Alert archive / Wisconsin / Flash Flood Warnings in 1990

Flash Flood Warning 3, NWS Green Bay, WI

June 22, 1990Winnebago County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jun 22, 1990, 7:49 PM CDT for Winnebago County, Wisconsin. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 22, 1990, 7:49 PM CDT (00:49 UTC)
Expired
Jun 22, 1990, 11:45 PM CDT
In force
4 hr
Issued by
NWS Green Bay, WI
Area
Whole counties

County Winnebago County, WI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.8 hours before the alert went out and 63 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 1990-06-23Temperature 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 1990-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
NaN m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
106 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 
TTAA00 KGRB 230049 RRA
FFWGRB
WIC009-015-061-087-139-230445-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
URBAN AND SMALL STREAM FLOOD WARNING 
NATIONAL WEATHER SERVICE GREEN BAY WI
749 PM CDT FRI JUN 22 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL 
STREAM FLOOD WARNING EFFECTIVE UNTIL 1145 PM CDT FOR PEOPLE IN 
THE FOLLOWING COUNTIES

   IN THE NORTHEAST PART OF WISCONSIN
      BROWN...KEWAUNEE...OUTAGAMIE...

   IN THE EAST CENTRAL PART OF WISCONSIN
      NORTHERN CALUMET...WINNEBAGO...

NUMEROUS REPORTS HAVE BEEN RECEIVED OF STREET FLOODING AND WATER
RUNNING OVER ROADWAYS. MANY REPORTS HAVE ALSO BEEN RECEIVED OF
BASEMENT FLOODING. PARTS OF SOME HIGHWAYS HAVE BEEN CLOSED DUE TO
FLOODING. PARTS OF HIGHWAY 96 IN SOUTHERN BROWN COUNTY AND PARTS OF
COUNTY HIGHWAY ZZ NORTH AND SOUTH OF WRIGHTSTOWN...WHICH IS ABOUT 20
MILES SOUTH OF GREEN BAY...HAVE BEEN CLOSED. 3 TO 6 INCH RAINFALLS
HAVE BEEN REPORTED IN THESE AREAS WITH THE RAIN CONTINUING WITH
ANOTHER 1 TO 2 INCHES OF RAIN POSSIBLE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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 IMMEDIATELY.
MOVE TO HIGHER GROUND.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOOD WATERS.  IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY.  MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

BB/0049Z

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 7:49 PM CDTFlash Flood WarningGRBBrown, Calumet, Kewaunee, Outagamie4 hr

Nearby

Flash Flood Warnings in Wisconsin, 1990Every flash flood warning in 1990

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.