Alert archive / Wisconsin / Tornado Warnings in 1987

Tornado Warning 3, NWS Milwaukee, WI

July 29, 1987Washington County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jul 29, 1987, 2:41 PM CDT for Washington County, Wisconsin. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 29, 1987, 2:41 PM CDT (19:41 UTC)
Expired: Jul 29, 1987, 3:30 PM CDT
In force: 49 min
Issued by: NWS Milwaukee, WI
Area: Whole counties

County Washington County, WI

The radar

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

What was reported inside it

Time	Report	Where	Remark
Jul 29, 3:06 PM CDT	Thunderstorm Wind 61	Washington, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.7 hours before the alert went out and 124 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: 633 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 789 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 291941
TORMKE
WIC131-292030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE WI
241 PM CDT WED JUL 29 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 330 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

SOUTHEAST WISCONSIN...WASHINGTON

AT 235 PM CDT...A FUNNEL CLOUD WAS OBSERVED JUST NORTH OF THE
TOWN OF WEST BEND IN WASHINGTON COUNTY MOVING SOUTHEAST AT 30 MPH.
WEST BEND IS 30 MILES NORTHWEST OF MILWAUKEE.

TOWNS IN THE PATH OF THIS FUNNEL CLOUD ARE WEST BEND AND MYRA.

IF THREATENING WEATHER APPROACHES YOU..TAKE COVER IMMEDIATELY.
A BASEMENT..INTERIOR HALLWAY OR ROOM ON THE LOWEST FLOOR IS !THE
SAFEST PLACE IN MOST BUILDINGS.  GET UNDER SOMETHING STURDY.

HAASE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 1:43 PM CDT	Severe Thunderstorm Warning	MKX	Fond du Lac	57 min
Jul 29, 2:12 PM CDT	Severe Thunderstorm Warning	MKX	Ozaukee, Sheboygan	63 min
Jul 29, 2:28 PM CDT	Severe Thunderstorm Warning	MKX	Washington	62 min
Jul 29, 2:47 PM CDT	Tornado Warning	MKX	Ozaukee	43 min
Jul 29, 3:08 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Waukesha	52 min
Jul 29, 3:50 PM CDT	Tornado Warning	MKX	Waukesha	40 min
Jul 29, 3:57 PM CDT	Severe Thunderstorm Warning	MKX	Milwaukee, Racine	33 min
Jul 29, 6:03 PM CDT	Tornado Warning	MKX	Clark	43 min

Nearby

Tornado Warnings in Wisconsin, 1987 Every tornado warning in 1987 Tornadoes in 1987

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.