Alert archive / Wisconsin / Flash Flood Warnings in 2004

Flash Flood Warning 2, NWS Green Bay, WI

June 15, 2004Winnebago County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jun 15, 2004, 4:43 PM CDT for Winnebago County, Wisconsin. It was in force for 6 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
Jun 15, 2004, 4:43 PM CDT (21:43 UTC)
Expired
Jun 15, 2004, 10:30 PM CDT
In force
6 hr
Issued by
NWS Green Bay, WI
Area
Counties, with a storm outline in the text

County Winnebago County, WI

The radar

The Green Bay radar (KGRB), 80 km from the middle of the area, began a volume at 21:48 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, 9.7 hours before the alert went out and 79 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 2004-06-15Temperature 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 12:00Z on 2004-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939587897117Sfc1 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
956 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
71 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 KGRB 152145
FFWGRB
WIC139-160330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
443 PM CDT TUE JUN 15 2004

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* FLASH FLOOD WARNING FOR A POSSIBLE DAM FAILURE FOR...
  WINNEBAGO COUNTY IN WISCONSIN

* UNTIL 1030 PM CDT

* THERE HAVE BEEN TWO PUBLIC REPORTS OF A PARTIAL DAM FAILURE OF THE
  EUREKA DAM ON THE FOX RIVER. THE DAM IS IN EUREKA...WHICH IS 14 
  MILES WEST OF OSHKOSH.

* SOME LOCATIONS WHICH ARE AT RISK OF FLOODING INCLUDE EUREKA AND
  OMRO. LOW-LYING AREAS ADJACENT TO THE RIVER ARE ESPECIALLY 
  VULNERABLE TO FLOODING.

PEOPLE IMMEDIATELY DOWNSTREAM FROM THE DAM SHOULD TAKE ACTION NOW 
MONITOR LOCAL RADIO OR TELEVISION FOR POSSIBLE EVACUATION 
INSTRUCTIONS. BE PREPARED TO ACT QUICKLY IF AN EVACUATION ORDER IS 
ISSUED OR FLOODING IS OBSERVED.

LAT...LON 4394 8899 4389 8885 4404 8855 4414 8871

$$

MG
2 follow-up statements
000 
WGUS73 KGRB 152352
FFSGRB
WIC139-160330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
650 PM CDT TUE JUN 15 2004

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WINNEBAGO COUNTY...

EARLIER THIS AFTERNOON THERE WERE TWO PUBLIC REPORTS OF A 
PARTIAL DAM FAILURE OF THE EUREKA DAM ON THE FOX RIVER...
WHICH IS 14 MILES WEST OF OSHKOSH. 

AS OF 645 PM...THE WINNEBAGO COUNTY SHERIFFS DEPARTMENT COULD NOT 
CONFIRM THAT THE DAM BROKE OR WAS STILL INTACT DUE TO FLOODED 
ROADWAYS LEADING UP TO THE DAM.

BASED ON CURRENT INFORMATION FROM THE RIVER FORECAST CENTER...
IF THE DAM DID FAIL RIVER LEVELS WOULD RISE LESS THAN A FOOT.
THE ADDITIONAL RISE IN THE WATER LEVELS WILL CAUSE ADDITIONAL
FLOODING IN EUREKA AND OMRO.  

THE WINNEBAGO COUNTY EMERGENCY MANAGEMENT OFFICE REPORTED THAT
SEVERAL HOMES WERE EVACUATED IN EUREKA. IN OMRO...A CITY PARK
AND A PRIVATE BOAT HOUSE WERE UNDER WATER. THE ADDITIONAL RISE
IN THE WATER LEVELS WILL CAUSE THE RIVER TO APPROACH HOMES IN 
OMRO. ADDITIONAL RAINFALL OVER THE NEXT SEVERAL DAYS WILL CONTINUE
TO CAUSE FLOODING AT OMRO AND EUREKA. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

$$

ECKBERG
000 
WGUS73 KGRB 160125
FFSGRB
WIC139-160145-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
825 PM CDT TUE JUN 15 2004

...FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WINNEBAGO
COUNTY...

EARLIER REPORTS OF A PARTIAL DAM FAILURE OF THE EUREKA DAM ON 
THE FOX RIVER...WHICH IS 14 MILES WEST OF OSHKOSH HAS NOT 
OCCURRED. AN AREAL FLOOD WARNING REMAINS IN EFFECT FOR 
SOUTHWESTERN WINNEBAGO COUNTY NEAR THE FOX RIVER.   

THE WINNEBAGO COUNTY EMERGENCY MANAGEMENT OFFICE REPORTED THAT 
SEVERAL HOMES WERE EVACUATED IN EUREKA. IN OMRO...A CITY PARK 
AND A PRIVATE BOAT HOUSE WERE UNDER WATER. ANY ADDITIONAL RISE 
IN THE WATER LEVELS WILL CAUSE THE RIVER TO APPROACH HOMES IN 
OMRO. ADDITIONAL RAINFALL OVER THE NEXT SEVERAL DAYS WILL 
CONTINUE TO CAUSE FLOODING ALONG THE FOX RIVER. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE 
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS 
OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD 
WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER 
BEGINS RISING.

$$

ECKBERG

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.