Alert archive / Wisconsin / Beach Hazards Statements in 2021

Beach Hazards Statement 11, NWS Green Bay, WI

September 13, 2021Door County, Kewaunee County, Manitowoc County, Wisconsin

NWS Green Bay, WI issued this beach hazards statement at Sep 13, 2021, 3:18 PM CDT for Door County, Kewaunee County, Manitowoc County, Wisconsin. It took effect at Sep 14, 2021, 4:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Sep 13, 2021, 3:18 PM CDT (20:18 UTC)
In effect from
Sep 14, 2021, 4:00 AM CDT
Expired
Sep 14, 2021, 1:00 PM CDT
In force
9 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 20:20 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, 8.3 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 2021-09-13Temperature 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 2021-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.1939587897Sfc1 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
921 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

078 
WHUS43 KGRB 132018
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
318 PM CDT Mon Sep 13 2021

WIZ022-040-050-140300-
/O.NEW.KGRB.BH.S.0011.210914T0900Z-210914T1800Z/
Door-Kewaunee-Manitowoc-
318 PM CDT Mon Sep 13 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY AFTERNOON...

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

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

* WHEN...From late tonight through early 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.

&&

$$

mpc
3 follow-up statements
356 
WHUS43 KGRB 140210
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
910 PM CDT Mon Sep 13 2021

WIZ022-040-050-141415-
/O.CON.KGRB.BH.S.0011.210914T0900Z-210914T1800Z/
Door-Kewaunee-Manitowoc-
910 PM CDT Mon Sep 13 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 AM CDT
TUESDAY THROUGH TUESDAY AFTERNOON...

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

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

* WHEN...From 4 AM CDT Tuesday 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.

  Crescent 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.

&&

$$
126 
WHUS43 KGRB 140821
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
321 AM CDT Tue Sep 14 2021

WIZ022-040-050-141630-
/O.CON.KGRB.BH.S.0011.210914T0900Z-210914T1800Z/
Door-Kewaunee-Manitowoc-
321 AM CDT Tue Sep 14 2021

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

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

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

* WHEN...Until 1 PM CDT this 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
262 
WHUS43 KGRB 141446
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
946 AM CDT Tue Sep 14 2021

WIZ022-040-050-141800-
/O.CON.KGRB.BH.S.0011.000000T0000Z-210914T1800Z/
Door-Kewaunee-Manitowoc-
946 AM CDT Tue Sep 14 2021

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

* WHAT...Waves resulting in strong currents and dangerous swimming
  conditions will gradually subside early this afternoon as winds
  turn offshore.

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

* WHEN...Until 1 PM CDT this 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.

&&

$$
Eckberg

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 10:50 AM CDTSmall Craft AdvisoryGRB29 hr

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.