Flash Flood Warning 4, NWS La Crosse, WI

Issued

Aug 7, 2021, 4:27 PM CDT (21:27 UTC)

Expired

Aug 7, 2021, 7:30 PM CDT

In force

3 hr

Issued by

NWS La Crosse, WI

Area

Storm-based polygon

Flood severity

None

County Vernon County, WI

The La Crosse radar (KARX), 40 km from the middle of the area, began a volume at 21:29 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.

151 
WGUS53 KARX 072127
FFWARX
WIC123-080030-
/O.NEW.KARX.FF.W.0004.210807T2127Z-210808T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service La Crosse WI
427 PM CDT Sat Aug 7 2021

The National Weather Service in La Crosse has issued a

* Flash Flood Warning for...
  Northern Vernon County in southwestern Wisconsin...

* Until 730 PM CDT.

* At 427 PM CDT, the public reported thunderstorms producing heavy 
  rain across the warned area. Between 3 and 6 inches of rain have 
  fallen. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Public reported.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Westby, Stoddard, Coon Valley, La Farge, Ontario, Chaseburg, 
  Bloomingdale, Jersey Valley County Park, Newry, Avalanche, County 
  Roads D And P, Irish Ridge, Highway 82 And County D, Spring Ridge, 
  Potts Corners, County Roads B And Y, Esofea, Rockton, Runge Hollow 
  and Wildcat Mountain State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 4373 9038 4356 9040 4361 9126 4373 9126

FLASH FLOOD...OBSERVED

$$

ARX

681 
WGUS73 KARX 072211
FFSARX

Flash Flood Statement
National Weather Service La Crosse WI
511 PM CDT Sat Aug 7 2021

WIC123-080030-
/O.CON.KARX.FF.W.0004.000000T0000Z-210808T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Vernon WI-
511 PM CDT Sat Aug 7 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT THIS 
EVENING FOR NORTHERN VERNON COUNTY...

At 511 PM CDT, the public reported thunderstorms producing heavy 
rain across the warned area. Between 3 and 6 inches of rain have 
fallen. Flash flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Public reported. Widespread flooding on Coon Creek in
         Coon Valley has been reported with water nearing the
         Highway 14 Bridge.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Westby, Stoddard, Coon Valley, La Farge, Ontario, Chaseburg, 
  Bloomingdale, Jersey Valley County Park, Newry, Avalanche, County 
  Roads D And P, Irish Ridge, Highway 82 And County D, Spring Ridge, 
  Potts Corners, County Roads B And Y, Esofea, Rockton, Runge Hollow 
  and Wildcat Mountain State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 4373 9038 4356 9040 4361 9126 4373 9126

FLASH FLOOD...OBSERVED

$$

ARX

Flash Flood Warnings in Wisconsin, 2021Every flash flood warning in 2021

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.