Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 47, NWS Green Bay, WI

June 19, 2012Lincoln County, Marathon County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 19, 2012, 5:34 AM CDT for Lincoln County, Marathon County, Wisconsin. It was in force for 41 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, 5:34 AM CDT (10:34 UTC)
Expired
Jun 19, 2012, 6:15 AM CDT
In force
41 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 Green Bay radar (KGRB), 165 km from the middle of the area, began a volume at 10:37 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, 5:40 AM CDTTSTM WND DMG3 N Athens, WITREES DOWN AT INTERSECTION OF HWY 97 AND COUNTY HWY F
Jun 19, 6:10 AM CDTTSTM WND DMGMerrill, WITREES DOWN-TIME APPROXIMATE
Jun 19, 6:10 AM CDTTSTM WND DMGWausau, WITREES DOWN
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.

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 10.6 hours before the alert went out and 167 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.

156 
WUUS53 KGRB 191034
SVRGRB
WIC069-073-191115-
/O.NEW.KGRB.SV.W.0047.120619T1034Z-120619T1115Z/

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

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN LINCOLN COUNTY IN NORTH CENTRAL WISCONSIN...
  NORTHERN MARATHON COUNTY IN CENTRAL WISCONSIN...

* UNTIL 615 AM CDT

* AT 529 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  MEDFORD...AND MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MERRILL AROUND 610 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
ATHENS...HAMBURG AND PINE RIVER.

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 9020 4513 9019 4513 9005
      4532 9006 4535 8945 4481 8944 4480 9032
TIME...MOT...LOC 1034Z 259DEG 39KT 4509 9025
WIND...HAIL 60MPH 1.00IN

$$
KIECKBUSCH
1 follow-up statement
662 
WWUS53 KGRB 191100
SVSGRB

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

WIC069-073-191115-
/O.CON.KGRB.SV.W.0047.000000T0000Z-120619T1115Z/
LINCOLN WI-MARATHON WI-
600 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
MARATHON AND SOUTHERN LINCOLN COUNTIES UNTIL 615 AM CDT...

AT 554 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 13 MILES
WEST OF MERRILL...OR 19 MILES NORTHWEST OF WAUSAU...MOVING EAST AT 45
MPH. 

LOCATIONS IMPACTED INCLUDE...
  WAUSAU...RIB MOUNTAIN...MERRILL...WESTON...RIB MOUNTAIN STATE
  PARK...EVERGREEN...ROTHSCHILD AND BROKAW.

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 4480 9032 4481 9032 4513 9005 4532 9006
      4535 8945 4481 8944
TIME...MOT...LOC 1059Z 259DEG 39KT 4514 8987
WIND...HAIL 60MPH 1.00IN

$$

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, 6:14 AM CDTSevere Thunderstorm WarningGRBLanglade, Lincoln, Marathon, Menominee, Shawano46 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.