Alert archive / Wisconsin / Tornado Warnings in 2004

Tornado Warning 9, NWS Green Bay, WI

July 11, 2004Lincoln County, Marathon County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jul 11, 2004, 5:15 PM CDT for Lincoln County, Marathon County, Wisconsin. It was in force for 45 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
Jul 11, 2004, 5:15 PM CDT (22:15 UTC)
Expired
Jul 11, 2004, 6:00 PM CDT
In force
45 min
Issued by
NWS Green Bay, WI
Area
Counties, with a storm outline in the text

Counties Lincoln County, WI, Marathon County, WI

The radar

The Green Bay radar (KGRB), 136 km from the middle of the area, began a volume at 22:17 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, 10.3 hours before the alert went out and 138 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 2004-07-11Temperature 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 2004-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
1265 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
14 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 112215
TORGRB
WIC069-073-112300-


BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
513 PM CDT SUN JUL 11 2004

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  MARATHON COUNTY IN WISCONSIN
  LINCOLN COUNTY IN WISCONSIN

* UNTIL 600 PM CDT

* AT 513 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND
  SPOTTER REPORTS INDICATED A FUNNEL CLOUD NEAR HATLEY. THAT 
  PLACES THE STORM 16 MILES SOUTHEAST OF WAUSAU. IT WAS MOVING
  NORTHEAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  NORRIE AROUND 525 PM...

NUMEROUS OTHER CLUSTERS OF STORMS WERE ACROSS LINCOLN AND MARATHON 
COUNTIES. CONDITIONS ARE FAVORABLE FOR THESE STORMS TO GENERATE 
NUMEROUS FUNNEL CLOUDS...A FEW OF WHICH COULD TOUCH DOWN AS WEAK 
TORNADOES. THIS TYPE OF TORNADO IS TYPICALLY WEAK AND SHORT-LIVED. 
HOWEVER...IF ONE OF THESE STORMS IS MOVING TOWARD YOUR AREA...MOVE 
INSIDE A STURDY SHELTER AND STAY AWAY FROM WINDOWS.


LAT...LON 4470 9007 4469 8923 4511 8923 4511 8943
          4556 8945 4556 9002

$$

SKOWRONSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 4:50 PM CDTTornado WarningGRBLincoln25 min
Jul 11, 6:25 PM CDTTornado WarningGRBMarathon, Portage, Shawano50 min
Jul 11, 6:47 PM CDTTornado WarningGRBWaupaca28 min

Nearby

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