Alert archive / Wisconsin / Flash Flood Warnings in 2006

Flash Flood Warning 13, NWS Milwaukee, WI

September 12, 2006Dodge County, Jefferson County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Sep 12, 2006, 1:54 PM CDT for Dodge County, Jefferson 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
Sep 12, 2006, 1:54 PM CDT (18:54 UTC)
Expired
Sep 12, 2006, 5:00 PM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text

Counties Dodge County, WI, Jefferson County, WI

The radar

The Milwaukee radar (KMKX), 17 km from the middle of the area, began a volume at 18:55 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
Sep 12, 2:00 PM CDTFLOODWatertown, WISTREET FLOODING ON DAYTON STREET...IN THE OLD WATERTOWN AREA...AND AT THE INTERSECTIONS OF 8TH AND MARKET STREETS...9TH AND MARKET STREETS...AND ON 12TH STREET.

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, 6.9 hours before the alert went out and 159 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 2006-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2006-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
569 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
135 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 KMKX 121859
FFWMKX
WIC027-055-122200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
154 PM CDT TUE SEP 12 2006

THE NATIONAL WEATHER SERVICE IN MILWAUKEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DODGE COUNTY IN SOUTHEAST WISCONSIN
  JEFFERSON COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 500 PM CDT

* AT 151 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH  
  FLOODING FROM PERSISTENT HEAVY RAINFALL ON THE WEST SIDE SIDE 
  OF WATERTOWN.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO      
  WATERTOWN...JEFFERSON...JOHNSON CREEK...AND HUSTISFORD

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. ADDITIONAL 
HEAVY RAINFALL OF 1 TO 2 INCHES IS POSSIBLE OVER THE WARNED AREA 
OVER THE NEXT SEVERAL HOURS.

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. 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 4287 8884 4286 8856 4321 8856 4322 8842
      4336 8843 4336 8884

$$

FOWLE
2 follow-up statements
000 
WGUS73 KMKX 122007
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
303 PM CDT TUE SEP 12 2006

WIC027-055-122200-
DODGE WI-JEFFERSON WI-
303 PM CDT TUE SEP 12 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
EASTERN JEFFERSON AND SOUTHEASTERN DODGE COUNTIES...

AT 303 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE AREAS OF MODERATE TO HEAVY RAINFALL PRODUCING FLASH 
FLOODING OVER THE WARNED AREA. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
WATERTOWN...SULLIVAN...FORT ATKINSON...AND HUSTISFORD

DOPPLER RADAR ESTIMATES INDICATE THAT AT LEAST ONE TO THREE INCHES 
OF RAINFALL HAVE FALLEN IN THE WARNED AREA...WITH ONE AUTOMATED RAIN 
GAUGE IN NORTHERN JEFFERSON COUNTY REPORTING 5 TO 6 INCHES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
MILWAUKEE.

LAT...LON 4287 8884 4286 8856 4321 8856 4322 8842
      4336 8843 4336 8884

$$

FOWLE
000 
WGUS73 KMKX 122138
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
436 PM CDT TUE SEP 12 2006

WIC027-055-122146-
DODGE WI-JEFFERSON WI-
436 PM CDT TUE SEP 12 2006

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR JEFFERSON AND 
DODGE COUNTIES...

SCATTERED SHOWERS WILL PERSIST THE REMAINDER OF THE AFTERNOON AND 
INTO THE EVENING BUT THE HEAVIEST RAINFALL HAS ENDED. 

LAT...LON 4287 8884 4286 8856 4321 8856 4322 8842
      4336 8843 4336 8884

$$

GEHRING

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 2:20 PM CDTFlash Flood WarningMKXWaukesha3 hr
Sep 12, 3:26 PM CDTFlash Flood WarningMKXMilwaukee3 hr
Sep 12, 3:49 PM CDTFlash Flood WarningMKXKenosha, Racine3 hr

Nearby

Flash Flood Warnings in Wisconsin, 2006Every flash flood warning in 2006

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.