Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 136, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 9, 1990, 8:56 PM CDT for Clark County, Wisconsin. It was in force for 34 min. 2 reports 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, 8:56 PM CDT (01:56 UTC)
- Expired
- Sep 9, 1990, 9:30 PM CDT
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Clark 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, 9:11 PM CDT | Hail 1 | Clark, WI | |
| Sep 9, 9:35 PM CDT | Hail 2.75 | Clark, 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, 1.9 hours before the alert went out and 201 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 KMKE 100158
SVRMKE
WIC019-100230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
856 PM CDT SUN SEP 9 1990
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS EXTENDED THE
SEVERE THUNDERSTORM WARNING UNTIL 930 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL WISCONSIN
...CLARK
AT 900 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM NEAR GREENWOOD
OR ABOUT 50 MILES WEST SOUTHWEST OF WAUSAU. THIS STORM IS MOVING EAST
SOUTHEAST AROUND 25 MPH AND WILL BE AFFECTING THE TOWNS OF LOYAL
CHRISTIE AND CHILI.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 TMPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.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, Sep 9, 6:57 PM CDT, 1 hour 59 minutes before
MNZ016-018-019-100100-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
655 PM CDT SUN SEP 9 1990
THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH
NUMBER 738 FOR THE TWIN CITIES 7 COUNTY METROPOLITAN AREA.
THE COUNTIES NO LONGER IN THE WATCH ARE...
TWIN CITIES COUNTIES...ANOKA...CARVER...DAKOTA...HENNEPIN...RAMSEY...
SCOTT...WASHINGTON
THE SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 11 PM FOR ALL OF SOUTHEAST
MINNESOTA AS WELL AS PART OF THE SOUTH CENTRAL. THOSE COUNTIES STILL
IN THE WATCH ARE...
RICE...WASECA...STEELE...FREEBORN...LE SEUER...GOODHUE...WABASHA...
DODGE...OLMSTEAD...WINONA...MOWER...FILLMORE...HOUSTON
KRAUSEThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 7:34 PM CDT | Severe Thunderstorm Warning | MPX | Pepin | 41 min |
| Sep 9, 8:03 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 27 min |
| Sep 9, 8:13 PM CDT | Severe Thunderstorm Warning | MPX | Pepin, Pierce | 47 min |
| Sep 9, 9:31 PM CDT | Severe Thunderstorm Warning | MPX | Clark | 29 min |
| Sep 9, 10:00 PM CDT | Severe Thunderstorm Warning | MPX | Clark | 45 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.