Alert archive / Wisconsin / Flash Flood Warnings in 2004

Flash Flood Warning 7, NWS Milwaukee, WI

May 23, 2004Green County, Lafayette County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at May 23, 2004, 12:01 AM CDT for Green County, Lafayette County, Wisconsin. It was in force for 4 hr. 8 reports 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: May 23, 2004, 12:01 AM CDT (05:01 UTC)
Expired: May 23, 2004, 4:00 AM CDT
In force: 4 hr
Issued by: NWS Milwaukee, WI
Area: Counties, with a storm outline in the text

Counties Green County, WI, Lafayette County, WI

What was reported inside it

Time	Report	Where	Remark
May 23, 1:00 AM CDT	FLASH FLOOD	Darlington, WI	CORN STALKS AND MUD WASHING OUT OVER ROADS IN MAY PARTS OF THE COUNTY
May 23, 1:00 AM CDT	FLASH FLOOD	Darlington, WI	CORN STALKS AND MUD WASHING OUT OVER ROADS IN MAY PARTS OF THE COUNTY
May 23, 2:00 AM CDT	FLASH FLOOD	1 N Monticello, WI	WATER RUSHING THROUGH HOMEOWNERS YARD TOWARD THE SUGAR RIVER
May 23, 2:00 AM CDT	FLASH FLOOD	1 N Monticello, WI	WATER RUSHING THROUGH HOMEOWNERS YARD TOWARD THE SUGAR RIVER
May 23, 2:00 AM CDT	FLASH FLOOD	3 N New Glarus, WI	HIGWAY 0 EMBARKMENTS COLLAPSING
May 23, 2:00 AM CDT	FLASH FLOOD	Monticello, WI	COUNTY EE IS CLOSED DUE TO HIGH WATER
May 23, 2:00 AM CDT	FLASH FLOOD	Monticello, WI	WATER COMING INTO BASEMENT IN A HOME
May 23, 2:00 AM CDT	FLASH FLOOD	Monticello, WI	WATER COMING INTO BASEMENT IN A HOME

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 5.0 hours before the alert went out and 257 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 230504
FFWMKX
WIC045-065-230900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1201 AM CDT SUN MAY 23 2004

THE NATIONAL WEATHER SERVICE IN MILWAUKEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GREEN COUNTY IN SOUTH CENTRAL WISCONSIN
  LAFAYETTE COUNTY IN SOUTH CENTRAL WISCONSIN
  
* UNTIL 400 AM CDT

* AT 1158 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED FLASH FLOODING FROM THUNDERSTORMS 14 MILES SOUTH OF
  ARGYLE...OR   ABOUT 10 MILES NORTHWEST OF LENA...MOVING NORTHEAST
  AT 30 MPH.

RAINFALL FROM THESE STORMS MAY APPROACH 2 INCHES AND THIS COUPLED 
WITH PREVIOUS HEAVY RAINS WILL LIKELY CAUSE FLASH FLOODING.

LAT...LON 4255 9036 4239 8993 4256 8945 4283 8960
          4281 9014

$$

DAVIS

2 follow-up statements

000 
WGUS73 KMKX 230538
FFSMKX
WIC045-065-230900-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1235 AM CDT SUN MAY 23 2004

...FLASH FLOOD WARNING FOR LAFAYETTE AND GREEN COUNTIES CONTINUES 
UNTIL 4 AM CDT...

DOPPLER RADAR RAINFALL ESTIMATES INDICATE BETWEEN 1 1/2 AND 2 1/2 
INCHES OF RAIN HAS FALLEN ACROSS WESTERN LAFAYETTE COUNTY...FROM 
JUST SOUTHEAST OF BELMONT TO JUST WEST OF LEAD MINE.  ANOTHER AREA 
OF HEAVY RAIN FELL FROM NEAR JORDON CENTER IN WESTERN GREEN COUNTY 
TO SOUTH WAYNE AND GRATIOT IN EASTERN LAFAYETTE COUTY. 

THUNDERSTORMS WITH HEAVY RAIN WILL CONTINUE TO ROLL ACROSS THIS AREA
OVERNIGHT MAKING THE FLASH FLOOD THREAT IMMINENT. 

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 230710
FFSMKX
WIC045-065-230900-

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

...FLASH FLOOD WARNING FOR LAFAYETTE AND GREEN COUNTIES CONTINUES 
UNTIL 4 AM CDT...

DOPPLER RADAR RAINFALL ESTIMATES INDICATE BETWEEN 1 1/2 TO NEARLY 3 
INCHES OF RAIN HAS FALLEN ACROSS PARTS OF LAFAYETTE AND GREEN 
COUNTIES. THE HEAVIEST RAIN FELL FROM JUST EAST OF BELMONT TO WEST 
OF LEAD MINE IN WESTERN LAFAYETTE COUNTY. THE OTHER AREA RAN FROM 
NEAR NEW GLARUS IN NORTHERN GREEN COUNTY TO SOUTH WAYNE IN SOUTHEAST 
LAFAYETTE COUNTY. 

THUNDERSTORMS WITH HEAVY RAIN WILL CONTINUE TO ROLL ACROSS THIS AREA
OVERNIGHT MAKING THE FLASH FLOOD THREAT REAL. 

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.

Issued	Product	Office	Counties	Lasted
May 22, 11:46 PM CDT	Severe Thunderstorm Warning	MKX	Green, Lafayette	59 min
May 23, 12:57 AM CDT	Severe Thunderstorm Warning	MKX	Dane, Green	63 min
May 23, 1:19 AM CDT	Flash Flood Warning	MKX	Dane, Iowa, Sauk	4 hr
May 23, 2:55 AM CDT	Severe Thunderstorm Warning	MKX	Milwaukee	50 min
May 23, 3:29 AM CDT	Flash Flood Warning	MKX	Columbia, Dane, Green, Iowa, Lafayette, Marquette and 1 more	4 hr
May 23, 4:53 AM CDT	Severe Thunderstorm Warning	MKX	Green	37 min
May 23, 5:09 AM CDT	Severe Thunderstorm Warning	MKX	Rock	51 min
May 23, 6:09 PM CDT	Severe Thunderstorm Warning	MKX	Dane	51 min
May 23, 6:57 PM CDT	Severe Thunderstorm Warning	MKX	Dane, Jefferson	48 min

Nearby

Flash Flood Warnings in Wisconsin, 2004 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.