Alert archive / Wisconsin / Flash Flood Warnings in 2014

Flash Flood Warning 8, NWS La Crosse, WI

June 18, 2014Monroe County, Wisconsin

NWS La Crosse, WI issued this flash flood warning at Jun 18, 2014, 6:43 AM CDT for Monroe County, Wisconsin. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 18, 2014, 6:43 AM CDT (11:43 UTC)
Expired
Jun 18, 2014, 9:45 AM CDT
In force
3 hr
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Flood severity
None

County Monroe County, WI

The radar

The La Crosse radar (KARX), 43 km from the middle of the area, began a volume at 11:45 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.

What was reported inside it

TimeReportWhereRemark
Jun 18, 7:30 AM CDTFLASH FLOODCataract, WIPOST OFFICE REPORTED CUSTOMERS COMING IN SAYING PEOPLE HAD TO TURN AROUND ON BACK ROADS AROUND CATARACT THIS MORNING. ROADS SUCH AS COUNTY B AND Q AS WELL AS HIGHWAY 162 HAD FLOODING. TIME OF FLOODING ESTIMATED BY RADAR.

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 11.7 hours before the alert went out and 214 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 2014-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1626 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 2014-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
1626 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1087 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

204 
WGUS53 KARX 181143
FFWARX
WIC081-181445-
/O.NEW.KARX.FF.W.0008.140618T1143Z-140618T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
643 AM CDT WED JUN 18 2014

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONROE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 945 AM CDT
    
* AT 640 AM CDT...LOCAL LAW ENFORCEMENT REPORTED SOME STREET 
  FLOODING IN SPARTA WITH ONLY A RADAR ESTIMATED 1 INCH OF RAINFALL. 
  AROUND 3 INCHES OF RAIN HAS OCCURRED THUS FAR IN CATARACT 
  ACCORDING TO A WEATHER OBSERVER. ALTHOUGH ONLY A HALF INCH OF 
  ADDITIONAL RAINFALL IS EXPECTED...ALL OF THE RECENT RAIN WILL 
  RESULT IN FLASH FLOODING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SPARTA...TOMAH...FORT MC COY...CATARACT...GLENDALE...LEON...
  NORWALK...ROCKLAND...WILTON...RIDGEVILLE...KENDALL...CLIFTON... 
  WARRENS...OAKDALE AND WYEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4373 9065 4390 9091 4407 9091 4407 9097
      4413 9097 4416 9088 4416 9043 4415 9031
      4373 9031

$$

AJ
2 follow-up statements
172 
WGUS73 KARX 181325
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
825 AM CDT WED JUN 18 2014

WIC081-181445-
/O.CON.KARX.FF.W.0008.000000T0000Z-140618T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE WI-
825 AM CDT WED JUN 18 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 AM CDT FOR
MONROE COUNTY...

AT 822 AM CDT...RAIN WAS TAPERING OFF ACROSS MONROE COUNTY. 
HOWEVER...1 TO 3 INCHES OF RAIN HAS FALLEN ACROSS MONROE 
COUNTY...HEAVIEST NORTH OF INTERSTATE 90. THIS RAINFALL MAY BE 
RESULTING IN FLOODED ROADWAYS.

SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE... 

TOMAH...FORT MC COY...CATARACT...GLENDALE...LEON... 
NORWALK...ROCKLAND...WILTON...RIDGEVILLE...KENDALL...CLIFTON... 
WARRENS...OAKDALE...WYEVILLE AND SHENNINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4373 9065 4390 9091 4407 9091 4407 9097
      4413 9097 4416 9088 4416 9043 4415 9031
      4373 9031

$$

AJ
477 
WGUS73 KARX 181438
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
938 AM CDT WED JUN 18 2014

WIC081-181447-
/O.EXP.KARX.FF.W.0008.000000T0000Z-140618T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE WI-
938 AM CDT WED JUN 18 2014

...THE FLASH FLOOD WARNING FOR MONROE COUNTY WILL EXPIRE AT 945 AM
CDT...

FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A 
THREAT TO LIFE OR PROPERTY. MONROE COUNTY LAW ENFORCEMENT REPORTS 
ALL ROADS ARE OPEN. 

LAT...LON 4373 9065 4390 9091 4407 9091 4407 9097
      4413 9097 4416 9088 4416 9043 4415 9031
      4373 9031

$$

AJ

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 9:39 PM CDTSpecial Weather StatementARXTaylor36 min
Jun 17, 11:09 PM CDTSevere Thunderstorm WarningARXGrant51 min
Jun 18, 12:04 AM CDTSpecial Weather StatementARXClark26 min
Jun 18, 12:14 AM CDTSpecial Weather StatementARXGrant31 min
Jun 18, 12:21 AM CDTSevere Thunderstorm WarningARXClark24 min
Jun 18, 2:07 AM CDTSpecial Weather StatementARXClark23 min
Jun 18, 3:24 AM CDTSpecial Weather StatementARXAdams36 min
Jun 18, 4:01 AM CDTFlash Flood WarningARXAdams, Clark, Jackson, Juneau6 hr
Jun 18, 5:07 AM CDTSpecial Weather StatementARXLa Crosse38 min
Jun 18, 5:42 AM CDTSpecial Weather StatementARXLa Crosse, Monroe, Vernon63 min
Jun 18, 5:45 AM CDTSpecial Weather StatementARXCrawford, Grant, Richland60 min
Jun 18, 6:01 AM CDTFlash Flood WarningARXJackson, Trempealeau4 hr
Jun 18, 6:15 AM CDTSpecial Weather StatementARXAdams, Juneau75 min
Jun 18, 6:25 AM CDTSevere Thunderstorm WarningARXAdams, Juneau, Monroe, Richland, Vernon65 min
Jun 18, 6:49 AM CDTSpecial Weather StatementARXGrant26 min
Jun 18, 7:05 AM CDTSevere Thunderstorm WarningARXGrant40 min
Jun 18, 10:01 AM CDTAreal Flood WarningARXJackson, Trempealeau6 hr
Jun 18, 10:38 AM CDTRiver Flood WarningARXJackson44 hr
Jun 18, 10:42 AM CDTRiver Flood WarningARXBuffalo, Trempealeau5 days
Jun 18, 3:50 PM CDTAreal Flood WarningARXJackson, Trempealeau24 hr

Nearby

Flash Flood Warnings in Wisconsin, 2014Every flash flood warning in 2014

Sources

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.