Alert archive / Wisconsin / Flash Flood Warnings in 2014

Flash Flood Warning 7, NWS Milwaukee, WI

May 27, 2014Green County, Rock County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at May 27, 2014, 8:20 PM CDT for Green County, Rock 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
May 27, 2014, 8:20 PM CDT (01:20 UTC)
Expired
May 27, 2014, 11:15 PM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Flood severity
None

Counties Green County, WI, Rock County, WI

The radar

The Milwaukee radar (KMKX), 71 km from the middle of the area, began a volume at 01:22 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, 9:25 PM CDTFLASH FLOODBeloit, WINUMEROUS STREETS ARE FLOODED IN THE CITY OF BELOIT FROM HEAVY RAIN ESTIMATED TO BE FALLING AT A RATE OF 2 TO 3 INCHES PER HOUR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.3 hours before the alert went out and 149 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, Davenport, at 00:00Z on 2014-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Davenport, at 00:00Z on 2014-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1861 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
42 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.

830 
WGUS53 KMKX 280120
FFWMKX
WIC045-105-280415-
/O.NEW.KMKX.FF.W.0007.140528T0120Z-140528T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ROCK COUNTY IN SOUTH CENTRAL WISCONSIN...
  SOUTHEASTERN GREEN COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 1115 PM CDT
    
* AT 816 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
  HEAVY RAIN IN SOUTHEAST GREEN COUNTY. ONE TO TWO INCHES OF RAIN 
  HAVE ALREADY FALLEN IN THIS AREA IN THE PAST HOUR. IT IS MOVING 
  INTO SOUTHERN ROCK COUNTY...WHICH HAS ALREADY SEEN ONE TO TWO 
  INCHES OF RAIN...WITH SOME THREE TO FOUR INCH AMOUNTS SOUTH OF 
  JANESVILLE. ANY ADDITIONAL HEAVY RAINFALL IN THIS AREA WILL LEAD 
  TO FLASH FLOODING. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  JANESVILLE...BELOIT...BRODHEAD...CLINTON...ORFORDVILLE...ALBANY...
  FOOTVILLE...NEWARK...MAGNOLIA...TIFFANY...SHOPIERE...JUDA...
  AVALON...JOHNSTOWN CENTER...EMERALD GROVE...HANOVER AND AFTON.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES IN THE NEXT 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 4251 8964 4273 8944 4271 8878 4249 8878

$$

WOOD
3 follow-up statements
260 
WGUS73 KMKX 280257
FFSMKX

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

WIC045-105-280415-
/O.CON.KMKX.FF.W.0007.000000T0000Z-140528T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROCK WI-GREEN WI-
957 PM CDT TUE MAY 27 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
ROCK AND SOUTHEASTERN GREEN COUNTIES...

AT 954 PM CDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING IN THE 
CITY OF BELOIT. NUMEROUS STREETS WERE FLOODED IN THE CITY...WITH 
HEAVY RAINFALL ESTIMATED AT 2 TO 3 INCHES IN ONE HOUR. FLASH 
FLOODING IS OCCURRING IN BELOIT. SOUTHEAST GREEN AND THE REST OF FAR 
SOUTHERN ROCK COUNTY ALSO SAW AN ESTIMATED 2 TO 3 INCHES OF RAIN IN 
THE PAST HOUR.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
JANESVILLE...BELOIT...BRODHEAD...CLINTON...ORFORDVILLE...ALBANY...
FOOTVILLE...NEWARK...MAGNOLIA...TIFFANY...SHOPIERE...JUDA...AVALON...
JOHNSTOWN CENTER...EMERALD GROVE...HANOVER AND AFTON.

ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE 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 4251 8964 4273 8944 4271 8878 4249 8878

$$

WOOD
041 
WGUS73 KMKX 280403
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1103 PM CDT TUE MAY 27 2014

WIC045-105-280415-
/O.CON.KMKX.FF.W.0007.000000T0000Z-140528T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROCK WI-GREEN WI-
1103 PM CDT TUE MAY 27 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
ROCK AND SOUTHEASTERN GREEN COUNTIES...

AT 1059 PM CDT...DOPPLER RADAR INDICATED A GENERAL 2 TO 5 INCHES OF 
RAINFALL ACROSS SOUTHEASTERN GREEN AND FAR SOUTHERN ROCK COUNTIES. 
THE HEAVY RAINFALL HAS ENDED...WITH MODERATE RAINFALL CONTINUING.

AT 954 PM CDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING IN THE 
CITY OF BELOIT. NUMEROUS STREETS WERE FLOODED IN THE CITY...WITH 
HEAVY RAINFALL ESTIMATED AT 2 TO 3 INCHES IN ONE HOUR. FLASH 
FLOODING IS OCCURRING IN BELOIT. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
JANESVILLE...BELOIT...BRODHEAD...CLINTON...ORFORDVILLE...ALBANY...
FOOTVILLE...NEWARK...MAGNOLIA...TIFFANY...SHOPIERE...JUDA...AVALON...
JOHNSTOWN CENTER...EMERALD GROVE...HANOVER AND AFTON.

ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE HALF INCH 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 4251 8964 4273 8944 4271 8878 4249 8878

$$

WOOD
300 
WGUS73 KMKX 280410
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1110 PM CDT TUE MAY 27 2014

WIC045-105-280416-
/O.EXP.KMKX.FF.W.0007.000000T0000Z-140528T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROCK WI-GREEN WI-
1110 PM CDT TUE MAY 27 2014

...THE FLASH FLOOD WARNING FOR ROCK AND SOUTHEASTERN GREEN COUNTIES
WILL EXPIRE AT 1115 PM CDT...

THE HEAVY RAIN HAS ENDED...AND THE LINGERING RAIN SHOULD TAPER OFF 
OVER THE NEXT HOUR. HOWEVER...MANY ROADS ARE CLOSED IN THE BELOIT 
AREA DUE TO EARLIER FLASH FLOODING. THOSE DRIVING DURING THE 
OVERNIGHT HOURS IN THIS AREA SHOULD AVOID ANY FLOODED ROADS.

LAT...LON 4251 8964 4273 8944 4271 8878 4249 8878

$$

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 7:30 PM CDTAreal Flood AdvisoryMKXGreen, Rock3 hr
May 27, 8:49 PM CDTSpecial Weather StatementMKXSauk56 min
May 27, 9:25 PM CDTAreal Flood AdvisoryMKXSauk3 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.