Alert archive / Wisconsin / Tornado Warnings in 2001

Tornado Warning 9, NWS Duluth, MN

June 18, 2001Burnett County, Washburn County, Wisconsin

NWS Duluth, MN issued this tornado warning at Jun 18, 2001, 8:30 PM CDT for Burnett County, Washburn County, Wisconsin. It was in force for 60 min. 6 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 18, 2001, 8:30 PM CDT (01:30 UTC)
Expired: Jun 18, 2001, 9:30 PM CDT
In force: 60 min
Issued by: NWS Duluth, MN
Area: Whole counties

Counties Burnett County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 107 km from the middle of the area, began a volume at 01:30 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	Remark
Jun 18, 8:47 PM CDT	Thunderstorm Wind 70 E	Grantsburg, WI	Houses were destroyed. The wind speed is estimated.
Jun 18, 8:50 PM CDT	Hail 1	Siren, WI
Jun 18, 8:51 PM CDT	Tornado F2	Spooner, WI	The tornado, which began near Grantsburg in Burnett County, entered Washburn County at 851 pm local daylight time, 7 miles west of Spooner, and traveled to a point about 3 miles west of Spooner, dissipating around 900 pm. The tornado was in the dissipating sta
Jun 18, 8:52 PM CDT	Hail 2	Spooner, WI
Jun 18, 8:57 PM CDT	Hail 1.5	Spooner, WI
Jun 18, 9:00 PM CDT	Thunderstorm Wind 60 E	Spooner, WI	Buildings were destroyed and power lines were blown down. The wind speed is estimated.

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
Jun 18, 3:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.5 hours before the alert went out and 165 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: 2360 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1718 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 13.2

Open this sounding in Storm Lab

The text

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

343 
WFUS53 KDLH 190130
TORDLH
WIC013-129-190230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DULUTH MN
830 PM CDT MON JUN 18 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  BURNETT COUNTY IN WISCONSIN
  WASHBURN COUNTY IN WISCONSIN

* UNTIL 930 PM CDT

* AT 830 PM CDT LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A TORNADO
  OVER SIREN...OR ABOUT 31 MILES SOUTHEAST OF HINCKLEY...MOVING EAST
  AT 25 MPH.

* THIS TORNADO WILL BE NEAR...
  SIREN THROUGH 845 PM CDT
  HERTEL AROUND 845 PM CDT
  SPOONER AROUND 910 PM CDT
  SHELL LAKE AROUND 915 PM CDT
  SARONA AROUND 920 PM CDT

AN EXTREMELY POWERFUL AND DANGEROUS TORNADO IS ON THE GROUND. IF YOU
ARE IN OR NEAR THE PATH OF THIS TORNADO...TAKE COVER NOW

$$

&

LAT...LON 4587 9245 4569 9245 4564 9155 4591 9154

SCW

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:20 PM CDT	Severe Thunderstorm Warning	DLH	Burnett	40 min
Jun 18, 7:31 PM CDT	Tornado Warning	DLH	Burnett	59 min
Jun 18, 8:24 PM CDT	Severe Thunderstorm Warning	DLH	Douglas	66 min
Jun 18, 8:39 PM CDT	Tornado Warning	DLH	Douglas	51 min
Jun 18, 9:12 PM CDT	Tornado Warning	DLH	Sawyer	63 min
Jun 18, 9:54 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer, Washburn	36 min
Jun 18, 10:08 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron	52 min
Jun 18, 10:08 PM CDT	Tornado Warning	DLH	Price	52 min
Jun 18, 10:16 PM CDT	Tornado Warning	DLH	Sawyer	14 min
Jun 18, 10:28 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer	47 min
Jun 18, 11:30 PM CDT	Severe Thunderstorm Warning	DLH	Price, Sawyer	60 min

Nearby

Tornado Warnings in Wisconsin, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.