Alert archive / Wisconsin / Tornado Warnings in 2004

Tornado Warning 13, NWS Green Bay, WI

October 23, 2004Outagamie County, Winnebago County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Oct 23, 2004, 2:06 PM CDT for Outagamie County, Winnebago County, Wisconsin. It was in force for 24 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: Oct 23, 2004, 2:06 PM CDT (19:06 UTC)
Expired: Oct 23, 2004, 2:30 PM CDT
In force: 24 min
Issued by: NWS Green Bay, WI
Area: Counties, with a storm outline in the text

Counties Outagamie County, WI, Winnebago County, WI

The radar

The Green Bay radar (KGRB), 44 km from the middle of the area, began a volume at 19:07 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, 7.1 hours before the alert went out and 43 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: 633 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 319 m²/s²
0-3 km storm-relative helicity: 299 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 231906
TORGRB
WIC087-139-231930-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
205 PM CDT SAT OCT 23 2004

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN WINNEBAGO COUNTY IN WISCONSIN
  OUTAGAMIE COUNTY IN WISCONSIN

* UNTIL 230 PM CDT

* AT 205 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  DEVELOPING TORNADO LOCATED NEAR LARSEN. THAT PLACES THE STORM 9
  MILES WEST OF APPLETON. IT WAS MOVING NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  GREENVILLE AROUND 210 PM...
  STEPHENSVILLE AROUND 215 PM...
  MACKVILLE AROUND 220 PM...
    

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

LAT...LON 4421 8874 4410 8855 4440 8829 4451 8854

$$

HELMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 23, 1:31 PM CDT	Severe Thunderstorm Warning	GRB	Winnebago	59 min
Oct 23, 1:39 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage	51 min
Oct 23, 2:33 PM CDT	Tornado Warning	GRB	Outagamie	27 min
Oct 23, 2:41 PM CDT	Severe Thunderstorm Warning	GRB	Winnebago	49 min
Oct 23, 2:52 PM CDT	Severe Thunderstorm Warning	GRB	Brown	53 min
Oct 23, 2:53 PM CDT	Special Marine Warning	GRB		67 min
Oct 23, 2:55 PM CDT	Special Marine Warning	GRB		95 min
Oct 23, 2:55 PM CDT	Special Marine Warning	GRB		95 min
Oct 23, 3:04 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie	41 min

Nearby

Tornado Warnings in Wisconsin, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.