Alert archive / Wisconsin / Flash Flood Warnings in 2003

Flash Flood Warning 1, NWS Milwaukee, WI

August 3, 2003Kenosha County, Racine County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Aug 3, 2003, 2:57 PM CDT for Kenosha County, Racine 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
Aug 3, 2003, 2:57 PM CDT (19:57 UTC)
Expired
Aug 3, 2003, 6:00 PM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text

Counties Kenosha County, WI, Racine County, WI

The radar

The Milwaukee radar (KMKX), 47 km from the middle of the area, began a volume at 19:57 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 12:00Z, 8.0 hours before the alert went out and 198 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 2003-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 209 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, Green Bay/Straub, WI at 12:00Z on 2003-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
209 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
29 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.

000 
WGUS53 KMKX 032000
FFWMKX
WIC059-101-032300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
257 PM CDT SUN AUG 3 2003

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KENOSHA COUNTY IN SOUTHEAST WISCONSIN
  RACINE COUNTY IN SOUTHEAST WISCONSIN
  THIS INCLUDES THE CITIES OF...WIND LAKE...WATERFORD...UNION
  GROVE...STURTEVANT

* UNTIL 600 PM CDT

* AT 257 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN WAS OCCURRING OVER MUCH OF THE WARNING AREA.

* WEATHER SERVICE DOPPLER RADAR ESTIMATES ARE THAT 2 TO 3 INCHES 
  OF RAINFALL FELL DURING THE PAST 2 HOURS. THIS RAIN...AND THE
  ADDITIONAL EXPECTED...WILL CAUSE LOCAL STREAMS AND RIVERS TO 
  RISE RAPIDLY AND OVERFLOW THEIR BANKS.

THE THUNDERSTORMS ARE STATIONARY OR MOVING VERY SLOWLY TO THE WEST. 
AN ADDITIONAL 1 TO 2 INCHES OF RAIN ARE POSSIBLE IN THE WARNED AREA 
BEFORE 500 PM CDT. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND QUICKLY. DO NOT
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY
FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT
IMMEDIATELY AND SEEK HIGHER GROUND. KEEP CHILDREN FROM PLAYING IN
FLOODED CULVERTS. THE RAPIDLY FLOWING WATER CAN QUICKLY CARRY THEM
AWAY.

LAT...LON 4261 8824 4260 8789 4282 8790 4285 8824

$$

DAVIS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 8:31 PM CDTSevere Thunderstorm WarningMKXColumbia59 min
Aug 2, 9:08 PM CDTSevere Thunderstorm WarningMKXDodge67 min
Aug 3, 2:13 PM CDTSevere Thunderstorm WarningMKXWashington32 min
Aug 3, 3:05 PM CDTSevere Thunderstorm WarningMKXDane25 min
Aug 3, 3:15 PM CDTSevere Thunderstorm WarningMKXColumbia30 min
Aug 3, 3:23 PM CDTSevere Thunderstorm WarningMKXWashington37 min
Aug 3, 3:28 PM CDTSevere Thunderstorm WarningMKXDane47 min
Aug 3, 3:44 PM CDTSevere Thunderstorm WarningMKXJefferson61 min
Aug 3, 3:55 PM CDTFlash Flood WarningMKXJefferson, Waukesha4 hr
Aug 3, 4:45 PM CDTSevere Thunderstorm WarningMKXRock45 min

Nearby

Flash Flood Warnings in Wisconsin, 2003Every flash flood warning in 2003

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.