Alert archive / Wisconsin / Flash Flood Warnings in 1992

Flash Flood Warning 1, NWS La Crosse, WI

September 14, 1992Vernon County, Wisconsin

NWS La Crosse, WI issued this flash flood warning at Sep 14, 1992, 8:55 AM CDT for Vernon County, Wisconsin. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Sep 14, 1992, 8:55 AM CDT (13:55 UTC)
Expired
Sep 14, 1992, 11:00 AM CDT
In force
2 hr
Issued by
NWS La Crosse, WI
Area
Whole counties

County Vernon County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 1.9 hours before the alert went out and 261 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 1992-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1992-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -127 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2516 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-127 m²/s²
0-3 km storm-relative helicity
227 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLSE 141355
FFWLSE
WIC123-141600-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
855 AM CDT MON SEP 14 1992
 
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1100 AM CDT
    FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST WISCONSIN
 
   ...VERNON COUNTY
 
AT 950 AM CDY VERNON COUNTY CIVIL DEFENSE REPORTED FLASH FLOODING IN
COON VALLEY IN VERNON COUNTY 15 MILES SOUTHEAST OF LA CROSSE.
 
IF FLASH FLOODING IS OBSERVED GO TO HIGHER GROUND AT ONCE.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
COUCH
 
NNNN

What forecasters said that day

The local office's own words before this flash flood 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 14, 6:01 AM CDT, 2 hours 54 minutes before
MNZ017-018-019-141200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCHESTER MN
600 AM CDT MON SEP 14 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10AM CDT FOR
   SOUTH CENTRAL AND SOUTHEAST MINNESOTA...
...FLASH FLOOD WATCH IN EFFECT UNTIL 10AM CDT MONDAY FOR
   SOUTHEAST AND A PORTION OF SOUTH CENTRAL MINNESOTA...

STRONG THUNDERSTORMS WITH VERY HEAVY RAIN...HAIL...DEADLY
LIGHTNING...AND GUSTY WINDS WERE MOVING THROUGH SOUTH CENTRAL
MINNESOTA.

AT 6AM CDT THE STRONGEST THUNDERSTORMS WERE LOCATED FROM ALBERT
LEA TO OWATONNA AND KENYON.  THE STORMS WERE MOVING EAST AT
30 MPH.

BY 630 AM CDT THE THUNDERSTORMS WILL BE MOVING INTO SOUTHEAST
MINNESOTA NEAR THE TOWNS OF ZUMBROTA...PINE ISLAND...ROCHESTER
HAYFIELD...AND AUSTIN.

IF YOU ARE IN THE PATH OF THE THUNDERSTORMS YOU CAN
EXPECT VERY HEAVY RAIN...DEADLY LIGHTNING...WIND GUSTS
TO 40 MPH...AND SOME SMALL HAIL.

PERSONS IN SOUTH CENTRAL AND SOUTHEAST MINNESOTA SHOFULD
LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THE THREAT OF SEVERE THUNDERSTORMS AND FLASH
FLOODING.

SCS
Special weather statement, Sep 14, 6:36 AM CDT, 2 hours 19 minutes before
MNZ017-018-019-141230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCHESTER MN
630 AM CDT MON SEP 14 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10AM CDT FOR
   SOUTH CENTRAL AND SOUTHEAST MINNESOTA...
...FLASH FLOOD WATCH IN EFFECT UNTIL 10AM CDT MONDAY FOR
   SOUTHEAST AND A PORTION OF SOUTH CENTRAL MINNESOTA...

STRONG THUNDERSTORMS WITH VERY HEAVY RAIN...HAIL...DEADLY
LIGHTNING...AND GUSTY WINDS WERE MOVING EAST AT 30 TO 35 MPH
THROUGH SOUTHEAST MINNESOTA.

AT 630AM CDT THE STRONGEST THUNDERSTORMS WERE MOVING INTO
DODGE AND MOWER COUNTIES AND EXTENDED FROM AUSTIN TO BLOOMING
PRAIRIE AND WEST CONCORD.

BY 7AM CDT THE THUNDERSTORMS WILL BE MOVING INTO OLMSTED COUNTY
INCLUDING THE TOWNS OF ROCHESTER AND STEWARTVILLE.

BY 730AM CDT THE THUNDERSTORMS WILL MOVE INTO THE EAST PART
OF OLMSTED COUNTY NEAR EYOTA...AND ALSO INTO FILLMORE COUNTY
NEAR SPRING VALLEY...FOUNTAIN...PRESTON...AND HARMONY.

IF YOU ARE IN THE PATH OF THE THUNDERSTORMS YOU CAN
EXPECT VERY HEAVY RAIN...DEADLY LIGHTNING...WIND GUSTS
TO 40 MPH...AND SOME SMALL HAIL.

PERSONS IN SOUTH CENTRAL AND SOUTHEAST MINNESOTA SHOULD
LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THE THRHEAT OF SEVERE THUNDERSTORMS AND FLASH
FLOODING THIS MORNING.

SCS
Special weather statement, Sep 14, 7:06 AM CDT, 1 hour 49 minutes before
WIZ010-014-141400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
706 AM CDT MON SEP 14 1992

...THUNDERSTORMS WERE SPREADING ACROSS THE LA CROSSE ARE...

AT 700 AM CDT...SHOWERS AND THUNDERSTORMS EXTENDED SOUTH OF A
LINE FROM TOMAH ABOUT 40 MILES EAST OF LA CROSSE TO ROCHESTER IN
SOUTHEAST MINNESOTA. THE THUNDERSTORMS COVERED MOST OF MONROE
LA CROSSE...VRNON AND CRAWFORD CONTIES.

THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR. THESE STORMS
COULD CAUSE BRIEF HEAVY RAINFALL AND DEADLY LIGHTNING. PONDING OF
WATER WILL BE POSSIBLE IN POORLY DRAINED AREAS. PERSONS IN THE
LA CROSSE AREA SHOULD STAY ALERT FOR THREATNING WEATHER AND BE
PREPARED TO GO INDOORS UNTIL STORMS PASS OVER YOUR LOCATION.

SHOWERS AND THUNDERSTORMA CAN BE EXPECTED TO SPREAD OVER THE
LA CROSSE AREA BY 800.

COUC
Special weather statement, Sep 14, 7:31 AM CDT, 1 hour 24 minutes before
MNZ017-018-019-141330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCHESTER MN
730 AM CDT MON SEP 14 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10AM CDT FOR
   SOUTH CENTRAL AND SOUTHEAST MINNESOTA...
...FLASH FLOOD WATCH IN EFFECT UNTIL 10AM CDT MONDAY FOR
   SOUTHEAST AND A PORTION OF SOUTH CENTRAL MINNESOTA...

STRONG THUNDERSTORMS WITH VERY HEAVY RAIN...HAIL...DEADLY
LIGHTNING...AND GUSTY WINDS WERE MOVING EAST AT 30 TO 35 MPH
THROUGH SOUTHEAST MINNESOTA.

AT 730AM CDT THE STRONGEST THUNDERSTORMS WERE OVER ROCHESTER
...EYOTA...AND STEWARTVILLE.  AT 707AM CDT THE THUNDERSTORMS
PRODUCED WIND GUSTS TO 52MPH AT THE ROCHESTER WEATHER SERVICE.
WIND GUSTS OF 40 MPH AND PEA SIZE HAIL WAS REPORTED NEAR
STEWARTVILLE.  WIND GUSTS OF 30 TO 35 MPH WERE REPORTED IN THE
CITY OF ROCHESTER.

BY 8AM CDT THE THUNDERSTORMS WILL MOVE INTO WINONA COUNTY
NEAR WHITEWATER STATE PARK...ALTURA...AND UTICA.  THE
THUNDERSTORMS WILL ALSO MOVE THROUGH FILLMORE COUNTY NEAR
FROM CHATFIELD TO FOUNTAIN...LANESBORO...PRESTON...AND
HARMONY.

IF YOU ARE IN THE PATH OF THE THUNDERSTORMS YOU CAN
EXPECT VERY HEAVY RAIN...DEADLY LIGHTNING...WIND GUSTS
TO 40 MPH...AND SOME SMALL HAIL.

RAINFALL AMOUNTS AROUND ROCHESTER HAVE RANGED FROM
.80 AT THE ROCHESTER WEATHER SERVICE TO 2.40 INCHES AT IBM IN
THE NORTHWEST PART OF THE CITY OF ROCHESTER. KASSON HAD
2.40 INCHES...HAYFIELD REPORTED 2.15 INCHES...ELGIN HAD
1.51 INCHES OF RAIN.

PER<SONS IN SOUTH CENTRAL AND SOUTHEAST MINNESOTA SHOULD
LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THE THREAT OF SEVERE THUNDERSTORMS AND FLASH
FLOODING THIS MORNING.

SCS
Special weather statement, Sep 14, 7:36 AM CDT, 1 hour 19 minutes before
WIZ010-014-141400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
735 AM CDT MON SEP 14 1992

...STRONG THUNDERSTORMS WERE HEADED FOR THE LA CROSSE AREA...

AT 730 AM CDT...SHOWERS AND THUNDERSTORMS WERE WEST OF A LINE FROM
MAXVILLE IN BUFFALO COUNTY ABOUT 55 MILES NORTHWEST OF LA CROSSE TO
SOLDIERS GROVE IN CRAWFORD COUNTY ABOUT 40 MILES SOUTHEAST OF
LA CROSSE. THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

THUNDERSTORMS ARE EXPECTED TO SPREAD OVER THE ENTIRE LA CROSSE AREA
THIS MORNING. SOME OF THESE STORMS WILL PRODUCE HEAVY RAINFALL.
DEADLY LIGHTNING AND GUSTY WIND WILL ALSO BE POSSIBLE. PONDING OF
WATE IN POORLY DRAINED OR LOW AREAS WILL LIKELY OCCUR. IN ADDITION
THERE WILL BE AREAS OF FOG THIS MORNING.

PERSONS IN THE LA CROSSE AREA SHOULD STAY ALERT FOR THREATNING
WEATHER THIS MORNING.

COUCH
Special weather statement, Sep 14, 8:16 AM CDT, 39 minutes before
WIZ010-014-141500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
816 AM CDT MON SEP 14 1992

...STRONG THUNDERSTORMS HAD SPREAD OVER THE LA CROSSE AREA...

AT 813 AM CDT...SHOWERS AND THUNDERSTORMS COVERED THE LA CROSSE AREA.

THE STORMS WERE MOVING EAST AT 35 MILES AN HOUR AND WILL AFFECT THE
LA CROSSE AREA THIS MORNING. SOME OF THE STORMS WILL CAUSE VERY HEAVY
RAINFALL AND DEADLY LIGHTNING. GUST WIND AND HAIL ARE ALSO POSSIBLE.
PONDING OF WATER IN LOW AREAS AND POORLY DRAINED LOCATIONS WILL
LIKELY OCCUR.

IN ADDITION...VISIBILITY WILL ALSO BE REDUCED IN AREAS OF FOG.

PERSONS IN THE LA CROSSE AREA SHOULD STAY ALERT FOR THREATNING
WEATHER THIS MORNING.

COUCH

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 11:39 AM CDTFlash Flood WarningARXCrawford4 hr

Nearby

Flash Flood Warnings in Wisconsin, 1992Every flash flood 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.