Alert archive / Wisconsin / Tornado Warnings in 1989

Tornado Warning 15, NWS Green Bay, WI

June 26, 1989Sauk County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jun 26, 1989, 11:42 AM CDT for Sauk County, Wisconsin. It was in force for 48 min. 2 reports 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: Jun 26, 1989, 11:42 AM CDT (16:42 UTC)
Expired: Jun 26, 1989, 12:30 PM CDT
In force: 48 min
Issued by: NWS Green Bay, WI
Area: Whole counties

County Sauk 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
Jun 26, 11:55 AM CDT	Thunderstorm Wind 0	Sauk, WI
Jun 26, 12:00 PM CDT	Tornado F1	Sauk, 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, 4.7 hours before the alert went out and 189 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: 940 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: -32 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 261643 RRA
TORMSN
WIC111-261730-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MADISON WI
1142 AM CDT MON JUN 26 1989
 
THE NATIONAL WEATHER SERVICE IN MADISON WIHAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1230 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH CENTRAL WISCONSIN
          ...SAUK
 
AT 1135AM CDT WEATHER RADAR DETECTED A POSSIBLE TORNADO 10 MILES
NORTH..NORTHEAST OF LONE ROCK OR 35 MILES WEST..NORTHWEST OF MADISON
MOVING TOWARDS THE NORTHEAST AT 30 MPH. A TORNADO SPOTTER ALSO
SIGHTED A FUNNEL IN THE SAME AREA.
 
SEEK SHELTER IMMEDIATELY.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHEL2TER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
 
STIMACH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 11:16 AM CDT	Severe Thunderstorm Warning	GRB	Richland	44 min
Jun 26, 11:32 AM CDT	Tornado Warning	GRB	Iowa	43 min
Jun 26, 12:12 PM CDT	Tornado Warning	GRB	Columbia, Dane	48 min
Jun 26, 12:27 PM CDT	Tornado Warning	GRB	Adams	48 min
Jun 26, 12:34 PM CDT	Tornado Warning	GRB	Green	41 min
Jun 26, 1:00 PM CDT	Tornado Warning	GRB	Green Lake	45 min
Jun 26, 1:10 PM CDT	Tornado Warning	GRB	Rock	50 min

Nearby

Tornado Warnings in Wisconsin, 1989 Every tornado warning in 1989 Tornadoes in 1989

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.