Alert archive / Wisconsin / Tornado Warnings in 2012

Tornado Warning 3, NWS Green Bay, WI

May 24, 2012Langlade County, Lincoln County, Wisconsin

NWS Green Bay, WI issued this tornado warning at May 24, 2012, 7:20 PM CDT for Langlade County, Lincoln County, Wisconsin. It was in force for 25 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
May 24, 2012, 7:20 PM CDT (00:20 UTC)
Expired
May 24, 2012, 7:45 PM CDT
In force
25 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon

Counties Langlade County, WI, Lincoln County, WI

The radar

The Green Bay radar (KGRB), 125 km from the middle of the area, began a volume at 00:23 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 watch it was issued in

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

IssuedProductOfficeLasted
May 24, 2:22 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.3 hours before the alert went out and 127 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 2012-05-25Temperature 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°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 2012-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 313 square meters per square second.19395878Sfc1 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
2474 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
313 m²/s²
0-3 km storm-relative helicity
468 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.

479 
WFUS53 KGRB 250020
TORGRB
WIC067-069-250045-
/O.NEW.KGRB.TO.W.0003.120525T0020Z-120525T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
720 PM CDT THU MAY 24 2012

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

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

* UNTIL 745 PM CDT

* AT 718 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 8 MILES
  NORTH OF WAUSAU. DOPPLER RADAR SHOWED THIS TORNADO MOVING NORTHEAST
  AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PEARSON...DOERING...DEERBROOK...NEVA...KEMPSTER...SUMMIT LAKE...
  POST LAKE AND ELCHO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4547 8922 4546 8892 4538 8893 4538 8882
      4512 8930 4512 8970
TIME...MOT...LOC 0020Z 230DEG 56KT 4509 8954

$$

TH
3 follow-up statements
041 
WWUS53 KGRB 250034
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
734 PM CDT THU MAY 24 2012

WIC067-069-250045-
/O.CON.KGRB.TO.W.0003.000000T0000Z-120525T0045Z/
LANGLADE WI-LINCOLN WI-
734 PM CDT THU MAY 24 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN LINCOLN AND
LANGLADE COUNTIES UNTIL 745 PM CDT...

AT 727 PM CDT...THE SEVERE THUNDERSTORM WHICH PRODUCED A TORNADO 
OVER MARATHON COUNTY IS NOW LOCATED IS LOCATED 11 MILES EAST OF 
MERRILL...OR 15 MILES WEST OF ANTIGO...MOVING NORTHEAST AT 50 MPH.
THERE HAVE BEEN NO REPORTS OF TORNADOES IN LINCOLN COUNTY SO FAR.

LOCATIONS IMPACTED INCLUDE...
  PEARSON...DEERBROOK...NEVA...KEMPSTER...SUMMIT LAKE...ELCHO...POST
  LAKE AND PICKEREL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO WAS PREVIOUSLY ON THE GROUND. 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 4547 8922 4546 8892 4538 8893 4538 8882
      4512 8930 4512 8970
TIME...MOT...LOC 0032Z 224DEG 56KT 4526 8937

$$

TH
601 
WWUS53 KGRB 250036
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
736 PM CDT THU MAY 24 2012

WIC069-250045-
/O.CAN.KGRB.TO.W.0003.000000T0000Z-120525T0045Z/
LINCOLN WI-
736 PM CDT THU MAY 24 2012

...THE TORNADO WARNING FOR SOUTHEASTERN LINCOLN COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4547 8922 4546 8892 4537 8893 4515 8937
      4519 8942 4532 8943
TIME...MOT...LOC 0035Z 224DEG 56KT 4529 8932

$$

WIC067-250045-
/O.CON.KGRB.TO.W.0003.000000T0000Z-120525T0045Z/
LANGLADE WI-
736 PM CDT THU MAY 24 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN LANGLADE
COUNTY UNTIL 745 PM CDT...

AT 731 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 11 MILES SOUTH OF PARRISH...OR 13 MILES NORTHWEST
OF ANTIGO...MOVING NORTHEAST AT 50 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHWESTERN
LANGLADE COUNTY...INCLUDING THE FOLLOWING LOCATIONS SUMMIT LAKE...
ELCHO AND POST LAKE.

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 4547 8922 4546 8892 4537 8893 4515 8937
      4519 8942 4532 8943
TIME...MOT...LOC 0035Z 224DEG 56KT 4529 8932

$$

TH
227 
WWUS53 KGRB 250040
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
740 PM CDT THU MAY 24 2012

WIC067-250050-
/O.EXP.KGRB.TO.W.0003.000000T0000Z-120525T0045Z/
LANGLADE WI-
740 PM CDT THU MAY 24 2012

...THE TORNADO WARNING FOR NORTHWESTERN LANGLADE COUNTY WILL EXPIRE
AT 745 PM CDT...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA.

LAT...LON 4547 8922 4546 8892 4537 8893 4515 8937
      4519 8942 4532 8943
TIME...MOT...LOC 0040Z 224DEG 56KT 4535 8924

$$

TH

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 7:03 PM CDTTornado WarningGRBMarathon27 min
May 24, 7:32 PM CDTSevere Thunderstorm WarningGRBForest, Langlade, Oneida29 min
May 24, 7:49 PM CDTSevere Thunderstorm WarningGRBMarathon, Portage, Shawano, Waupaca, Waushara, Wood41 min
May 24, 8:29 PM CDTSevere Thunderstorm WarningGRBLanglade, Menominee, Oconto, Shawano, Waupaca35 min

Nearby

Tornado Warnings in Wisconsin, 2012Every tornado warning in 2012Tornadoes in 2012

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.