Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 61, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 10, 1992, 12:49 AM CDT for Eau Claire County, Wisconsin. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Aug 10, 1992, 12:49 AM CDT (05:49 UTC)
- Expired
- Aug 10, 1992, 1:30 AM CDT
- In force
- 41 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Eau Claire County, WI
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 5.8 hours before the alert went out and 183 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
- 5696 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 915 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 100550 SVRMSP WIC035-100615- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1249 AM CDT MON AUG 10 1992 THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 100 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL WISCONSIN ...SOUTHEASTERN EAU CLAIRE COUNTY A SEVERE THUNDERSTORM WAS OCCURRING 25 MILES SOUTHEAST OF THE CITY OF EAU CLAIRE OVER SOUTHEAST EAU CLAIRE COUNTY OF WEST CENTRAL WISCONSIN...NEAR THE TOWN OF FAIRCHILD...AT 1247 AM. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM. MOVEMENT WAS TO THE SOUTHEAST AT 15 MILES AN HOUR. THE TOWN OF FAIRCHILD IS IN THE PATH OF THIS SEVERE THUNDERSTORM. 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. NAISTAT
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, Aug 9, 10:57 PM CDT, 1 hour 52 minutes before
MNZ012>019-100430- SPECIAL WEATHER STATEMENT...CORRECTED 2ND PARAGRAPH...LAST LINE NATIONAL WEATHER SERVICE MINNEAPOLIS/ ST. PAUL MN 1035 PM CDT SUN AUG 9 1992 ...TORNADO WATCH NUMBER 742 IN EFFECT FOR PARTS OF CENTRAL AND SOUTHERN MINNESOTA INCLUDING THE TWIN CITIES METRO AREA AND WEST CENTRAL WISCONSIN UNTIL 2 AM CDT MONDAY MORNING... AT 1035 PM CDT...RADAR INDICATED A 75 MILE WIDE AREA OF STRONG THUNDERSTORMS FROM PHILLIPS IN NORTH CENTRAL WISCONSIN TO JUST EAST OF THE TWIN CITIES IN EXTREME WEST CENTRAL WISCONSIN. THE AREA WAS MOVING TOWARD THE SOUTHEAST AT 20 MPH. DEADLY LIGHTNING...HAIL...AND STRONG WINDS ARE POSSIBLE WITH THE STRONGER THUNDERSTORMS. BY 1145 PM CDT THE LEADING EDGE OF THE THUNDERSTORMS WILL EXTEND FROM MEDFORD TO DURAND IN WISCONSIN. OTHER THUNDERSTORM WERE LOCATED OVER THE SOUTHERN SUBURBS OF THE TWIN CITIES...NEAR NEW ULM AND JUST NORTH OF WORTHINGTON. THESE THUNDERSTORMS WERE DRIFTING TOWARD THE SOUTH. DEADLY LIGHTNING...HAIL...AND WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS THUNDERSTORM. BY 1130 PM CDT THE THUNDERSTORM WILL HAVE CROSSED THROUGH WHEELER...COLFAX...AND CEDAR FALLS. REMEMBER...A TORNADO WATCH CONTINUES IN EFFECT FOR WEST CENTRAL WISCONSIN UNTIL 2 AM MONDAY MORNING. NAISTAT
Local storm report, Aug 9, 11:14 PM CDT, 1 hour 35 minutes before
PRELIMINARY LOCAL STROM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1111 PM CDT SUN AUG 09 1992
STORM DATA FOR MINNEAPOLIS COUNTY AREAS OF RESPONSIBILITY ON AUG 9
TIME COUNTY...LOCATION AND STATE CHARACTER OF STORM...DAMAGE
................................................................................ 1030 CDT EASTERN RUSK COUNTY OF SEVERAL LARGE TREES DOWN IN
NORTHWEST WISCONSIN THE TOWN OF TONY WHICH IS 4
MILES EAST OF LADYSMITH.
DOWNED TREES ARE BLOCKING
HIGHWAY 8 IN THE TOWN.
6 DAMAGE APPEARED TO BE CAUSED
BY STRONG DOWNBURST OR
STRAIT LINE WINDS.Local storm report, Aug 9, 11:15 PM CDT, 1 hour 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1111 PM CDT SUN AUG 09 1992
STORM DATA FOR MINNEAPOLIS COUNTY AREAS OF RESPONSIBILITY ON AUG 9
TIME COUNTY...LOCATION AND STATE CHARACTER OF STORM...DAMAGE
................................................................................ 1030 CDT EASTERN RUSK COUNTY OF SEVERAL LARGE TREES DOWN IN
NORTHWEST WISCONSIN THE TOWN OF TONY WHICH IS 4
MILES EAST OF LADYSMITH.
DOWNED TREES ARE BLOCKING
HIGHWAY 8 IN THE TOWN.
B DAMAGE APPEARED TO BE CAUSED
BY STRONG DOWNBURST OR
STRAIT LINE WINDS.Special weather statement, Aug 9, 11:38 PM CDT, 1 hour 11 minutes before
MNZ011>019-100600- SPECIAL WEATHER STATMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 1140 PM CDT SUN AUG 9 1992 ...TORNADO WATCH NUMBER 742 NO LONGER IN EFFECT IN MINNESOTA... THE MINNESOTA PORTION OF TORNADO WATCH NUMBER 742 HAS BEEN CANCELED. NAISTAT
Special weather statement, Aug 9, 11:56 PM CDT, 53 minutes before
MNZ015>019-WIZ006-100545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS ST. PAUL MN 1150 PM CDT SUN AUG 9 1992 ...STRONG THUNDERSTORMS MOVING ACROSS WEST CENTRAL WISCONSIN... AT 1140 PM...RADAR INDICATED STRONG THUNDERSTORMS FROM RHINELANDER TO NEAR EAU CLAIRE. THESE STRONG THUNDERSTORMS WERE MOVING TOWARD THE SOUTHEAST AT 20 MPH. BY 1245 AM...THE LEADING EDGE OF THESE THUNDERSTORMS WILL EXTEND FROM WAUSAU TO OSSEO. OSSEO IS ABOUT 25 MILES SOUTHEAST OF EAU CLAIRE. THESE STRONG THUNDERSTORMS CONTAIN DEADLY LIGHTNING...HEAVY RAIN...AND OCCASIONALLY HAIL AND STRONG WINDS. REMEMBER A TORNADO WATCH IS IN EFFECT FOR A LARGE PART OF WISCONSIN UNTIL 5 AM CDT MONDAY MORNIN\G. NAISTAT
Special weather statement, Aug 10, 12:46 AM CDT, 3 minutes before
MNZ016-WIZ003-006-100645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 1245 AM CDT MON AUG 10 1992 STRONG THUNDERSTORMS CONTINUED OVER WEST CENTRAL WISCONSIN AT 1245 AM. THEY WERE ALONG THE EAU CLAIRE...JACKSON COUNTY LINE SOUTH OF AUGUSTA. ANOTHER STRONG THUNDERSTORM WAS NORTH OF CREAM IN NORTHERN BUFFALO COUNTY. SOME OF THESE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS ...LARGE HAIL...VERY HEAVY RAINFALL...AND FREQUENT DEADLY LIGHTNING. MOVEMENT WAS TO SOUTHEAST AT 25 MILES AN HOUR. PERSONS ENGAGED IN OUTDO ACTIVITIES SHOULD BE READY TO SEEK SAFE SHELTER.
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 9:52 PM CDT | Tornado Warning | MPX | Rusk | 53 min |
| Aug 10, 12:09 AM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 36 min |
| Aug 10, 12:39 AM CDT | Severe Thunderstorm Warning | MPX | Clark | 66 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1992Every severe thunderstorm warning in 1992
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.