Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 46, NWS Milwaukee, WI

July 18, 1996Ozaukee County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 18, 1996, 9:38 PM CDT for Ozaukee County, Wisconsin. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 18, 1996, 9:38 PM CDT (02:38 UTC)
Expired: Jul 18, 1996, 10:30 PM CDT
In force: 52 min
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 02:41 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 00:00Z, 2.6 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2604 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 773 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 2.5
Supercell composite: 9.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMKE 190240
SVRMKE
WIC089-190325-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
938 PM CDT THU JUL 18 1996

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEAST WISCONSIN

   ...OZAUKEE COUNTY

 
AT 935 PM DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS OVER SOUTHERN
OZAUKEE COUNTY.  IN ADDITION ANOTHER STORM WAS MOVING ACRSS NORTHERN
OZAUKEE COUNTY.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS.

THESE STORMS WERE PRODUCING CONTINUOUS LIGHTING.

HENTZ/MEADE
 
 j

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Jul 18, 6:16 PM CDT, 3 hours 22 minutes before

WIZ008>009-016>017-027>029-033>034-041-190100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
615 PM CDT THU JUL 18 1996

THE TORNADO WATCH PREVIOUSLY IN EFFECT HAS BEEN CANCELLE6D IN MUCH
OF WESTERN WISCONSIN. THE THREAT OF SEVERE WEATHER HAS ENDED WEST
OF A LINE FROM PRICE COUNTY SOUTHWARD TO LA CROSSE COUNTY.

BROWNING

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 7:05 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac, Sheboygan	55 min
Jul 18, 7:09 PM CDT	Tornado Warning	MKX	Fond du Lac	31 min
Jul 18, 7:15 PM CDT	Tornado Warning	MKX	Sheboygan	35 min
Jul 18, 7:23 PM CDT	Tornado Warning	MKX	Dodge, Washington	52 min
Jul 18, 7:35 PM CDT	Tornado Warning	MKX	Fond du Lac	50 min
Jul 18, 7:42 PM CDT	Severe Thunderstorm Warning	MKX	Columbia	63 min
Jul 18, 7:51 PM CDT	Tornado Warning	MKX	Sheboygan	44 min
Jul 18, 8:00 PM CDT	Tornado Warning	MKX	Ozaukee	45 min
Jul 18, 8:03 PM CDT	Tornado Warning	MKX	Columbia	47 min
Jul 18, 8:21 PM CDT	Tornado Warning	MKX	Dodge, Fond du Lac, Washington	44 min
Jul 18, 8:46 PM CDT	Severe Thunderstorm Warning	MKX	Ozaukee	49 min
Jul 18, 8:53 PM CDT	Tornado Warning	MKX	Ozaukee, Washington	47 min
Jul 18, 9:01 PM CDT	Tornado Warning	MKX	Dodge	34 min
Jul 18, 9:10 PM CDT	Severe Thunderstorm Warning	MKX	Washington	60 min
Jul 18, 9:28 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Waukesha	62 min
Jul 18, 9:41 PM CDT	Severe Thunderstorm Warning	MKX	Ozaukee, Washington	49 min
Jul 18, 10:09 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee	36 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1996 Every severe thunderstorm 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.