Alert archive / Minnesota / Flash Flood Warnings in 2007

Flash Flood Warning 6, NWS La Crosse, WI

August 14, 2007Fillmore County, Houston County, Winona County, Minnesota

NWS La Crosse, WI issued this flash flood warning at Aug 14, 2007, 2:09 AM CDT for Fillmore County, Houston County, Winona County, Minnesota. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 14, 2007, 2:09 AM CDT (07:09 UTC)
Expired
Aug 14, 2007, 5:00 AM CDT
In force
3 hr
Issued by
NWS La Crosse, WI
Area
Whole counties

Counties Fillmore County, MN, Houston County, MN, Winona County, MN

The radar

The La Crosse radar (KARX), 48 km from the middle of the area, began a volume at 07:13 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.2 hours before the alert went out and 187 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 2007-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2096 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2007-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 263 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
2096 J/kg
Mixed-layer CIN
-245 J/kg
Mixed-layer LCL
1133 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
263 m²/s²
0-3 km storm-relative helicity
409 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KARX 140709
FFWARX
MNC045-055-169-141000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
209 AM CDT TUE AUG 14 2007

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

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

* UNTIL 500 AM CDT

* AT 207 AM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN ACROSS MUCH OF THE AREA.
  ESTIMATES FROM RADAR INDICATE THAT 2 TO 3 INCHES OF RAIN HAS
  FALLEN OVER THE PAST FEW HOURS OVER THIS AREA. 

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...CALEDONIA...
  HOUSTON...LANESBORO...RUSHFORD...ST. CHARLES...I 90 EXIT 257 AND
  I 90 EXIT 252.  THIS INCLUDES PINE CREEK...RUSH CREEK...DALEY
  CREEK...AND OTHER SMALLER TRIBUTARIES FEEDING INTO THE ROOT RIVER.

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.

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLOODING OF CREEKS AND
STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO
TRIGGER ROCK AND MUD-SLIDES IN STEEP TERRAIN. PERSONS IN THE WARNED
AREA SHOULD BE PREPARED TO ACT QUICKLY TO AVOID THESE HAZARDS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE TO
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS. REMEMBER...TURN AROUND DONT DROWN.

LAT...LON 4395 9151 4350 9123 4362 9208 4396 9208

$$

MW
2 follow-up statements
000 
WGUS73 KARX 140802
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
301 AM CDT TUE AUG 14 2007

MNC045-055-169-141000-
WINONA MN-HOUSTON MN-FILLMORE MN-
301 AM CDT TUE AUG 14 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR
EASTERN FILLMORE...HOUSTON AND SOUTHERN WINONA COUNTIES...

AT 259 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS SHOWING 
THAT THE THUNDERSTORMS PRODUCING THE HEAVY RAINFALL HAD MAINLY 
SHIFTED SOUTH AND EAST OF THE AREA. HOWEVER...SCATTERED SHOWERS AND 
THUNDERSTORMS WILL REMAIN POSSIBLE FOR THE NEXT HOUR. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RUSHFORD AND 
HOUSTON. SOME CREEKS AND RIVERS INCLUDED IN THE WARNING...PINE 
CREEK...RUSH CREEK...MONEY CREEK...DALEY CREEK...AND THE SOUTH FORK 
ROOT RIVER.

RAINFALL AMOUNTS OF 1.5 TO 3 INCHES FELL OVER THE AREA. ALTHOUGH 
THERE HAVE NOT YET BEEN ANY REPORTS...EXCESSIVE RUNOFF FROM THESE 
STORMS MAY CAUSE FLOODING OF CREEKS AND STREAMS...ROADS AND 
ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO TRIGGER ROCK AND 
MUD-SLIDES IN STEEP TERRAIN. PERSONS IN THE WARNED AREA SHOULD BE 
PREPARED TO ACT QUICKLY TO AVOID THESE HAZARDS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE TO
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS. REMEMBER...TURN AROUND DONT DROWN.

PLEASE REPORT ANY FLOODING TO YOUR LOCAL LAW ENFORCEMENT OFFICE AND
TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4395 9151 4350 9123 4351 9207 4396 9208

$$

MW
000 
WGUS73 KARX 140958
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
458 AM CDT TUE AUG 14 2007

MNC045-055-169-141008-
WINONA MN-HOUSTON MN-FILLMORE MN-
458 AM CDT TUE AUG 14 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 500 AM CDT FOR EASTERN
FILLMORE...HOUSTON AND SOUTHERN WINONA COUNTIES...

THE THREAT FOR FLASH FLOODING HAS DIMINISHED ACROSS THE WARNED AREA.
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE..

LAT...LON 4395 9151 4350 9123 4351 9207 4396 9208

$$

MW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 10:15 PM CDTSevere Thunderstorm WarningARXWabasha60 min
Aug 14, 12:09 AM CDTSevere Thunderstorm WarningARXWabasha56 min
Aug 14, 12:31 AM CDTSevere Thunderstorm WarningARXDodge, Olmsted, Wabasha59 min
Aug 14, 1:40 AM CDTSevere Thunderstorm WarningARXOlmsted26 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.