Alert archive / Minnesota / Flash Flood Warnings in 2007

Flash Flood Warning 27, NWS La Crosse, WI

August 18, 2007Houston County, Wabasha County, Winona County, Minnesota

NWS La Crosse, WI issued this flash flood warning at Aug 18, 2007, 10:10 PM CDT for Houston County, Wabasha County, Winona County, Minnesota. It was in force for 3 hr. 12 reports 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
Aug 18, 2007, 10:10 PM CDT (03:10 UTC)
Expired
Aug 19, 2007, 1:15 AM CDT
In force
3 hr
Issued by
NWS La Crosse, WI
Area
Counties, with a storm outline in the text

Counties Houston County, MN, Wabasha County, MN, Winona County, MN

The radar

The La Crosse radar (KARX), 68 km from the middle of the area, began a volume at 03:13 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
Aug 18, 10:48 PM CDTFLASH FLOOD2 S Lewiston, MNCAR STUCK IN HIGH WATER ON COUNTY 29.
Aug 18, 10:48 PM CDTFLASH FLOOD3 N Rushford, MNSTATE HIGHWAY 43 CLOSED SOUTH OF INTERSTATE 90 BY A MUDSLIDE.
Aug 18, 10:48 PM CDTFLASH FLOOD4 S Ridgeway, MNMUDSLIDE ACROSS COUNTY 11.
Aug 18, 10:48 PM CDTFLASH FLOODElba, MNTHE INTERSECTION OF COUNTY 74 AND STATE HIGHWAY 74 WAS FLOODED.
Aug 18, 10:48 PM CDTFLASH FLOODStockton, MNHIGHWAY 14 AT FARMERS PARK CLOSED BY FLOODING.
Aug 18, 11:00 PM CDTFLASH FLOODLewiston, MNTREE AND MUD SLIDES IN LEWISTON.
Aug 18, 11:35 PM CDTFLASH FLOODWinona, MNSTATE HIGHWAY 43 WASHED OUT JUST SOUTH OF WINONA.
Aug 19, 12:00 AM CDTFLASH FLOOD5 W Altura, MNHIGHWAY 74 IN WHITE WATER STATE PARK IS COMPLETELY WASHED OUT
Aug 19, 12:05 AM CDTFLASH FLOODLa Crescent, MNHIGHWAY 26 FROM LA CRESCENT TO THE IOWA BORDER IS CLOSED. HIGHWAY 16 FROM JUST SOUTH OF LA CRESCENT TO HOKAH IS CLOSED. HIGHWAY 61 FROM NORTH OF LA CRESCENT INTO WINONA COUNTY IS CLOSED.
Aug 19, 12:15 AM CDTFLASH FLOOD1 E Millville, MNMUDSLIDE ON COUNTY 11.
Aug 19, 12:15 AM CDTFLASH FLOOD7 Ene Zumbro Falls, MN6 INCHES OF WATER OVER COUNTY 2 NORTH OF STATE HIGHWAY 60.
Aug 19, 12:15 AM CDTFLASH FLOODZumbro Falls, MNSTREETS CLOSED IN DOWNTOWN BY HIGH WATER.

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.2 hours before the alert went out and 156 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, Minneapolis, MN at 00:00Z on 2007-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2007-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
541 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
510 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KARX 190312
FFWARX
MNC055-157-169-190615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1010 PM CDT SAT AUG 18 2007

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WABASHA COUNTY IN SOUTHEAST MINNESOTA
  WINONA COUNTY IN SOUTHEAST MINNESOTA
  HOUSTON COUNTY IN SOUTHEAST MINNESOTA

* UNTIL 115 AM CDT

* AT 1008 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN ACROSS MUCH OF THE WARNED  
  AREA. RAIN GAGE REPORTS FROM THE WARNED AREA SHOW THAT NEARLY      
  6 INCHES OF RAIN HAS FALLEN DURING THE PAST 4 HOURS OVER           
  THE WARNED AREA. LAW ENFORCEMENT REPORTS MANY ROADS UNDER WATER IN 
  THE CITY OF LA CROSSE...WITH NUMEROUS MUD SLIDES BEING REPORTED IN 
  THE STEEPER TERRAIN AREAS. THIS EXTENDS THE WARNING FOR WINONA     
  AND HOUSTON COUNTIES.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ALTURA...
  BROWNSVILLE...CALEDONIA...GOODVIEW...HOKAH...HOUSTON AND KELLOGG.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO FORGE
FLOODED ROADWAYS BY FOOT OR AUTOMOBILE. REMEMBER...TURN AROUND DONT
DROWN.

LAT...LON 4403 9159 4384 9129 4357 9125 4363 9172
      4384 9173 4385 9207 4419 9210 4421 9254
      4436 9254 4438 9244 4445 9243 4442 9215
      4435 9198 4417 9185

$$

RABERDING

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 7:36 PM CDTFlash Flood WarningARXHouston, Winona3 hr
Aug 18, 9:45 PM CDTRiver Flood WarningARXOlmsted, Winona34 hr
Aug 18, 10:10 PM CDTFlash Flood WarningARXHouston, Winona3 hr
Aug 18, 10:39 PM CDTFlash Flood WarningARXOlmsted3 hr
Aug 18, 11:15 PM CDTRiver Flood WarningARXOlmsted11 hr
Aug 18, 11:15 PM CDTRiver Flood WarningARXOlmsted30 hr
Aug 19, 12:56 AM CDTFlash Flood WarningARXOlmsted, Wabasha, Winona6 hr
Aug 19, 12:56 AM CDTFlash Flood WarningARXDodge, Fillmore, Houston, Olmsted, Wabasha, Winona6 hr
Aug 19, 3:22 AM CDTRiver Flood WarningARXOlmsted26 hr
Aug 19, 8:58 AM CDTRiver Flood WarningARXFillmore, Houston8 hr
Aug 19, 10:15 AM CDTRiver Flood WarningARXWabasha43 hr

Nearby

Flash Flood Warnings in Minnesota, 2007Every flash flood warning in 2007

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.