Alert archive / Wisconsin / Flash Flood Warnings in 1996

Flash Flood Warning 1, NWS Green Bay, WI

June 18, 1996Shawano County, Wisconsin

NWS Green Bay, WI issued this flash flood warning at Jun 18, 1996, 11:34 AM CDT for Shawano County, Wisconsin. It was in force for 12 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
Jun 18, 1996, 11:34 AM CDT (16:34 UTC)
Expired
Jun 18, 1996, 11:30 PM CDT
In force
12 hr
Issued by
NWS Green Bay, WI
Area
Whole counties

County Shawano County, WI

The radar

The Green Bay radar (KGRB), 61 km from the middle of the area, began a volume at 16:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 4.6 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 12:00Z on 1996-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 1996-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.1939Sfc1 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
508 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
186 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 181632 COR
FFWGRB
WIC115-190430-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING...CORRECTED
NATIONAL WEATHER SERVICE GREEN BAY WI
1134 AM CDT TUE JUN 18 1996
 
...FLOOD WARNING FOR SHAWANO COUNTY UNTIL 1130 PM CDT...

AT 1115 AM...MODERATE TO HEAVY WAS MOVING ACROSS PARTS OF SHAWANO
COUNTY AGGREVATING AN ALREADY BAD SITUATION. REPORTS OF SOME FLOODING
WERE REPORTED BY THE SHAWANO COUNTY EMERGENCY GOVERNMETNT DIRECTOR
ALONG THE WOLF RIVER NEAR SHAWANO. THE WATER HAD ALREADY REACHED HALF
WAY INTO SOME PROPERTIES IN THE AREA.

MANY ROADS ACROSS THE COUNTY ALREADY HAD STANDING WATER ON THEM AND
RIVERS AND STREAMS ACROSS THE COUNTY WERE NEAR OVER OVER THEIR BANKS.

SLOW MOVING RAIN THAT WAS NOW FALLING OVER THE COUNTY WILL ONLY
MAKE MATTERS WORSE.

PERSONS IN THE AREA SHOULD BE ALERT FOR FLOOD WATERS AND SEEK HIGHER
GROUND IF FLOODING IS OBSERVED.

LM

Nearby

Flash Flood Warnings in Wisconsin, 1996Every flash flood warning in 1996

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; radar from the NEXRAD Level II archive.