Alert archive / Wisconsin / Flash Flood Warnings in 2007

Flash Flood Warning 4, NWS La Crosse, WI

July 22, 2007Buffalo County, Wisconsin

NWS La Crosse, WI issued this flash flood warning at Jul 22, 2007, 8:46 PM CDT for Buffalo County, Wisconsin. It was in force for 6 hr. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 22, 2007, 8:46 PM CDT (01:46 UTC)
Expired
Jul 23, 2007, 2:45 AM CDT
In force
6 hr
Issued by
NWS La Crosse, WI
Area
Whole counties

County Buffalo County, WI

The radar

The La Crosse radar (KARX), 77 km from the middle of the area, began a volume at 01:48 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
Jul 22, 9:20 PM CDTHEAVY RAIN 0Cochrane, WISTREET FLOODING IN COCHRANE
Jul 22, 9:20 PM CDTHEAVY RAIN 2Buffalo, WISTREET FLOODING IN BUFFALO CITY
Jul 22, 9:23 PM CDTHEAVY RAIN 55 W Mondovi, WIPUBLIC REPORT OF MEASURED 5.0 INCHES OF RAIN THUS FAR. MANY REPORTS ACROSS NORTHERN BUFFALO COUNTY OF LOWLAND FLOODING.

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, 1.8 hours before the alert went out and 155 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 2007-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 820 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 2007-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 square meters per square second.1939Sfc1 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
820 J/kg
Mixed-layer CIN
-261 J/kg
Mixed-layer LCL
1143 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
258 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 230150
FFWARX
WIC011-230745-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
846 PM CDT SUN JUL 22 2007

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

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

* UNTIL 245 AM CDT

* AT 846 PM CDT...ESTIMATES FROM RADAR INDICATED THAT NEARLY 3 INCHES
  OF RAIN HAS FALLEN DURING THE PAST 2 HOURS OVER THE WARNED AREA.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE MODENA...MONDOVI...AS  
  WELL AS PRAAG..CREAM...GILMANTON. ALSO...THOSE WHO LIVE NEAR
  FARRINGTON CREEK...WAUMANDEE CREEK...AND THE BUFFALO RIVER SHOULD  
  BE PREPARED FOR RAPID RISES IN THESE CREEKS AND RIVERS.

THERE IS THE POTENTIAL FOR ANOTHER INCH OR TWO OF RAIN THROUGH 11 
PM...AND THIS MAY ADD TO THE FLASH FLOOD POTENTIAL.

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.

IF YOUR ARE CAMPING...IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE
TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY
RAINS. CAMPERS SHOULD SEEK HIGHER GROUND AWAY FROM RISING WATER
IMMEDIATELY.

LAT...LON 4459 9156 4407 9161 4414 9175 4425 9188
      4459 9185

$$

BINAU
3 follow-up statements
000 
WGUS73 KARX 230233
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
929 PM CDT SUN JUL 22 2007

WIC011-230745-
BUFFALO WI-
929 PM CDT SUN JUL 22 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM CDT FOR 
BUFFALO COUNTY...

AT 923 PM CDT...A CITIZEN REPORT OF 5 INCHES OF RAIN WAS RECEIVED 5 
MILES WEST OF THE CITY OF MONDOVI. REPORTS HAVE ALSO BEEN RECEIVED 
OF SIGNIFICANT STREET FLOODING IN BUFFALO CITY AND COCHRANE. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MONDOVI AND 
MODENA...CREAM...PRAAG...GILMANTON. AREAS ALONG FARRINGTON 
CREEK...THE BUFFALO RIVER...AND THE WAUMANDEE CREEK ARE ALSO AREAS 
OF CONCERN.

THE BAND OF THUNDERSTORMS HAS BECOME A LITTLE LESS ORGANIZED OVER 
THE PAST HOUR...BUT MORE HEAVY RAIN AREAS WILL MOVE ACROSS BUFFALO 
COUNTY THROUGH 11 PM. ANOTHER INCH OF RAIN...PERHAPS LOCALLY TWO 
INCHES IS CERTAINLY POSSIBLE FOR THOSE AREAS ALREADY HAVING RECEIVED 
EXCESSIVE RAINFALL. 

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 4459 9156 4407 9161 4414 9175 4425 9188
      4459 9185

$$

BINAU
000 
WGUS73 KARX 230359
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1058 PM CDT SUN JUL 22 2007

WIC011-230745-
BUFFALO WI-
1058 PM CDT SUN JUL 22 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM CDT FOR 
BUFFALO COUNTY...

AT 1050 PM CDT...WEATHER SERVICE RADAR SHOWED THAT THUNDERSTORMS HAD 
RAPIDLY MOVED OUT OF MUCH OF BUFFALO COUNTY. THERE WERE STILL A FEW 
LOCALLY HEAVY DOWNPOURS MOVING THROUGH THE COUNTY...BUT IT APPEARS 
THE CONCENTRATED AREA OF STORMS HAS ENDED FOR THE REST OF THE 
NIGHT...AND THE WIDESPREAD HEAVY RAIN THREAT IS DIMINISHING. 

HOWEVER...REPORTS OF 5 INCHES OF RAIN WEST OF MONDOVI...SUGGESTS 
THAT WATER IS STILL LIKELY DRAINING OUT OF THE SMALL CREEKS AND 
STREAMS...AND SOME RIVERS MAY STILL BE ON THE RISE...AND SOME 
ROADWAYS AND LOW LYING AREAS MAY STILL BE UNDERWATER.

WIDESPREAD FLASH FLOODING HAS NOT BEEN REPORTED ACROSS BUFFALO 
COUNTY...THOUGH THERE HAVE BEEN NUMEROUS REPORTS OF URBANIZED 
FLOODING....AND FLOODING IN LOWLAND AREAS AND DRAINAGE DITCHES. IF 
WIDESPREAD THUNDERSTORM ACTIVITY FAILS TO REDEVELOP BY 
MIDNIGHT...AND NO FLOODING REPORTS ARE RECEIVED...THE FLASH FLOOD 
WARNING MAY BE CANCELLED EARLY.

LOCATIONS IN THE WARNING INCLUDE AREAS ALONG FARRINGTON 
CREEK...WAUMANDEE CREEK...AND THE BUFFALO RIVER.

FLOODING OF CREEKS AND STREAMS...ROADS AND ROADSIDE CULVERTS IS 
STILL POSSIBLE...DESPITE STORMS HAVING ENDED FOR THE MOST PART. 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 4459 9156 4407 9161 4414 9175 4425 9188
      4459 9185

$$

BINAU
000 
WGUS73 KARX 230427
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1127 PM CDT SUN JUL 22 2007

WIC011-230437-
BUFFALO WI-
1127 PM CDT SUN JUL 22 2007

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN BUFFALO
COUNTY...

WHILE SCATTERED SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE 
COUNTY THROUGH THE NIGHT...THE THE THREAT FOR WIDESPREAD TORRENTIAL 
RAINS HAS ENDED. THE THREAT FOR FLASH FLOODING HAS DIMINSHED ACROSS 
THE WARNED AREA. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN 
CANCELLED..

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

LAT...LON 4459 9156 4407 9161 4414 9175 4425 9188
      4459 9185

$$

BINAU

Nearby

Flash Flood Warnings in Wisconsin, 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.