Alert archive / Wisconsin / Flash Flood Warnings in 2002

Flash Flood Warning 6, NWS Green Bay, WI

June 21, 2002Waushara County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jun 21, 2002, 11:13 PM CDT for Waushara County, 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 counties it named.

The facts

Issued
Jun 21, 2002, 11:13 PM CDT (04:13 UTC)
Expired
Jun 22, 2002, 3:15 AM CDT
In force
4 hr
Issued by
NWS Green Bay, WI
Area
Whole counties

County Waushara County, WI

The radar

The Green Bay radar (KGRB), 100 km from the middle of the area, began a volume at 04:17 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, 4.2 hours before the alert went out and 100 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 2002-06-22Temperature 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 2002-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 206 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
944 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
206 m²/s²
0-3 km storm-relative helicity
401 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 220413
FFWGRB
WIC137-220815-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
1109 PM CDT FRI JUN 21 2002

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

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

* UNTIL 315 AM CDT

* AT 1109 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED  
  THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS STRETCHED FROM NEAR 
  WISCONSIN RAPIDS TO SOUTHERN WAUSHARA COUNTY. THE STORMS WERE      
  MOVING SOUTHEAST AT 30 MPH...BUT ADDITIONAL STORMS CONTINUE TO 
  FORM UPSTREAM.

* SURFACE REPORTS INDICATED THAT UP TO 3 INCHES OF RAIN HAD FALLEN IN
  THIS AREA. THE MOVEMENT OF THE STORMS WILL RESULT IN MORE RAIN
  FALLING OVER AREAS WHICH ALREADY RECEIVED HEAVY RAIN. ANOTHER 2 TO
  3 INCHES OF RAIN IS LIKELY IN THIS AREA. SOME LOCATIONS WHICH
  ARE LIKELY TO EXPERIENCE FLASH FLOODING INCLUDE...PLAINFIELD...
  HANCOCK...RICHFORD...AND WAUTOMA.

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.

RDM
2 follow-up statements
000 
RWUS32 KGRB 220522
FFSGRB
WIC137-220815-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1215 AM CDT SAT JUN 22 2002

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

AT 1215 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED 
THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS STRETCHED FROM 
WISCONSIN RAPIDS TO CENTRAL WAUSHARA COUNTY. THE STORMS WERE  MOVING 
SOUTHEAST AT 30 MPH...BUT MORE STORMS CONTINUE TO FORM UPSTREAM. A 
FLASH FLOOD WARNING IS IN EFFECT.

RADAR ESTIMATES INDICATED THAT UP TO 5 INCHES OF RAIN HAD FALLEN IN
THIS AREA. THE MOVEMENT OF THE STORMS WILL RESULT IN MORE RAIN
FALLING OVER AREAS WHICH ALREADY RECEIVED HEAVY RAIN. ANOTHER 2 TO 3
INCHES OF RAIN IS LIKELY IN THIS AREA. SOME LOCATIONS WHICH ARE AT 
HIGH RISK OF FLASH FLOODING INCLUDE...
PLAINFIELD...HANCOCK...RICHFORD AND WAUTOMA.

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.

$$

RDM
000 
RWUS32 KGRB 220614
FFSGRB
WIC137-220815-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
115 AM CDT SAT JUN 22 2002

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

AT 112 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED 
THUNDERSTORMS WITH TORRENTIAL RAIN OVER MUCH OF THE SOUTHERN HALF OF 
THE COUNTY. THE STORMS WERE MOVING SOUTHEAST AT 20 MPH. THE STORMS WILL 
CONTINUE TO PRODUCE HEAVY RAIN. A FLASH FLOOD WARNING IS IN EFFECT.

RADAR ESTIMATES INDICATED THAT UP TO 6 INCHES OF RAIN HAD FALLEN IN
THIS AREA. THE MOVEMENT OF THE STORMS WILL RESULT IN MORE RAIN
FALLING OVER AREAS WHICH ALREADY RECEIVED HEAVY RAIN. ANOTHER 2 TO 3
INCHES OF RAIN IS LIKELY IN THIS AREA. SOME LOCATIONS WHICH ARE AT 
HIGH RISK OF FLASH FLOODING INCLUDE...WILD ROSE...PLAINFIELD...
WAUTOMA...RICHFORD...COLOMA...AND HANCOCK. 

THE WAUSHARA COUNTY EMERGENCY MANAGER REPORTED FLOODING IN RICHFORD
AND WAUTOMA.  MANY ROADS WERE FLOODED...INCLUDING HIGHWAY 21 AND 
HIGHWAY F...WITH WATER AS MUCH AS 1 TO 2 FEET DEEP IN SPOTS. 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 12:58 AM CDTFlash Flood WarningGRBWood6 hr
Jun 22, 1:59 AM CDTFlash Flood WarningGRBWaushara5 hr
Jun 22, 4:17 AM CDTFlash Flood WarningGRBMarathon, Portage6 hr
Jun 22, 6:47 AM CDTFlash Flood WarningGRBWaushara, Wood3 hr

Nearby

Flash Flood Warnings in Wisconsin, 2002Every flash flood warning in 2002

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.