Alert archive / Wisconsin / Flash Flood Warnings in 1993

Flash Flood Warning 5, NWS La Crosse, WI

June 20, 1993Jackson County, Wisconsin

NWS La Crosse, WI issued this flash flood warning at Jun 20, 1993, 4:00 PM CDT for Jackson County, Wisconsin. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 1993, 4:00 PM CDT (21:00 UTC)
Expired
Jun 21, 1993, 3:00 AM CDT
In force
11 hr
Issued by
NWS La Crosse, WI
Area
Whole counties

County Jackson County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.0 hours before the alert went out and 216 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, Green Bay/Straub, WI at 12:00Z on 1993-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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, Green Bay/Straub, WI at 12:00Z on 1993-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
577 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
25 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 202102
FFWLSE
WIC053-210800-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
400 PM CDT SUN JUN 20 1993

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  700 AM CDT MONDAY JUNE 21
    FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN WEST CENTRAL WISCONSIN

   ...JACKSON COUNTY...
   ...FOR THE AREAS ALONG THE BLACK RIVER...

DUE TO THE DAM BREAK AT HATFIELD...THE NATIONAL WEATHER SERVICE HAS
EXTENDED THE FLASH FLOOD WARNING ALONG THE BLACK RIVER IN JACKSON
COUNTY UNTIL 700 AM MONDAY MORNING.

MANY ROADS ARE CLOSED DUE TO HIGH WATER AND ALL NON-EMERGENCY TRAVEL
IS STRONGLY DISCOURAGED BY COUNTY OFFICIALS.  I-94 IS AMONG THE
ROADS THAT ARE CLOSED.  COUNTY OFFICIALS ARE STILL REQUESTING THAT
THE PHONES BE RESERVED FOR EMERGENCY USAGE ONLY.

A FLOOD WARNING IS ALSO IN EFFECT FOR THE REMAINDER OF THE BLACK
RIVER INCLUDING LA CROSSE...MONROE...AND TREMPEALEAU COUNTIES.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING. MOST FLASH
FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY
TO CROSS A FLOWING STREAM...EVEN A SMALL ON"E...ON FOOT. TO ESCAPE
RISING WATER MOVE UP TO HIGHER GROUND.

&
INGRAM/BRUCE

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, Jun 20, 10:33 AM CDT, 5 hours 27 minutes before
WIZ010-014-210200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1030 AM CDT SUN JUN 20 1993

...FLASH FLOOD WARNING FOR JACKSON COUNTY UNTIL 445 PM...

THE OFFICE OF EMERGENCY GOVERNMENT IN JACKSON COUNTY HAS REQUESTED
THAT ALL PHONE LINES BE RESERVED FOR EMERGENCY USAGE ONLY.

TV AND RADIO STATIONS....

THE NATIONAL WEATHER SERVICE IN LA CROSSE IS IN CONSTANT CONTACT WITH
JACKSON COUNTY OFFICIALS...AND WE WILL BE RELAYING INFORMATION TO YOU
UNDER FLASH FLOOD STATEMENTS...AFOS HEADER MKEFFSLSE AND NOAA WEATHER
RADIO. DO NOT CALL THEM AND DO NOT CALL THE NATIONAL WEATHER SERVICE.
WE ARE DOING EVERYTHING WE CAN TO GET THE INFORMATION TO YOU.

YOUR COOPERATION IN THIS MA$TTER IS URGENTLY NEEDED AND APPRECIATED.

INGRAM/BRUCE
Special weather statement, Jun 20, 1:06 PM CDT, 2 hours 54 minutes before
WIZ010-014-202100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
105 PM CDT SUN JUN 20 1993

...IT HAS BEEN WET IN LA CROSSE...

RAINFALL TOTALS AT THE LA CROSSE AIRPORT INCLUDE 3.12 INCHES ON
SATURDAY...7.34 INCHES DURING THE PAST 4 DAYS...AND 8.35 INCHES
DURING THE PAST WEEK.  THE TOTAL FOR THE MONTH OF JUNE THROUGH
SUNDAY MORNING IS 9.78 INCHES.  NORMAL PRECIPITATION FOR THE ENTIRE
MONTH IS 3.90 INCHES.  THE RECORD FOR THE MONTH OF JUNE IS 11.56
INCHES SET IN 1899.

PRECIPITATION IN LA CROSSE FOR 1993 HAS BEEN 26.64 INCHES THROUGH
THIS MORNING.  NORMAL PRECIPITATION FOR THE ENTIRE YEAR IS 30.55
INCHES AND THE RECORD FOR AN ENTIRE YEAR IS 44.74 INCHES IN 1881.
PRECIPITATION HAS BEEN ABOVE NORMAL THE LAST 4 YEARS WITH 38.18
INCHES IN 1990...42.52 INCHES IN 1991...AND 33.06 IN 1992.

THERE WILL STILL BE A FEW SCATTERED LIGHT SHOWERS TODAY...BUT
NO SIGNIFICANT PRECIPITATION WILL FALL...AND IT WILL NOT
AGGRAVATE FLOODING PROBLEMS.

DRY WEATHER IS FORECAST FOR MONDAY AND TUESDAY.  ANOTHER STRONG
FRONTAL SYSTEM IS EXPECTED TO BEGIN TO AFFECT THE LA CROSSE AREA BY
WEDNESDAY AFTERNOON...WITH MORE THUNDERSTORMS AND HEAVY RAIN POSSIBLE
WEDNESDAY NIGHT AND THURSDAY.

BRUCE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 10:04 PM CDTFlash Flood WarningARXJackson8 hr
Jun 20, 7:47 AM CDTFlash Flood WarningARXJackson9 hr
Jun 20, 10:58 AM CDTFlash Flood WarningARXBuffalo, Trempealeau12 hr

Nearby

Flash Flood Warnings in Wisconsin, 1993Every flash flood warning in 1993

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.