Alert archive / Wisconsin / Flash Flood Warnings in 2004

Flash Flood Warning 4, NWS Green Bay, WI

June 16, 2004Portage County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jun 16, 2004, 6:51 PM CDT for Portage 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 16, 2004, 6:51 PM CDT (23:51 UTC)
Expired
Jun 17, 2004, 12:45 AM CDT
In force
6 hr
Issued by
NWS Green Bay, WI
Area
Counties, with a storm outline in the text

County Portage County, WI

The radar

The Green Bay radar (KGRB), 113 km from the middle of the area, began a volume at 23:55 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, 11.9 hours before the alert went out and 114 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 2004-06-16Temperature 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 2004-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.193958Sfc1 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
1732 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
127 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 162352
FFWGRB
WIC097-170545-


BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
651 PM CDT WED JUN 16 2004

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PORTAGE COUNTY IN WISCONSIN

* UNTIL 1245 AM CDT

* AT 651 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS WERE CENTERED       
  NEAR STEVENS POINT. THE STORMS WERE MOVING NORTHEAST AT 10 MPH.

RADAR ESTIMATES INDICATED THAT UP TO 3 INCHES OF RAIN HAD FALLEN IN 
THIS AREA. NEW THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE OVER 
THE SAME GENERAL AREA. ADDITIONAL HEAVY RAIN IS LIKELY. SOME 
LOCATIONS WHICH ARE AT HIGH RISK OF FLASH FLOODING INCLUDE...STEVENS 
POINT...NELSONVILLE...PERU...AMHERST...AMHERST JUNCTION AND ARNOTT.

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.

LAT...LON 4463 8974 4427 8969 4427 8927 4467 8922

$$

ECKBERG
4 follow-up statements
000 
WGUS73 KGRB 170046
FFSGRB
WIC097-141-170545-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
742 PM CDT WED JUN 16 2004

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WOOD AND PORTAGE
COUNTIES...

AT 742 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED 
THUNDERSTORMS WITH TORRENTIAL RAIN ACROSS MUCH OF WOOD AND PORTAGE
COUNTIES. THE STORMS WERE MOVING NORTHEAST AT 15 MPH. THE STORMS 
WILL CONTINUE TO PRODUCE HEAVY RAIN. A FLASH FLOOD WARNING IS IN 
EFFECT FOR WOOD AND PORTAGE COUNTIES UNTIL 1245 AM.

RADAR ESTIMATES INDICATED THAT UP TO 3 INCHES OF RAIN HAD FALLEN IN
THIS AREA. NEW THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE OVER
THE SAME GENERAL AREA. ANOTHER INCH OF RAIN IS LIKELY IN THIS AREA.
SOME LOCATIONS WHICH ARE AT HIGH RISK OF FLASH FLOODING INCLUDE...
STEVENS POINT...NELSONVILLE...AMHERST...AMHERST JUNCTION... 
BABCOCK...AND CUSTER. STREET FLOODING WAS REPORTING IN STEVENS POINT
AROUND 7 PM. 

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 170211
FFSGRB
WIC097-141-170545-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
901 PM CDT WED JUN 16 2004

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WOOD AND PORTAGE
COUNTIES...

AT 901 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
SHOWERS AND THUNDERSTORMS ACROSS MUCH OF CENTRAL WISCONSIN. THE
AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE NORTHEAST AT
15 MPH AND WILL CONTINUE TO PRODUCE HEAVY RAINS AT TIMES FOR THE
REMAINDER OF THE EVENING. A FLASH FLOOD WARNING REMAINS IN EFFECT
UNTIL 1245 AM THURSDAY MORNING FOR WOOD AND PORTAGE COUNTIES.

IN PORTAGE COUNTY...DOPPLER RADAR ESTIMATED THAT 2 TO 4 INCHES OF
RAIN HAD FALLEN FROM STEVENS POINT AND WHITING...EAST TO STOCKTON 
AND NELSONVILLE. THERE WERE NUMEROUS REPORTS OF STREET FLOODING IN 
THE CITY OF STEVENS POINT.  

IN WOOD COUNTY...RADAR ESTIMATED THAT 2 TO 4 INCHES OF RAIN HAD 
FALLEN ACROSS SOUTHERN PORTION OF THE COUNTY...SOUTH OF A PORT
EDWARDS TO PITTSVILLE LINE. THE WOOD COUNTY SHERIFF DEPARTMENT 
REPORTED NO FLOODING PROBLEMS AT THIS TIME. 

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 170331
FFSGRB
WIC097-141-170545-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1030 PM CDT WED JUN 16 2004

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WOOD AND PORTAGE
COUNTIES...

AT 1030 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED 
SHOWERS AND THUNDERSTORMS ACROSS CENTRAL WISCONSIN. A FLASH FLOOD 
WARNING REMAINS IN EFFECT FOR WOOD AND PORTAGE COUNTIES UNTIL 1245 
AM.  

EVEN THE STORMS HAVE BEEN WEAKENING OVER THE PAST HOUR AND WILL 
CONTINUE TO WEAKEN THROUGH MIDNIGHT. RADAR ESTIMATES INDICATED THAT 
UP TO 5 INCHES OF RAIN HAD FALLEN IN SOME LOCATIONS ACROSS CENTRAL 
WISCONSIN...WITH MOST RAINFALL AMOUNTS BETWEEN 2 AND 4 INCHES ACROSS 
SOUTHERN WOOD AND MUCH OF PORTAGE COUNTY. A RAINFALL REPORT OF 4.60 
INCHES WAS RECORDED NEAR STEVENS POINT. SEVERAL HOMES IN STEVENS 
POINT REPORTED FLOODED BASEMENTS EARLIER THIS EVENING...WITH MANY 
STREETS BEING CLOSED DUE TO HIGH WATER. 

EVEN THOUGH THE RAIN IS TAPERING OFF...RUNOFF FROM THE HEAVY RAIN
WILL CONTINUE THROUGH MIDNIGHT. 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 170426
FFSGRB
WIC097-141-170445-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1125 PM CDT WED JUN 16 2004

...FLASH FLOOD WARNING FOR WOOD AND PORTAGE COUNTIES CANCELED...

AT 1125 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THE STRONGER THUNDERSTORMS HAVE MOVED INTO EAST CENTRAL WISCONSIN.
SCATTERED RAIN SHOWERS ARE STILL POSSIBLE THROUGH 1 AM...BUT THE 
POTENTIAL FOR HEAVY RAIN HAS ENDED. THE FLASH FLOOD WARNING WHICH 
HAD BEEN IN EFFECT FOR WOOD AND PORTAGE COUNTIES HAS BEEN CANCELED.

RAINFALL AMOUNTS VARIED GREATLY ACROSS WOOD AND PORTAGE COUNTIES.
IN PORTAGE COUNTY...THE HEAVIEST RAINS FELL FROM STEVENS POINT
EAST TO NELSONVILLE. THE STEVENS POINT POLICE DEPARTMENT INDICATED 
THAT THE FLOOD WATERS WERE SUBSIDING IN THE CITY. 

IN WOOD COUNTY...THE HEAVIEST RAINS FELL SOUTH OF A PORT EDWARDS
TO DEXTERVILLE LINE. 

$$

ECKBERG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 6:44 PM CDTFlash Flood WarningGRBWood6 hr

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.