Alert archive / Wisconsin / Flash Flood Warnings in 1992

Flash Flood Warning 8, NWS La Crosse, WI

September 16, 1992Crawford County, Wisconsin

NWS La Crosse, WI issued this flash flood warning at Sep 16, 1992, 10:16 PM CDT for Crawford County, Wisconsin. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Sep 16, 1992, 10:16 PM CDT (03:16 UTC)
Expired
Sep 17, 1992, 2:15 PM CDT
In force
16 hr
Issued by
NWS La Crosse, WI
Area
Whole counties

County Crawford County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.3 hours before the alert went out and 266 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 00:00Z on 1992-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 167 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1992-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 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
167 J/kg
Mixed-layer CIN
-180 J/kg
Mixed-layer LCL
684 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
227 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

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 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 16, 7:44 PM CDT, 2 hours 32 minutes before
WIZ010-014-170145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
745 PM CDT WED SEP 16 1992

...TORNADO WATCH UNTIL 11 PM FOR BUFFALO AND TREMPEALEAU COUNTIES...

AT 745 PM...NO THUNDERSTORMS WERE INDICATED IN THE LA CROSSE AREA.
HOWEVER...THUNDERSTORMS WERE OCCURRING FURTHER WEST ALONG A COLD
FRONT MOVING INTO SOUTHEAST MINNESOTA.

THUNDERSTORMS SHOULD AFFECT BUFFALO AND TREMPEALEAU COUNTIES...
THE ADJACENT COUNTIES NORTH OF L2A CROSSE...BETWEEN 9 AND 11 PM THIS
EVENING.  PERSONS IN THESE AREAS SHOULD KEEP LISTENING FOR THE LATEST
WEATHER INFORMATION ON RADIO...TV...OR WEATHER RADIO.

THOMPSON
Special weather statement, Sep 16, 8:17 PM CDT, 1 hour 59 minutes before
MNZ019-170230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCHESTER MN
815 PM CDT WED SEP 16 1992

...SEVERE THUNDERSTORM WATCH FOR SOUTHCENTRAL AND PARTS
   SOUTHEAST MINNESOTA HAS EXPIRED AT 8 PM...

AT 810PM...RADAR INDICATED STRONG THUNDERSTORMS IN STEELE COUNTY
...OVER THE CITY OF OWATONNA.  HEAVY RAIN...GUSTY WINDS...AND
UP TO MARBLE SIZE HAIL IS POSSIBLE FROM THESE STORMS.  MOVEMENT
WAS TO THE EAST AT 25 MPH.

BY 830 PM...THE STORMS WILL BE NEAR WEST CONCORD...23 MILES NORTHWEST
OF ROCHESTER.  BY 900 PM..THE STORMS WILL BE IN THE ROCHESTER AREA.

MOTORISTS TRAVELING THROUGH THE THUNDERSTORMS PATH SHOULD BE ON
THE LOOKOUT FOR REDUCED VISIBILITIES DUE TO HEAVY DOWNPOURS.

TESKE
Special weather statement, Sep 16, 8:54 PM CDT, 1 hour 22 minutes before
MNZ019-170330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCHESTER MN
850 PM CDT WED SEP 16 1992

...STRONG THUNDERSTORMS IN SOUTHEASTERN MINNESOTA...

AT 845PM...RADAR DEPICTED A LINE OF STRONG THUNDERSTORMS MOVING
INTO SOUTHEASTERN MINNESOTA.  THIS LINE EXTENDED FROM LAKE CITY
...16 MILES SOUTHEAST OF RED WING TO HAYFIELD...22 MILES SOUTHWEST
OF ROCHESTER.  THE STRONGEST STORMS WERE LOCATED 7 MILES WEST OF
ROCHESTER AND NEAR ZUMBRO FALLS...18 MILES NORTH OF ROCHESTER.
MOVEMENT OF THESE THUNDERSTORMS WAS TO THE EAST AT 25 MPH.

THE STORMS WILL BE MOVING THROUGH THE ROCHESTER AREA AT 900 PM
AND REACHING MINNESOTA CITY BY 1000PM.  HEAVY DOWNPOURS...SMALL
HAIL...AND GUSTY WINDS ARE POSSIBLE FROM THESE STORMS.  PERSONS
IN THE PATH OF THE THUNDERSTORMS SHOULD TAKE SHELTER UNTIL
THEY PASS.
TESKE
Special weather statement, Sep 16, 9:13 PM CDT, 1 hour 3 minutes before
WIZ010-014-170300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
915 PM CDT WED SEP 16 1992

...TORNADO WATCH UNTIL 11 PM FOR BUFFALO AND TREMPEALEAU COUNTIES...

AT 915 PM...THUNDERSTORMS WERE MOVING INTO AREAS 50 TO 60 MILES
NORTHWEST OF LA CROSSE NEAR MAXVILLE AND NELSON.  THE STORMS EXTENDED
FURTHER SOUTH ALONG A COLD FRONT MOVING INTO SOUTHEAST MINNESOTA.
MOVEMENT OF THE STORMS WAS TO THE EAST AT 35 MILES AN HOUR.

THUNDERSTORMS WILL AFFECT BUFFALO AND TREMPEALEAU COUNTIES...THE
ADJACENT COUNTIES NORTH OF LA CROSSE...THROUGH 11 PM THIS EVENING.
A PERIOD OF HEAVY RAIN...GUSTY WINDS...AND POSSIBLY SMALL HAIL WILL
OCCUR WITH THE STRONGER STORMS ALONG WITH DANGEROUS LIGHTNING.

PERSONS IN THESE AREAS SHOULD KEEP LISTENING FOR THE LATEST
WEATHER INFORMATION ON RADIO...TV...OR WEATHER RADIO.

THOMPSON
Special weather statement, Sep 16, 9:38 PM CDT, 38 minutes before
MNZ019-170330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCHESTER MN
930 PM CDT WED SEP 16 1992

...THUNDERSTORMS HAVE WEAKENED IN SOUTHEASTERN MINNESOTA...

AT 925PM...THE STRONG THUNDERSTORMS IN SOUTHEASTERN MINNESOTA
HAVE DECREASED IN INTENSITY...WHILE THE STRONGEST STORM HAS
MOVED ACROSS THE MISSISSIPPI RIVER INTO WISCONSIN.  SHOWERS
AND EVEN SOME THUNDER STILL EXISTS FROM ROCHESTER TO WABASHA.
MOVEMENT WAS TO THE EAST AT 25 MPH.

BRIEF DOWNPOURS AND OCCASSIONAL LIGHTNING IS POSSIBLE.  THE
THUNDERSHOWERS ARE EXPECTED TO DEPART THE SOUTHEAST CORNER
OF THE STATE BY MIDNIGHT...ALLOWING FOR SKIES TO CLEAR.

MOTORISTS SHOULD BE AWARE OF BRIEF DOWNPOURS WHEN TRAVELING
ROADWAYS WHERE THUNDERSHOWERS ARE OCCURRING.
TESKE
Special weather statement, Sep 16, 9:55 PM CDT, 21 minutes before
WIZ010-014-170400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
955 PM CDT WED SEP 16 1992

...TORNADO WATCH UNTIL 11 PM FOR BUFFALO AND TREMPEALEAU COUNTIES...

AT 955 PM...A LINE OF SHOWERS WITH ISOLATED STRONG THUNDERSTORMS
EXTENDED FROM 50 MILES NORTH OF LA CROSSE NEAR OSSEO TO NEAR ALMA...
40 MILES NORTHWEST OF LA CROSSE.  THE STRONGEST STORM WAS NEAR OSSEO
AND WAS MOVING EAST AT 35 MILES AN HOUR...BUT NO SEVERE WEATHER WAS
INDICATED.

SCATTERED THUNDERSTORMS WILL CONTINUE MOVING THROUGH BUFFALO AND
TREMPEALEAU COUNTIES...THE ADJACENT COUNTIES NORTH OF LA CROSSE...
THROUGH 11 PM THIS EVENING.  PERSONS IN THESE AREAS SHOULD GO
INDOORS IF A STORM AFFECTS YOUR LOCATIO(N AND KEEP LISTENING FOR THE
LATEST WEATHER INFORMATION ON RADIO...TV...OR WEATHER RADIO.

THOMPSON

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.