Alert archive / Wisconsin / Flash Flood Warnings in 2004

Flash Flood Warning 8, NWS Milwaukee, WI

May 23, 2004Dane County, Iowa County, Sauk County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at May 23, 2004, 1:19 AM CDT for Dane County, Iowa County, Sauk County, Wisconsin. It was in force for 4 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
May 23, 2004, 1:19 AM CDT (06:19 UTC)
Expired
May 23, 2004, 5:15 AM CDT
In force
4 hr
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text

Counties Dane County, WI, Iowa County, WI, Sauk County, WI

The radar

The Milwaukee radar (KMKX), 101 km from the middle of the area, began a volume at 06:23 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, 6.3 hours before the alert went out and 200 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 2004-05-23Temperature 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 00:00Z on 2004-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939587897Sfc1 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
606 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
54 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 230621
FFWMKX
WIC025-049-111-231015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
119 AM CDT SUN MAY 23 2004

THE NATIONAL WEATHER SERVICE IN MILWAUKEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DANE COUNTY IN SOUTH CENTRAL WISCONSIN
  IOWA COUNTY IN SOUTH CENTRAL WISCONSIN
  SAUK COUNTY IN SOUTH CENTRAL WISCONSIN
  
* UNTIL 515 AM CDT

* AT 118 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING IS LIKELY FROM THUNDERSTORMS MOVING THROUGH THE
  AREA IN ADDITION TO MORE RAIN EXPECTED FROM STORMS ARRIVING FROM
  THE WEST.  THE STORMS WILL BE MOVING EAST NORTHEAST AT 35 MPH. 

LAT...LON 4288 9042 4287 8952 4286 8905 4321 8901
          4322 8987 4354 8962 4364 9022

$$

DAVIS
2 follow-up statements
000 
WGUS73 KMKX 230642
FFSMKX
WIC025-049-111-231015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
119 AM CDT SUN MAY 23 2004

...FLASH FLOOD WARNING FOR DANE...IOWA AND SAUK COUNTIES CONTINUES 
UNTIL 515 AM CDT...

DOPPLER RADAR RAINFALL ESTIMATES INDICATE AROUND 1 TO 1 1/2 INCHES 
OF RAIN HAS FALLEN ACROSS SOUTHERN IOWA AND DANE COUNTIES WITH LESS 
RAINFALL SEEN SO FAR ACROSS SAUK COUNTY. STRONG THUNDERSTORMS 
ARRIVING FROM THE WEST WILL BEGIN TO SOAK IOWA AND SAUK COUNTIES 
HEADING INTO DANE WITH TIME. 

SATURATED SOILS FROM DAYS AND DAYS OF RAIN WILL CAUSE THE RAINFALL 
TO GO IMMEDIATELY TO RUNOFF CREATING A FLASH FLOODING SITUATION. 

EXCESSIVE RUNOFF FROM THE HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

$$

DAVIS
000 
WGUS73 KMKX 230758
FFSMKX
WIC025-049-111-231015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
300 AM CDT SUN MAY 23 2004

...FLASH FLOOD WARNING FOR DANE...IOWA AND SAUK COUNTIES CONTINUES 
UNTIL 515 AM CDT...

THUNDERSTORMS WITH HEAVY RAIN CONTINUE ACROSS IOWA...SAUK AND DANE 
COUNTIES EARLY THIS MORNING. DOPPLER RADAR RAINFALL ESTIMATES 
INDICAT UP TO 1 1/2 INCHES OF RAIN HAS FALLEN ACROSS PARTS OF DANE 
AND IOWA COUNTY. A LARGE AREA OF MODERATE TO HEAVY RAIN WAS MOVING 
IN FROM THE WEST AND MAY ADD AN ADDITIONAL INCH OR SO OF RAIN IN 
SOME AREAS. 

SATURATED SOILS FROM DAYS AND DAYS OF RAIN WILL CAUSE THE RAINFALL 
TO GO IMMEDIATELY TO RUNOFF CREATING A FLASH FLOODING SITUATION. 

EXCESSIVE RUNOFF FROM THE HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

$$

DAVIS

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 11:46 PM CDTSevere Thunderstorm WarningMKXGreen, Lafayette59 min
May 23, 12:01 AM CDTFlash Flood WarningMKXGreen, Lafayette4 hr
May 23, 12:57 AM CDTSevere Thunderstorm WarningMKXDane, Green63 min
May 23, 2:55 AM CDTSevere Thunderstorm WarningMKXMilwaukee50 min
May 23, 3:29 AM CDTFlash Flood WarningMKXColumbia, Dane, Green, Iowa, Lafayette, Marquette and 1 more4 hr
May 23, 4:53 AM CDTSevere Thunderstorm WarningMKXGreen37 min
May 23, 5:09 AM CDTSevere Thunderstorm WarningMKXRock51 min
May 23, 6:09 PM CDTSevere Thunderstorm WarningMKXDane51 min
May 23, 6:57 PM CDTSevere Thunderstorm WarningMKXDane, Jefferson48 min

Nearby

Flash Flood Warnings in Wisconsin, 2004Every flash flood warning in 2004

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.