Alert archive / Wisconsin / Tornado Warnings in 2001

Tornado Warning 2, NWS Duluth, MN

May 1, 2001Burnett County, Wisconsin

NWS Duluth, MN issued this tornado warning at May 1, 2001, 6:05 PM CDT for Burnett County, Wisconsin. It was in force for 55 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
May 1, 2001, 6:05 PM CDT (23:05 UTC)
Expired
May 1, 2001, 7:00 PM CDT
In force
55 min
Issued by
NWS Duluth, MN
Area
Whole counties

County Burnett County, WI

The radar

The Duluth radar (KDLH), 109 km from the middle of the area, began a volume at 23:09 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

TimeReportWhereRemark
May 1, 6:15 PM CDTTornado F0Grantsburg, WIA weak tornado destroyed a screen house and blew down many trees. A mobile home suffered structural damage from a falling branch.
May 1, 6:22 PM CDTHail 1Danbury, 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.

IssuedProductOfficeLasted
May 1, 5:00 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.1 hours before the alert went out and 148 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2001-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2001-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
771 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
73 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 
WFUS53 KDLH 012305
TORDLH
WIC013-020000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DULUTH MN
605 PM CDT TUE MAY 1 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  BURNETT COUNTY IN WISCONSIN

* UNTIL 700 PM CDT

* AT 605 PM CDT DOPPLER RADAR INDICATED A TORNADO 6 MILES NORTHEAST
  OF GRANTSBURG...OR ABOUT 18 MILES SOUTHEAST OF HINCKLEY...MOVING
  NORTHEAST AT 40 MPH.

* THIS TORNADO WILL BE NEAR...
  WEBSTER AROUND 620 PM CDT
  YELLOWLAKE...DANBURY AROUND 625 PM CDT
  RIVERSIDE AROUND 640 PM CDT

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

$$

LAT...LON 4589 9271 4575 9270 4595 9206 4608 9227

DAP

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 5:28 PM CDTSevere Thunderstorm WarningDLHBurnett62 min

Nearby

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