Alert archive / Wisconsin / Flash Flood Warnings in 2003

Flash Flood Warning 1, NWS Green Bay, WI

July 26, 2003Oneida County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jul 26, 2003, 6:09 AM CDT for Oneida County, Wisconsin. It was in force for 96 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 26, 2003, 6:09 AM CDT (11:09 UTC)
Expired
Jul 26, 2003, 7:45 AM CDT
In force
96 min
Issued by
NWS Green Bay, WI
Area
Counties, with a storm outline in the text

County Oneida County, WI

The radar

The Green Bay radar (KGRB), 172 km from the middle of the area, began a volume at 11:11 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, 11.2 hours before the alert went out and 174 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 2003-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 joules per kilogram.LCLLFCEL10008507005003002001001 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 2003-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.19395878Sfc1 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
48 J/kg
Mixed-layer CIN
-464 J/kg
Mixed-layer LCL
1415 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
248 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 261111
FFWGRB
WIC085-261245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
609 AM CDT SAT JUL 26 2003

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN ONEIDA COUNTY IN WISCONSIN

* UNTIL 745 AM CDT

* AT 609 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS WERE CENTERED
  NEAR RHINELANDER. THE STORMS WERE MOVING EAST AT 20 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. ANOTHER 1 TO 2 INCHES OF RAIN IS LIKELY IN
  THIS AREA. SOME LOCATIONS WHICH ARE AT HIGH RISK OF FLASH
  INCLUDE WOODBORO...RHINELANDER AND MONICO.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 4574 8988 4560 8988 4548 8907 4572 8909

$$

KIECKBUSCH
3 follow-up statements
000 
WGUS73 KGRB 261136
FFSGRB
WIC085-261245-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
636 AM CDT SAT JUL 26 2003

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN ONEIDA 
COUNTY...

AT 626 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED 
THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS EXTENDED FROM 
HEAFFORD JUNCTION TO RHINELANDER TO MONICO...AND WERE MOVING EAST AT 
20 MPH. THE STORMS WILL CONTINUE TO PRODUCE HEAVY RAIN. A FLASH 
FLOOD WARNING IS IN EFFECT FOR SOUTHERN ONEIDA COUNTY UNTIL 745 AM CDT.

RADAR ESTIMATES INDICATED THAT 3 TO 4 INCHES OF RAIN HAD FALLEN WEST 
OF RHINELANDER. THE RHINELANDER WEATHER OBSERVING STATION REPORTED 
2.82 INCHES SINCE 500 AM CDT. THUNDERSTORMS WILL CONTINUE TO AFFECT 
SOUTH CENTRAL AND SOUTHEAST ONEIDA COUNTY...PERHAPS BRINGING AN 
ADDITIONAL 1 TO 2 INCHES OF RAIN. SOME LOCATIONS WHICH ARE AT HIGH 
RISK OF FLASH FLOODING INCLUDE...RHINELANDER...MONICO AND PELICAN 
LAKE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND.

IN ADDITION TO THE TORRENTIAL RAINFALL...THESE THUNDERSTORMS WILL 
ALSO PRODUCE HAIL UP TO ONE HALF INCH IN DIAMETER AND WIND GUSTS TO 
40 MPH. 

$$

KIECKBUSCH
000 
WGUS73 KGRB 261229
FFSGRB
WIC085-261245-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
723 AM CDT SAT JUL 26 2003

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

AT 723 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED 
THUNDERSTORMS WITH TORRENTIAL RAIN OVER FAR SOUTHERN ONEIDA COUNTY.  
THE STORMS WERE NEAR LENNOX...OR 7 MILES SOUTHWEST OF CRANDON AND 
MOVING SOUTHEAST AT 20 MPH.  A FLASH FLOOD WARNING IS IN EFFECT FOR 
ONEIDA COUNTY UNTIL 745 AM.

RADAR ESTIMATES INDICATED THAT UP TO 4 INCHES OF RAIN HAD FALLEN 
OVER SOUTHERN ONEIDA COUNTY.  DO NOT DRIVE OVER WATER COVERED ROADS.
BE AWARE THAT SOME EROSION MAY HAVE OCCURRED ON AREA SECONDARY ROADS

$$

HELMAN
000 
WGUS73 KGRB 261251
FFSGRB
WIC085-261315-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
747 AM CDT SAT JUL 26 2003

...FLASH FLOOD WARNING FOR ONEIDA COUNTY NO LONGER IN EFFECT...

AT 747 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED 
THUNDERSTORMS OVER FAR SOUTEAST ONEIDA COUNTY AND MOVING SOUTHEAST 
AT 20 MPH.  THE STORMS WHICH PRODUCED THE HEAVIER RAINFALL HAVE 
MOVED SOUTH OF THE AREA.  THE FLASH FLOOD WARNING WHICH HAD BEEN IN 
EFFECT FOR ONEIDA COUNTY HAS EXPIRED AND IS NO LONGER IN EFFECT.

RADAR ESTIMATES INDICATED THAT 2 TO 4 INCHES OF RAIN WITH ISOLATED 
AMOUNTS UP TO 5 INCHES HAD FALLEN IN THIS AREA.  

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY.  BE AWARE OF THE POSSIBILITY OF MINOR WASHOUTS ON AREA 
SECONDARY ROADS. 

$$

HELMAN

Nearby

Flash Flood Warnings in Wisconsin, 2003Every flash flood warning in 2003

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.