Alert archive / Wisconsin / Flash Flood Warnings in 2000

Flash Flood Warning 31, NWS Milwaukee, WI

September 2, 2000Fond du Lac County, Sheboygan County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Sep 2, 2000, 4:28 AM CDT for Fond du Lac County, Sheboygan County, 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Sep 2, 2000, 4:28 AM CDT (09:28 UTC)
Expired
Sep 2, 2000, 7:00 AM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Fond du Lac County, WI, Sheboygan County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 9.5 hours before the alert went out and 78 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°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 KMKX 020930
FFWMKX
WIC039-117-021200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE-SULLIVAN WI
428 AM CDT SAT SEP 2 2000

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN SHEBOYGAN COUNTY IN EAST CENTRAL WISCONSIN
  NORTHERN FOND DU LAC COUNTY IN EAST CENTRAL WISCONSIN

* UNTIL 700 AM CDT

* AT 426 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE OCCURRING
  OVER THE AREA.

* WEATHER SERVICE DOPPLER RADAR ESTIMATES ARE THAT 2 TO 4 INCHES OF
  RAIN FELL OVERNIGHT. LOCALLY HIGHER AMOUNTS NEAR 5 INCHES FELL
  IN NORTHEAST SHEBOYGAN COUNTY. THIS RAIN...AND THE ADDITIONAL
  EXPECTED...WILL CAUSE LOCAL STREAMS AND RIVERS TO RISE RAPIDLY.

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. KEEP CHILDREN FROM PLAYING IN
FLOODED CULVERTS. THE RAPIDLY FLOWING WmATER CAN QUICKLY CARRY THEM
AWAY.

LAT...LON 4391 8886 4369 8886 4367 8775 4389 8776

DAVIS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 3:46 AM CDTSevere Thunderstorm WarningMKXGreen Lake, Marquette59 min

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.