Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 12, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Sep 9, 1990, 7:32 PM CDT for Buffalo County, Wisconsin. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Sep 9, 1990, 7:32 PM CDT (00:32 UTC)
- Expired
- Sep 9, 1990, 8:30 PM CDT
- In force
- 58 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Buffalo 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, 0.5 hours before the alert went out and 155 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 6:30 PM CDT, 1 hour 2 minutes before
WIZ010-014-100100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 625 PM CDT SUN SEP P 1990 ...SEVERE THUNDERSTORM WATCH FOR MUCH OF THE LA CROSSE AREA UNTIL 1100 PM CDT... AT 625 PM...A FEW ISOLATED SHOWERS WERE INDICATED OVER SOUTHEAST MINNESOTA...BUT NO THUNDERSTORM ACTIVITY WAS OCCURING IN THE TRI STATE AREA. HOWEVER...A SEVERE THUNDERSTORM WAS OVER NORTHERN PIERCE COUNTY OF WEST CENTRAL WISCONSIN ABOUT 100 MILES NORTHWEST OF LA CROSSE ...AND MORE THUNDERSTORM ACTIVITY IS EXPECTED TO DEVELOP. DUE TO THE VERY COLD AIR IN THE UPPER LEVELS OF THE ATMOSPHERE... THERE IS A GOOD POTENTIAL FOR HAIL WITH ANY THUNDERSTORM THAT DOES DEVELOP. PEOPLE IN THE LA CROSSE ARE#A SHOULD SHOULD PULL VEHICLES INTO A GARAGE IF POSSIBLE. LISTEN TO RADIO...OR TV OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. BRUCE
Special weather statement, Sep 9, 6:39 PM CDT, 53 minutes before
WIZ010-014-100100- SPECIAL WEATHER STATEMENT...CORRECTED DATE... NATIONAL WEATHER SERVICE LA CROSSE WI 625 PM CDT SUN SEP 9 1990 ...SEVERE THUNDERSTORM WATCH FOR MUCH OF THE LA CROSSE AREA UNTIL 1100 PM CDT... AT 625 PM...A FEW ISOLATED SHOWERS WERE INDICATED OVER SOUTHEAST MINNESOTA...BUT NO THUNDERSTORM ACTIVITY WAS OCCURING IN THE TRI STATE AREA. HOWEVER...A SEVERE THUNDERSTORM WAS OVER NORTHERN PIERCE COUNTY OF WEST CENTRAL WISCONSIN ABOUT 100 MILES NORTHWEST OF LA CROSSE ...AND MORE THUNDERSTORM ACTIVITY IS EXPECTED TO DEVELOP. DUE TO THE VERY COLD AIR IN THE UPPER LEVELS OF THE ATMOSPHERE... THERE IS A GOOD POTENTIAL FOR HAIL WITH ANY THUNDERSTORM THAT DOES DEVELOP. PEO0PLE IN THE LA CROSSE AREA SHOULD SHOULD PULL VEHICLES INTO A GARAGE IF POSSIBLE. LISTEN TO RADIO...OR TV OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. BRUCE
Special weather statement, Sep 9, 7:02 PM CDT, 30 minutes before
MNZ019-091330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER MN 700 PM CDT SUN SEP 9 1990 ...SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTH CENTRAL MINNESOTA AND ALL OF SOUTHEAST MINNESOTA UNTIL 11PM. AT 645 PM ROCHESTER WEATHER RADAR INDICATED MAINLY LIGHT SHOWERS OVER SOUTHEAST MINNESOTA NEAR HARMONY AND PRESTON 30 MILES SOUTHEAST OF ROCHESTER. ANOTHER SHOWER WAS LOCATED JUST EAST OF ALBERT LEA. SHOWERS WERE MOVING EAST AT 25 MPH. NO SEVERE WEATHER HAS OCCURRED OVER SOUTH CENTRAL AND SOUTHEAST MINNESOTA AS OF 645 PM. BELLES
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 8:27 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 63 min |
| Sep 9, 9:06 PM CDT | Severe Thunderstorm Warning | ARX | Trempealeau | 69 min |
| Sep 9, 9:30 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse | 60 min |
| Sep 9, 10:22 PM CDT | Severe Thunderstorm Warning | ARX | Jackson, Monroe | 68 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.