Alert archive / Wisconsin / Tornado Warnings in 2005

Tornado Warning 33, NWS Green Bay, WI

August 18, 2005Outagamie County, Waupaca County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Aug 18, 2005, 7:45 PM CDT for Outagamie County, Waupaca County, Wisconsin. It was in force for 30 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
Aug 18, 2005, 7:45 PM CDT (00:45 UTC)
Expired
Aug 18, 2005, 8:15 PM CDT
In force
30 min
Issued by
NWS Green Bay, WI
Area
Counties, with a storm outline in the text

Counties Outagamie County, WI, Waupaca County, WI

The radar

The Green Bay radar (KGRB), 51 km from the middle of the area, began a volume at 00:46 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 00:00Z, 0.8 hours before the alert went out and 51 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 00:00Z on 2005-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 2005-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 km3 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
7 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
161 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 190045
TORGRB
WIC087-135-190115-
/O.NEW.KGRB.TO.W.0033.050819T0045Z-050819T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
745 PM CDT THU AUG 18 2005

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN OUTAGAMIE COUNTY IN NORTHEAST WISCONSIN
  EASTERN WAUPACA COUNTY IN NORTHEAST WISCONSIN

* UNTIL 815 PM CDT

* AT 742 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR
  NEW LONDON...OR ABOUT 15 MILES EAST OF WAUPACA...MOVING NORTHEAST
  AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  SUGAR BUSH BY 805 PM...
  SHIOCTON BY 815 PM...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
WIDESPREAD DAMAGING WINDS.

A TORNADO IS ON THE GROUND IF YOU ARE IN THE PATH OF THIS TORNADO...
SEEK SHELTER IMMEDIATELY. IF NO UNDERGROUND SHELTER IS AVAILABLE...
MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4436 8893 4424 8874 4448 8843 4462 8867

$$

KURIMSKI
3 follow-up statements
000 
WWUS53 KGRB 190058
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
755 PM CDT THU AUG 18 2005

WIC087-135-190115-
/O.CON.KGRB.TO.W.0033.000000T0000Z-050819T0115Z/
OUTAGAMIE WI-WAUPACA WI-
755 PM CDT THU AUG 18 2005

...A TORNADO WARNING CONTINUES UNTIL 815 PM CDT FOR EASTERN WAUPACA 
AND OUTAGAMIE COUNTIES...

AT 750 PM...DOPPLER RADAR CONTINUED TO INDICATE A TORNADO.  THIS
TORNADO WAS LOCATED NEAR NEW LONDON...OR ABOUT 16 MILES EAST OF
WAUPACA...MOVING NORTHEAST AT 15 MPH.

THE TORNADO WILL BE NEAR...
  SUGAR BUSH BY 810 PM...
  BEAR CREEK BY 815 PM...

IN ADDITION A LARGE ROTATING WALL CLOUD WAS SEEN NORTH OF MENASHA 
AND HEADED INTO SOUTHERN OUTAGAMIE. ANOTHER ROTATING WALL CLOUD WAS 
SEEN BY A TRAINED SPOTTER NORTH OF WAYAWEGA IN EASTERN WAUPACA 
COUNTY. ANY OF THESE CIRCULATIONS COULD REACH THE GROUND AS A 
TORNADO AT ANY TIME.

THE TORNADO WARNING NOW INCLUDES ALL OF OUTAGAMIE COUNTY.

LAT...LON 4436 8893 4424 8874 4448 8843 4462 8867

$$

KURIMSKI
000 
WWUS53 KGRB 190106
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
805 PM CDT THU AUG 18 2005

WIC087-190115-
/O.CAN.KGRB.TO.W.0033.000000T0000Z-050819T0115Z/
OUTAGAMIE WI-
805 PM CDT THU AUG 18 2005

...THE TORNADO WARNING FOR OUTAGAMIE COUNTY IS EXTENDED...

THE TORNADO WARNING FOR WESTERN OUTAGAMIE COUNTY WAS EXTENDED UNTIL 
830 PM AND INCLUDES THE ENTIRE COUNTY.

LAT...LON 4426 8898 4424 8874 4465 8873 4465 8880

$$

WIC135-190115-
/O.CON.KGRB.TO.W.0033.000000T0000Z-050819T0115Z/
WAUPACA WI-
805 PM CDT THU AUG 18 2005

...A TORNADO WARNING CONTINUES UNTIL 815 PM CDT FOR EASTERN WAUPACA 
COUNTY...

AT 803 PM...DOPPLER RADAR CONTINUED TO INDICATE A TORNADO.  THIS
TORNADO WAS LOCATED NEAR NORTHPORT...OR ABOUT 11 MILES EAST OF
WAUPACA...MOVING NORTHEAST AT 15 MPH.

THE TORNADO WILL BE NEAR...
  NORTHPORT AND NEW LONDON BY 810 PM...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING HAIL 
AND DESTRUCTIVE STRAIGHT LINE WINDS.

LAT...LON 4426 8898 4424 8874 4465 8873 4465 8880

$$

KURIMSKI
000 
WWUS53 KGRB 190112 RRA
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
813 PM CDT THU AUG 18 2005

WIC135-190123-
/O.EXP.KGRB.TO.W.0033.000000T0000Z-050819T0115Z/
WAUPACA WI-
813 PM CDT THU AUG 18 2005

...THE TORNADO WARNING FOR EASTERN WAUPACA COUNTY EXPIRES AT 815 PM 
CDT...

THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS MOVED OUT OF
THE AREA.

HEAVY RAIN IS STILL POSSIBLE WITH ADDITIONAL THUNDERSTORMS.

LAT...LON 4426 8898 4424 8874 4465 8873 4465 8880

$$

KURIMSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 7:48 PM CDTTornado WarningGRBWinnebago27 min
Aug 18, 8:02 PM CDTTornado WarningGRBOutagamie28 min
Aug 18, 9:46 PM CDTSpecial Marine WarningGRB91 min

Nearby

Tornado Warnings in Wisconsin, 2005Every tornado warning in 2005Tornadoes in 2005

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.