Alert archive / Wisconsin / Tornado Warnings in 2002

Tornado Warning 9, NWS Duluth, MN

September 30, 2002Price County, Wisconsin

NWS Duluth, MN issued this tornado warning at Sep 30, 2002, 6:49 PM CDT for Price County, Wisconsin. It was in force for 56 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Sep 30, 2002, 6:49 PM CDT (23:49 UTC)
Expired: Sep 30, 2002, 7:45 PM CDT
In force: 56 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), 193 km from the middle of the area, began a volume at 23:49 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.

What was reported inside it

Time	Report	Where
Sep 30, 6:50 PM CDT	Thunderstorm Wind 60 E	Chelsea, WI
Sep 30, 6:58 PM CDT	Thunderstorm Wind 60 E	Westboro, WI
Sep 30, 7:30 PM CDT	Tornado F2	Tomahawk, WI
Sep 30, 7:42 PM CDT	Hail 1	Tomahawk, 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 30, 3:05 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.8 hours before the alert went out and 195 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: 460 J/kg
Mixed-layer CIN: -228 J/kg
Mixed-layer LCL: 1152 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 321 m²/s²
0-3 km storm-relative helicity: 377 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.8

Open this sounding in Storm Lab

The text

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

397 
WFUS53 KDLH 302349
TORDLH
WIC099-010045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DULUTH MN
648 PM CDT MON SEP 30 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 745 PM CDT

* AT 648 PM DOPPLER RADAR INDICATED A TORNADO 4 MILES SOUTHEAST OF
  OGEMA...OR ABOUT 32 MILES NORTH OF ABBOTSFORD...MOVING NORTHEAST AT
  25 MPH.

* THIS TORNADO WILL BE NEAR...
  SPIRIT AROUND 655 PM...
  BRANTWOOD AROUND 705 PM...

SPOTTERS REPORTED A TORNADO ON THE GROUND NEAR CHELSEA...SEEK 
SHELTER NOW!

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING WHICH
WAS IN EFFECT FOR THE SAME AREA.

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

.END

MELDE

LAT...LON 4533 9062 4518 9047 4541 8992 4554 8963
          4576 8985

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 30, 4:29 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	46 min
Sep 30, 5:21 PM CDT	Severe Thunderstorm Warning	DLH	Iron, Price	54 min
Sep 30, 5:25 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	35 min
Sep 30, 6:22 PM CDT	Severe Thunderstorm Warning	DLH	Price	53 min
Sep 30, 6:49 PM CDT	Tornado Warning	DLH	Price	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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.