Alert archive / Wisconsin / Flash Flood Warnings in 2004

Flash Flood Warning 1, NWS Green Bay, WI

March 28, 2004Langlade County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Mar 28, 2004, 1:21 PM CST for Langlade 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
Mar 28, 2004, 1:21 PM CST (19:21 UTC)
Expired
Mar 28, 2004, 7:15 PM CST
In force
6 hr
Issued by
NWS Green Bay, WI
Area
Counties, with a storm outline in the text

County Langlade County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.4 hours before the alert went out and 115 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 2004-03-28Temperature 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 2004-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 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
589 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
239 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 281931
FFWGRB
WIC067-290115-


BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
121 PM CST SUN MAR 28 2004

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

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

* UNTIL 715 PM CST

* DUE TO THE RECENT RAPID SNOWMELT...THE SPRING BROOK IN THE CITY
  OF ANTIGO HAS OVERRUN ITS BANKS AND HAS PRODUCED SIGNIFICANT
  FLOODING. NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SHOWERS
  WILL AFFECT THE ANTIGO AREA THIS AFTERNOON TO FURTHER AGGRAVATE 
  THE PROBLEM. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS 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.

THE LANGLADE COUNTY SHERIFFS DEPARTMENT HAS REPORTED HIGHWAY 45 
CLOSED SOUTH OF ANTIGO.  MANY OTHER ROADS ARE CLOSED AS WELL.  THE 
SHERIFFS DEPARTMENT REQUESTS MOTORISTS TO AVOID THIS AREA. 

LAT...LON 4515 8930 4509 8907 4523 8897 4525 8926

$$

HELMAN
1 follow-up statement
000 
WGUS73 KGRB 290104
FFSGRB
WIC067-290145-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
705 PM CST SUN MAR 28 2004

...SIGNIFICANT FLOODING CONTINUES IN THE CITY OF ANTIGO...

AT 630 PM CST...THE LANGLADE COUNTY EMERGENCY MANAGER CONTINUED TO
REPORT SIGNIFICANT FLOODING NEAR SPRING BROOK IN THE CITY OF ANTIGO.
HIGHWAY 45 WAS COMPLETELY COVERED BY WATER AT 10TH AVENUE...AND A SMALL
PORTION OF THE CITY HAD BEEN EVACUATED.

THE HEAVIEST RAIN WILL SHIFT EAST OF THE AREA BY 9 PM. HOWEVER...RUNOFF
FROM EARLIER RAINS COMBINED WITH CONTINUED SNOWMELT WILL CAUSE THE
FLOODING TO CONTINUE INTO MONDAY.

THE CONDITIONS WHICH GENERATED THE FLOODING WILL START TO IMPROVE LATE
TONIGHT AND MONDAY. COLDER TEMPERATURES SHOULD SLOW THE SNOW MELT.
ALTHOUGH SOME PRECIPITATION IS POSSIBLE MONDAY...IT WILL BE LIGHT AND
SHOULD FALL IN THE FORM OF SNOW. 

SINCE PEOPLE IN THE AFFECTED AREA ARE ALREADY WELL AWARE OF THE
DANGER...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AS SCHEDULED
AT 715 PM. A FLOOD WARNING...WHICH IS USED TO HANDLE LONGER TERM
FLOODING ALONG STREAMS AND RIVERS...IS IN EFFECT FOR LANGLADE COUNTY.
THAT WARNING WILL CONTINUE UNTIL THE FLOODING SUBSIDES.

$$
SKOWRONSKI/JML
WWW.CRH.NOAA.GOV/GRB

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.