Alert archive / Wisconsin / Flash Flood Warnings in 2000

Flash Flood Warning 8, NWS Green Bay, WI

September 2, 20004 counties in Wisconsin

NWS Green Bay, WI issued this flash flood warning at Sep 2, 2000, 4:20 AM CDT for 4 counties in Wisconsin. It was in force for 3 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
Sep 2, 2000, 4:20 AM CDT (09:20 UTC)
Expired
Sep 2, 2000, 7:00 AM CDT
In force
3 hr
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Calumet County, WI, Manitowoc County, WI, Waushara County, WI, Winnebago County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 9.3 hours before the alert went out and 52 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 2000-09-02Temperature 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°0°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 2000-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
582 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KGRB 020935 COR
FFWGRB
WIC015-071-137-139-021200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTION FOR EXPIRATION TIME...
NATIONAL WEATHER SERVICE GREEN BAY WI
430 AM CDT SAT SEP 2 2000

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN WAUSHARA COUNTY IN WISCONSIN
  SOUTHERN MANITOWOC COUNTY IN WISCONSIN
  SOUTHERN WINNEBAGO COUNTY IN WISCONSIN
  SOUTHERN CALUMET COUNTY IN WISCONSIN

* UNTIL 700 AM CDT

* AT 420 AM CDT NATIONAL WEATHER SERVICE RADAR DETECTED A LINE OF 
  THUNDERSTORMS WITH TORRENTIAL RAIN. THE STORMS EXTENDED FROM
  WAUTOMA TO OSHKOSH TO CHILTON TO SOUTHERN MANITOWOC COUNTY. 
  THE STORMS WERE MOVING EAST AT 20 MPH.

* RADAR ESTIMATES INDICATE THAT UP TO 5 INCHES OF RAIN HAS FALLEN 
  OVER WAUSHARA AND WINNEBAGO COUNTIES SO FAR.  THE MOVEMENT OF THE
  THUNDERSTORMS WILL RESULT IN MORE STORMS MOVING OVER SOUTHERN 
  PORTIONS OF WAUSHARA...WINNEBAGO...CALUMET AND MANITOWOC
  COUNTIES.  

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 UNK|NOWN DEPTH BY
FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT
IMMEDIATELY AND SEEK HIGHER GROUND.

TH

Nearby

Flash Flood Warnings in Wisconsin, 2000Every flash flood warning in 2000

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.