Alert archive / Wisconsin / Flash Flood Warnings in 2014

Flash Flood Warning 6, NWS Milwaukee, WI

May 27, 2014Dane County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at May 27, 2014, 5:47 PM CDT for Dane County, Wisconsin. It was in force for 3 hr. 3 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 27, 2014, 5:47 PM CDT (22:47 UTC)
Expired
May 27, 2014, 8:45 PM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Flood severity
None

County Dane County, WI

The radar

The Milwaukee radar (KMKX), 77 km from the middle of the area, began a volume at 22:47 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 27, 6:01 PM CDTFLASH FLOODMadison, WIEASTBOUND BELTLINE OFF-RAMP TO JOHN NOLEN DRIVE BLOCKED BY POLICE DUE TO HIGH WATER.
May 27, 6:10 PM CDTFLASH FLOODMadison, WIIN DOWNTOWN MADISON...MANY STREETS IMPASSABLE...MANHOLE COVERS POPPING OFF...MULTIPLE VEHICLES BEING SWEPT AWAY OR PUSHED INTO ONCOMING TRAFFIC.
May 27, 6:50 PM CDTFLASH FLOODMadison, WITHE NORTHBOUND SIDE OF SOUTH PARK STREET IS TOTALLY UNDER WATER AT WINGRA DRIVE. REPORT RELAYED VIA SOCIAL MEDIA.

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, 10.8 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, Green Bay/Straub, WI at 12:00Z on 2014-05-27Temperature 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 2014-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
847 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
122 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.

266 
WGUS53 KMKX 272247
FFWMKX
WIC025-280145-
/O.NEW.KMKX.FF.W.0006.140527T2247Z-140528T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
547 PM CDT TUE MAY 27 2014

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL DANE COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 845 PM CDT
    
* AT 544 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
  HEAVY RAIN IN MONONA...WHERE ESTIMATES OF TWO TO TWO AND ONE HALF 
  INCHES OF RAIN HAVE ALREADY FALLEN IN THE LAST HOUR. OTHER STORMS 
  WITH HEAVY RAINFALL WILL ALSO AFFECT AREAS IN AND AROUND 
  MADISON...AS WELL AS AREAS NORTH OF MADISON. FLASH FLOODING IS 
  EXPECTED TO BEGIN SHORTLY IN THESE AREAS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MADISON...SUN PRAIRIE...FITCHBURG...MIDDLETON...WAUNAKEE...
  VERONA...MCFARLAND...MONONA...WINDSOR...SAUK CITY...DEFOREST...
  COTTAGE GROVE...CROSS PLAINS...SHOREWOOD HILLS...MAPLE BLUFF...
  DANE...CAMP RANDALL STADIUM...HENRY VILAS ZOO...UW-MADISON AND
  TOKEN CREEK.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA IN THE NEXT FEW HOURS. 

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 4298 8954 4327 8972 4329 8971 4328 8916
      4294 8918

$$

WOOD
3 follow-up statements
085 
WGUS73 KMKX 272349
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
649 PM CDT TUE MAY 27 2014

WIC025-280145-
/O.CON.KMKX.FF.W.0006.000000T0000Z-140528T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DANE WI-
649 PM CDT TUE MAY 27 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
CENTRAL DANE COUNTY...

AT 610 PM CDT...THE BROADCAST MEDIA REPORTED FLASH FLOODING 
OCCURRING IN DOWNTOWN MADISON. MANY STREETS WERE IMPASSIBLE...WITH 
MANHOLE COVERS POPPING OFF. MULTIPLE VEHICLES WERE BEING SWEPT AWAY 
OR BEING PUSHED INTO ONCOMING TRAFFIC. THE EASTBOUND BELTLINE OFF 
RAMP TO JOHN NOLEN DRIVE IS ALSO BLOCKED DUE TO HIGH WATER.

TWO TO THREE INCHES OF RAIN HAVE ALREADY FALLEN IN THE LAST HOUR IN 
DOWNTOWN MADISON. FLASH FLOODING IS OCCURRING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... 
MADISON...SUN PRAIRIE...FITCHBURG...MIDDLETON...WAUNAKEE...VERONA... 
MCFARLAND...MONONA...WINDSOR...SAUK CITY...DEFOREST...COTTAGE 
GROVE...CROSS PLAINS...SHOREWOOD HILLS...MAPLE BLUFF...DANE...CAMP 
RANDALL STADIUM...HENRY VILAS ZOO...UW-MADISON AND TOKEN CREEK.

ADDITIONAL RAINFALL AMOUNTS OF UP TO 1 INCH IN AN HOUR ARE POSSIBLE 
IN THE WARNED AREA.

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 4298 8954 4327 8972 4329 8971 4328 8916
      4294 8918

$$

WOOD
301 
WGUS73 KMKX 280102
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
802 PM CDT TUE MAY 27 2014

WIC025-280145-
/O.CON.KMKX.FF.W.0006.000000T0000Z-140528T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DANE WI-
802 PM CDT TUE MAY 27 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
CENTRAL DANE COUNTY...

AT 650 PM CDT...THE BROADCAST MEDIA REPORTED FLASH FLOODING IN 
MADISON. THE NORTHBOUND LANES OF SOUTH PARK STREET WERE TOTALLY 
UNDER WATER AT WINGRA DRIVE.

AT 610 PM CDT...THE BROADCAST MEDIA REPORTED FLASH FLOODING 
OCCURRING IN DOWNTOWN MADISON. MANY STREETS WERE IMPASSIBLE...WITH 
MANHOLE COVERS POPPING OFF. MULTIPLE VEHICLES WERE BEING SWEPT AWAY 
OR BEING PUSHED INTO ONCOMING TRAFFIC. THE EASTBOUND BELTLINE OFF 
RAMP TO JOHN NOLEN DRIVE IS ALSO BLOCKED DUE TO HIGH WATER.

THREE TO FOUR INCHES OF RAIN HAVE ALREADY FALLEN IN THE LAST TWO 
HOURS IN DOWNTOWN MADISON AND MONONA. FLASH FLOODING IS OCCURRING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MADISON...SUN PRAIRIE...FITCHBURG...MIDDLETON...WAUNAKEE...VERONA...
MCFARLAND...MONONA...WINDSOR...SAUK CITY...DEFOREST...COTTAGE
GROVE...CROSS PLAINS...SHOREWOOD HILLS...MAPLE BLUFF...DANE...CAMP
RANDALL STADIUM...HENRY VILAS ZOO...UW-MADISON AND TOKEN CREEK.

ADDITIONAL RAINFALL AMOUNTS OF UP TO 1 INCH IN AN HOUR ARE POSSIBLE 
IN THE WARNED AREA...AS MORE STORMS WITH HEAVY RAINFALL MOVE INTO 
THE WARNED AREA.

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 4298 8954 4327 8972 4329 8971 4328 8916
      4294 8918

$$

WOOD
009 
WGUS73 KMKX 280143
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
843 PM CDT TUE MAY 27 2014

WIC025-280149-
/O.EXP.KMKX.FF.W.0006.000000T0000Z-140528T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DANE WI-
843 PM CDT TUE MAY 27 2014

...THE FLASH FLOOD WARNING FOR CENTRAL DANE COUNTY WILL EXPIRE AT 845
PM CDT...

THE HEAVY RAIN HAS ENDED ACROSS THE MADISON AREA...AND ADDITIONAL 
FLASH FLOODING IN NO LONGER EXPECTED. HOWEVER...STEADY LIGHT TO 
MODERATE RAIN WILL CONTINUE FOR THE NEXT HOUR. 

THERE IS ALSO ONE MORE BROKEN LINE OF SHOWERS AND THUNDERSTORMS TO 
THE WEST OF MADISON...AND SHOULD REACH MADISON BY 10 PM CDT. THIS 
MAY BRING BRIEF HEAVY RAINFALL...THOUGH THE STORMS ARE EXPECTED TO 
GRADUALLY DIMINISH. 

IN ADDITION...SEVERAL ROADS AROUND DOWNTOWN MADISON REMAIN CLOSED 
DUE TO FLOODING. THOSE DRIVING AROUND MADISON THIS EVENING SHOULD BE 
AWARE OF THESE CLOSURES...AND AVOID DRIVING INTO FLOODED ROADS.

LAT...LON 4298 8954 4327 8972 4329 8971 4328 8916
      4294 8918

$$

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 1:50 PM CDTAreal Flood AdvisoryMKXMilwaukee, Ozaukee, Washington3 hr
May 27, 3:19 PM CDTAreal Flood AdvisoryMKXGreen, Kenosha, Racine, Rock, Walworth3 hr
May 27, 4:17 PM CDTSpecial Weather StatementMKXColumbia28 min
May 27, 5:18 PM CDTAreal Flood AdvisoryMKXDane3 hr

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.