Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 132, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 9, 1990, 7:34 PM CDT for Pepin County, Wisconsin. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Sep 9, 1990, 7:34 PM CDT (00:34 UTC)
- Expired
- Sep 9, 1990, 8:15 PM CDT
- In force
- 41 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Pepin 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
Minneapolis, MN (KSTC), launched 00:00Z, 0.6 hours before the alert went out and 122 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
- 1409 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 1075 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSP 100035
SVRMSP
WIC091-100115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
734 PM CDT SUN SEP 9 1990
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN WEST CENTRAL WISCONSIN
...EASTERN PEPIN
AT 732 PM...A SEVERE THUNDERSTORM WAS LOCATED 10 MILES EAST OF PLUM
CITY...25 MILES SOUTHWEST OF THE CITY OF EAU CLAIRE. MOVEMENT WAS TO
THE EAST SOUTHEAST AT 20 MILES AN HOUR. LARGE HAIL AND DAMAGING WINDS
MAY BE EXPECTED WITH THIS STORM. THIS STORM IS HEADING DIRECTLY FOR
THE CITY OF DURAND.
WHEN THUNDERSTORMS ARE OCCURRING.,.MOVE INSIDE A STRONG BUILDING
DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL
APPLIANCES UNLESS IN AN EMERGENCY. REMEMBER SEVERE THUNDERSTORMS
CAN AND OCCASIONALLY DO PRODUCE TORNADOS WITH LITTLE OR NO WARNING.
NAISTATWhat 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, 37 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, 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, 8:56 PM CDT | Severe Thunderstorm Warning | MPX | Clark | 34 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; the sounding from the Mesonet's radiosonde archive.