Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 13, NWS Green Bay, WI

July 6, 2014Oneida County, Vilas County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jul 6, 2014, 5:41 PM CDT for Oneida County, Vilas County, Wisconsin. It was in force for 49 min. 3 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: Jul 6, 2014, 5:41 PM CDT (22:41 UTC)
Expired: Jul 6, 2014, 6:30 PM CDT
In force: 49 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Oneida County, WI, Vilas County, WI

The radar

The Marquette radar (KMQT), 190 km from the middle of the area, began a volume at 22:44 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

Time	Report	Where	Remark
Jul 6, 5:59 PM CDT	TSTM WND DMG	Lac Du Flambeau, WI	TREES DOWN
Jul 6, 6:15 PM CDT	HAIL 0.25	Arbor Vitae, WI	PEA SIZE HAIL AND GUSTY WINDS. REPORT VIA SOCIAL MEDIA.
Jul 6, 6:26 PM CDT	HAIL 0.25	Lake Tomahawk, WI

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 12:00Z, 10.7 hours before the alert went out and 209 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 708 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 139 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.

128 
WUUS53 KGRB 062241
SVRGRB
WIC085-125-062330-
/O.NEW.KGRB.SV.W.0013.140706T2241Z-140706T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
541 PM CDT SUN JUL 6 2014

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ONEIDA COUNTY IN NORTH CENTRAL WISCONSIN...
  SOUTHWESTERN VILAS COUNTY IN NORTH CENTRAL WISCONSIN...

* UNTIL 630 PM CDT

* AT 538 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LAC DU
  FLAMBEAU...AND MOVING SOUTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
           ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  RHINELANDER...LAC DU FLAMBEAU...SQUIRREL LAKE...WILLOW RESERVOIR...
  WOODBORO...WOODRUFF...ARBOR VITAE...MINOCQUA...HAZELHURST...LAKE
  TOMAHAWK...ST GERMAIN...GOODNOW...HARSHAW...MC NAUGHTON AND SUGAR
  CAMP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4595 9005 4599 9003 4599 8994 4604 8994
      4605 8993 4588 8921 4555 8941 4571 9005
TIME...MOT...LOC 2241Z 302DEG 34KT 4594 8994

HAIL...1.00IN
WIND...60MPH

$$

TDH

3 follow-up statements

633 
WWUS53 KGRB 062302
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
602 PM CDT SUN JUL 6 2014

WIC085-125-062330-
/O.CON.KGRB.SV.W.0013.000000T0000Z-140706T2330Z/
ONEIDA WI-VILAS WI-
602 PM CDT SUN JUL 6 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
VILAS AND ONEIDA COUNTIES UNTIL 630 PM CDT...

AT 556 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES EAST OF
SQUIRREL LAKE...AND MOVING SOUTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE...LAW ENFORCEMENT...AT 600 PM CDT...DISPATCH REPORTED DOWNED 
TREES IN LAC DU FLAMBEAU.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
         ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
RHINELANDER...WOODBORO...MINOCQUA...HAZELHURST...LAKE TOMAHAWK...ST
GERMAIN...GOODNOW...HARSHAW...MC NAUGHTON AND SUGAR CAMP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

IF ON OR NEAR THE WATER...GET AWAY FROM THE WATER AND MOVE TO 
SHELTER. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK 
BY LIGHTNING. BOATS CAN BE SWAMPED BY LARGE CAPSIZING WAVES...EVEN 
ON SMALL BODIES OF WATER. MOVE INTO DOCK AND SEEK SAFE SHELTER NOW.

IF OUTDOORS...MOVE SEEK SHELTER INSIDE A STURDY SHELTER IMMEDIATELY

&&

LAT...LON 4590 9005 4596 8994 4600 8974 4588 8921
      4555 8941 4571 9005
TIME...MOT...LOC 2300Z 302DEG 34KT 4584 8972

HAIL...1.00IN
WIND...60MPH

$$

ALLEN

754 
WWUS53 KGRB 062319
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
619 PM CDT SUN JUL 6 2014

WIC085-125-062330-
/O.CON.KGRB.SV.W.0013.000000T0000Z-140706T2330Z/
ONEIDA WI-VILAS WI-
619 PM CDT SUN JUL 6 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
VILAS AND ONEIDA COUNTIES UNTIL 630 PM CDT...

AT 615 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES NORTHWEST
OF RHINELANDER...AND MOVING SOUTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE...LAW ENFORCEMENT. AT 600PM...DISPATCH REPORTED DOWNED TREES 
IN LAC DU FLAMBEAU.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
         ROOFS...SIDING AND TREES.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  RHINELANDER AROUND 630 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

IF ON OR NEAR THE WATER...GET AWAY FROM THE WATER AND MOVE TO 
SHELTER. IF  YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE 
STRUCK BY LIGHTNING. BOATS CAN BE SWAMPED BY LARGE CAPSIZING 
WAVES...EVEN ON SMALL BODIES OF WATER. MOVE INTO DOCK AND SEEK SAFE 
SHELTER NOW.

IF OUTDOORS...TAKE SHELTER IN A STURDY STURDY BUILDING IMMEDIATELY.

&&

LAT...LON 4590 9005 4591 9003 4596 8994 4600 8974
      4588 8921 4555 8941 4571 9005
TIME...MOT...LOC 2318Z 302DEG 34KT 4575 8951

HAIL...1.00IN
WIND...60MPH

$$

ALLEN

203 
WWUS53 KGRB 062326
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
626 PM CDT SUN JUL 6 2014

WIC085-125-062336-
/O.EXP.KGRB.SV.W.0013.000000T0000Z-140706T2330Z/
ONEIDA WI-VILAS WI-
626 PM CDT SUN JUL 6 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN VILAS AND ONEIDA
COUNTIES WILL EXPIRE AT 630 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
 HOWEVER...SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

LAT...LON 4590 9005 4591 9003 4596 8994 4600 8974
      4588 8921 4555 8941 4571 9005
TIME...MOT...LOC 2326Z 302DEG 34KT 4571 8942

$$

ALLEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 4:01 AM CDT	Beach Hazards Statement	GRB	Door, Kewaunee, Manitowoc	18 hr
Jul 6, 4:57 PM CDT	Severe Thunderstorm Warning	GRB	Vilas	63 min
Jul 6, 6:55 PM CDT	Severe Thunderstorm Warning	GRB	Oneida	50 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2014 Every severe thunderstorm warning in 2014

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.