Alert archive / Michigan / Beach Hazards Statements in 2016

Beach Hazards Statement 5, NWS Grand Rapids, MI

June 19, 20165 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jun 19, 2016, 2:51 PM EDT for 5 counties in Michigan. It took effect at Jun 20, 2016, 2:00 AM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Jun 19, 2016, 2:51 PM EDT (18:51 UTC)
In effect from
Jun 20, 2016, 2:00 AM EDT
Expired
Jun 20, 2016, 5:52 PM EDT
In force
16 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Mason County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI

The radar

The Grand Rapids radar (KGRR), 69 km from the middle of the area, began a volume at 18:51 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, 6.9 hours before the alert went out and 202 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 2016-06-19Temperature 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 2016-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
1744 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

724 
WHUS43 KGRR 191851
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
251 PM EDT SUN JUN 19 2016

MIZ037-043-050-056-064-200300-
/O.NEW.KGRR.BH.S.0005.160620T0600Z-160621T0000Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-
251 PM EDT SUN JUN 19 2016

...BEACH HAZARDS STATEMENT IN EFFECT FROM 2 AM EDT MONDAY THROUGH
MONDAY EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT...WHICH IS IN EFFECT FROM 2 AM EDT MONDAY
THROUGH MONDAY EVENING. 

* HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING 
  CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM SOUTH HAVEN NORTH TO HOLLAND AND
  WHITEHALL TO LUDINGTON.

BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE...

  NORTH BEACH IN SOUTH HAVEN... 
  HOLLAND STATE PARK... 
  MUSKEGONSTATE PARK... 
  MEARS STATE PARK IN PENTWATER... 
  STEARNS PARK IN LUDINGTON...
  SOUTH BEACH IN SOUTH HAVEN... 
  GRAND HAVEN STATE PARK... 
  PERE MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL INCREASE FROM THE SOUTHWEST
  TO WEST OVERNIGHT TONIGHT INTO MONDAY. WAVES ARE EXPECTED TO BUILD 
  AND CURRENTS WILL INCREASE FROM THE SOUTHWEST TO WEST THROUGH LATE 
  TONIGHT INTO EARLY MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY. 

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT INTO DEEPER WATER ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU INTO DEEPER WATER.

&&

$$


WEATHER.GOV/GRR
3 follow-up statements
639 
WHUS43 KGRR 200317
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1117 PM EDT SUN JUN 19 2016

MIZ037-043-050-056-064-201130-
/O.CON.KGRR.BH.S.0005.160620T0600Z-160621T0000Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-
1117 PM EDT SUN JUN 19 2016

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

* HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING 
  CONDITIONS EXPECTED. 

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM SOUTH HAVEN TO MANISTEE.

BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS MONDAY INCLUDE...
  
  PERE MARQUETTE PARK IN MUSKEGON...
  GRAND HAVEN STATE PARK...  
  SOUTH BEACH AT SOUTH HAVEN...

* OVERVIEW/POTENTIAL IMPACTS...SOUTHWEST WINDS WILL INCREASE INTO
  THE 15 TO 25 MPH RANGE LATE TONIGHT AND ESPECIALLY MONDAY
  MORNING. WAVES WILL BUILD INTO THE 3 TO 5 FOOT RANGE...LIKELY PEAKING
  DURING THE AFTERNOON HOURS. WINDS AND WAVES WILL SUBSIDE MONDAY
  EVENING AND MONDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT INTO DEEPER WATER ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU INTO DEEPER WATER.

&&

$$

WEATHER.GOV/GRR
825 
WHUS43 KGRR 200755
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
355 AM EDT MON JUN 20 2016

MIZ037-043-050-056-064-201600-
/O.CON.KGRR.BH.S.0005.000000T0000Z-160621T0000Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-
355 AM EDT MON JUN 20 2016

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

* HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING 
  CONDITIONS EXPECTED. 

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM SOUTH HAVEN TO MANISTEE.

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE
  THOSE LOCATED ON THE SOUTH SIDE OF PIERS. THIS INCLUDES PERE
  MARQUETTE PARK IN MUSKEGON... GRAND HAVEN STATE PARK... AND
  SOUTH BEACH AT SOUTH HAVEN.

* OVERVIEW/POTENTIAL IMPACTS...SOUTHWEST WINDS OF 15 TO 25 KNOTS
  WILL CREATE WAVES OF 3 TO 5 FEET AND DANGEROUS CURRENTS TODAY.
  WINDS AND WAVES AND THE THREAT OF DANGEROUS CURRENTS WILL
  SUBSIDE BY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT INTO DEEPER WATER ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU INTO DEEPER WATER.

&&

$$


WEATHER.GOV/GRR
884 
WHUS43 KGRR 202152
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
552 PM EDT MON JUN 20 2016

MIZ037-043-050-056-064-202300-
/O.CAN.KGRR.BH.S.0005.000000T0000Z-160621T0000Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-
552 PM EDT MON JUN 20 2016

...BEACH HAZARDS STATEMENT IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
BEACH HAZARDS STATEMENT. 

WINDS AND WAVES WILL CONTINUE TO DIMINISH THROUGH THE EVENING AND
OVERNIGHT HOURS. THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS
CANCELLED THE BEACH HAZARDS STATEMENT. 

$$


WEATHER.GOV/GRR

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 2:40 PM EDTSmall Craft AdvisoryGRR27 hr

Nearby

Beach Hazards Statements in Michigan, 2016Every beach hazards statement in 2016

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.