Alert archive / Wisconsin / Tornado Warnings in 2005

Tornado Warning 34, NWS Green Bay, WI

August 18, 2005Winnebago County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Aug 18, 2005, 7:48 PM CDT for Winnebago 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 outline as issued.

The facts

Issued
Aug 18, 2005, 7:48 PM CDT (00:48 UTC)
Expired
Aug 18, 2005, 8:15 PM CDT
In force
27 min
Issued by
NWS Green Bay, WI
Area
Counties, with a storm outline in the text

County Winnebago County, WI

The radar

The Green Bay radar (KGRB), 55 km from the middle of the area, began a volume at 00:51 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 54 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 190048
TORGRB
WIC139-190115-
/O.NEW.KGRB.TO.W.0034.050819T0048Z-050819T0115Z/

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

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN WINNEBAGO COUNTY IN EAST CENTRAL WISCONSIN

* UNTIL 815 PM CDT

* AT 746 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR
  LARSEN...OR ABOUT 9 MILES SOUTHWEST OF APPLETON...MOVING NORTHEAST
  AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  MENASHA...NEENAH AND NORTHERN LAKE WINNEBAGO BY 755 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 4412 8877 4406 8842 4424 8840 4424 8868

$$

KURIMSKI
2 follow-up statements
000 
WWUS53 KGRB 190101
SVSGRB

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

WIC139-190115-
/O.CON.KGRB.TO.W.0034.000000T0000Z-050819T0115Z/
WINNEBAGO WI-
758 PM CDT THU AUG 18 2005

...A TORNADO WARNING CONTINUES UNTIL 815 PM CDT FOR NORTHERN
WINNEBAGO COUNTY...

AT 755 PM...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED NEAR MENASHA...OR
ABOUT NEAR APPLETON...MOVING NORTHEAST AT 20 MPH.

THE STORM WILL BE NEAR MENASHA THROUGH 805 PM. TRAINED SPOTTERS
REPORTED A ROTATING WALL CLOUD NEAR MENASHA. ALTHOUGH NO TORNADO
WAS REPORTED...THIS STORM COULD PRODUCE A BRIEF TORNADO AT ANY
TIME. 

IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND 
TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF 
DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

CAMPERS AND OTHERS SHOULD SEEK SHELTER IN A STURDY BUILDING
IMMEDIATELY.

LAT...LON 4409 8854 4406 8842 4424 8840 4424 8854

$$

ECKBERG
000 
WWUS53 KGRB 190112
SVSGRB

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

WIC087-190130-
/O.CON.KGRB.TO.W.0035.000000T0000Z-050819T0130Z/
OUTAGAMIE WI-
812 PM CDT THU AUG 18 2005

...A TORNADO WARNING CONTINUES UNTIL 830 PM CDT FOR OUTAGAMIE
COUNTY...

AT 808 PM...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD.  THIS
TORNADO WAS LOCATED NEAR KIMBERLY...OR ABOUT NEAR APPLETON...MOVING
NORTHEAST AT 25 MPH.

THE TORNADO WILL BE NEAR...
  FREEDOM BY 820 PM...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4459 8871 4425 8871 4426 8820 4458 8820

$$

KURIMSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 7:45 PM CDTTornado WarningGRBOutagamie, Waupaca30 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.