Flash Flood Warning 34, NWS La Crosse, WI

Issued

Sep 21, 2016, 5:40 AM CDT (10:40 UTC)

Expired

Sep 21, 2016, 8:30 AM CDT

In force

3 hr

Issued by

NWS La Crosse, WI

Area

Storm-based polygon

Flood severity

None

Counties Wabasha County, MN, Winona County, MN, Buffalo County, WI, Trempealeau County, WI

The La Crosse radar (KARX), 77 km from the middle of the area, began a volume at 10:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

810 
WGUS53 KARX 211040
FFWARX
MNC157-169-WIC011-121-211330-
/O.NEW.KARX.FF.W.0034.160921T1040Z-160921T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
540 AM CDT WED SEP 21 2016

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL WINONA COUNTY IN SOUTHEASTERN MINNESOTA...
  NORTHERN WABASHA COUNTY IN SOUTHEASTERN MINNESOTA...
  SOUTHWESTERN TREMPEALEAU COUNTY IN WEST CENTRAL WISCONSIN...
  BUFFALO COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 830 AM CDT

* AT 533 AM CDT...DOPPLER RADAR INDICATES ABOUT 2 INCHES OF RAIN HAS
  FALLEN FROM ROUGHLY LAKE CITY TO NORTH OF LA CROSSE WISCONSIN. LAW
  ENFORCEMENT INDICATES SOME WATER ISSUES DEVELOPING IN THE
  AREA...INCLUDING A MUDSLIDE ON HIGHWAY 61 IN WINONA COUNTY. 

* DUE TO MOIST SOILS FROM PREVIOUS RAINFALL...FLOODING IS
  LIKELY.  

* ALTHOUGH THE RAIN LOOKS TO BE DIMINISHING IN INTENSITY...THE RAIN
  THAT HAS FALLEN WILL CAUSE CREEK AND STREAM RISES...AND MUDSLIDES
  FOR A FEW HOURS THIS MORNING. 

* SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  WINONA...WABASHA...ALMA...BUFFALO...GOODVIEW...TREMPEALEAU...
  GALESVILLE...WITOKA...FOUNTAIN CITY...STOCKTON...ROLLINGSTONE...
  WILSON...WAUMANDEE...GILMANTON AND WEST NEWTON.

WHEN DRIVING AT NIGHT...BE VERY CAUTIOUS TO ENSURE YOU DO NOT DRIVE
INTO FLOOD WATERS. 

EXCESSIVE RAINFALL OVER THE WARNED AREA WILL CAUSE MUD SLIDES NEAR
STEEP TERRAIN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4437 9243 4445 9243 4445 9224 4441 9208
      4451 9204 4448 9167 4408 9123 4407 9131
      4400 9137 4391 9153 4393 9175 4425 9206
      4437 9245

$$

DAB

285 
WGUS73 KARX 211233
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
733 AM CDT WED SEP 21 2016

MNC157-169-WIC011-121-211330-
/O.CON.KARX.FF.W.0034.000000T0000Z-160921T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WINONA MN-WABASHA MN-TREMPEALEAU WI-BUFFALO WI-
733 AM CDT WED SEP 21 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM CDT FOR
CENTRAL WINONA...NORTHERN WABASHA...SOUTHWESTERN TREMPEALEAU AND
BUFFALO COUNTIES...

AT 725 AM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE WARNED
AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN BETWEEN
MINNEISKA MINNESOTA AND IDUNA WISCONSIN...AND FROM WILSON MINNESOTA
TO TREMPEALEAU WISCONSIN. 

A MUD SLIDE WAS REPORTED A MILE MARKER 20 OF SOUTH BOUND HIGHWAY 61
NEAR PICKWICK MINNESOTA.

EXCESSIVE RAINFALL OVER THE WARNED AREA WILL CAUSE MUD SLIDES NEAR
STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION
AND OTHER LOOSE MATERIALS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WINONA...ARCADIA...WABASHA...ALMA...BUFFALO...GOODVIEW...
TREMPEALEAU...GALESVILLE...BUFFALO CITY...FOUNTAIN CITY...STOCKTON...
ROLLINGSTONE...KELLOGG...MODENA...DODGE...WILSON...WAUMANDEE...
COCHRANE...GILMANTON AND WEST NEWTON.

ADDITIONAL RAINFALL AMOUNTS OF UP TO A HALF INCH ARE POSSIBLE IN THE
WARNED AREA.

LAT...LON 4437 9243 4445 9243 4445 9224 4441 9208
      4451 9204 4448 9167 4408 9123 4407 9131
      4400 9137 4391 9153 4393 9175 4425 9206
      4437 9245

$$

JSB

Flash Flood Warnings in Wisconsin, 2016Flash Flood Warnings in Minnesota, 2016Every flash flood warning in 2016

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.