Alert archive / Wisconsin / Flash Flood Warnings in 2004

Flash Flood Warning 9, NWS Milwaukee, WI

May 23, 20047 counties in Wisconsin

NWS Milwaukee, WI issued this flash flood warning at May 23, 2004, 3:29 AM CDT for 7 counties in 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, 3:29 AM CDT (08:29 UTC)
Expired
May 23, 2004, 7:30 AM CDT
In force
4 hr
Issued by
NWS Milwaukee, WI
Area
Counties, with a storm outline in the text

Counties Columbia County, WI, Dane County, WI, Green County, WI, Iowa County, WI, Lafayette County, WI, Marquette County, WI, Sauk County, WI

The radar

The Milwaukee radar (KMKX), 81 km from the middle of the area, began a volume at 08:28 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, 8.5 hours before the alert went out and 175 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 230831
FFWMKX
WIC021-025-045-049-065-077-111-231230-

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

THE NATIONAL WEATHER SERVICE IN MILWAUKEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN
  DANE COUNTY IN SOUTH CENTRAL WISCONSIN
  GREEN COUNTY IN SOUTH CENTRAL WISCONSIN
  IOWA COUNTY IN SOUTH CENTRAL WISCONSIN
  LAFAYETTE COUNTY IN SOUTH CENTRAL WISCONSIN
  SOUTHERN MARQUETTE COUNTY IN SOUTH CENTRAL WISCONSIN   
  SAUK COUNTY IN SOUTH CENTRAL WISCONSIN
  
* UNTIL 730 AM CDT

* AT 323 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING WAS LIKELY FROM THUNDERSTORMS MOVING THROUGH MUCH
  OF SOUTH CENTRAL WISCONSIN.

THE AREA COVERED BY THE WARNING HAD ALREADY RECEIVED 3 TO 4 INCHES 
OF RAIN SINCE FRIDAY...WITH AN ADDITIONAL 1 TO 3 INCHES OF RAIN 
OCCURING OVERNIGHT. SOILS ARE SATURATED AND RUNOFF IS LIKELY TO 
CAUSE FLASH FLOODING.  

LAT...LON 4285 8936 4251 8937 4251 9036 4364 9008
          4364 8960 4377 8959 4386 8917 4364 8924
          4363 8901 4285 8901

$$

DAVIS
4 follow-up statements
000 
WGUS73 KMKX 230853
FFSMKX
WIC021-025-045-049-065-077-111-231230-

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

...A FLASH FLOOD WARNING FOR COLUMBIA...DANE...GREEN...     
IOWA...LAFAYETTE...MARQUETTE AND SAUK COUNTIES CONTINUES UNTIL 730 
AM CDT...
 
THUNDERSTORMS WITH HEAVY RAIN CONTINUE ACROSS A LARGE PART OF SOUTH 
CENTRAL WISCONSIN. DOPPLER RADAR RAINFALL ESTIMATES INDICATE UP TO 3 
INCHES OF RAIN HAS FALLEN IN PARTS OF LAFAYETTE COUNTY WITH LESS 
THAN AN INCH SO FAR IN MARQUETTE...COLUMBIA AND SAUK COUNTIES.  A 
LARGE AREA OF MODERATE TO HEAVY RAIN WILL OVERSPREAD THE AREA 
BETWEEN 4 AND 5 AM DROPPING ANOTHER INCH OR SO OF RAIN TO MANY AREAS.

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

FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES IS 
LIKELY. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS 
OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO 
FLOODING.

$$

DAVIS
000 
WGUS73 KMKX 231002
FFSMKX
WIC021-025-045-049-065-077-111-231230-

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

...A FLASH FLOOD WARNING FOR COLUMBIA...DANE...GREEN...     
IOWA...LAFAYETTE...MARQUETTE AND SAUK COUNTIES CONTINUES UNTIL 730 
AM CDT...
 
THUNDERSTORMS WITH HEAVY RAIN CONTINUE ACROSS A LARGE PART OF SOUTH 
CENTRAL WISCONSIN. DOPPLER RADAR RAINFALL ESTIMATES INDICATE A 
WIDESPREAD 1 TO 3 INCHES OF RAIN HAS FALLEN ACROSS THE AREA AND 
MODERATE RAIN WILL CONTINUE THROUGH ABOUT 7 AM.  

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

FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES IS 
LIKELY. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS 
OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO 
FLOODING.

$$

DAVIS
000 
WGUS73 KMKX 231115
FFSMKX
WIC021-025-045-049-065-077-111-231230-

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

...A FLASH FLOOD WARNING FOR COLUMBIA...DANE...GREEN...     
IOWA...LAFAYETTE...MARQUETTE AND SAUK COUNTIES CONTINUES UNTIL 730 
AM CDT...
 
MOST OF THE THUNDERSTORMS WITH HEAVY RAIN HAVE EXITED SOUTH CENTRAL 
WISCONSIN.  DOPPLER RADAR RAINFALL ESTIMATES INDICATE A WIDESPREAD 1 
TO 3 INCHES OF RAIN HAS FALLEN ACROSS THE AREA OVERNIGHT...AND HIGH 
WATER WILL CONTINUE OVER MANY AREAS.   

FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES IS 
LIKELY. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS 
OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO 
FLOODING.

$$

HENTZ
000 
WGUS73 KMKX 231210
FFSMKX
WIC021-025-045-049-065-077-111-231230-

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

...THE FLASH FLOOD WARNING FOR COLUMBIA...DANE...GREEN...     
IOWA...LAFAYETTE...MARQUETTE AND SAUK COUNTIES CONTINUES UNTIL
730 AM CDT...
 
AT 705 AM THE THUNDERSTORMS WITH HEAVY RAIN HAVE EXITED SOUTH 
CENTRAL WISCONSIN.  DOPPLER RADAR RAINFALL ESTIMATES INDICATE A 
WIDESPREAD 1 TO 3 INCHES OF RAIN FELL ACROSS THE AREA 
OVERNIGHT...AND HIGH WATER WILL CONTINUE OVER MANY AREAS.   

FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES IS 
LIKELY. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS 
OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO 
FLOODING.

$$

HENTZ

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, 1:19 AM CDTFlash Flood WarningMKXDane, Iowa, Sauk4 hr
May 23, 2:55 AM CDTSevere Thunderstorm WarningMKXMilwaukee50 min
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.