Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 113, NWS Green Bay, WI

August 19, 2011Marinette County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Aug 19, 2011, 5:17 PM CDT for Marinette County, Wisconsin. It was in force for 44 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 19, 2011, 5:17 PM CDT (22:17 UTC)
Expired: Aug 19, 2011, 6:01 PM CDT
In force: 44 min
Issued by: NWS Green Bay, WI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Marinette County, WI

The radar

The Green Bay radar (KGRB), 97 km from the middle of the area, began a volume at 22:19 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 nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.3 hours before the alert went out and 98 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: 123 J/kg
Mixed-layer CIN: -204 J/kg
Mixed-layer LCL: 1324 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 65 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.

757 
WUUS53 KGRB 192217
SVRGRB
WIC075-192315-
/O.NEW.KGRB.SV.W.0113.110819T2217Z-110819T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
517 PM CDT FRI AUG 19 2011

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MARINETTE COUNTY IN NORTHEAST WISCONSIN...

* UNTIL 615 PM CDT

* AT 514 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 NEAR
  WAUSAUKEE...OR 25 MILES NORTHWEST OF MENOMINEE...AND MOVING
  SOUTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WAUSAUKEE AND MCALLISTER.

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 IS A DANGEROUS THUNDERSTORM. DUE TO THE NATURE OF THESE
STORMS...THEY ARE CAPABLE OF PRODUCING ALL TYPES OF SEVERE WEATHER...
INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE WINDS AND
POSSIBLY TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...PREFERABLY INTO
AN INTERIOR ROOM...SUCH AS A BATHROOM OR A CLOSET...OR INTO A
BASEMENT.

&&

LAT...LON 4528 8769 4520 8773 4516 8772 4534 8813
      4547 8802 4543 8785 4539 8785 4537 8787
      4535 8785 4536 8782 4535 8776 4538 8771
      4537 8765 4534 8764
TIME...MOT...LOC 2217Z 298DEG 29KT 4537 8795
WIND...HAIL 60MPH 1.00IN

$$

MPC

3 follow-up statements

920 
WWUS53 KGRB 192231
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
531 PM CDT FRI AUG 19 2011

WIC075-192315-
/O.CON.KGRB.SV.W.0113.000000T0000Z-110819T2315Z/
MARINETTE WI-
531 PM CDT FRI AUG 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
MARINETTE COUNTY UNTIL 615 PM CDT...

AT 528 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 5 MILES
SOUTHEAST OF WAUSAUKEE...OR 18 MILES NORTHWEST OF MENOMINEE...MOVING
SOUTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  HAROLD...MCALLISTER...AND WAGNER.

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.

DUE TO THE NATURE OF THESE DANGEROUS STORMS...THEY ARE CAPABLE OF
PRODUCING ALL TYPES OF SEVERE WEATHER...INCLUDING EXTREMELY LARGE
HAIL...DESTRUCTIVE STRAIGHT LINE WINDS AND POSSIBLY TORNADOES. BE
PREPARED TO ACT QUICKLY SHOULD A TORNADO OCCUR OR A TORNADO WARNING
BE ISSUED.

&&

LAT...LON 4528 8769 4520 8773 4516 8772 4530 8804
      4541 8797 4539 8785 4537 8787 4535 8785
      4536 8782 4535 8776 4538 8771 4537 8765
      4534 8764
TIME...MOT...LOC 2231Z 298DEG 29KT 4532 8781
WIND...HAIL 60MPH 1.00IN

$$

MPC

558 
WWUS53 KGRB 192245
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
545 PM CDT FRI AUG 19 2011

WIC075-192315-
/O.CON.KGRB.SV.W.0113.000000T0000Z-110819T2315Z/
MARINETTE WI-
545 PM CDT FRI AUG 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
MARINETTE COUNTY UNTIL 615 PM CDT...

AT 542 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 10 MILES
SOUTHWEST OF STEPHENSON...OR 11 MILES NORTHWEST OF MENOMINEE...MOVING
SOUTHEAST AT 35 MPH.

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 4528 8769 4520 8773 4516 8772 4525 8792
      4536 8786 4535 8785 4536 8782 4535 8776
      4538 8771 4537 8765 4534 8764
TIME...MOT...LOC 2244Z 298DEG 29KT 4527 8768
WIND...HAIL 60MPH 1.00IN

$$

MPC

193 
WWUS53 KGRB 192301
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
601 PM CDT FRI AUG 19 2011

WIC075-192311-
/O.CAN.KGRB.SV.W.0113.000000T0000Z-110819T2315Z/
MARINETTE WI-
601 PM CDT FRI AUG 19 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MARINETTE COUNTY
IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 4528 8769 4520 8773 4516 8772 4525 8792
      4536 8786 4535 8785 4536 8782 4535 8776
      4538 8771 4537 8765 4534 8764
TIME...MOT...LOC 2301Z 298DEG 29KT 4520 8751

$$

MPC

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 19, 1:35 PM CDT	Severe Thunderstorm Warning	GRB	Vilas	40 min
Aug 19, 2:07 PM CDT	Severe Thunderstorm Warning	GRB	Oneida, Vilas	38 min
Aug 19, 2:43 PM CDT	Severe Thunderstorm Warning	GRB	Forest, Oneida, Vilas	27 min
Aug 19, 3:03 PM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest	53 min
Aug 19, 3:37 PM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest, Marinette	53 min
Aug 19, 4:25 PM CDT	Severe Thunderstorm Warning	GRB	Marinette	39 min
Aug 19, 4:53 PM CDT	Tornado Warning	GRB	Marinette	22 min
Aug 19, 5:02 PM CDT	Special Marine Warning	GRB		88 min
Aug 19, 5:38 PM CDT	Severe Thunderstorm Warning	GRB	Door	28 min
Aug 19, 6:28 PM CDT	Special Marine Warning	GRB		62 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2011 Every severe thunderstorm warning in 2011

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.