Alert archive / Wisconsin / Flash Flood Warnings in 1992

Flash Flood Warning 1, NWS Green Bay, WI

May 16, 1992Menominee County, Shawano County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at May 16, 1992, 6:50 PM CDT for Menominee County, Shawano County, Wisconsin. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
May 16, 1992, 6:50 PM CDT (23:50 UTC)
Expired
May 16, 1992, 9:45 PM CDT
In force
3 hr
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Menominee County, WI, Shawano County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.8 hours before the alert went out and 68 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 1992-05-16Temperature 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 12:00Z on 1992-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
38 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
169 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 162349
FFWGRB
WIC078-115-170245-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
650 PM CDT SAT MAY 16 1992
 
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  945 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN NORTHEAST WISCONSIN
 
   ...MENOMINEE COUNTY...SHAWANO COUNTY
 
NUMEROUS THUNDERSTORMS CONTAINING HEAVY RAINFALL HAVE TRACKED ACROSS
SHAWANO AND MENOMINEE COUNTIES SINCE LATE THIS AFTERNOON. RADAR
INDICATES MORE THUNDERSTORMS CONTAINING VERY HEAVY RAINS ARE MOVING
INTO THAT AREA FROM THE WEST. SOME STREET FLOODING HAS ALREADY BEEN
REPORTED IN SHAWANO COUNTY...AND MORE HEAVY RAINS WILL ONLY MAKE THE
SITUATION WORSE.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE 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 QUICKLY.  MOVE TO HIGHER GROUND.
ISAACSON

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 16, 6:04 PM CDT, 46 minutes before
WIZ005-008-009-012-013-DDHHMM-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
605 PM CDT SAT MAY 16 1992

...TORNADO WATCH IN EFFECT FOR NORTHEAST WISCONSIN UNTIL 9 PM...
...STRONG THUNDERSTORMS CONTINUE TO RUMBLE ACROSS PORTIONS OF NORTHEAST
WISCONSIN...
...URBAN AND SMALL STREAM FLOOD ADVISORY UNTIL 7 PM FOR SHAWANO...OCONTO
AND MENOMINEE COUNTIES...

AT 555 PM...WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS CONTINUE
TO MOVE ACROSS PORTIONS OF NORTHEAST WISCONSIN FROM 60 MILES NORTHWEST
OF GREEN BAY...OR NEAR MATTOON IN NORTHWEST SHAWANO COUNTY...TO 40 MILES
NORTH OF GREEN BAY...OR NEAR PESHTIGO IN MARINETTE COUNTY.  THESE STORMS
CONTINUE TO MOVE TO THE EAST AT 35 TO 40 MPH.

THESE STORMS WILL PRODUCE BRIEF HEAVY RAINS...STRONG GUSTY WINDS...
DANGEROUS LIGHTNING...AND SMALL HAIL.  IF THREATENING WEATHER APPROACHES...
SEEK INDOOR SHELTER.
THE THUNDERSTORMS ARE BEING PRODUCED BY A STORM CENTER IN NORTHERN
MINNESOTA AND COLD FRONT MOVING INTO CENTRAL MINNESOTA EARLY THIS
EVENING.  SHOWERS AND THUNDERSTORMS...SOME SEVERE...ARE LIKELY TONIGHT
ACROSS THE REGION.

TEMPERATURES WILL REMAIN MILD FOR MID MAY...DROPPING ONLY INTO THE
60S BEFORE MIDNIGHT.  WINDS HOWEVER WILL REMAIN STRONG FROM THE SOUTH
AT SPEEDS OF 15 TO 30 MPH.

STAYED TUNED TO YOUR NOAA WEATHER RADIO FOR FURTHER UPDATES...WARNINGS
AND STATEMENTS.

ISAACSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 3:44 PM CDTSevere Thunderstorm WarningGRBJuneau31 min
May 16, 3:45 PM CDTSevere Thunderstorm WarningGRBMenominee45 min
May 16, 4:06 PM CDTSevere Thunderstorm WarningGRBShawano69 min
May 16, 4:20 PM CDTSevere Thunderstorm WarningGRBMarinette, Oconto55 min
May 16, 6:21 PM CDTSevere Thunderstorm WarningGRBMenominee, Oconto69 min
May 16, 6:31 PM CDTSevere Thunderstorm WarningGRBShawano59 min

Nearby

Flash Flood Warnings in Wisconsin, 1992Every flash flood warning in 1992

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.