Alert archive / Wisconsin / Tornado Warnings in 2002

Tornado Warning 4, NWS Duluth, MN

April 18, 2002Price County, Wisconsin

NWS Duluth, MN issued this tornado warning at Apr 18, 2002, 6:44 PM CDT for Price County, Wisconsin. It was in force for 16 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 18, 2002, 6:44 PM CDT (23:44 UTC)
Expired: Apr 18, 2002, 7:00 PM CDT
In force: 16 min
Issued by: NWS Duluth, MN
Area: Counties, with a storm outline in the text

County Price County, WI

The radar

The Green Bay radar (KGRB), 206 km from the middle of the area, began a volume at 23:45 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, 11.7 hours before the alert went out and 208 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: 1774 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 460 m²/s²
0-3 km storm-relative helicity: 766 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KDLH 182344
TORDLH
WIC099-190000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DULUTH MN
643 PM CDT THU APR 18 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  PRICE COUNTY IN NORTH CENTRAL WISCONSIN

* UNTIL 700 PM CDT

* AT 643 PM CDT DOPPLER RADAR INDICATED A TORNADO 2 MILES NORTHWEST
  OF BRANTWOOD...OR ABOUT 28 MILES SOUTHEAST OF PARK FALLS...MOVING
  EAST AT 40 MPH.

* THIS TORNADO WILL BE NEAR...
  3 MILES NORTH OF BRANTWOOD AROUND 650 PM CDT

THIS STORM HAS PRODUCED A TORNADO

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

IF YOU ARE IN A MOBILE HOME...ABANDON IT AND GO TO A NEARBY STURDY
BUILDING. AS A LAST RESORT...LIE FLAT IN A DITCH AND COVER YOUR HEAD

THIS WARNING EXTENDS THE PREVIOUS TORNADO WARNING.

.END

LAT...LON 4563 9035 4550 9028 4553 9005 4571 9005

SHIMON

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 18, 2:33 AM CDT	Severe Thunderstorm Warning	DLH	Burnett	57 min
Apr 18, 3:43 PM CDT	Severe Thunderstorm Warning	DLH	Price	47 min
Apr 18, 4:30 PM CDT	Severe Thunderstorm Warning	DLH	Price	45 min
Apr 18, 4:56 PM CDT	Severe Thunderstorm Warning	DLH	Iron	34 min
Apr 18, 5:15 PM CDT	Severe Thunderstorm Warning	DLH	Price	60 min
Apr 18, 5:37 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer	38 min
Apr 18, 5:46 PM CDT	Severe Thunderstorm Warning	DLH	Iron	59 min
Apr 18, 6:10 PM CDT	Tornado Warning	DLH	Price	35 min
Apr 18, 6:13 PM CDT	Tornado Warning	DLH	Price	32 min
Apr 18, 6:16 PM CDT	Severe Thunderstorm Warning	DLH	Iron	59 min
Apr 18, 6:19 PM CDT	Tornado Warning	DLH	Iron	56 min

Nearby

Tornado Warnings in Wisconsin, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.