Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 5, NWS Green Bay, WI

May 26, 1987Green County, Rock County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at May 26, 1987, 6:52 PM CDT for Green County, Rock County, Wisconsin. It was in force for 38 min.

The area

The counties it named.

The facts

Issued: May 26, 1987, 6:52 PM CDT (23:52 UTC)
Expired: May 26, 1987, 7:30 PM CDT
In force: 38 min
Issued by: NWS Green Bay, WI
Area: Whole counties

Counties Green County, WI, Rock County, WI

The radar

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.9 hours before the alert went out and 224 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: NaN m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 228 m²/s²
0-3 km storm-relative helicity: 237 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 KMSN 262352
SVRMSN
WIC045-105-270030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MADISON WI
652 PM CDT TUE MAY 26 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

SOUTH CENTRAL WISCONSIN...EASTERN GREEN AND WESTERN ROCK

A SEVERE THUNDERSTORM WAS LOCATED 45 MILES SOUTH SOUTHWEST OF
MADISON OR ABOUT 5 MILES SOUTHEAST OF MONROE IN GREEN COUNTY.
THE STORM IS MOVING NORTHEAST AT 25 MPH SND WILL EFFECT JUDA
BRODHEAD AND ALBANY IN GREEN COUNTY BEFORE ENTERING WESTERN
ROCK COUNTY.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS..LARGE HAIL AND DANGEROUS
LIGHTNING. IF THREATENING WEATHER APPROACHES TAKE SHELTER.

REMEMBER..SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT.

SWENSON

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, May 26, 6:06 PM CDT, 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
600 PM CDT TUE MAY 26 1987

...STRONG THUNDERSTORM IN MANITOWOC COUNTY...

AT 550 PM CDT RADAR SHOWS A VERY STRONG THUNDERSTORM JUST EAST OF
THE CITY OF MANINTOWOC OVER LAKE MICHIGAN...35 MILES SOUTHEAST OF
GREEN BAY. THIS STORM IS MOVING NORTHEAST AT 30 MILES AN HOUR AND
WILL BE AFFECTING THE LAKE MICHIGAN SHORE FROM MANITOWOC IN MANINTOWOC
COUNTY TO THE SOUTHERN PORTION OF KEWAUNEE }COUNTY.

HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS CAN BE EXPECTED WITH
THESE STORMS.

BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY.

HELMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 5:07 PM CDT	Severe Thunderstorm Warning	GRB	Columbia, Green Lake	23 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1987 Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.