Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 48, NWS Green Bay, WI

June 19, 20125 counties in Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 19, 2012, 6:14 AM CDT for 5 counties in Wisconsin. It was in force for 46 min. 4 reports 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
Jun 19, 2012, 6:14 AM CDT (11:14 UTC)
Expired
Jun 19, 2012, 7:00 AM CDT
In force
46 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Langlade County, WI, Lincoln County, WI, Marathon County, WI, Menominee County, WI, Shawano County, WI

The radar

The Green Bay radar (KGRB), 121 km from the middle of the area, began a volume at 11:16 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

TimeReportWhereRemark
Jun 19, 6:15 AM CDTTSTM WND DMG1 E Wausau, WIDOWNED BARN AND DAMAGED GARDEN ON EAST SIDE OF WAUSAU OFF OF HWY Z. RELAYED BY WSAW.
Jun 19, 6:30 AM CDTTSTM WND DMGBryant, WI16 INCH TREE SNAPPED IN HALF. RELAYED BY WSAW.
Jun 19, 6:35 AM CDTTSTM WND DMG1 N Antigo, WINUMERIOUS LARGE TREES DOWN NORTH OF CITY ON HWY 45 AND COUNTY RD AA
Jun 19, 6:55 AM CDTTSTM WND DMGWhite Lake, WINUMEROUS LARGE PINE TREES DOWN. ONE TREE KNOCKED OUT POWERLINE.

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.

IssuedProductOfficeLasted
Jun 19, 5:41 AM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 11.2 hours before the alert went out and 123 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 2012-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1546 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
1546 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
1.7
Supercell composite
8.5

Open this sounding in Storm Lab

The text

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

064 
WUUS53 KGRB 191114
SVRGRB
WIC067-069-073-078-115-191200-
/O.NEW.KGRB.SV.W.0048.120619T1114Z-120619T1200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
614 AM CDT TUE JUN 19 2012

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LANGLADE COUNTY IN NORTH CENTRAL WISCONSIN...
  SOUTHEASTERN LINCOLN COUNTY IN NORTH CENTRAL WISCONSIN...
  NORTHEASTERN MARATHON COUNTY IN CENTRAL WISCONSIN...
  WESTERN MENOMINEE COUNTY IN NORTHEAST WISCONSIN...
  SHAWANO COUNTY IN NORTHEAST WISCONSIN...

* UNTIL 700 AM CDT

* AT 612 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES SOUTHEAST OF MERRILL...
  OR 13 MILES NORTH OF WAUSAU...AND MOVING EAST AT 50 MPH. PENNY SIZE
  HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* LOCATIONS IMPACTED INCLUDE...
  ANTIGO...WITTENBERG...PEARSON...NEOPIT...WHITE LAKE...GLEASON...
  RINGLE AND DOERING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4533 8982 4537 8868 4478 8869 4481 8985
TIME...MOT...LOC 1114Z 263DEG 45KT 4513 8950
WIND...HAIL 60MPH 0.75IN

$$

SKOWRONSKI
3 follow-up statements
508 
WWUS53 KGRB 191126
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
626 AM CDT TUE JUN 19 2012

WIC067-069-073-078-115-191200-
/O.CON.KGRB.SV.W.0048.000000T0000Z-120619T1200Z/
LANGLADE WI-LINCOLN WI-MARATHON WI-MENOMINEE WI-SHAWANO WI-
626 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SHAWANO...
WESTERN MENOMINEE...NORTHEASTERN MARATHON...SOUTHEASTERN LINCOLN AND
LANGLADE COUNTIES UNTIL 700 AM CDT...

AT 621 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LARGE CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING 
WINDS IN EXCESS OF 60 MPH.  THIS CLUSTER WAS CENTERED 11 MILES WEST 
OF ANTIGO...MOVING EAST AT 50 MPH. PENNY SIZE HAIL MAY ALSO 
ACCOMPANY THESE DAMAGING WINDS.

WIND GUSTS AROUND 50 MPH WERE REPORTED IN THE WAUSAU AREA.

LOCATIONS IMPACTED INCLUDE...
  ANTIGO...WITTENBERG...NEOPIT...WHITE LAKE...ELAND...ANIWA...
  BIRNAMWOOD AND ELMHURST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4534 8968 4537 8868 4478 8869 4481 8985
TIME...MOT...LOC 1125Z 263DEG 45KT 4515 8931
WIND...HAIL 60MPH 0.75IN

$$

SKOWRONSKI
414 
WWUS53 KGRB 191135
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
635 AM CDT TUE JUN 19 2012

WIC067-069-073-078-115-191200-
/O.CON.KGRB.SV.W.0048.000000T0000Z-120619T1200Z/
LANGLADE WI-LINCOLN WI-MARATHON WI-MENOMINEE WI-SHAWANO WI-
635 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SHAWANO...
WESTERN MENOMINEE...NORTHEASTERN MARATHON...SOUTHEASTERN LINCOLN AND
LANGLADE COUNTIES UNTIL 700 AM CDT...

AT 630 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED NEAR ANTIGO...MOVING EAST AT 55 MPH.
PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

DAMAGING WINDS ARE POSSIBLE IN THE ANTIGO AREA...ESPECIALLY ON THE 
SOUTH SIDE OF THE CITY...BETWEEN 635 AM AND 650 AM.

LOCATIONS IMPACTED INCLUDE...
  NEOPIT...WHITE LAKE...SHEPLEY...NEVA...MATTOON...PHLOX...BRYANT AND
  POLAR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4534 8968 4537 8868 4478 8869 4481 8985
TIME...MOT...LOC 1134Z 267DEG 47KT 4515 8913
WIND...HAIL 60MPH 0.75IN

$$

SKOWRONSKI
323 
WWUS53 KGRB 191145
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
645 AM CDT TUE JUN 19 2012

WIC069-191153-
/O.CAN.KGRB.SV.W.0048.000000T0000Z-120619T1200Z/
LINCOLN WI-
645 AM CDT TUE JUN 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LINCOLN COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF SOUTHEAST 
LINCOLN COUNTY.

LAT...LON 4512 8936 4524 8943 4534 8942 4537 8868
      4478 8869 4481 8963
TIME...MOT...LOC 1143Z 267DEG 47KT 4515 8896

$$

WIC067-073-078-115-191200-
/O.CON.KGRB.SV.W.0048.000000T0000Z-120619T1200Z/
LANGLADE WI-MARATHON WI-MENOMINEE WI-SHAWANO WI-
645 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SHAWANO...
WESTERN MENOMINEE...NORTHEASTERN MARATHON AND LANGLADE COUNTIES UNTIL
700 AM CDT...

AT 640 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 6 MILES EAST OF ANTIGO...MOVING EAST
AT 55 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  NEOPIT...WHITE LAKE...TILLEDA...ELTON...LILY...MORGAN...LYNDHURST
  AND GRESHAM.

THE STORM RESULTED IN DOWNED TREES AND POWER LINES ACROSS THE 
NORTHERN PART OF MARATHON COUNTY...AND IN THE MERRILL AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4512 8936 4524 8943 4534 8942 4537 8868
      4478 8869 4481 8963
TIME...MOT...LOC 1143Z 267DEG 47KT 4515 8896
WIND...HAIL 60MPH 0.75IN

$$

SKOWRONSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 7:03 PM CDTSevere Thunderstorm WarningGRBManitowoc15 min
Jun 18, 7:14 PM CDTSpecial Marine WarningGRB61 min
Jun 18, 7:31 PM CDTSevere Thunderstorm WarningGRBManitowoc21 min
Jun 19, 5:34 AM CDTSevere Thunderstorm WarningGRBLincoln, Marathon41 min
Jun 19, 6:51 AM CDTSevere Thunderstorm WarningGRBForest, Langlade, Marathon, Marinette, Menominee, Oconto and 1 more39 min
Jun 19, 7:09 AM CDTSpecial Marine WarningGRB111 min
Jun 19, 7:24 AM CDTSevere Thunderstorm WarningGRBMarinette, Menominee, Oconto, Shawano51 min
Jun 19, 8:28 AM CDTSevere Thunderstorm WarningGRBDoor32 min
Jun 19, 8:52 AM CDTSpecial Marine WarningGRB48 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.