Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 50, NWS Green Bay, WI

June 19, 20124 counties in Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 19, 2012, 7:24 AM CDT for 4 counties in Wisconsin. It was in force for 51 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: Jun 19, 2012, 7:24 AM CDT (12:24 UTC)
Expired: Jun 19, 2012, 8:15 AM CDT
In force: 51 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Marinette County, WI, Menominee County, WI, Oconto County, WI, Shawano County, WI

The radar

The Green Bay radar (KGRB), 76 km from the middle of the area, began a volume at 12:26 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 19, 7:24 AM CDT	HAIL 1	Suring, WI	ALSO WIND GUSTS ESTIMATED AT 50-60 MPH
Jun 19, 7:30 AM CDT	HAIL 1.5	Suring, WI
Jun 19, 8:03 AM CDT	HAIL 1	Oconto, 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 19, 5:41 AM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 0.4 hours before the alert went out and 78 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: 1244 J/kg
Mixed-layer CIN: -167 J/kg
Mixed-layer LCL: 1246 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 196 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.

502 
WUUS53 KGRB 191224
SVRGRB
WIC075-078-083-115-191315-
/O.NEW.KGRB.SV.W.0050.120619T1224Z-120619T1315Z/

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

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MARINETTE COUNTY IN NORTHEAST WISCONSIN...
  EASTERN MENOMINEE COUNTY IN NORTHEAST WISCONSIN...
  OCONTO COUNTY IN NORTHEAST WISCONSIN...
  SHAWANO COUNTY IN NORTHEAST WISCONSIN...

* UNTIL 815 AM CDT

* AT 722 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 7 MILES EAST OF CARTER TO 8 MILES SOUTH OF MOUNTAIN
  TO SHAWANO...AND MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MARINETTE...GILLETT...POUND...CRIVITZ...WAUSAUKEE...OCONTO...HAYES
  AND SURING.

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.

THESE STORMS HAVE A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE. 
SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM 
WINDOWS.

&&

LAT...LON 4506 8761 4497 8763 4496 8773 4493 8783
      4489 8782 4483 8786 4478 8876 4506 8851
      4537 8862 4538 8843 4540 8842 4547 8781
      4537 8787 4535 8785 4535 8776 4539 8770
      4538 8767 4534 8764 4518 8773 4507 8757
TIME...MOT...LOC 1224Z 267DEG 47KT 4536 8846 4507 8842
          4480 8863
WIND...HAIL 70MPH <.75IN

$$

SKOWRONSKI

4 follow-up statements

994 
WWUS53 KGRB 191238
SVSGRB

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

WIC115-191246-
/O.CAN.KGRB.SV.W.0050.000000T0000Z-120619T1315Z/
SHAWANO WI-
738 AM CDT TUE JUN 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR SHAWANO COUNTY IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4506 8761 4497 8763 4495 8780 4492 8783
      4489 8782 4486 8860 4506 8843 4537 8857
      4547 8781 4544 8785 4535 8786 4535 8776
      4539 8770 4538 8767 4534 8764 4528 8769
      4518 8773 4511 8765 4507 8757
TIME...MOT...LOC 1236Z 266DEG 51KT 4537 8815 4511 8803
          4482 8833

$$

WIC075-078-083-191315-
/O.CON.KGRB.SV.W.0050.000000T0000Z-120619T1315Z/
MENOMINEE WI-MARINETTE WI-OCONTO WI-
738 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR OCONTO...
SOUTHERN MARINETTE AND SOUTHEASTERN MENOMINEE COUNTIES UNTIL 815 AM
CDT...

AT 731 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 15 MILES NORTHWEST OF CRIVITZ TO 5 MILES WEST OF POUND TO 8
MILES EAST OF SHAWANO...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  MARINETTE...POUND...CRIVITZ...WAUSAUKEE...BEAVER...SPRUCE...COLEMAN
  AND ATHELSTANE.

ONE TO ONE AND ONE-HALF INCH HAIL AND NEARLY 60 MPH WIND WERE 
REPORTED AS THE STORMS MOVED THROUGH SURING.

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 A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE. THIS 
SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM 
WINDOWS.

&&

LAT...LON 4506 8761 4497 8763 4495 8780 4492 8783
      4489 8782 4486 8860 4506 8843 4537 8857
      4547 8781 4544 8785 4535 8786 4535 8776
      4539 8770 4538 8767 4534 8764 4528 8769
      4518 8773 4511 8765 4507 8757
TIME...MOT...LOC 1236Z 266DEG 51KT 4537 8815 4511 8803
          4482 8833
WIND...HAIL 60MPH <.75IN

$$

SKOWRONSKI

973 
WWUS53 KGRB 191253
SVSGRB

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

WIC078-191300-
/O.CAN.KGRB.SV.W.0050.000000T0000Z-120619T1315Z/
MENOMINEE WI-
753 AM CDT TUE JUN 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MENOMINEE COUNTY
IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4506 8761 4497 8763 4495 8780 4492 8783
      4489 8782 4487 8843 4510 8821 4537 8828
      4541 8785 4535 8786 4535 8776 4539 8770
      4538 8767 4534 8764 4528 8769 4518 8773
      4511 8765 4507 8757
TIME...MOT...LOC 1250Z 266DEG 51KT 4537 8791 4512 8778
          4488 8802

$$

WIC075-083-191315-
/O.CON.KGRB.SV.W.0050.000000T0000Z-120619T1315Z/
MARINETTE WI-OCONTO WI-
753 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR OCONTO AND
SOUTHERN MARINETTE COUNTIES UNTIL 815 AM CDT...

AT 745 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS TO 
AROUND 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING 
FROM WAUSAUKEE TO 8 MILES EAST OF POUND TO 9 MILES EAST OF 
GILLETT...MOVING EAST AT 60 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY 
THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  PESHTIGO...MARINETTE...AND MCALLISTER.

THE STORMS HAD WEAKENED SOME DURING THE PAST 15 MINUTES...BUT STILL 
APPEARED CAPABLE OF PRODUCING SOME WIND DAMAGE AS THEY PUSH EAST TO 
THE SHORE OF THE BAY.

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 4506 8761 4497 8763 4495 8780 4492 8783
      4489 8782 4487 8843 4510 8821 4537 8828
      4541 8785 4535 8786 4535 8776 4539 8770
      4538 8767 4534 8764 4528 8769 4518 8773
      4511 8765 4507 8757
TIME...MOT...LOC 1250Z 266DEG 51KT 4537 8791 4512 8778
          4488 8802
WIND...HAIL 60MPH 0.75IN

$$

SKOWRONSKI

046 
WWUS53 KGRB 191309
SVSGRB

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

WIC075-083-191315-
/O.CON.KGRB.SV.W.0050.000000T0000Z-120619T1315Z/
MARINETTE WI-OCONTO WI-
809 AM CDT TUE JUN 19 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR OCONTO AND
SOUTHEASTERN MARINETTE COUNTIES UNTIL 815 AM CDT...

AT 804 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN 
EXCESS OF 60 MPH AND HAIL.  THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM 7 MILES EAST OF WAUSAUKEE TO MENOMINEE TO 
OCONTO...MOVING EAST AT 50 MPH. 

ONE INCH HAIL WAS REPORTED IN THE CITY OF OCONTO AROUND 800 AM.

THE STORMS WILL EXIT MARINETTE AND OCONTO COUNTIES AROUND 815 
AM...SO THE WARNING WILL BE ALLOWED TO EXPIRE AS SCHEDULED.

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 4506 8761 4497 8763 4495 8780 4492 8783
      4489 8782 4489 8790 4512 8794 4539 8808
      4541 8785 4535 8786 4535 8776 4539 8770
      4538 8767 4534 8764 4528 8769 4518 8773
      4511 8765 4507 8757
TIME...MOT...LOC 1308Z 265DEG 45KT 4537 8772 4513 8762
          4488 8780
WIND...HAIL 60MPH 0.75IN

$$

SKOWRONSKI

173 
WWUS53 KGRB 191316
SVSGRB

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

WIC075-083-191325-
/O.EXP.KGRB.SV.W.0050.000000T0000Z-120619T1315Z/
MARINETTE WI-OCONTO WI-
816 AM CDT TUE JUN 19 2012

...THE SEVERE THUNDERSTORM WARNING FOR OCONTO AND SOUTHEASTERN
MARINETTE COUNTIES HAS EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING WAS EXITING THE AREA. 
SOME WIND GUSTS OF 30 TO 40 MPH WILL STILL BE POSSIBLE OVER THE FAR 
EASTERN PART OF THE COUNTIES THROUGH 830 AM.

LAT...LON 4506 8761 4497 8763 4495 8780 4492 8783
      4489 8782 4489 8790 4512 8794 4539 8808
      4541 8785 4535 8786 4535 8776 4539 8770
      4538 8767 4534 8764 4528 8769 4518 8773
      4511 8765 4507 8757
TIME...MOT...LOC 1309Z 265DEG 45KT 4537 8770 4513 8760
          4488 8778

$$

SKOWRONSKI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:03 PM CDT	Severe Thunderstorm Warning	GRB	Manitowoc	15 min
Jun 18, 7:14 PM CDT	Special Marine Warning	GRB		61 min
Jun 18, 7:31 PM CDT	Severe Thunderstorm Warning	GRB	Manitowoc	21 min
Jun 19, 5:34 AM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Marathon	41 min
Jun 19, 6:14 AM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Marathon, Menominee, Shawano	46 min
Jun 19, 6:51 AM CDT	Severe Thunderstorm Warning	GRB	Forest, Langlade, Marathon, Marinette, Menominee, Oconto and 1 more	39 min
Jun 19, 7:09 AM CDT	Special Marine Warning	GRB		111 min
Jun 19, 8:28 AM CDT	Severe Thunderstorm Warning	GRB	Door	32 min
Jun 19, 8:52 AM CDT	Special Marine Warning	GRB		48 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2012 Every 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.