Alert archive / Wisconsin / Beach Hazards Statements in 2021

Beach Hazards Statement 13, NWS Green Bay, WI

September 18, 2021Door County, Kewaunee County, Manitowoc County, Wisconsin

NWS Green Bay, WI issued this beach hazards statement at Sep 18, 2021, 2:53 PM CDT for Door County, Kewaunee County, Manitowoc County, Wisconsin. It took effect at Sep 19, 2021, 10:00 AM CDT. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Sep 18, 2021, 2:53 PM CDT (19:53 UTC)
In effect from
Sep 19, 2021, 10:00 AM CDT
Expired
Sep 20, 2021, 3:15 AM CDT
In force
17 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 19:58 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 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 2021-09-18Temperature 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 2021-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
1562 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

579 
WHUS43 KGRB 181953
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
253 PM CDT Sat Sep 18 2021

WIZ022-040-050-190400-
/O.NEW.KGRB.BH.S.0013.210919T1500Z-210921T1800Z/
Door-Kewaunee-Manitowoc-
253 PM CDT Sat Sep 18 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH
TUESDAY AFTERNOON...

* WHAT...Waves resulting in strong currents and dangerous swimming
  conditions expected.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...From Sunday morning through Tuesday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

AK
6 follow-up statements
859 
WHUS43 KGRB 190255
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
955 PM CDT Sat Sep 18 2021

WIZ022-040-050-191100-
/O.CON.KGRB.BH.S.0013.210919T1500Z-210921T1800Z/
Door-Kewaunee-Manitowoc-
955 PM CDT Sat Sep 18 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH TUESDAY AFTERNOON...

* WHAT...Waves resulting in strong currents and dangerous 
  swimming conditions expected.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...From Sunday morning through Tuesday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

Hykin
866 
WHUS43 KGRB 190821
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
321 AM CDT Sun Sep 19 2021

WIZ022-040-050-191630-
/O.CON.KGRB.BH.S.0013.210919T1500Z-210921T1800Z/
Door-Kewaunee-Manitowoc-
321 AM CDT Sun Sep 19 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 10 AM CDT THIS
MORNING THROUGH TUESDAY AFTERNOON...

* WHAT...Waves resulting in strong currents and dangerous 
  swimming conditions expected.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...From 10 AM CDT this morning through Tuesday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

Kurimski
919 
WHUS43 KGRB 191613
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
1113 AM CDT Sun Sep 19 2021

WIZ022-040-050-200415-
/O.CON.KGRB.BH.S.0013.000000T0000Z-210921T1800Z/
Door-Kewaunee-Manitowoc-
1113 AM CDT Sun Sep 19 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY
AFTERNOON...

* WHAT...Waves resulting in strong currents and dangerous 
  swimming conditions expected.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Through Tuesday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

AK
122 
WHUS43 KGRB 191958 CCA
CFWGRB

Coastal Hazard Message...CORRECTED
National Weather Service Green Bay WI
258 PM CDT Sun Sep 19 2021

WIZ022-040-050-200415-
/O.COR.KGRB.BH.S.0013.000000T0000Z-210921T1800Z/
Door-Kewaunee-Manitowoc-
258 PM CDT Sun Sep 19 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY
AFTERNOON...

* WHAT...Waves resulting in strong currents and dangerous 
  swimming conditions expected.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Through Tuesday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

AK
815 
WHUS43 KGRB 200213
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
913 PM CDT Sun Sep 19 2021

WIZ022-040-050-201015-
/O.CON.KGRB.BH.S.0013.000000T0000Z-210921T1800Z/
Door-Kewaunee-Manitowoc-
913 PM CDT Sun Sep 19 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY
AFTERNOON...

* WHAT...Waves resulting in strong currents and dangerous 
  swimming conditions expected.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Through Tuesday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

Hykin
076 
WHUS43 KGRB 200815
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
315 AM CDT Mon Sep 20 2021

WIZ022-040-050-201615-
/O.CAN.KGRB.BH.S.0013.000000T0000Z-210921T1800Z/
/O.NEW.KGRB.BH.S.0014.210920T1500Z-210921T1800Z/
Door-Kewaunee-Manitowoc-
315 AM CDT Mon Sep 20 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH TUESDAY AFTERNOON...

* WHAT...Waves resulting in strong currents and dangerous 
  swimming conditions expected.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...From 10 AM CDT this morning through Tuesday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

Kurimski

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 18, 3:09 PM CDTSmall Craft AdvisoryGRB5 days

Nearby

Beach Hazards Statements in Wisconsin, 2021Every beach hazards statement in 2021

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.