Alert archive / Wisconsin / Special Weather Statements in 2015

Special Weather Statement, NWS Green Bay, WI

August 2, 2015Door County, Wisconsin

NWS Green Bay, WI issued this special weather statement at Aug 2, 2015, 12:21 PM CDT for Door County, Wisconsin. It was in force for 39 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 2, 2015, 12:21 PM CDT (17:21 UTC)
Expired: Aug 2, 2015, 1:00 PM CDT
In force: 39 min
Issued by: NWS Green Bay, WI

County Door County, WI

The radar

The Green Bay radar (KGRB), 104 km from the middle of the area, began a volume at 17:22 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, 5.4 hours before the alert went out and 104 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: 1667 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 1134 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 291 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 10.4

Open this sounding in Storm Lab

The text

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

627 
WWUS83 KGRB 021721
SPSGRB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1221 PM CDT SUN AUG 2 2015
 
WIZ022-021800-
DOOR WI-
1221 PM CDT SUN AUG 2 2015

...STRONG THUNDERSTORM OVER DOOR COUNTY...

AT 1220 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER EPHRAIM...OR 23 MILES NORTHEAST OF STURGEON BAY...MOVING EAST AT
50 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
STURGEON BAY...JACKSONPORT...EPHRAIM...EGG HARBOR...NEWPORT STATE
PARK...WHITEFISH BAY...BAILEYS HARBOR...SISTER BAY...CARLSVILLE...
FISH CREEK...INSTITUTE...PENINSULA CENTER...ELLISON BAY...PENINSULA
STATE PARK...VALMY...WHITEFISH DUNES STATE PARK AND POTAWATOMI STATE
PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF ON OR NEAR LAKE MICHIGAN...GET OUT OF THE WATER AND MOVE INDOORS 
OR INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN STRIKE OUT TO 15 MILES 
FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR THUNDER...YOU ARE 
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER NOW. DO 
NOT BE CAUGHT ON THE WATER IN A THUNDERSTORM.

&&

LAT...LON 4521 8698 4523 8704 4514 8705 4515 8708
      4509 8705 4509 8707 4507 8712 4487 8721
      4477 8732 4488 8744 4487 8741 4517 8722
      4518 8721 4516 8722 4519 8712 4530 8706
      4531 8692 4532 8691
TIME...MOT...LOC 1720Z 291DEG 46KT 4512 8713 

$$
AA

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 12:16 AM CDT	Special Weather Statement	GRB	Lincoln	44 min
Aug 2, 12:21 AM CDT	Special Weather Statement	GRB	Lincoln	39 min
Aug 2, 12:40 AM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Marathon	50 min
Aug 2, 1:28 AM CDT	Severe Thunderstorm Warning	GRB	Langlade, Lincoln, Marathon	47 min
Aug 2, 1:59 AM CDT	Special Weather Statement	GRB	Langlade	46 min
Aug 2, 2:17 AM CDT	Special Weather Statement	GRB	Menominee, Shawano	43 min
Aug 2, 3:02 AM CDT	Special Weather Statement	GRB	Menominee	43 min
Aug 2, 6:22 AM CDT	Special Weather Statement	GRB	Florence	38 min
Aug 2, 6:38 AM CDT	Special Weather Statement	GRB	Oneida	52 min
Aug 2, 6:46 AM CDT	Severe Thunderstorm Warning	GRB	Florence	29 min
Aug 2, 7:12 AM CDT	Special Weather Statement	GRB	Vilas	48 min
Aug 2, 7:39 AM CDT	Special Weather Statement	GRB	Forest, Oneida	51 min
Aug 2, 8:07 AM CDT	Special Weather Statement	GRB	Marinette	38 min
Aug 2, 9:06 AM CDT	Special Weather Statement	GRB	Shawano	24 min
Aug 2, 9:29 AM CDT	Special Weather Statement	GRB	Oneida, Vilas	46 min
Aug 2, 9:35 AM CDT	Special Weather Statement	GRB	Brown, Kewaunee, Shawano	40 min
Aug 2, 9:48 AM CDT	Severe Thunderstorm Warning	GRB	Oneida, Vilas	27 min
Aug 2, 10:18 AM CDT	Special Weather Statement	GRB	Oneida	27 min
Aug 2, 10:27 AM CDT	Special Weather Statement	GRB	Forest	48 min
Aug 2, 10:57 AM CDT	Special Weather Statement	GRB	Florence, Forest	48 min
Aug 2, 11:10 AM CDT	Special Weather Statement	GRB	Oconto	50 min
Aug 2, 11:23 AM CDT	Special Marine Warning	GRB		22 min
Aug 2, 11:29 AM CDT	Special Weather Statement	GRB	Door	46 min
Aug 2, 11:36 AM CDT	Special Weather Statement	GRB	Langlade	39 min
Aug 2, 11:43 AM CDT	Severe Thunderstorm Warning	GRB	Lincoln, Oneida	47 min
Aug 2, 12:02 PM CDT	Severe Thunderstorm Warning	GRB	Florence, Forest, Oneida	28 min
Aug 2, 12:38 PM CDT	Special Weather Statement	GRB	Florence, Forest	37 min
Aug 2, 1:05 PM CDT	Special Weather Statement	GRB	Langlade	40 min
Aug 2, 1:28 PM CDT	Severe Thunderstorm Warning	GRB	Marinette, Oconto	32 min
Aug 2, 1:38 PM CDT	Special Marine Warning	GRB		67 min
Aug 2, 1:54 PM CDT	Severe Thunderstorm Warning	GRB	Door	36 min
Aug 2, 1:58 PM CDT	Special Weather Statement	GRB	Lincoln	47 min
Aug 2, 2:11 PM CDT	Special Marine Warning	GRB		34 min
Aug 2, 2:16 PM CDT	Severe Thunderstorm Warning	GRB	Door, Oconto	44 min
Aug 2, 2:27 PM CDT	Special Weather Statement	GRB	Portage	33 min
Aug 2, 2:32 PM CDT	Special Marine Warning	GRB		28 min
Aug 2, 2:33 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Wood	27 min
Aug 2, 2:43 PM CDT	Special Marine Warning	GRB		32 min
Aug 2, 3:00 PM CDT	Special Marine Warning	GRB		45 min
Aug 2, 3:02 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Oconto, Shawano	58 min
Aug 2, 3:03 PM CDT	Severe Thunderstorm Warning	GRB	Portage, Waupaca, Wood	27 min
Aug 2, 3:05 PM CDT	Severe Thunderstorm Warning	GRB	Kewaunee	25 min
Aug 2, 3:28 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Outagamie, Portage, Shawano, Waupaca, Waushara and 1 more	62 min
Aug 2, 3:35 PM CDT	Special Marine Warning	GRB		40 min
Aug 2, 3:38 PM CDT	Special Marine Warning	GRB		37 min
Aug 2, 3:44 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Door, Kewaunee, Oconto	46 min
Aug 2, 4:01 PM CDT	Severe Thunderstorm Warning	GRB	Waupaca, Waushara, Winnebago	59 min
Aug 2, 4:13 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Portage, Shawano, Waupaca	32 min
Aug 2, 4:14 PM CDT	Special Marine Warning	GRB		46 min
Aug 2, 4:15 PM CDT	Special Marine Warning	GRB		30 min
Aug 2, 4:18 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Kewaunee, Manitowoc	42 min
Aug 2, 4:39 PM CDT	Special Weather Statement	GRB	Winnebago	51 min
Aug 2, 4:50 PM CDT	Severe Thunderstorm Warning	GRB	Outagamie, Portage, Shawano, Waupaca	25 min
Aug 2, 4:50 PM CDT	Severe Thunderstorm Warning	GRB	Calumet, Winnebago	14 min
Aug 2, 4:52 PM CDT	Special Marine Warning	GRB		38 min
Aug 2, 5:19 PM CDT	Severe Thunderstorm Warning	GRB	Manitowoc	26 min
Aug 2, 5:22 PM CDT	Special Marine Warning	GRB		23 min

Nearby

Special Weather Statements in Wisconsin, 2015 Every special weather statement in 2015

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.