Flash Flood Warning 41, NWS La Crosse, WI

Issued

Sep 21, 2016, 6:23 PM CDT (23:23 UTC)

Expired

Sep 22, 2016, 12:15 AM CDT

In force

6 hr

Issued by

NWS La Crosse, WI

Area

Storm-based polygon

Flood severity

None

Counties Mitchell County, IA, Mower County, MN

The La Crosse radar (KARX), 145 km from the middle of the area, began a volume at 23:23 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.

286 
WGUS53 KARX 212323
FFWARX
IAC131-MNC099-220515-
/O.NEW.KARX.FF.W.0041.160921T2323Z-160922T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN MITCHELL COUNTY IN NORTH CENTRAL IOWA...
  WESTERN MOWER COUNTY IN SOUTHEASTERN MINNESOTA...

* UNTIL 1215 AM CDT

* AT 621 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN...HIGHEST NEAR RUSH CREEK IN MITCHELL COUNTY. AN
  ADDITIONAL 1 TO LOCALLY 4 INCHES IS POSSIBLE THROUGH THIS
  EVENING. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  AUSTIN...OSAGE...RAMSEY...ST. ANSGAR...BROWNSDALE...LYLE...
  STACYVILLE...ROSE CREEK...LANSING...MAYVILLE...MAPLEVIEW...
  WALTHAM...MITCHELL...CARPENTER...ORCHARD...SARGEANT AND VARCO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...FARMLAND...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

&&

LAT...LON 4385 9305 4384 9276 4321 9274 4321 9302
      4350 9303 4350 9305

$$

AJ

305 
WGUS73 KARX 220053
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
753 PM CDT WED SEP 21 2016

IAC131-MNC099-220515-
/O.CON.KARX.FF.W.0041.000000T0000Z-160922T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MITCHELL IA-MOWER MN-
753 PM CDT WED SEP 21 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
WESTERN MITCHELL AND WESTERN MOWER COUNTIES...

AT 750 PM CDT...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS
WERE MOVING OUT OF THE WARNED AREA. HOWEVER...LOCATIONS NEAR ROSE
CREEK IN WESTERN MOWER COUNTY AND RUSH CREEK IN SOUTHWEST MITCHELL
COUNTY HAVE ALREADY SEEN 2 TO 3 INCHES OF RAINFALL. THIS RAIN MAY
HAVE RESULTED IN WATER OVER ROADS. ADDITIONALLY...CONDITIONS REMAIN
FAVORABLE FOR ADDITIONAL SHOWERS AND THUNDERSTORMS TO DEVELOP WHICH
WOULD RESULT IN FLASH FLOODING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AUSTIN...OSAGE...RAMSEY...ST. ANSGAR...BROWNSDALE...LYLE...
STACYVILLE...ROSE CREEK...LANSING...MAYVILLE...MAPLEVIEW...WALTHAM...
MITCHELL...CARPENTER...ORCHARD...SARGEANT...
OTRANTO PARK AND VARCO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST
FLOOD DEATHS OCCUR IN VEHICLES. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN
IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING.

&&

LAT...LON 4385 9305 4384 9276 4321 9274 4321 9302
      4350 9303 4350 9305

$$

AJ

Flash Flood Warnings in Minnesota, 2016Flash Flood Warnings in Iowa, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.