Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 33, NWS Green Bay, WI

June 18, 2012Lincoln County, Marathon County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 18, 2012, 2:14 PM CDT for Lincoln County, Marathon County, Wisconsin. It was in force for 46 min. 2 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 18, 2012, 2:14 PM CDT (19:14 UTC)
Expired
Jun 18, 2012, 3:00 PM CDT
In force
46 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Lincoln County, WI, Marathon County, WI

The radar

The La Crosse radar (KARX), 160 km from the middle of the area, began a volume at 19:17 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 18, 2:25 PM CDTHAIL 13 E Colby, WI
Jun 18, 2:27 PM CDTHAIL 15 E Abbotsford, WI42 MPH WIND GUST

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 18, 12:24 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.2 hours before the alert went out and 171 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 12:00Z on 2012-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 67 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2012-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 382 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
67 J/kg
Mixed-layer CIN
-387 J/kg
Mixed-layer LCL
1455 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
382 m²/s²
0-3 km storm-relative helicity
524 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

914 
WUUS53 KGRB 181914
SVRGRB
WIC069-073-182000-
/O.NEW.KGRB.SV.W.0033.120618T1914Z-120618T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
214 PM CDT MON JUN 18 2012

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN LINCOLN COUNTY IN NORTH CENTRAL WISCONSIN...
  WESTERN MARATHON COUNTY IN CENTRAL WISCONSIN...

* UNTIL 300 PM CDT

* AT 209 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL OR      
  LARGER...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS   
  LOCATED 11MILES SOUTHWEST OF ABBOTSFORD...OR 21 MILES SOUTH OF     
  MEDFORD...AND MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ABBOTSFORD AROUND 220 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE UNITY...
COLBY...MILAN...ATHENS...EDGAR...PONIATOWSKI...RIB FALLS...MARATHON
CITY...HAMBURG AND LITTLE CHICAGO.

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 4503 9032 4504 9031 4504 9020 4512 9020
      4513 9019 4512 9005 4516 9005 4524 8970
      4483 8964 4468 9031
TIME...MOT...LOC 1913Z 249DEG 39KT 4486 9042
WIND...HAIL 60MPH 1.00IN

$$

EB
4 follow-up statements
738 
WWUS53 KGRB 181919
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
219 PM CDT MON JUN 18 2012

WIC069-073-182000-
/O.CON.KGRB.SV.W.0033.000000T0000Z-120618T2000Z/
LINCOLN WI-MARATHON WI-
219 PM CDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
MARATHON AND SOUTHWESTERN LINCOLN COUNTIES UNTIL 300 PM CDT...

AT 217 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...
AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 5
MILES SOUTHWEST OF ABBOTSFORD...OR 18 MILES SOUTH OF MEDFORD...MOVING
EAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT SOUTHWESTERN LINCOLN AND WESTERN 
MARATHON COUNTIES...INCLUDING THE FOLLOWING LOCATIONS 
MILAN...EDGAR...PONIATOWSKI...RIB FALLS...MARATHON CITY...HAMBURG 
AND LITTLE CHICAGO.

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.

THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 4503 9032 4504 9031 4504 9020 4512 9020
      4513 9019 4512 9005 4516 9005 4524 8970
      4483 8964 4468 9031
TIME...MOT...LOC 1918Z 249DEG 39KT 4488 9035
WIND...HAIL 70MPH 1.50IN

$$

EB
464 
WWUS53 KGRB 181926
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
226 PM CDT MON JUN 18 2012

WIC069-073-182000-
/O.CON.KGRB.SV.W.0033.000000T0000Z-120618T2000Z/
LINCOLN WI-MARATHON WI-
226 PM CDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
MARATHON AND SOUTHWESTERN LINCOLN COUNTIES UNTIL 300 PM CDT...

AT 222 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
ABBOTSFORD...OR 17 MILES SOUTH OF MEDFORD...MOVING EAST AT 45 MPH.

THE MARATHON COUNTY EMERGENCY MANAGER REPORTED GOLF BALL HAIL IN 
COLBY AT 222 PM CDT.

THE SEVERE THUNDERSTORM WILL AFFECT AREAS OF SOUTHWESTERN LINCOLN 
AND WESTERN MARATHON COUNTIES...INCLUDING THE FOLLOWING LOCATIONS 
MILAN...EDGAR...PONIATOWSKI...RIB FALLS...MARATHON CITY...HAMBURG 
AND LITTLE CHICAGO.

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.

THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 4503 9032 4504 9031 4504 9020 4512 9020
      4513 9019 4512 9005 4516 9005 4524 8970
      4483 8964 4468 9031
TIME...MOT...LOC 1925Z 249DEG 39KT 4491 9025
WIND...HAIL 70MPH 1.75IN

$$

EB
610 
WWUS53 KGRB 181936
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
236 PM CDT MON JUN 18 2012

WIC069-073-182000-
/O.CON.KGRB.SV.W.0033.000000T0000Z-120618T2000Z/
LINCOLN WI-MARATHON WI-
236 PM CDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
MARATHON AND SOUTHWESTERN LINCOLN COUNTIES UNTIL 300 PM CDT...

AT 230 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8
MILES EAST OF ABBOTSFORD...OR 18 MILES SOUTHEAST OF MEDFORD...MOVING
EAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT AREAS OF SOUTHWESTERN LINCOLN 
AND WESTERN MARATHON COUNTIES...INCLUDING THE FOLLOWING LOCATIONS 
EDGAR...PONIATOWSKI...RIB FALLS...MARATHON CITY AND LITTLE CHICAGO.

A COOP OBSERVER REPORTED QUARTER SIZE HAIL 5 MILES EAST OF 
ABBOTSFORD AT 227 PM CDT.

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.

THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 4503 9032 4504 9031 4504 9020 4512 9020
      4513 9019 4512 9005 4516 9005 4524 8970
      4483 8964 4468 9031
TIME...MOT...LOC 1935Z 249DEG 39KT 4494 9009
WIND...HAIL 60MPH 1.50IN

$$

EB
618 
WWUS53 KGRB 181953
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
253 PM CDT MON JUN 18 2012

WIC069-073-182000-
/O.CON.KGRB.SV.W.0033.000000T0000Z-120618T2000Z/
LINCOLN WI-MARATHON WI-
253 PM CDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
MARATHON AND SOUTHWESTERN LINCOLN COUNTIES UNTIL 300 PM CDT...

AT 248 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...
AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 12
MILES NORTHWEST OF RIB MOUNTAIN...OR 14 MILES WEST OF WAUSAU...MOVING
EAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT PONIATOWSKI...MARATHON CITY AND 
LITTLE CHICAGO.

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.

THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 4503 9032 4504 9031 4504 9020 4512 9020
      4513 9019 4512 9005 4516 9005 4524 8970
      4483 8964 4468 9031
TIME...MOT...LOC 1952Z 249DEG 39KT 4501 8985
WIND...HAIL 70MPH 1.50IN

$$

EB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 4:03 AM CDTSpecial Marine WarningGRB87 min
Jun 18, 1:34 PM CDTSevere Thunderstorm WarningGRBLanglade, Lincoln, Oneida56 min
Jun 18, 2:28 PM CDTSevere Thunderstorm WarningGRBForest, Langlade, Lincoln, Oconto47 min
Jun 18, 2:58 PM CDTSevere Thunderstorm WarningGRBMarathon47 min
Jun 18, 3:22 PM CDTTornado WarningGRBMarathon23 min
Jun 18, 3:28 PM CDTSevere Thunderstorm WarningGRBMenominee, Portage, Shawano, Waupaca47 min
Jun 18, 3:41 PM CDTTornado WarningGRBLanglade, Marathon, Menominee, Shawano34 min
Jun 18, 3:44 PM CDTSevere Thunderstorm WarningGRBMarinette31 min
Jun 18, 3:47 PM CDTSpecial Marine WarningGRB88 min
Jun 18, 3:48 PM CDTSevere Thunderstorm WarningGRBMarathon, Shawano42 min
Jun 18, 3:55 PM CDTSevere Thunderstorm WarningGRBOutagamie, Portage, Shawano, Waupaca41 min
Jun 18, 3:58 PM CDTSevere Thunderstorm WarningGRBMarinette, Oconto47 min
Jun 18, 4:07 PM CDTSevere Thunderstorm WarningGRBLanglade, Menominee, Shawano20 min
Jun 18, 4:19 PM CDTTornado WarningGRBMarinette, Oconto26 min
Jun 18, 4:45 PM CDTSpecial Marine WarningGRB90 min
Jun 18, 4:51 PM CDTSevere Thunderstorm WarningGRBCalumet, Winnebago39 min
Jun 18, 5:12 PM CDTSpecial Marine WarningGRB75 min
Jun 18, 5:30 PM CDTSevere Thunderstorm WarningGRBBrown, Calumet, Manitowoc, Outagamie, Winnebago45 min
Jun 18, 5:31 PM CDTSpecial Marine WarningGRB89 min
Jun 18, 6:08 PM CDTSevere Thunderstorm WarningGRBCalumet, Manitowoc, Winnebago37 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.