Alert archive / Wisconsin / Beach Hazards Statements in 2018

Beach Hazards Statement 15, NWS Green Bay, WI

September 23, 2018Door County, Kewaunee County, Manitowoc County, Wisconsin

NWS Green Bay, WI issued this beach hazards statement at Sep 23, 2018, 2:57 PM CDT for Door County, Kewaunee County, Manitowoc County, Wisconsin. It took effect at Sep 24, 2018, 1:00 AM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Sep 23, 2018, 2:57 PM CDT (19:57 UTC)
In effect from
Sep 24, 2018, 1:00 AM CDT
Expired
Sep 24, 2018, 1:00 PM CDT
In force
12 hr
Issued by
NWS Green Bay, WI

Counties Door County, WI, Kewaunee County, WI, Manitowoc County, WI

The radar

The Green Bay radar (KGRB), 47 km from the middle of the area, began a volume at 20:00 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, 8.0 hours before the alert went out and 46 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 2018-09-23Temperature 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 2018-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.19395878Sfc1 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
1318 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
170 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

883 
WHUS43 KGRB 231957
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
257 PM CDT Sun Sep 23 2018

WIZ022-040-240400-
/O.NEW.KGRB.BH.S.0015.180924T0600Z-180924T1500Z/
Door-Kewaunee-
257 PM CDT Sun Sep 23 2018

...BEACH HAZARDS STATEMENT IN EFFECT FROM 1 AM CDT MONDAY THROUGH
MONDAY MORNING...

The National Weather Service in Green Bay has issued a Beach
Hazards Statement, which is in effect from 1 AM CDT Monday
through Monday 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.

  Beaches of Kewaunee County including Cresent Beach and 
  City of Kewaunee Beach.

* Strong south to southeast winds will bring waves of 3 to 5 feet
  to the Lake Michigan shore of northeast Wisconsin through mid
  Monday 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.

&&

$$
3 follow-up statements
269 
WHUS43 KGRB 240142
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
842 PM CDT Sun Sep 23 2018

WIZ050-240945-
/O.EXB.KGRB.BH.S.0015.180924T0600Z-180924T1700Z/
Manitowoc-
842 PM CDT Sun Sep 23 2018

BEACH HAZARDS STATEMENT IN EFFECT FROM 1 AM CDT MONDAY THROUGH
MONDAY MORNING

The National Weather Service in Green Bay has issued a Beach
Hazards Statement, which is in effect from 1 AM CDT Monday
through Monday morning. 

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

* Location...

  Beaches of Manitowoc County including Point Beach, Neshotah
  Beach, and Red Arrow Beach.
 
* Strong south to southeast winds will bring waves of 4 to 7 feet
  to the Lake Michigan shore of northeast Wisconsin through noon 
  on Monday, 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.

&&

$$

WIZ022-040-240945-
/O.EXT.KGRB.BH.S.0015.180924T0600Z-180924T1700Z/
Door-Kewaunee-
842 PM CDT Sun Sep 23 2018

...BEACH HAZARDS STATEMENT NOW IN EFFECT FROM 1 AM CDT MONDAY
THROUGH MONDAY 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.

  Beaches of Kewaunee County including Cresent Beach and   City
  of Kewaunee Beach.

* Strong south to southeast winds will bring waves of 4 to 7 feet
  to the Lake Michigan shore of northeast Wisconsin through noon
  on Monday, 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.

&&

$$
791 
WHUS43 KGRB 240837
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
337 AM CDT Mon Sep 24 2018

Default overview section
WIZ022-040-050-241645-
/O.CON.KGRB.BH.S.0015.000000T0000Z-180924T1700Z/
Door-Kewaunee-Manitowoc-
337 AM CDT Mon Sep 24 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL NOON CDT
TODAY...

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

* Location...

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

 Beaches of Kewaunee County including Cresent Beach and   City  
of Kewaunee Beach.

* Strong south to southeast winds will bring waves of 3 to 5 feet
  to the Lake Michigan shore of northeast Wisconsin through noon,
  resulting in hazardous 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.

&&

$$
809 
WHUS43 KGRB 241515
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
1015 AM CDT Mon Sep 24 2018

WIZ022-040-050-241800-
/O.EXT.KGRB.BH.S.0015.000000T0000Z-180924T1800Z/
Door-Kewaunee-Manitowoc-
1015 AM CDT Mon Sep 24 2018

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

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

* Location...

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

  Beaches of Kewaunee County including Cresent Beach and City of 
  Kewaunee Beach.

  Beaches of Manitowoc County including Point Beach, Neshotah
  Beach, and Red Arrow Beach.

* Persistent southeast winds will bring waves of 3 to 5 feet to
  the Lake Michigan shore of northeast Wisconsin through early
  afternoon, resulting in hazardous 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.

&&

$$

Bersch

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 3:00 AM CDTSmall Craft AdvisoryGRB34 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.