Alert archive / Wisconsin / Flash Flood Warnings in 2014

Flash Flood Warning 3, NWS Milwaukee, WI

May 12, 2014Milwaukee County, Ozaukee County, Waukesha County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at May 12, 2014, 7:37 PM CDT for Milwaukee County, Ozaukee County, Waukesha County, Wisconsin. It was in force for 113 min. 5 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
May 12, 2014, 7:37 PM CDT (00:37 UTC)
Expired
May 12, 2014, 9:30 PM CDT
In force
113 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Flood severity
None

Counties Milwaukee County, WI, Ozaukee County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 43 km from the middle of the area, began a volume at 00:39 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
May 12, 7:45 PM CDTFLASH FLOODWaukesha, WIFOX RIVER OUT OF ITS BANKS NEAR THE CROSS STREETS OF MORELAND BLVD. AND MADISON ST NEAR DOWNTOWN WAUKESHA. THERE IS SOME FLOODING OF BACK YARDS OF HOMES.
May 12, 8:05 PM CDTFLASH FLOODBrookfield, WI2 FEET OF WATER AT INTERSECTION OF POMONA AND CLEARWATER STREETS.
May 12, 8:19 PM CDTFLASH FLOODWauwatosa, WITWO RIGHT LANES OF SOUTHBOUND HWY 45 CLOSED AT CENTER ST DUE TO FLOODING. THIS AREA IS NEAR WAUWATOSA WEST HIGH SCHOOL. REPORT COURTESY OF WISN TV.
May 12, 8:28 PM CDTHEAVY RAIN 3.08Pewaukee, WI3.08 INCHES OF RAIN SINCE MIDNIGHT.
May 12, 8:28 PM CDTHEAVY RAIN 3.83Dousman, WI3.83 INCHES OF RAIN SINCE MIDNIGHT.

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 00:00Z, 0.6 hours before the alert went out and 158 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 00:00Z on 2014-05-13Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 2014-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 330 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
462 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
330 m²/s²
0-3 km storm-relative helicity
368 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

700 
WGUS53 KMKX 130037
FFWMKX
WIC079-089-133-130230-
/O.NEW.KMKX.FF.W.0003.140513T0037Z-140513T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
737 PM CDT MON MAY 12 2014

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL OZAUKEE COUNTY IN SOUTHEAST WISCONSIN...
  NORTHERN MILWAUKEE COUNTY IN SOUTHEAST WISCONSIN...
  WAUKESHA COUNTY IN SOUTHEAST WISCONSIN...

* UNTIL 930 PM CDT

* AT 735 PM CDT...THE PUBLIC REPORTED HEAVY RAIN IN PARTS OF 
  WAUKESHA.  STREET FLOODING WAS REPORTED IN THE CITY OF WAUKESHA.   
  UP TO TWO INCHES OF RAIN HAS ALREADY FALLEN. FLASH FLOODING 
  IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MILWAUKEE...WAUKESHA...WEST ALLIS...WAUWATOSA...NEW BERLIN...
  BROOKFIELD...GREENFIELD...MENOMONEE FALLS...MEQUON...WHITEFISH
  BAY...GREENDALE...PEWAUKEE...BROWN DEER...SUSSEX...ST. FRANCIS...
  HARTLAND...HALES CORNERS...DELAFIELD...FOX POINT AND ELM GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 4286 8851 4314 8846 4320 8790 4316 8788
      4314 8790 4312 8790 4310 8787 4307 8787
      4305 8789 4302 8790 4298 8787

$$

MBK
2 follow-up statements
434 
WGUS73 KMKX 130109
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
809 PM CDT MON MAY 12 2014

WIC079-089-133-130230-
/O.CON.KMKX.FF.W.0003.000000T0000Z-140513T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OZAUKEE WI-MILWAUKEE WI-WAUKESHA WI-
809 PM CDT MON MAY 12 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR
SOUTH CENTRAL OZAUKEE...NORTHERN MILWAUKEE AND WAUKESHA COUNTIES...

AT 806 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAIN CONTINUING ACROSS THE WARNED AREA.  FLASH FLOODING IS EXPECTED 
TO CONTINUE IN THE AREA. 

RADAR ESTIMATED BETWEEN 1 AND 2 INCHES OF RAIN HAS FALLEN ACROSS 
WAUKESHA AND NORTHERN MILWAUKEE COUNTIES SINCE 630 PM CDT.  AN 
ADDITIONAL ONE HALF INCH TO ONE INCH IS EXPECTED. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MILWAUKEE...WAUKESHA...WEST ALLIS...WAUWATOSA...NEW BERLIN...
BROOKFIELD...GREENFIELD...MENOMONEE FALLS...MEQUON...WHITEFISH BAY...
GREENDALE...PEWAUKEE...BROWN DEER...SUSSEX...ST. FRANCIS...
HARTLAND...HALES CORNERS...DELAFIELD...FOX POINT AND ELM GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4286 8851 4314 8846 4320 8790 4316 8788
      4314 8790 4312 8790 4310 8787 4307 8787
      4305 8789 4302 8790 4298 8787

$$

MBK
683 
WGUS73 KMKX 130211
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
911 PM CDT MON MAY 12 2014

WIC079-089-133-130230-
/O.CON.KMKX.FF.W.0003.000000T0000Z-140513T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OZAUKEE WI-MILWAUKEE WI-WAUKESHA WI-
911 PM CDT MON MAY 12 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR
SOUTH CENTRAL OZAUKEE...NORTHERN MILWAUKEE AND WAUKESHA COUNTIES...

AT 905 PM CDT...DOPPLER RADAR INDICATED MORE THUNDERSTORMS PRODUCING 
HEAVY RAIN APPROACHING THE WARNED AREA FROM THE SOUTH. HOWEVER THESE 
THUNDERSTORMS DO NOT LOOK AS STRONG AS THE THUNDERSTORMS THAT 
AFFECTED THE AREA EARLIER THIS EVENING.  RADAR ESTIMATED RAINFALL OF 
1 TO 2.5 INCHES HAS FALLEN ACROSS WAUKESHA INTO NORTHERN MILWAUKEE 
COUNTY.

AN ADDITIONAL ONE HALF INCH TO ONE INCH OF RAINFALL IS ANTICIPATED 
THROUGH THE LATE EVENING. 
 
THE FLASH FLOOD WARNING MAY NEED TO BE EXTENDED BEYOND 930 PM 
CDT. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MILWAUKEE...WAUKESHA...WEST ALLIS...WAUWATOSA...NEW BERLIN...
BROOKFIELD...GREENFIELD...MENOMONEE FALLS...MEQUON...WHITEFISH BAY...
GREENDALE...PEWAUKEE...BROWN DEER...SUSSEX...ST. FRANCIS...
HARTLAND...HALES CORNERS...DELAFIELD...FOX POINT AND ELM GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4286 8851 4314 8846 4320 8790 4316 8788
      4314 8790 4312 8790 4310 8787 4307 8787
      4305 8789 4302 8790 4298 8787

$$

MBK

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 7:10 PM CDTAreal Flood AdvisoryMKXJefferson, Rock, Walworth, Waukesha2 hr
May 12, 7:17 PM CDTSevere Thunderstorm WarningMKXRacine13 min
May 12, 7:23 PM CDTSpecial Marine WarningMKX82 min
May 12, 7:24 PM CDTSpecial Weather StatementMKXWaukesha36 min
May 12, 7:29 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Racine, Walworth, Waukesha31 min
May 12, 7:32 PM CDTAreal Flood AdvisoryMKXMilwaukee, Ozaukee, Washington, Waukesha118 min
May 12, 7:33 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Waukesha27 min
May 12, 8:11 PM CDTSpecial Weather StatementMKXKenosha, Racine, Walworth64 min
May 12, 8:19 PM CDTSpecial Weather StatementMKXRock41 min
May 12, 8:29 PM CDTAreal Flood AdvisoryMKXGreen, Jefferson, Kenosha, Milwaukee, Racine, Rock and 2 more2 hr
May 12, 8:38 PM CDTFlash Flood WarningMKXKenosha, Racine3 hr
May 12, 8:39 PM CDTSevere Thunderstorm WarningMKXRock, Walworth36 min
May 12, 9:15 PM CDTSpecial Weather StatementMKXWalworth30 min
May 12, 9:29 PM CDTFlash Flood WarningMKXJefferson, Milwaukee, Waukesha3 hr
May 12, 9:31 PM CDTSpecial Weather StatementMKXWaukesha44 min
May 12, 9:34 PM CDTSpecial Weather StatementMKXWaukesha26 min
May 12, 11:37 PM CDTRiver Flood WarningMKXWaukesha22 hr
May 13, 2:34 AM CDTMarine Dense Fog AdvisoryMKX4 hr
May 13, 4:57 AM CDTRiver Flood WarningMKXKenosha7 days

Nearby

Flash Flood Warnings in Wisconsin, 2014Every flash flood warning in 2014

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.