Alert archive / Wisconsin / Tornado Warnings in 2002

Tornado Warning 8, NWS Milwaukee, WI

June 21, 2002Columbia County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jun 21, 2002, 5:23 PM CDT for Columbia County, Wisconsin. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 21, 2002, 5:23 PM CDT (22:23 UTC)
Expired
Jun 21, 2002, 5:50 PM CDT
In force
27 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Columbia County, WI

The radar

The Milwaukee radar (KMKX), 84 km from the middle of the area, began a volume at 22:26 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.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.4 hours before the alert went out and 150 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 2002-06-21Temperature 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, Green Bay/Straub, WI at 12:00Z on 2002-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.193958Sfc1 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
1427 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
-11 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 KMKX 212223
TORMKE
WIC021-212250-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
522 PM CDT FRI JUN 21 2002

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN COLUMBIA COUNTY IN SOUTH CENTRAL WISCONSIN

* UNTIL 550 PM CDT

* AT 522 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST
  DANGEROUS PORTION OF THE STORM WAS LOCATED 13 MILES NORTHWEST OF
  FRIESLAND...OR ABOUT 13 MILES NORTHEAST OF PORTAGE...MOVING EAST AT
  30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  CAMBRIA AT 540 PM CDT.
  FRIESLAND AT 545 PM CDT.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. ALWAYS STAY AWAY FROM
WINDOWS

COLLAR

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 5:08 PM CDTSevere Thunderstorm WarningMKXColumbia, Green Lake, Marquette52 min
Jun 21, 5:37 PM CDTSevere Thunderstorm WarningMKXSauk53 min
Jun 21, 5:52 PM CDTTornado WarningMKXColumbia, Dodge38 min
Jun 21, 6:26 PM CDTSevere Thunderstorm WarningMKXSauk49 min
Jun 21, 6:32 PM CDTSevere Thunderstorm WarningMKXDodge58 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.