Alert archive / Wisconsin / Flash Flood Warnings in 2014

Flash Flood Warning 1, NWS Milwaukee, WI

April 12, 2014Columbia County, Iowa County, Sauk County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Apr 12, 2014, 11:10 PM CDT for Columbia County, Iowa County, Sauk 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
Apr 12, 2014, 11:10 PM CDT (04:10 UTC)
Expired
Apr 13, 2014, 2:15 AM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Flood severity
None

Counties Columbia County, WI, Iowa County, WI, Sauk County, WI

The radar

The La Crosse radar (KARX), 112 km from the middle of the area, began a volume at 04:10 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
Apr 12, 11:12 PM CDTHEAVY RAIN 2.29Lone Rock Airport, WIKLNR IN ABOUT 2.5 HOURS TIME. INCLUDES 1.50 INCHES FROM 956PM TO 1112PM.

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, 4.2 hours before the alert went out and 184 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 2014-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 661 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, Davenport, at 00:00Z on 2014-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
661 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1978 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

185 
WGUS53 KMKX 130410
FFWMKX
WIC021-049-111-130715-
/O.NEW.KMKX.FF.W.0001.140413T0410Z-140413T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1110 PM CDT SAT APR 12 2014

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN SAUK COUNTY IN SOUTH CENTRAL WISCONSIN...
  NORTHWESTERN IOWA COUNTY IN SOUTH CENTRAL WISCONSIN...
  SOUTHWESTERN COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN...

* UNTIL 215 AM CDT
    
* AT 1109 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED 
  A THUNDERSTORM PRODUCING HEAVY RAIN.  UP TO THREE INCHES OF RAIN 
  HAVE ALREADY FALLEN. NEARLY TWO INCHES OF RAIN HAS BEEN MEASURED 
  IN THE PAST TWO HOURS AT THE LONE ROCK AIRPORT.  FLASH FLOODING IS 
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  PRAIRIE DU SAC...SAUK CITY...LAKE WISCONSIN...LODI...SPRING
  GREEN...PLAIN...AVOCA...ORION...MERRIMAC...HARMONY GROVE...LELAND
  AND OKEE.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO 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 9029 4319 9028 4320 9026
      4317 9022 4317 9019 4332 9019 4344 8957
      4331 8952 4329 8960 4329 8971 4326 8973
      4309 9043

$$

CRAVEN
3 follow-up statements
453 
WGUS73 KMKX 130503
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1203 AM CDT SUN APR 13 2014

WIC021-049-111-130715-
/O.CON.KMKX.FF.W.0001.000000T0000Z-140413T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAUK WI-IOWA WI-COLUMBIA WI-
1203 AM CDT SUN APR 13 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR
SOUTHERN SAUK...NORTHWESTERN IOWA AND SOUTHWESTERN COLUMBIA
COUNTIES...

AT 1158 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED 
THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE WARNED AREA. 2.58 INCHES 
OF RAIN HAS BEEN MEASURED IN THE PAST 3 HOURS AT THE LONE ROCK 
AIRPORT.  HOWEVER...DOPPLER RADAR INDICATES THAT AMOUNTS OF 4 TO 5 
INCHES HAVE FALLEN JUST NORTH OF THE WISCONSIN RIVER IN SOUTHERN 
SAUK COUNTY. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PRAIRIE DU SAC...SAUK CITY...LAKE WISCONSIN...LODI...SPRING GREEN...
PLAIN...AVOCA...ORION...MERRIMAC...HARMONY GROVE...LELAND AND OKEE.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA.

THE HEAVIEST RAIN HAS FALLEN IN THE FOLLOWING STREAMS AND 
DRAINAGES...HONEY CREEK...BEAR CREEK...AND HONEY BEAR BASIN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4320 9043 4321 9029 4319 9028 4320 9026
      4317 9022 4317 9019 4332 9019 4344 8957
      4331 8952 4329 8960 4329 8971 4326 8973
      4309 9043

$$

CRAVEN
469 
WGUS73 KMKX 130630
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
130 AM CDT SUN APR 13 2014

WIC021-049-111-130715-
/O.CON.KMKX.FF.W.0001.000000T0000Z-140413T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAUK WI-IOWA WI-COLUMBIA WI-
130 AM CDT SUN APR 13 2014

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR
SOUTHERN SAUK...NORTHWESTERN IOWA AND SOUTHWESTERN COLUMBIA
COUNTIES...

AT 126 AM CDT...ALTHOUGH HEAVY RAIN CONTINUES OVER THE WARNED 
AREA...THE HEAVIEST RAINS HAVE SHIFTED SOUTH AND EAST.  DOPPLER 
RADAR AND AUTOMATED RAIN GAUGES INDICATED THAT 3 TO 5 INCHES OF RAIN 
FELL ACROSS THE AREA...ESPECIALLY IN SOUTHERN SAUK INTO SOUTHWEST 
COLUMBIA COUNTIES.  
 
THE LONE ROCK AIRPORT HAS MEASURED 3.21 INCHES OF RAIN...AND RADAR 
ESTIMATES INDICATE ABOUT 5 INCHES OF RAIN FELL IN A BAND FROM JUST 
NORTH OF THE AIRPORT INTO THE PLAIN...PRAIRIE DU SAC...MERRIMAC... 
AND LODI AREAS. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PRAIRIE DU SAC...SAUK CITY...LAKE WISCONSIN...LODI...SPRING GREEN...
PLAIN...AVOCA...ORION...MERRIMAC...HARMONY GROVE...LELAND AND OKEE.

ADDITIONAL RAINFALL AMOUNTS OF ABOUT HALF AN INCH 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 9029 4319 9028 4320 9026
      4317 9022 4317 9019 4332 9019 4344 8957
      4331 8952 4329 8960 4329 8971 4326 8973
      4309 9043

$$

CRAVEN
002 
WGUS73 KMKX 130712
FFSMKX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
212 AM CDT SUN APR 13 2014

WIC021-049-111-130720-
/O.EXP.KMKX.FF.W.0001.000000T0000Z-140413T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAUK WI-IOWA WI-COLUMBIA WI-
212 AM CDT SUN APR 13 2014

...THE FLASH FLOOD WARNING FOR SOUTHERN SAUK...NORTHWESTERN IOWA AND
SOUTHWESTERN COLUMBIA COUNTIES WILL EXPIRE AT 215 AM CDT...

THE THUNDERSTORMS WITH THE HEAVY RAIN HAVE ENDED...AND FLOODING IS 
NO LONGER EXPECTED TO POSE A THREAT. HOWEVER...MODERATE RAIN WILL 
LINGER FOR ANOTHER HOUR OR TWO BEFORE DIMINISHING. 

BE ON THE LOOKOUT FOR STANDING WATER ON ROADS AND IN LOW LYING 
AREAS. 

LAT...LON 4320 9043 4321 9029 4319 9028 4320 9026
      4317 9022 4317 9019 4332 9019 4344 8957
      4331 8952 4329 8960 4329 8971 4326 8973
      4309 9043

$$

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 7:15 PM CDTSpecial Weather StatementMKXSheboygan45 min
Apr 12, 7:33 PM CDTSpecial Weather StatementMKXMilwaukee, Waukesha42 min
Apr 12, 7:42 PM CDTSpecial Marine WarningMKX93 min
Apr 12, 7:42 PM CDTSpecial Weather StatementMKXSheboygan18 min
Apr 12, 7:55 PM CDTSevere Thunderstorm WarningMKXMilwaukee35 min
Apr 12, 8:03 PM CDTSpecial Weather StatementMKXWaukesha27 min
Apr 12, 8:26 PM CDTAreal Flood AdvisoryMKXMilwaukee, Waukesha3 hr
Apr 12, 8:33 PM CDTSpecial Weather StatementMKXSauk42 min
Apr 12, 8:34 PM CDTSpecial Weather StatementMKXWaukesha41 min
Apr 12, 9:15 PM CDTSpecial Weather StatementMKXColumbia30 min
Apr 12, 9:35 PM CDTSevere Thunderstorm WarningMKXOzaukee, Washington40 min
Apr 12, 9:49 PM CDTSevere Thunderstorm WarningMKXColumbia, Dane, Sauk41 min
Apr 12, 9:54 PM CDTSpecial Weather StatementMKXDodge, Green Lake51 min
Apr 12, 9:56 PM CDTSpecial Marine WarningMKX94 min
Apr 12, 9:56 PM CDTSpecial Weather StatementMKXSheboygan19 min
Apr 12, 10:05 PM CDTSevere Thunderstorm WarningMKXOzaukee, Washington55 min
Apr 12, 10:11 PM CDTSpecial Weather StatementMKXSauk64 min
Apr 12, 10:22 PM CDTSevere Thunderstorm WarningMKXSauk38 min
Apr 12, 10:29 PM CDTSevere Thunderstorm WarningMKXColumbia46 min
Apr 12, 10:32 PM CDTAreal Flood AdvisoryMKXColumbia, Dane, Iowa, Sauk3 hr
Apr 12, 10:37 PM CDTAreal Flood AdvisoryMKXOzaukee, Washington3 hr
Apr 12, 10:41 PM CDTSpecial Weather StatementMKXSheboygan34 min
Apr 12, 11:00 PM CDTSpecial Weather StatementMKXSauk30 min
Apr 12, 11:17 PM CDTAreal Flood AdvisoryMKXDodge3 hr
Apr 12, 11:20 PM CDTSpecial Weather StatementMKXOzaukee25 min
Apr 12, 11:28 PM CDTSpecial Marine WarningMKX92 min
Apr 12, 11:52 PM CDTSpecial Weather StatementMKXDodge38 min
Apr 13, 12:02 AM CDTSevere Thunderstorm WarningMKXColumbia, Dane, Dodge43 min
Apr 13, 12:21 AM CDTSpecial Weather StatementMKXIowa, Lafayette39 min
Apr 13, 1:03 AM CDTSpecial Weather StatementMKXWashington42 min
Apr 13, 1:19 AM CDTSpecial Weather StatementMKXDodge26 min
Apr 13, 1:29 AM CDTSpecial Weather StatementMKXDodge31 min
Apr 13, 1:34 AM CDTSpecial Weather StatementMKXWashington26 min
Apr 13, 2:03 AM CDTSpecial Weather StatementMKXOzaukee27 min
Apr 13, 2:20 AM CDTSpecial Weather StatementMKXKenosha, Walworth55 min
Apr 13, 2:47 AM CDTSpecial Weather StatementMKXKenosha, Milwaukee, Racine, Walworth43 min
Apr 13, 2:51 AM CDTSpecial Marine WarningMKX84 min
Apr 13, 3:09 AM CDTSmall Craft AdvisoryMKX25 hr
Apr 13, 3:25 AM CDTFlood WatchMKXColumbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more24 hr
Apr 13, 3:30 AM CDTSpecial Weather StatementMKXKenosha, Milwaukee, Racine15 min
Apr 13, 10:55 AM CDTRiver Flood WarningMKXKenosha6 days
Apr 13, 10:55 AM CDTRiver Flood WarningMKXOzaukee5 days
Apr 13, 10:55 AM CDTRiver Flood WarningMKXMilwaukee56 hr
Apr 13, 10:55 AM CDTRiver Flood WarningMKXRacine3 days
Apr 13, 10:55 AM CDTRiver Flood WarningMKXSheboygan67 hr
Apr 13, 12:17 PM CDTMarine Dense Fog AdvisoryMKX8 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.