Alert archive / Wisconsin / Flash Flood Warnings in 1992
Flash Flood Warning 7, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Sep 16, 1992, 11:33 AM CDT for Vernon County, Wisconsin. It was in force for 117 min.
The area
The counties it named.
The facts
- Issued
- Sep 16, 1992, 11:33 AM CDT (16:33 UTC)
- Expired
- Sep 16, 1992, 1:30 PM CDT
- In force
- 117 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Vernon County, WI
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 4.6 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.
- Mixed-layer CAPE
- 1874 J/kg
- Mixed-layer CIN
- -169 J/kg
- Mixed-layer LCL
- 710 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLSE 161633
FFWLSE
WIC123-161830-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1133 AM CDT WED SEP 16 1992
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 215 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
IN SOUTHWEST WISCONSIN
...VERNON COUNTY
RAIN WAS DIMINISHING OVER VERNON COIUNTY LATE THIS MORNING.
HOWEVER...RUNOFF WILL CONTINUE TO CAUSE FLASH FLOODING THROUGH
EARLY AFTERNOON...AND THE FLASH FLOOD WARNING HAS BEEN EXTENDED.
ROUGHLY 4.00 INCHES OF RAIN FELL THIS MORING OVER VERNON COUNTY
ON GROUND THAT WAS ALREADY SATURATED. MANY ROADS REMAIN CLOSED.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. 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
ONE...ON FOOT. TO ESCAPE RIS0ING WATER MOVE UP TO HIGHER GROUND.
BRUCE
NNNNWhat 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, 7:06 AM CDT, 4 hours 27 minutes before
MNZ019-161300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER MN 707 AM CDT WED SEP 16 1992 ...FLASH FLOOD WATCH HAS EXPIRED FOR SOUTHEAST AND SOUTH CENTRAL MINNESOTA... AT 650AM CDT...THE ROCHESTER COLOR WEATHER RADAR INDICATED THAT THE WIDESPREAD STRONG THUNDERSTORMS WHICH WERE OCCURRING EARLIER IN THE MORNING...HAVE BECOME LESS INTENSE AND FEWER IN NUMBER. FOR THAT REASON THE FLASH FLOOD WATCH FOR SOUTHEASTERN MINNESOTA HAS BEEN ALLOWED TO EXPIRE. THE THUNDERSTORMS WERE FOUND RIGHT OF A LINE FROM AUSTIN TO LAKE CITY. THESE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR. THE THREAT OF FLASH FLOODING HAS DIMINISHED...BUT SOME MINOR FLOODING PROBLEMS MAY STILL OCCUR. CALLS TO THE COUNTY SHERIFFS AROUND SOUTHEAST MINNESOTA REVEALED NO MAJOR FLOODING WAS OCCURRING THIS MORNING...HOWEVER SOME MINOR FLOODING PROBLEMS MAY BE STILL BE FOUND. LOW-LYING ROADS...ESPECIALLY THOSE IN WABASHA AND GOODHUE COUNTIES COUMLD STILL BE COVERED WITH WATER FROM THE HEAVY RAINS. IF YOU ENCOUNTER ONE OF THESE WATER COVERED ROADS...DO NOT ATTEMPT TO CROSS IT. IT MAY WELL BE HIDING A DANGEROUS WASHOUT. FOX
Special weather statement, Sep 16, 7:25 AM CDT, 4 hours 8 minutes before
WIZ010-014-161400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 725 AM CDT WED SEP 16 1992 ...FLASH FLOOD WARNING FOR BUFFALO...TREMPEALEAU...AND JACKSON COUNTIES UNTIL 1000 AM... ...URBAN AND SMALL STREAM FLOOD ADVISORY FOR LA CROSSE AND MONROE COUNTIES UNTIL 1000 AM... AT 720 AM...RADAR INDICATED THUNDERSTORMS CONTINUED ACROSS PARTS OF WEST CENTRAL AND SOUTHWEST WISCONSIN...AND SOUTHEAST MINNESOTA. THE TRAILING EDGE OF THE PRECIPITAION EXTENDED FROM ALMA...TO ROCHESTER...TO MASON CITY IOWA. THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR...BUT THERE HAD BEEN SOME DECREASE IN INTENSITY. IT NOW APPEARS THE RAIN WILL CONTINUE IN THE LA CROSSE AREA THROUGH MID MORN~ING. MOTORISTS SHOULD USE CAUTION AS MANY ROADWAYS ARE COVERED WITH STANDING WATER. BRUCE
Special weather statement, Sep 16, 8:06 AM CDT, 3 hours 27 minutes before
MNZ019-161400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER MN 807 AM CDT WED SEP 16 1992 ...A FEW LINGERING THUNDERSTORMS WERE TRACKING ACROSS SOUTHEAST MINNESOTA... AT 750AM CDT...THE ROCHESTER COLOR WEATHER RADAR INDICATED THAT MOST THE OF THUNDERSTORM ACTIVITY HAD CEASED ACROSS SOUTHEAST MINNESOTA...HOWEVER SOME THUDERSTORMS REMAINED. SHOWERS AND A FEW THUNDERSTORMS WERE LOCATED SOUTHEAST OF A LINE FROM WABASHA TO ROCHESTER TO AUSTIN. MOVEMENT WAS EAST AT 30 MILES AN HOUR. AT THIS PACE THE THUNDERSTORMS WILL EXIT THE ROCHESTER AREA BEFORE 900AM CDT. THESE THUNDERSTORMS WERE PRODUCING...HEAVY RAINS...WIND GUSTS UP TO 35 MILES AN HOUR...AND FREQUENT DEADLY LIGHTNING. SINCE 720AM THIS MORNING ...THE ROCHESTER AIRPORT PICKED UP AN ADDITIONAL HALF INCH OF RAIN /.52/. THIS BRINGS THE OVERNIGHT RAINFALL TOTAL JUST OVER ONE AND A HALF INCHES /1.52/. PERSONS IN THE PATH OF THESE THUNDERSTORMS ARE URGED TO HEAD INDOORS AND REMAIN INDOORS UNTIL THE STORMS PASS BY. FOX
Special weather statement, Sep 16, 8:32 AM CDT, 3 hours 1 minute before
WIZ010-014-161500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 730 AM CDT WED SEP 16 1992 ...FLASH FLOOD WARNING FOR BUFFALO...TREMPEALEAU...AND JACKSON COUNTIES UNTIL 1000 AM... ...FLASH FLOOD WARNING FOR VERNON COUNTY UNTIL 1200 NOON... ...URBAN AND SMALL STREAM FLOOD ADVISORY FOR LA CROSSE AND MONROE COUNTIES UNTIL 1000 AM... AT 725 AM...RADAR INDICATES THUNDERSTORMS CONTINUED ACROSS PARTS OF WEST CENTRAL AND SOUTHWEST WISCONSIN...AND SOUTHEAST MINNESOTA. THE STORMS HAVE DECREASED IN INTENSITY...BUT THERE FORWARD SPEED HAD SLOWED TO AROUND 10 MILES AN HOUR. AS A RESULT...THUNDERSTORMS WILL CONTINUE OVER THE LA CROSSE AREA FOR MUCH OF THE MORNING. BRUCE
Special weather statement, Sep 16, 9:09 AM CDT, 2 hours 24 minutes before
MNZ019-161500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER MN 900 AM CDT WED SEP 16 1992 ...THUNDERSTORMS LINGER IN SOUTHEAST MINNESOTA... AT 855 AM RADAR SHOWED A 70 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS LOCATED EAST OF LINE FROM WABASHA TO AUSTIN. THEY EXTENDED SOUTHWEST INTO NORTHCENTRAL IOWA AT FOREST CITY AND NORTHEAST INTO WEST CENTRAL WISCONSIN NEAR DURAND. THE THUNDERSTORMS WITH THE HEAVIEST RAIN AND POSSIBLE SMALL HAIL WERE BETWEEN AUSTIN AND SPRING VALLEY. THE LINE OF SHOWERS WERE SLOWING MOVING TO THE SOUTHEAST AT 10 MPH...WHILE INDIVIDUAL STORM CELLS WERE MOVING NORTHEAST AT 40 MPH. SOME THUNDERSTORMS WITH VERY HEAVY RAIN WILL MOVE TO FOUNTAIN... LANESBORO...AND PRESTON BY 930 AM. THE OTHER SHOWERS SHOULD END IN SOUTHEAST MINNESOTA BY EARLY THIS AFTERNOON. LATER THIS AFTERNOON SHOWERS AND THUNDERSTORMS WILL AGAIN REDEVELOP IN SOUTH CENTRAL MINNESOTA ALONG AN INCOMMING COLD FRONT BY MID-AFTERNOON AND SPREAD INTO SOUTHEAST MINNESOTA LATER THIS AFTERNOON. KRUSE
Special weather statement, Sep 16, 11:23 AM CDT, 10 minutes before
WIZ010-014-161800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1125 AM CDT WED SEP 16 1992 ...THE RAIN IS FINALLY DIMINISHING... RAIN WAS ENDING OVER LA CROSSE...JACKSON...AND TREMPEALEAU COUNTIES. SCATTERED SHOWERS AND THUNDERSTORMS WILL END OVER MONROE AND VERNON COUNTIES BY AROUND 100 PM...AND OVER CRAWFORD COUNTY BY MID-AFTERNOON. MANY AREA ROADS REMAIN CLOSED DUE TO HIGH WATER...BUT CONDITIONS WILL BE IMPROVING AS THE RAIN ENDS. A COOL FRONT WILL BE APPROACHING THE AREA THIS EVENING...AND MAY TOUCH OFF ANOTHER ROUND OF STORMS. IF THEY DO OCCUR...MORE HEAVY RAIN WILL BE POSSIBLE. BRUCE
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 5:47 AM CDT | Flash Flood Warning | ARX | Buffalo, Trempealeau | 4 hr |
| Sep 16, 5:47 AM CDT | Flash Flood Warning | ARX | Jackson | 4 hr |
| Sep 16, 8:03 AM CDT | Flash Flood Warning | ARX | Vernon | 4 hr |
| Sep 16, 9:56 AM CDT | Flash Flood Warning | ARX | Jackson, Trempealeau | 4 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.