Alert archive / Wisconsin / Beach Hazards Statements in 2018

Beach Hazards Statement 8, NWS Green Bay, WI

August 3, 2018Door County, Wisconsin

NWS Green Bay, WI issued this beach hazards statement at Aug 3, 2018, 2:56 PM CDT for Door County, Wisconsin. It took effect at Aug 4, 2018, 12:00 PM CDT. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued
Aug 3, 2018, 2:56 PM CDT (19:56 UTC)
In effect from
Aug 4, 2018, 12:00 PM CDT
Expired
Aug 5, 2018, 10:00 PM CDT
In force
34 hr
Issued by
NWS Green Bay, WI

County Door County, WI

The radar

The Green Bay radar (KGRB), 71 km from the middle of the area, began a volume at 19:59 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, 7.9 hours before the alert went out and 71 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-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2018-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2018-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
796 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

223 
WHUS43 KGRB 031956
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
256 PM CDT Fri Aug 3 2018

WIZ022-040400-
/O.NEW.KGRB.BH.S.0008.180804T1700Z-180805T0500Z/
Door-
256 PM CDT Fri Aug 3 2018

...BEACH HAZARDS STATEMENT IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING...

The National Weather Service in Green Bay has issued a Beach
Hazards Statement, which is in effect from Saturday afternoon
through Saturday evening. 

* High wave action, strong currents, and dangerous swimming 
  conditions expected.

* Location...

  Beaches of Door County including Rock Island State Beach,
  Baileys Harbor beaches, and Whitefish Dunes Beach.

* South winds will bring waves of 3 to 5 feet to the Lake Michigan
  shore of Door County through midnight on Saturday, resulting in
  dangerous swimming conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$
9 follow-up statements
937 
WHUS43 KGRB 040226
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
926 PM CDT Fri Aug 3 2018

WIZ022-041030-
/O.CON.KGRB.BH.S.0008.180804T1700Z-180805T0500Z/
Door-
926 PM CDT Fri Aug 3 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SATURDAY
AFTERNOON THROUGH SATURDAY EVENING...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

 Beaches of Door County including Rock Island State Beach,  
Baileys Harbor beaches, and Whitefish Dunes Beach.

* South winds will bring waves of 3 to 5 feet to the Lake 
  Michigan shore of Door County through midnight on Saturday, 
  resulting in dangerous swimming conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$
585 
WHUS43 KGRB 040849
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
349 AM CDT Sat Aug 4 2018

WIZ022-041700-
/O.EXT.KGRB.BH.S.0008.180804T1700Z-180805T1200Z/
Door-
349 AM CDT Sat Aug 4 2018

...BEACH HAZARDS STATEMENT NOW IN EFFECT FROM NOON CDT TODAY
THROUGH SUNDAY MORNING...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

Beaches of Door County including Rock Island State Beach,
Baileys Harbor beaches, and Whitefish Dunes Beach.

* South winds will bring waves of 3 to 5 feet to the Lake Michigan
  shore of Door County this afternoon through early Sunday 
  morning, resulting in dangerous swimming conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$

MPC
796 
WHUS43 KGRB 041520
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
1020 AM CDT Sat Aug 4 2018

Default overview section
WIZ022-042330-
/O.CON.KGRB.BH.S.0008.180804T1700Z-180805T1200Z/
Door-
1020 AM CDT Sat Aug 4 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY
MORNING...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

Beaches of Door County including Rock Island State Beach, Baileys
Harbor beaches, and Whitefish Dunes Beach.

* South winds will bring waves of 3 to 5 feet to the Lake 
  Michigan shore of Door County this afternoon through early 
  Sunday morning, resulting in dangerous swimming conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$
508 
WHUS43 KGRB 042002
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
302 PM CDT Sat Aug 4 2018

WIZ022-050415-
/O.EXT.KGRB.BH.S.0008.000000T0000Z-180806T0300Z/
Door-
302 PM CDT Sat Aug 4 2018

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH SUNDAY EVENING...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

  Beaches of Door County including Rock Island State Beach, 
  Baileys Harbor beaches, and Whitefish Dunes Beach.

* Southwest winds will bring waves of 3 to 5 feet to the Lake 
  Michigan shore of Door County this evening through Sunday 
  evening, resulting in dangerous swimming conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$
662 
WHUS43 KGRB 050224
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
924 PM CDT Sat Aug 4 2018

WIZ022-051030-
/O.CON.KGRB.BH.S.0008.000000T0000Z-180806T0300Z/
Door-
924 PM CDT Sat Aug 4 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY
EVENING...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

  Beaches of Door County including Rock Island State Beach,  
  Baileys Harbor beaches, and Whitefish Dunes Beach.

* Southwest winds will bring waves of 3 to 5 feet to the Lake
  Michigan shore of Door County tonight through Sunday evening, 
  resulting in dangerous swimming conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$
880 
WHUS43 KGRB 050843
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
343 AM CDT Sun Aug 5 2018

WIZ022-051645-
/O.CON.KGRB.BH.S.0008.000000T0000Z-180806T0300Z/
Door-
343 AM CDT Sun Aug 5 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

 Beaches of Door County including Rock Island State Beach,  
Baileys Harbor beaches, and Whitefish Dunes Beach.

* South winds will bring waves of 3 to 5 feet to the Lake Michigan
  shore of Door County through this evening, resulting in 
  dangerous swimming conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$

mpc
764 
WHUS43 KGRB 051504
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
1004 AM CDT Sun Aug 5 2018

Default overview section
WIZ022-052315-
/O.CON.KGRB.BH.S.0008.000000T0000Z-180806T0300Z/
Door-
1004 AM CDT Sun Aug 5 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

Beaches of Door County including Rock Island State Beach,
Baileys Harbor beaches, and Whitefish Dunes Beach.

* South winds will bring waves of 3 to 5 feet to the Lake 
  Michigan shore of Door County through this evening, resulting 
  in dangerous swimming conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$
817 
WHUS43 KGRB 051946
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
246 PM CDT Sun Aug 5 2018

WIZ022-060300-
/O.CON.KGRB.BH.S.0008.000000T0000Z-180806T0300Z/
Door-
246 PM CDT Sun Aug 5 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

  Beaches of Door County including Rock Island State Beach, 
  Baileys Harbor beaches, and Whitefish Dunes Beach.

* South winds will bring waves of 3 to 5 feet to the Lake 
  Michigan shore of Door County through this evening, resulting in
  dangerous swimming conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$
006 
WHUS43 KGRB 060244
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
944 PM CDT Sun Aug 5 2018

WIZ022-060345-
/O.EXP.KGRB.BH.S.0008.000000T0000Z-180806T0300Z/
Door-
944 PM CDT Sun Aug 5 2018

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM CDT THIS
EVENING...

There is no longer a swim risk for the beaches along Door County.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 9:35 PM CDTDense Fog AdvisoryGRBLincoln, Marathon, Oneida, Portage, Vilas, Waupaca and 2 more10 hr
Aug 3, 11:38 AM CDTSpecial Weather StatementGRBWood67 min
Aug 3, 12:11 PM CDTSpecial Weather StatementGRBLincoln, Marathon, Wood79 min
Aug 3, 1:27 PM CDTSevere Thunderstorm WarningGRBLincoln50 min
Aug 3, 2:00 PM CDTSpecial Weather StatementGRBOneida, Vilas30 min
Aug 3, 2:47 PM CDTSpecial Weather StatementGRBLanglade, Oneida, Vilas58 min
Aug 3, 2:56 PM CDTSmall Craft AdvisoryGRB55 hr

Nearby

Beach Hazards Statements in Wisconsin, 2018Every beach hazards statement in 2018

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.