Alert archive / Wisconsin / Beach Hazards Statements in 2018

Beach Hazards Statement 5, NWS Green Bay, WI

July 7, 2018Door County, Wisconsin

NWS Green Bay, WI issued this beach hazards statement at Jul 7, 2018, 2:42 PM CDT for Door County, Wisconsin. It took effect at Jul 8, 2018, 1:00 PM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Jul 7, 2018, 2:42 PM CDT (19:42 UTC)
In effect from
Jul 8, 2018, 1:00 PM CDT
Expired
Jul 9, 2018, 4:00 AM CDT
In force
15 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 19:41 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, 7.7 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 2018-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2018-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 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
2342 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

104 
WHUS43 KGRB 071942
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
242 PM CDT Sat Jul 7 2018

Default overview section
WIZ022-080345-
/O.NEW.KGRB.BH.S.0005.180708T1800Z-180709T0600Z/
Door-
242 PM CDT Sat Jul 7 2018

...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY AFTERNOON
THROUGH LATE SUNDAY NIGHT...

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

* 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.

* Strong south winds will bring waves of 3 to 4 feet to the Lake 
  Michigan shore of northeast Wisconsin through midnight Sunday 
  night, 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.

&&

$$
2 follow-up statements
522 
WHUS43 KGRB 080916
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
416 AM CDT Sun Jul 8 2018

Default overview section
WIZ022-081730-
/O.EXT.KGRB.BH.S.0005.180708T1800Z-180709T0900Z/
Door-
416 AM CDT Sun Jul 8 2018

...BEACH HAZARDS STATEMENT NOW IN EFFECT FROM 1 PM CDT THIS
AFTERNOON THROUGH LATE TONIGHT...

* 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.

* Gusty south winds will bring waves of 3 to 4 feet to the Lake
  Michigan shore of northeast Wisconsin through late tonight, 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.

&&

$$
Kieckbusch
118 
WHUS43 KGRB 081520
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
1020 AM CDT Sun Jul 8 2018

WIZ022-082330-
/O.CON.KGRB.BH.S.0005.180708T1800Z-180709T0900Z/
Door-
1020 AM CDT Sun Jul 8 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE
TONIGHT...

* 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.

* Gusty south winds will bring waves of 3 to 4 feet to the Lake 
  Michigan shore of northeast Wisconsin through late tonight, 
  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.

&&

$$

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.