Alert archive / Wisconsin / Tornado Warnings in 2017

Tornado Warning 5, NWS Green Bay, WI

June 11, 2017Langlade County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jun 11, 2017, 12:17 PM CDT for Langlade County, Wisconsin. It was in force for 28 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 11, 2017, 12:17 PM CDT (17:17 UTC)
Expired: Jun 11, 2017, 12:45 PM CDT
In force: 28 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Langlade County, WI

The radar

The Green Bay radar (KGRB), 115 km from the middle of the area, began a volume at 17:18 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
Jun 11, 12:27 PM CDT	TSTM WND DMG	Antigo, WI	TREES AND POWERLINES DOWN IN THE CITY.
Jun 11, 12:28 PM CDT	TSTM WND GST 49	Antigo, WI

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.

Issued	Product	Office	Lasted
Jun 11, 10:39 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 5.3 hours before the alert went out and 117 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: 364 J/kg
Mixed-layer CIN: -366 J/kg
Mixed-layer LCL: 1105 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 179 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

630 
WFUS53 KGRB 111717
TORGRB
WIC067-111745-
/O.NEW.KGRB.TO.W.0005.170611T1717Z-170611T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Green Bay WI
1217 PM CDT SUN JUN 11 2017

The National Weather Service in Green Bay has issued a

* Tornado Warning for...
  Central Langlade County in north central Wisconsin...

* Until 1245 PM CDT.

* At 1217 PM CDT, a severe thunderstorm capable of producing a
  tornado was located 7 miles west of Antigo, moving east at 60 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations impacted include...
  Antigo, White Lake, Pearson, Langlade, Polar, Neva, Freeman,
  Bryant, Kempster and Ormsby.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4529 8941 4538 8891 4538 8868 4513 8871
      4512 8938
TIME...MOT...LOC 1717Z 257DEG 53KT 4519 8929 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
Kieckbusch

3 follow-up statements

110 
WWUS53 KGRB 111723
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
1223 PM CDT SUN JUN 11 2017

WIC067-111745-
/O.CON.KGRB.TO.W.0005.000000T0000Z-170611T1745Z/
Langlade WI-
1223 PM CDT SUN JUN 11 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR CENTRAL
LANGLADE COUNTY...
    
At 1223 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles nortwest of Antigo, moving east at 60 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Pearson around 1235 PM CDT. 
  White Lake around 1240 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Bryant, Deerbrook, Elton, Freeman, Polar, Kempster, Neva, Ormsby,
Pickerel and Hollister.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4529 8941 4538 8891 4538 8868 4513 8871
      4512 8923
TIME...MOT...LOC 1723Z 256DEG 51KT 4521 8919 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
Kieckbusch

547 
WWUS53 KGRB 111730
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
1230 PM CDT SUN JUN 11 2017

WIC067-111745-
/O.CON.KGRB.TO.W.0005.000000T0000Z-170611T1745Z/
Langlade WI-
1230 PM CDT SUN JUN 11 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR CENTRAL
LANGLADE COUNTY...
    
At 1229 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles north of Antigo, moving east at 60 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  White Lake around 1245 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Bryant, Deerbrook, Elton, Freeman, Polar, Kempster, Neva, Pickerel,
Hollister and Langlade.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4530 8930 4538 8891 4538 8868 4513 8871
      4512 8908
TIME...MOT...LOC 1729Z 260DEG 50KT 4520 8907 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
Kieckbusch

278 
WWUS53 KGRB 111740
SVSGRB

Severe Weather Statement
National Weather Service Green Bay WI
1240 PM CDT SUN JUN 11 2017

WIC067-111749-
/O.EXP.KGRB.TO.W.0005.000000T0000Z-170611T1745Z/
Langlade WI-
1240 PM CDT SUN JUN 11 2017

...THE TORNADO WARNING FOR CENTRAL LANGLADE COUNTY WILL EXPIRE AT
1245 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A severe thunderstorm watch remains in effect until 400 PM CDT for
north central and northeastern Wisconsin.

Remember, a Severe Thunderstorm Warning still remains in effect for
Langlade county until 100 pm CDT!

LAT...LON 4530 8930 4538 8891 4538 8868 4513 8871
      4512 8908
TIME...MOT...LOC 1739Z 257DEG 53KT 4523 8889 

$$
Kieckbusch

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 8:34 PM CDT	Special Weather Statement	GRB	Vilas	41 min
Jun 10, 8:48 PM CDT	Special Weather Statement	GRB	Vilas	27 min
Jun 10, 9:02 PM CDT	Special Weather Statement	GRB	Vilas	58 min
Jun 11, 11:08 AM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Marathon, Oneida	67 min
Jun 11, 11:59 AM CDT	Severe Thunderstorm Warning	GRB	Forest, Langlade, Lincoln, Marathon, Menominee, Oneida and 2 more	61 min
Jun 11, 12:22 PM CDT	Special Weather Statement	GRB	Portage, Wood	53 min
Jun 11, 12:38 PM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest, Marinette	52 min
Jun 11, 12:48 PM CDT	Severe Thunderstorm Warning	GRB	Langlade, Marinette, Menominee, Oconto, Shawano	57 min
Jun 11, 12:55 PM CDT	Special Marine Warning	GRB		2 hr
Jun 11, 1:08 PM CDT	Special Weather Statement	GRB	Portage, Waupaca	67 min
Jun 11, 1:38 PM CDT	Severe Thunderstorm Warning	GRB	Door	52 min
Jun 11, 3:50 PM CDT	Special Weather Statement	GRB	Lincoln, Oneida	55 min
Jun 11, 4:17 PM CDT	Special Weather Statement	GRB	Forest	43 min
Jun 11, 4:24 PM CDT	Special Weather Statement	GRB	Vilas	81 min
Jun 11, 5:31 PM CDT	Areal Flood Advisory	GRB	Vilas	3 hr
Jun 11, 5:48 PM CDT	Severe Thunderstorm Warning	GRB	Oneida, Vilas	57 min

Nearby

Tornado Warnings in Wisconsin, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.