Alert archive / Wisconsin / Flash Flood Warnings in 1996

Flash Flood Warning 12, NWS Milwaukee, WI

June 18, 1996Ozaukee County, Wisconsin

NWS Milwaukee, WI issued this flash flood warning at Jun 18, 1996, 9:55 AM CDT for Ozaukee 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 counties it named.

The facts

Issued
Jun 18, 1996, 9:55 AM CDT (14:55 UTC)
Expired
Jun 18, 1996, 12:55 PM CDT
In force
3 hr
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Ozaukee County, WI

The radar

The Milwaukee radar (KMKX), 72 km from the middle of the area, began a volume at 14:57 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, 2.9 hours before the alert went out and 121 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 KMKE 181455
FFWMKE
WIC089-181755-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
955 AM CDT TUE JUN 18 1996

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1255 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEAST WISCONSIN

   ...OZAUKEE COUNTY
 
DOPPLER RADAR AND OBSERVERS REPORT THAT FLASH FLOODING IS OCCURRING
IN THE PORT WASHINGTON AREA. I-43 IS BEING CLOSED NEAR PORT
WASHINGTON DUE TO SEVERAL FEET OF WATER OVER THE ROAD AT 950 AM.

SLOW MOVING SHOWERS ARE DUMPING VERY
HEAVY RAINS IN NORTHEASTERN OZAUKEE COUNTY...AND THESE RAINS SHOULD
PERSIST FOR AT LEAST THE NEXT HOUR OR SO.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

BROWNING

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 7:03 PM CDTFlash Flood WarningMKXDane3 hr
Jun 17, 7:15 PM CDTFlash Flood WarningMKXDodge2 hr
Jun 17, 7:25 PM CDTFlash Flood WarningMKXDodge110 min
Jun 17, 8:11 PM CDTFlash Flood WarningMKXJefferson3 hr
Jun 18, 1:53 PM CDTTornado WarningMKXGreen37 min

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.