Alert archive / Wisconsin / Tornado Warnings in 2002

Tornado Warning 2, NWS Duluth, MN

April 18, 2002Price County, Wisconsin

NWS Duluth, MN issued this tornado warning at Apr 18, 2002, 6:13 PM CDT for Price County, Wisconsin. It was in force for 32 min. 1 report 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
Apr 18, 2002, 6:13 PM CDT (23:13 UTC)
Expired
Apr 18, 2002, 6:45 PM CDT
In force
32 min
Issued by
NWS Duluth, MN
Area
Counties, with a storm outline in the text

County Price County, WI

The radar

The Duluth radar (KDLH), 191 km from the middle of the area, began a volume at 23:15 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
Apr 18, 6:29 PM CDTTornado F0Catawba, WIA tornado touched down briefly in an isolated wooded area.

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 nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.2 hours before the alert went out and 222 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, Green Bay/Straub, WI at 12:00Z on 2002-04-18Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2002-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 460 square meters per square second.19395878Sfc1 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
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 182313
TORDLH
WIC099-192345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING ...CORRECTED EXPIRATION TIME.
NATIONAL WEATHER SERVICE DULUTH MN
609 PM CDT THU APR 18 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 645 PM CDT

* AT 609 PM CDT DOPPLER RADAR INDICATED A TORNADO 5 MILES SOUTHWEST
  OF PHILLIPS...OR ABOUT 20 MILES SOUTH OF PARK FALLS...MOVING
  NORTHEAST AT 45 MPH.

* THIS TORNADO WILL BE NEAR...
  PHILLIPS AROUND 615 PM CDT...

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

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING 
PREVIOUSLY IN EFFECT FOR PRICE COUNTY.

.END

LAT...LON 4569 9060 4554 9047 4576 8986 4595 9002

SHIMON

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 2:33 AM CDTSevere Thunderstorm WarningDLHBurnett57 min
Apr 18, 3:43 PM CDTSevere Thunderstorm WarningDLHPrice47 min
Apr 18, 4:30 PM CDTSevere Thunderstorm WarningDLHPrice45 min
Apr 18, 4:56 PM CDTSevere Thunderstorm WarningDLHIron34 min
Apr 18, 5:15 PM CDTSevere Thunderstorm WarningDLHPrice60 min
Apr 18, 5:37 PM CDTSevere Thunderstorm WarningDLHSawyer38 min
Apr 18, 5:46 PM CDTSevere Thunderstorm WarningDLHIron59 min
Apr 18, 6:10 PM CDTTornado WarningDLHPrice35 min
Apr 18, 6:16 PM CDTSevere Thunderstorm WarningDLHIron59 min
Apr 18, 6:19 PM CDTTornado WarningDLHIron56 min
Apr 18, 6:44 PM CDTTornado WarningDLHPrice16 min

Nearby

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