Alert archive / Wisconsin / Tornado Warnings in 2000

Tornado Warning 13, NWS Twin Cities, MN

July 8, 2000Polk County, Wisconsin

NWS Twin Cities, MN issued this tornado warning at Jul 8, 2000, 6:11 PM CDT for Polk County, Wisconsin. It was in force for 49 min. 1 report 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
Jul 8, 2000, 6:11 PM CDT (23:11 UTC)
Expired
Jul 8, 2000, 7:00 PM CDT
In force
49 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Polk County, WI

What was reported inside it

TimeReportWhereRemark
Jul 8, 6:40 PM CDTTornado F0Clam Falls, WITouched down in open field, no damage incurred. Tornado originally touched down in Burnett county, from 1735-1740.

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
Jul 8, 4:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.2 hours before the alert went out and 113 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 2000-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2243 joules per kilogram.LCLLFCEL10008507005003002001001 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, Minneapolis, MN at 12:00Z on 2000-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 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
2243 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
972 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
262 m²/s²
Significant tornado parameter
0.7
Supercell composite
7.4

Open this sounding in Storm Lab

The text

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

859 
WFUS53 KMPX 082312
TORMSP
WIC095-090000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
611 PM CDT SAT JUL 8 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  POLK COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 700 PM CDT

* AT 611 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   
  POSSIBLE TORNADO OVER CENTRAL BURNETT COUNTY...JUST NORTHWEST OF   
  SIREN OR ABOUT 23 MILES   NORTH OF BALSAM LAKE...MOVING SOUTHEAST  
  AT 15 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE...
  FREDERIC
  LEWIS
  CLAM FALLS
  MCKINLEY 

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 6:20 PM CDTSevere Thunderstorm WarningMPXRusk55 min

Nearby

Tornado Warnings in Wisconsin, 2000Every tornado warning in 2000Tornadoes in 2000

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.