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.