Alert archive / Wisconsin / Tornado Warnings in 2002

Tornado Warning 6, NWS Green Bay, WI

May 6, 2002Waupaca County, Wisconsin

NWS Green Bay, WI issued this tornado warning at May 6, 2002, 5:26 PM CDT for Waupaca County, Wisconsin. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 6, 2002, 5:26 PM CDT (22:26 UTC)
Expired: May 6, 2002, 6:00 PM CDT
In force: 34 min
Issued by: NWS Green Bay, WI
Area: Counties, with a storm outline in the text

County Waupaca County, WI

The radar

The Green Bay radar (KGRB), 74 km from the middle of the area, began a volume at 22:27 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 6, 3:30 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.4 hours before the alert went out and 74 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1035 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 210 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 KGRB 062226
TORGRB
WIC135-062300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
525 PM CDT MON MAY 6 2002

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  WAUPACA COUNTY IN WISCONSIN

* UNTIL 600 PM CDT

* AT 525 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST
  DANGEROUS PART OF THE STORM WAS LOCATED NEAR WAUPACA. IT WAS MOVING
  EAST AT 25 MPH.

* SOME LOCATIONS THAT WILL BE AFFECTED BY THE STORM INCLUDE...
  WAUPACA BY 528 PM
  WHITE LAKE IN WAUPACA COUNTY BY 535 PM CDT.
  WEYAUWEGA BY 535 PM CDT.
  ROYALTON BY 545 PM CDT.
  FREMONT BY 545 PM CDT.
  NORTHPORT BY 550 PM CDT.

MOVE TO A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
BUILDING.

LAT...LON 4443 8917 4425 8917 4424 8884 4450 8876

ECKBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 3:12 PM CDT	Severe Thunderstorm Warning	GRB	Marathon	48 min
May 6, 3:59 PM CDT	Severe Thunderstorm Warning	GRB	Marathon	46 min
May 6, 4:12 PM CDT	Severe Thunderstorm Warning	GRB	Portage	48 min
May 6, 4:46 PM CDT	Severe Thunderstorm Warning	GRB	Waupaca	44 min
May 6, 4:50 PM CDT	Severe Thunderstorm Warning	GRB	Wood	40 min
May 6, 5:13 PM CDT	Severe Thunderstorm Warning	GRB	Waushara, Winnebago	32 min
May 6, 5:43 PM CDT	Tornado Warning	GRB	Outagamie, Winnebago	47 min
May 6, 5:49 PM CDT	Severe Thunderstorm Warning	GRB	Waushara	41 min
May 6, 6:06 PM CDT	Severe Thunderstorm Warning	GRB	Calumet	24 min
May 6, 6:16 PM CDT	Tornado Warning	GRB	Calumet	29 min
May 6, 6:25 PM CDT	Special Marine Warning	GRB		110 min
May 6, 6:25 PM CDT	Special Marine Warning	GRB		110 min
May 6, 6:25 PM CDT	Special Marine Warning	GRB		110 min
May 6, 6:27 PM CDT	Severe Thunderstorm Warning	GRB	Brown	33 min
May 6, 6:30 PM CDT	Severe Thunderstorm Warning	GRB	Waushara	45 min
May 6, 6:35 PM CDT	Severe Thunderstorm Warning	GRB	Manitowoc	40 min
May 6, 6:43 PM CDT	Severe Thunderstorm Warning	GRB	Calumet	32 min

Nearby

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