Alert archive / Wisconsin / Tornado Warnings in 2013

Tornado Warning 8, NWS Green Bay, WI

August 29, 2013Langlade County, Lincoln County, Marathon County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Aug 29, 2013, 10:05 PM CDT for Langlade County, Lincoln County, Marathon County, Wisconsin. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 29, 2013, 10:05 PM CDT (03:05 UTC)
Expired: Aug 29, 2013, 10:45 PM CDT
In force: 40 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

Counties Langlade County, WI, Lincoln County, WI, Marathon County, WI

The radar

The Green Bay radar (KGRB), 122 km from the middle of the area, began a volume at 03:07 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.

What was reported inside it

Time	Report	Where	Remark
Aug 29, 10:40 PM CDT	TSTM WND DMG	Antigo, WI	THREE TO FOUR INCH DIAMETER BRANCHES DOWN IN YARD ON THE SOUTH SIDE OF ANTIGO. REPORTS RELAYED BY WSAW-TV.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Aug 29, 8:20 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.1 hours before the alert went out and 125 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: 963 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 1215 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

869 
WFUS53 KGRB 300305
TORGRB
WIC067-069-073-300345-
/O.NEW.KGRB.TO.W.0008.130830T0305Z-130830T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
1005 PM CDT THU AUG 29 2013

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN LANGLADE COUNTY IN NORTH CENTRAL WISCONSIN...
  SOUTHEASTERN LINCOLN COUNTY IN NORTH CENTRAL WISCONSIN...
  NORTHEASTERN MARATHON COUNTY IN CENTRAL WISCONSIN...

* UNTIL 1045 PM CDT

* AT 1002 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 10 MILES EAST OF MERRILL...AND MOVING EAST AT
  30 MPH.

  HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
           ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS
           WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS
           LIKELY.

* THIS DANGEROUS STORM WILL BE NEAR...
  ANTIGO AROUND 1035 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE ORMSBY...DEERBROOK...KEMPSTER
AND NEVA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4534 8901 4505 8904 4512 8962 4540 8956
TIME...MOT...LOC 0305Z 267DEG 25KT 4521 8945

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

ECKBERG

5 follow-up statements

244 
WWUS53 KGRB 300310
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1010 PM CDT THU AUG 29 2013

WIC067-069-073-300345-
/O.CON.KGRB.TO.W.0008.000000T0000Z-130830T0345Z/
LANGLADE WI-LINCOLN WI-MARATHON WI-
1010 PM CDT THU AUG 29 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN MARATHON...
SOUTHEASTERN LINCOLN AND WESTERN LANGLADE COUNTIES UNTIL 1045 PM
CDT...

AT 1007 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 12 MILES EAST OF MERRILL...AND MOVING EAST AT 30 MPH.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
         ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
         BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.

THIS DANGEROUS STORM WILL BE NEAR...
  ANTIGO AROUND 1035 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE ORMSBY...DEERBROOK...KEMPSTER
AND NEVA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4534 8901 4505 8904 4512 8962 4540 8956
TIME...MOT...LOC 0309Z 267DEG 25KT 4521 8942

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

ECKBERG

995 
WWUS53 KGRB 300318
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1018 PM CDT THU AUG 29 2013

WIC067-069-073-300345-
/O.CON.KGRB.TO.W.0008.000000T0000Z-130830T0345Z/
LANGLADE WI-LINCOLN WI-MARATHON WI-
1018 PM CDT THU AUG 29 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN MARATHON...
SOUTHEASTERN LINCOLN AND SOUTHWESTERN LANGLADE COUNTIES UNTIL 1045 PM
CDT...

AT 1015 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 11 MILES WEST OF ANTIGO...AND MOVING EAST AT 30 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
         ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
         BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.

THIS DANGEROUS STORM WILL BE NEAR...
  ANTIGO AROUND 1045 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4528 8945 4527 8902 4505 8904 4512 8962
TIME...MOT...LOC 0318Z 286DEG 21KT 4516 8936

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

ECKBERG

604 
WWUS53 KGRB 300325
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1025 PM CDT THU AUG 29 2013

WIC069-073-300335-
/O.CAN.KGRB.TO.W.0008.000000T0000Z-130830T0345Z/
LINCOLN WI-MARATHON WI-
1025 PM CDT THU AUG 29 2013

...THE TORNADO WARNING FOR NORTHEASTERN MARATHON AND SOUTHEASTERN
LINCOLN COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING MOVED EAST INTO LANGLADE 
COUNTY.

LAT...LON 4528 8941 4527 8902 4505 8904 4508 8923
      4512 8923 4512 8940 4512 8942
TIME...MOT...LOC 0325Z 286DEG 21KT 4513 8929

$$

WIC067-300345-
/O.CON.KGRB.TO.W.0008.000000T0000Z-130830T0345Z/
LANGLADE WI-
1025 PM CDT THU AUG 29 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN LANGLADE
COUNTY UNTIL 1045 PM CDT...

AT 1022 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 8 MILES WEST OF ANTIGO...AND MOVING EAST AT 25 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
         ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
         BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.

THIS DANGEROUS STORM WILL BE NEAR...
  ANTIGO AROUND 1040 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4528 8941 4527 8902 4505 8904 4508 8923
      4512 8923 4512 8940 4512 8942
TIME...MOT...LOC 0325Z 286DEG 21KT 4513 8929

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

ECKBERG

077 
WWUS53 KGRB 300333
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1033 PM CDT THU AUG 29 2013

WIC067-300345-
/O.CON.KGRB.TO.W.0008.000000T0000Z-130830T0345Z/
LANGLADE WI-
1033 PM CDT THU AUG 29 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL LANGLADE
COUNTY UNTIL 1045 PM CDT...

AT 1030 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR ANTIGO...AND MOVING EAST AT 25 MPH.

HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
         ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
         BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF SOUTH CENTRAL
LANGLADE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4522 8927 4523 8903 4505 8904 4508 8923
      4512 8923 4512 8934
TIME...MOT...LOC 0333Z 286DEG 21KT 4512 8918

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

ECKBERG

802 
WWUS53 KGRB 300340
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1040 PM CDT THU AUG 29 2013

WIC067-300349-
/O.EXP.KGRB.TO.W.0008.000000T0000Z-130830T0345Z/
LANGLADE WI-
1040 PM CDT THU AUG 29 2013

...THE TORNADO WARNING FOR SOUTH CENTRAL LANGLADE COUNTY WILL EXPIRE
AT 1045 PM CDT...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT 
FOR THE AREA. A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
SOUTHERN LANGLADE COUNTY UNTIL 1115 PM. 

LAT...LON 4522 8927 4523 8903 4505 8904 4508 8923
      4512 8923 4512 8934
TIME...MOT...LOC 0339Z 286DEG 21KT 4511 8913

$$

ECKBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 29, 8:49 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Oneida	56 min
Aug 29, 8:54 PM CDT	Areal Flood Advisory	GRB	Lincoln, Oneida	6 hr
Aug 29, 9:44 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Marathon	46 min
Aug 29, 10:20 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Marathon, Menominee, Shawano	55 min
Aug 30, 12:02 AM CDT	Severe Thunderstorm Warning	GRB	Brown, Oconto, Shawano	43 min
Aug 30, 12:06 AM CDT	Special Marine Warning	GRB		84 min

Nearby

Tornado Warnings in Wisconsin, 2013 Every tornado warning in 2013 Tornadoes in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.