Alert archive / Wisconsin / Flash Flood Warnings in 2014

Flash Flood Warning 8, NWS Milwaukee, WI

June 18, 2014Iowa County, Sauk County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Jun 18, 2014, 1:30 AM CDT for Iowa County, Sauk County, Wisconsin. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 18, 2014, 1:30 AM CDT (06:30 UTC)
Expired
Jun 18, 2014, 4:30 AM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Flood severity
None

Counties Iowa County, WI, Sauk County, WI

The radar

The La Crosse radar (KARX), 111 km from the middle of the area, began a volume at 06:33 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.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 6.5 hours before the alert went out and 195 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 2014-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1626 joules per kilogram.LCLLFCEL10008507005003002001001 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 2014-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
1626 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1087 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-1.4

Open this sounding in Storm Lab

The text

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

779 
WGUS53 KMKX 180630
FFWMKX
WIC049-111-180930-
/O.NEW.KMKX.FF.W.0008.140618T0630Z-140618T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
130 AM CDT WED JUN 18 2014

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SAUK COUNTY IN SOUTH CENTRAL WISCONSIN...
  IOWA COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 430 AM CDT
    
* AT 128 AM CDT...DOPPLER RADAR INDICATED A CLUSTER OF THUNDERSTORMS 
  PRODUCING HEAVY RAIN ACROSS MUCH OF IOWA AND SAUK COUNTIES FLASH 
  FLOODING IS EXPECTED TO BEGIN SHORTLY.  SOME AREAS HAVE LIKELY 
  RECEIVED UPWARDS OF 2 INCHES OF RAIN WITH THUNDERSTORMS CONTINUING 
  TO REGENERATE TO THE WEST AND HEAD FOR THE AFFECTED AREA. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BARABOO...REEDSBURG...DODGEVILLE...PRAIRIE DU SAC...SAUK CITY...
  WISCONSIN DELLS...MINERAL POINT...LAKE WISCONSIN...LAKE DELTON...
  SPRING GREEN...WEST BARABOO...BARNEVELD...HIGHLAND...ARENA...
  PLAIN...NORTH FREEDOM...RIDGEWAY...AVOCA...ORION AND LINDEN.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4320 9043 4321 9030 4320 9027 4317 9019
      4355 9019 4356 9031 4364 9031 4364 8979
      4360 8976 4360 8972 4357 8973 4355 8960
      4355 8965 4339 8961 4336 8964 4335 8969
      4327 8973 4321 8984 4282 8985 4281 9043

$$

DAVIS
3 follow-up statements
842 
WGUS73 KMKX 180735
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
235 AM CDT WED JUN 18 2014

WIC049-111-180930-
/O.CON.KMKX.FF.W.0008.000000T0000Z-140618T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAUK WI-IOWA WI-
235 AM CDT WED JUN 18 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 AM CDT FOR
SAUK AND IOWA COUNTIES...

AT 233 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 1 INCH AND 1.5 INCHES OF 
RAIN HAS ALREADY FALLEN. FLASH FLOODING IS EXPECTED. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BARABOO...REEDSBURG...DODGEVILLE...PRAIRIE DU SAC...SAUK CITY...
WISCONSIN DELLS...MINERAL POINT...LAKE WISCONSIN...LAKE DELTON...
SPRING GREEN...WEST BARABOO...BARNEVELD...HIGHLAND...ARENA...PLAIN...
NORTH FREEDOM...RIDGEWAY...AVOCA...ORION AND LINDEN.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 4320 9043 4321 9030 4320 9027 4317 9019
      4355 9019 4356 9031 4364 9031 4364 8979
      4360 8976 4360 8972 4357 8973 4355 8960
      4355 8965 4339 8961 4336 8964 4335 8969
      4327 8973 4321 8984 4282 8985 4281 9043

$$

REM
334 
WGUS73 KMKX 180831
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
331 AM CDT WED JUN 18 2014

WIC049-111-180930-
/O.CON.KMKX.FF.W.0008.000000T0000Z-140618T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAUK WI-IOWA WI-
331 AM CDT WED JUN 18 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 AM CDT FOR
SAUK AND IOWA COUNTIES...

AT 329 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING 
HEAVY RAIN ACROSS NORTHWEST SAUK COUNTY. ONE TO TWO INCHES OF RAIN 
HAVE ALREADY FALLEN THERE. FLASH FLOODING IS EXPECTED.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BARABOO...REEDSBURG...DODGEVILLE...PRAIRIE DU SAC...SAUK CITY...
WISCONSIN DELLS...MINERAL POINT...LAKE WISCONSIN...LAKE DELTON...
SPRING GREEN...WEST BARABOO...BARNEVELD...HIGHLAND...ARENA...PLAIN...
NORTH FREEDOM...RIDGEWAY...AVOCA...ORION AND LINDEN.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA...WITH RAINFALL RATES OF 2 TO 3 INCHES PER HOUR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 4320 9043 4321 9030 4320 9027 4317 9019
      4355 9019 4356 9031 4364 9031 4364 8979
      4360 8976 4360 8972 4357 8973 4355 8960
      4355 8965 4339 8961 4336 8964 4335 8969
      4327 8973 4321 8984 4282 8985 4281 9043

$$

REM
294 
WGUS73 KMKX 180930
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
430 AM CDT WED JUN 18 2014

WIC049-111-180940-
/O.EXP.KMKX.FF.W.0008.000000T0000Z-140618T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAUK WI-IOWA WI-
430 AM CDT WED JUN 18 2014

...THE FLASH FLOOD WARNING FOR SAUK AND IOWA COUNTIES HAS EXPIRED...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT. 

LAT...LON 4320 9043 4321 9030 4320 9027 4317 9019
      4355 9019 4356 9031 4364 9031 4364 8979
      4360 8976 4360 8972 4357 8973 4355 8960
      4355 8965 4339 8961 4336 8964 4335 8969
      4327 8973 4321 8984 4282 8985 4281 9043

$$

REM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 10:21 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine, Walworth39 min
Jun 17, 10:57 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine, Walworth63 min
Jun 17, 11:20 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Ozaukee, Waukesha40 min
Jun 17, 11:23 PM CDTSevere Thunderstorm WarningMKXLafayette67 min
Jun 17, 11:25 PM CDTSpecial Marine WarningMKX2 hr
Jun 17, 11:51 PM CDTSevere Thunderstorm WarningMKXIowa, Lafayette54 min
Jun 18, 12:48 AM CDTSevere Thunderstorm WarningMKXMilwaukee, Ozaukee, Waukesha42 min
Jun 18, 1:13 AM CDTAreal Flood AdvisoryMKXIowa, Lafayette, Sauk2 hr
Jun 18, 1:21 AM CDTSevere Thunderstorm WarningMKXIowa54 min
Jun 18, 1:35 AM CDTAreal Flood AdvisoryMKXMilwaukee, Waukesha115 min
Jun 18, 1:52 AM CDTSpecial Weather StatementMKXMilwaukee23 min
Jun 18, 3:25 AM CDTSpecial Weather StatementMKXDane35 min
Jun 18, 6:23 AM CDTSpecial Weather StatementMKXColumbia, Dodge, Fond du Lac, Green Lake, Marquette, Ozaukee and 3 more52 min
Jun 18, 6:36 AM CDTSpecial Weather StatementMKXSauk24 min
Jun 18, 7:05 AM CDTSpecial Weather StatementMKXIowa25 min
Jun 18, 7:42 AM CDTSevere Thunderstorm WarningMKXColumbia, Dane33 min
Jun 18, 7:57 AM CDTTornado WarningMKXDane33 min
Jun 18, 8:07 AM CDTTornado WarningMKXDane, Jefferson23 min
Jun 18, 8:12 AM CDTSevere Thunderstorm WarningMKXColumbia, Dane, Dodge, Jefferson, Rock, Walworth33 min
Jun 18, 8:30 AM CDTSpecial Marine WarningMKX90 min
Jun 18, 8:43 AM CDTSevere Thunderstorm WarningMKXJefferson, Racine, Rock, Walworth, Waukesha32 min
Jun 18, 9:08 AM CDTSpecial Weather StatementMKXKenosha, Milwaukee, Racine, Walworth, Waukesha37 min
Jun 18, 9:15 AM CDTAreal Flood AdvisoryMKXMilwaukee, Waukesha2 hr
Jun 18, 3:35 PM CDTRiver Flood WarningMKXColumbia38 hr
Jun 18, 5:07 PM CDTRiver Flood WarningMKXSheboygan20 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.