Alert archive / Wisconsin / Beach Hazards Statements in 2014

Beach Hazards Statement 4, NWS Green Bay, WI

July 21, 2014Door County, Wisconsin

NWS Green Bay, WI issued this beach hazards statement at Jul 21, 2014, 4:39 AM CDT for Door County, Wisconsin. It took effect at Jul 21, 2014, 10:00 AM CDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Jul 21, 2014, 4:39 AM CDT (09:39 UTC)
In effect from
Jul 21, 2014, 10:00 AM CDT
Expired
Jul 21, 2014, 9:00 PM CDT
In force
11 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 09:43 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 00:00Z, 9.7 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 00:00Z on 2014-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 00:00Z on 2014-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1422 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

995 
WHUS43 KGRB 210939
CFWGRB

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
439 AM CDT MON JUL 21 2014

WIZ022-211745-
/O.NEW.KGRB.BH.S.0004.140721T1500Z-140722T0200Z/
DOOR-
INCLUDING THE BEACHES OF...ROCK ISLAND STATE BEACH...
BAILEYS HARBOR BEACHES...WHITEFISH DUNES BEACH
439 AM CDT MON JUL 21 2014

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

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING. 

* 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. 

* PERSISTENT SOUTH WINDS WILL BRING WAVES OF 2 TO 4 FEET TO THE
  LAKE MICHIGAN SHORE OF NORTHEAST WISCONSIN THROUGH 9 PM THIS
  EVENING...RESULTING IN DANGEROUS SWIMMING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY AS WAVES ON THE GREAT LAKES OCCUR IN RAPID
SUCCESSION. HIGH WAVE ACTION ALSO LEADS TO STRONG CURRENTS.

&&

$$
2 follow-up statements
854 
WHUS43 KGRB 211521
CFWGRB

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
1021 AM CDT MON JUL 21 2014

WIZ022-212330-
/O.CON.KGRB.BH.S.0004.000000T0000Z-140722T0200Z/
DOOR-
INCLUDING THE BEACHES OF...ROCK ISLAND STATE BEACH...
BAILEYS HARBOR BEACHES...WHITEFISH DUNES BEACH
1021 AM CDT MON JUL 21 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

* 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. 

* PERSISTENT SOUTH WINDS WILL BRING WAVES OF 2 TO 4 FEET TO THE
  LAKE MICHIGAN SHORE OF DOOR COUNTY THROUGH 9 PM THIS EVENING...
  RESULTING IN DANGEROUS SWIMMING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY AS WAVES ON THE GREAT LAKES OCCUR IN RAPID
SUCCESSION. HIGH WAVE ACTION ALSO LEADS TO STRONG CURRENTS.

&&

$$
BERSCH
334 
WHUS43 KGRB 212038
CFWGRB

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GREEN BAY WI
338 PM CDT MON JUL 21 2014

WIZ022-220200-
/O.CON.KGRB.BH.S.0004.000000T0000Z-140722T0200Z/
DOOR-
INCLUDING THE BEACHES OF...ROCK ISLAND STATE BEACH...
BAILEYS HARBOR BEACHES...WHITEFISH DUNES BEACH
338 PM CDT MON JUL 21 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

* 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. 

* PERSISTENT SOUTH WINDS WILL BRING WAVES OF 2 TO 4 FEET TO THE
  LAKE MICHIGAN SHORE OF DOOR COUNTY THROUGH 9 PM THIS
  EVENING...RESULTING IN DANGEROUS SWIMMING CONDITIONS.

* ANOTHER BEACH HAZARDS STATEMENT WILL BE NEEDED ON TUESDAY FOR
  DOOR...KEWAUNEE...AND MANITOWOC COUNTIES AS GUSTY SOUTH WINDS
  WILL PRODUCE LARGE WAVES AND DANGEROUS SWIMMING CONDITIONS ON
  LAKE MICHIGAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY 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
Jul 21, 3:43 PM CDTSmall Craft AdvisoryGRB29 hr

Nearby

Beach Hazards Statements in Wisconsin, 2014Every beach hazards statement in 2014

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.