Alert archive / Wisconsin / Beach Hazards Statements in 2021

Beach Hazards Statement 10, NWS Green Bay, WI

August 28, 2021Door County, Wisconsin

NWS Green Bay, WI issued this beach hazards statement at Aug 28, 2021, 10:14 AM CDT for Door County, Wisconsin. It took effect at Aug 29, 2021, 5:00 AM CDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Aug 28, 2021, 10:14 AM CDT (15:14 UTC)
In effect from
Aug 29, 2021, 5:00 AM CDT
Expired
Aug 29, 2021, 7:00 PM CDT
In force
14 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 15:16 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, 3.2 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 2021-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 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 2021-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 square meters per square second.193958Sfc1 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
77 J/kg
Mixed-layer CIN
-199 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
-51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

263 
WHUS43 KGRB 281514
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
1014 AM CDT Sat Aug 28 2021

WIZ022-282315-
/O.NEW.KGRB.BH.S.0010.210829T1000Z-210830T0000Z/
Door-
1014 AM CDT Sat Aug 28 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY EVENING...

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

* WHERE...Beaches along Lake Michigan in Door County.

* WHEN...From late tonight through early Sunday evening.

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

mpc
4 follow-up statements
026 
WHUS43 KGRB 282156
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
456 PM CDT Sat Aug 28 2021

WIZ022-290900-
/O.CON.KGRB.BH.S.0010.210829T1000Z-210830T0000Z/
Door-
456 PM CDT Sat Aug 28 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH SUNDAY EVENING...

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

* WHERE...Beaches along Lake Michigan in Door County.

* WHEN...From late tonight through early Sunday evening.

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

AK
267 
WHUS43 KGRB 290843
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
343 AM CDT Sun Aug 29 2021

WIZ022-291645-
/O.CON.KGRB.BH.S.0010.210829T1000Z-210830T0000Z/
Door-
343 AM CDT Sun Aug 29 2021

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

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

* WHERE...Beaches along Lake Michigan in Door County.

* WHEN...Through this evening.

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
547 
WHUS43 KGRB 291510
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
1010 AM CDT Sun Aug 29 2021

WIZ022-300000-
/O.CON.KGRB.BH.S.0010.000000T0000Z-210830T0000Z/
Door-
1010 AM CDT Sun Aug 29 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

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

* WHERE...Beaches along Lake Michigan in Door County.

* WHEN...Through this evening.

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

mpc
050 
WHUS43 KGRB 292346
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
646 PM CDT Sun Aug 29 2021

WIZ022-300100-
/O.EXP.KGRB.BH.S.0010.000000T0000Z-210830T0000Z/
Door-
646 PM CDT Sun Aug 29 2021

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 7 PM CDT THIS EVENING...

Winds and waves have subsided enough such that the threat of
strong currents and dangerous swimming condition no longer exist.

$$

AK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 7:25 PM CDTAreal Flood AdvisoryGRBOutagamie, Portage, Shawano, Waupaca2 hr
Aug 27, 7:52 PM CDTSpecial Marine WarningGRB68 min
Aug 27, 7:55 PM CDTSevere Thunderstorm WarningGRBBrown, Oconto, Outagamie, Shawano65 min
Aug 27, 8:35 PM CDTSpecial Weather StatementGRBKewaunee40 min
Aug 27, 9:08 PM CDTSpecial Weather StatementGRBCalumet, Winnebago52 min
Aug 27, 9:53 PM CDTAreal Flood AdvisoryGRBMarathon, Portage, Waushara, Wood3 hr
Aug 27, 9:59 PM CDTSpecial Weather StatementGRBCalumet, Manitowoc61 min
Aug 27, 10:36 PM CDTAreal Flood AdvisoryGRBCalumet, Manitowoc3 hr
Aug 27, 10:39 PM CDTAreal Flood AdvisoryGRBOutagamie, Shawano, Waupaca, Winnebago3 hr
Aug 27, 10:58 PM CDTFlash Flood WarningGRBPortage, Wood3 hr
Aug 27, 11:32 PM CDTSpecial Weather StatementGRBOconto, Waushara58 min
Aug 27, 11:51 PM CDTFlash Flood WarningGRBWaupaca3 hr
Aug 28, 12:34 AM CDTFlash Flood WarningGRBBrown, Outagamie84 min
Aug 28, 1:38 AM CDTAreal Flood AdvisoryGRBBrown, Calumet, Manitowoc82 min
Aug 28, 7:41 AM CDTRiver Flood WarningGRBWood21 days
Aug 28, 10:14 AM CDTSmall Craft AdvisoryGRB33 hr
Aug 28, 10:36 AM CDTRiver Flood WarningGRBWood48 hr
Aug 28, 5:17 PM CDTSpecial Weather StatementGRBManitowoc58 min

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.