Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 89, NWS Green Bay, WI

August 1, 2012Lincoln County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Aug 1, 2012, 2:19 PM CDT for Lincoln County, Wisconsin. It was in force for 41 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
Aug 1, 2012, 2:19 PM CDT (19:19 UTC)
Expired
Aug 1, 2012, 3:00 PM CDT
In force
41 min
Issued by
NWS Green Bay, WI
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Lincoln County, WI

The radar

The Green Bay radar (KGRB), 169 km from the middle of the area, began a volume at 19:21 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
Aug 1, 2:19 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.3 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 2012-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2012-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.193958Sfc1 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
1165 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

977 
WUUS53 KGRB 011919
SVRGRB
WIC069-012000-
/O.NEW.KGRB.SV.W.0089.120801T1919Z-120801T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
219 PM CDT WED AUG 1 2012

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

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

* UNTIL 300 PM CDT

* AT 216 PM 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 8 MILES
  SOUTHWEST OF TRIPOLI...OR 25 MILES NORTHEAST OF MEDFORD...AND
  MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TOMAHAWK AROUND 240 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE SPIRIT
FALLS...IRMA...OTIS...BLOOMVILLE...GLEASON...DUDLEY 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 4555 9005 4556 8943 4520 8944 4529 9005
TIME...MOT...LOC 1919Z 288DEG 37KT 4545 9005
WIND...HAIL 60MPH 1.00IN

$$

EB
3 follow-up statements
701 
WWUS53 KGRB 011933
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
233 PM CDT WED AUG 1 2012

WIC069-012000-
/O.CON.KGRB.SV.W.0089.000000T0000Z-120801T2000Z/
LINCOLN WI-
233 PM CDT WED AUG 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR LINCOLN COUNTY
UNTIL 300 PM CDT...

AT 231 PM 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 8 MILES
NORTH OF NEW WOOD WILDLIFE AREA...OR 28 MILES SOUTHWEST OF
RHINELANDER...MOVING EAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  TOMAHAWK AROUND 240 PM CDT.

OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE IRMA...
BLOOMVILLE...GLEASON...DUDLEY 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 4550 9001 4554 8943 4520 8944 4530 9004
TIME...MOT...LOC 1933Z 288DEG 37KT 4540 8986
WIND...HAIL 60MPH 1.00IN

$$

EB
319 
WWUS53 KGRB 011947
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
247 PM CDT WED AUG 1 2012

WIC069-012000-
/O.CON.KGRB.SV.W.0089.000000T0000Z-120801T2000Z/
LINCOLN WI-
247 PM CDT WED AUG 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR LINCOLN COUNTY
UNTIL 300 PM CDT...

AT 240 PM 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 6 MILES
SOUTH OF TOMAHAWK...OR 25 MILES SOUTHWEST OF RHINELANDER...MOVING
EAST AT 45 MPH.

AT 245 PM CDT A SHERIFF IN IRMA REPORTED PEA SIZE HAIL AND HEAVY 
RAINFALL.

THE SEVERE THUNDERSTORM WILL AFFECT THE FOLLOWING LOCATIONS 
IRMA...BLOOMVILLE...GLEASON AND DUDLEY.

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 4529 8998 4551 8988 4554 8943 4520 8944
TIME...MOT...LOC 1944Z 288DEG 37KT 4536 8971
WIND...HAIL 60MPH 1.00IN

$$

EB
329 
WWUS53 KGRB 011959
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
259 PM CDT WED AUG 1 2012

WIC069-012009-
/O.EXP.KGRB.SV.W.0089.000000T0000Z-120801T2000Z/
LINCOLN WI-
259 PM CDT WED AUG 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR LINCOLN COUNTY WILL EXPIRE AT
300 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.  HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4529 8998 4551 8988 4554 8943 4520 8944
TIME...MOT...LOC 1959Z 288DEG 37KT 4531 8950

$$

EB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 12:38 PM CDTSevere Thunderstorm WarningGRBVilas52 min
Aug 1, 2:58 PM CDTSevere Thunderstorm WarningGRBLanglade21 min
Aug 1, 5:20 PM CDTSevere Thunderstorm WarningGRBOneida, Vilas40 min
Aug 1, 6:00 PM CDTSevere Thunderstorm WarningGRBOneida, Vilas25 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.