Alert archive / Wisconsin / Flash Flood Warnings in 2007

Flash Flood Warning 9, NWS Milwaukee, WI

July 26, 2007Dodge County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Jul 26, 2007, 8:44 AM CDT for Dodge County, Wisconsin. It was in force for 3 hr. 2 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
Jul 26, 2007, 8:44 AM CDT (13:44 UTC)
Expired
Jul 26, 2007, 11:45 AM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text
Flood severity
None

County Dodge County, WI

The radar

The Milwaukee radar (KMKX), 51 km from the middle of the area, began a volume at 13:46 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 26, 8:52 AM CDTFLASH FLOODBeaver Dam, WIEXCESSIVE STREET FLOODING IN BEAVER DAM FROM 852 AM THROUGH CURRENT TIME. WATER FLOODING INTO AT LEAST ONE CAR WITH RESCUE UNDERWAY. SEVERAL OTHER VEHICLES STALLED IN DEEP WATER.
Jul 26, 11:19 AM CDTHEAVY RAIN 3.8Beaver Dam, WI

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 12:00Z, 1.7 hours before the alert went out and 135 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 12:00Z on 2007-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1156 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, Green Bay/Straub, WI at 12:00Z on 2007-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
1156 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
727 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMKX 261350
FFWMKX
WIC027-261645-
/X.NEW.KMKX.FF.W.0009.070726T1344Z-070726T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
850 AM CDT THU JUL 26 2007

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN AND CENTRAL DODGE COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 1145 AM CDT

* AT 843 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED STREET 
FLOODING IN BEAVER DAM FROM A LINE OF THUNDERSTORMS. RADAR HAS ALSO 
INDICATED UP TO 1 TO 2 INCHES OF RAIN HAS FALLEN FROM WAUPUN SOUTH 
TO WATERTOWN. ADDITIONAL HEAVY RAINFALL IS EXPECTED OVER THE NEXT 
COUPLE HOURS.

* LOCATIONS IN THE WARNING INCLUDE A LINE FROM WAUPUN TO WATERTOWN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

FLASH FLOODING IS OCCURRING. MOST FLOOD RELATED DEATHS OCCUR IN 
AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED 
BRIDGES...DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A 
FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER 
MOVE UP TO HIGHER GROUND.

LAT...LON 4321 8894 4321 8858 4364 8865 4364 8895

$$

BORGHOFF
3 follow-up statements
000 
WGUS73 KMKX 261433
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
932 AM CDT THU JUL 26 2007

WIC027-261645-
/X.CON.KMKX.FF.W.0009.000000T0000Z-070726T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DODGE-
932 AM CDT THU JUL 26 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR 
WESTERN AND CENTRAL DODGE COUNTY...

AT 923 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING IN THE CITY OF BEAVER DAM. SEVERAL FEET OF WATER HAVE 
STRANDED CARS AND A RESCUE IS CURRENTLY UNDERWAY. MODERATE TO HEAVY 
RAIN IS EXPECTED TO CONTINUE IN THE WARNING AREA FOR THE NEXT HOUR.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
WAUPUN...JUNEAU...HUSTISFORD...HORICON...AND BEAVER DAM.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. REMEMBER...TURN AROUND...DON/T DROWN. MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING 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 CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 4321 8894 4321 8858 4364 8865 4364 8895

$$

BORGHOFF
000 
WGUS73 KMKX 261457
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
957 AM CDT THU JUL 26 2007

WIC027-261645-
/X.CON.KMKX.FF.W.0009.000000T0000Z-070726T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DODGE-
957 AM CDT THU JUL 26 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR 
WESTERN AND CENTRAL DODGE COUNTY...

AT 955 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THE FLASH 
FLOODING IN BEAVER DAM IS BEGINNING TO IMPROVE. NATIONAL WEATHER 
SERVICE DOPPLER RADAR ALSO INDICATES THAT THE HEAVIEST RAIN HAS 
PUSHED OFF TO THE EAST AND IS DIMINISHING.

THE FLASH FLOOD WARNING WILL REMAIN IN EFFECT UNTIL ALL RESIDUAL 
FLOODING ENDS.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
WAUPUN...HORICON AND BEAVER DAM.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. TURN AROUND...DON/T DROWN. MOVE TO HIGHER GROUND.

TO REPORT FLOODING OR FLOOD DAMAGE...HAVE THE NEAREST LAW 
ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE 
FORECAST OFFICE IN SULLIVAN.

LAT...LON 4321 8894 4321 8858 4364 8865 4364 8895

$$

BORGHOFF
000 
WGUS73 KMKX 261537
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1037 AM CDT THU JUL 26 2007

WIC027-261542-
/X.CAN.KMKX.FF.W.0009.000000T0000Z-070726T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DODGE-
1037 AM CDT THU JUL 26 2007

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WESTERN AND 
CENTRAL DODGE COUNTY...

AT 1030 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT THE 
FLOODING HAS ENDED IN BEAVER DAM. NATIONAL WEATHER SERVICE DOPPLER 
RADAR HAS ALSO SHOWN THE HEAVIEST RAIN HAS PUSHED WELL TO THE EAST 
OF THE FLOODED AREA...AS IT CONTINUES TO DIMINISH.

ADDITIONAL THUNDERSTORMS ARE EXPECTED LATER TODAY...WITH MORE HEAVY 
RAINS POSSIBLE. RADAR INDICATES THAT 3 TO 4 INCHES OF RAIN HAS 
OCCURRED NEAR AND JUST NORTH OF BEAVER DAM OVER THE PAST 3 HOURS. IF 
PROLONGED HEAVY RAIN OCCURS OVER THIS AREA AGAIN TODAY...ADDITIONAL 
FLASH FLOOD WARNINGS MAY BE ISSUED.

LAT...LON 4321 8894 4321 8858 4364 8865 4364 8895

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 3:38 PM CDTSpecial Marine WarningMKX67 min
Jul 26, 4:40 PM CDTSpecial Marine WarningMKX95 min
Jul 26, 6:24 PM CDTSpecial Marine WarningMKX2 hr

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.