Alert archive / Michigan / Beach Hazards Statements in 2016

Beach Hazards Statement 24, NWS Grand Rapids, MI

September 16, 2016Mason County, Muskegon County, Oceana County, Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Sep 16, 2016, 3:58 AM EDT for Mason County, Muskegon County, Oceana County, Michigan. It took effect at Sep 16, 2016, 5:36 AM EDT. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Sep 16, 2016, 3:58 AM EDT (07:58 UTC)
In effect from
Sep 16, 2016, 5:36 AM EDT
Expired
Sep 17, 2016, 5:00 AM EDT
In force
23 hr
Issued by
NWS Grand Rapids, MI

Counties Mason County, MI, Muskegon County, MI, Oceana County, MI

The radar

The Grand Rapids radar (KGRR), 102 km from the middle of the area, began a volume at 08:03 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, 8.0 hours before the alert went out and 172 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 2016-09-16Temperature 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 00:00Z on 2016-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939Sfc1 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
1022 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

807 
WHUS43 KGRR 160758
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
358 AM EDT FRI SEP 16 2016

MIZ037-043-050-161600-
/O.NEW.KGRR.BH.S.0024.160916T1600Z-160917T0900Z/
MASON-OCEANA-MUSKEGON-
358 AM EDT FRI SEP 16 2016

...BEACH HAZARDS STATEMENT IN EFFECT FROM NOON EDT TODAY THROUGH
LATE TONIGHT...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT...WHICH IS IN EFFECT FROM NOON EDT TODAY
THROUGH LATE TONIGHT. 

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

* STRONG STRUCTURAL CURRENTS POSSIBLE.

* STRONG LONGSHORE CURRENTS POSSIBLE.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM GRAND HAVEN TO MANISTEE. |

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE...

SOUTH BEACH IN SOUTH HAVEN... GRAND HAVEN STATE PARK... PERE
MARQUETTE PARK IN MUSKEGON. 

* OVERVIEW/POTENTIAL IMPACTS...SOUTH WINDS WILL INCREASE TO 15 TO
  25 KNOTS BY NOON AND CONTINUE THROUGH MOST OF TONIGHT. THE WILL
  CAUSE WAVES TO BUILD TO 3 TO 5 FEET AND CONTINUE THROUGH MOST OF
  THE 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.

&&

$$

WDM

WEATHER.GOV/GRR
5 follow-up statements
334 
WHUS43 KGRR 160936
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
536 AM EDT FRI SEP 16 2016

MIZ037-043-050-161745-
/O.EXT.KGRR.BH.S.0024.160916T0936Z-160917T0900Z/
MASON-OCEANA-MUSKEGON-
536 AM EDT FRI SEP 16 2016

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH LATE TONIGHT...

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

* STRONG STRUCTURAL CURRENTS POSSIBLE.

* STRONG LONGSHORE CURRENTS POSSIBLE.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM GRAND HAVEN TO MANISTEE. |

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE...

SOUTH BEACH IN SOUTH HAVEN... GRAND HAVEN STATE PARK... PERE
MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...SOUTH WINDS WILL OF 15 TO 25 KNOTS
  WILL CONTINUE THROUGH MOST OF TONIGHT. THOSE WINDS WILL CAUSE
  WAVES OF 3 TO 5 FEET TODAY AND TONIGHT.

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.

&&

$$

WDM

WEATHER.GOV/GRR
907 
WHUS43 KGRR 161500
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1100 AM EDT FRI SEP 16 2016

MIZ037-043-050-162300-
/O.CON.KGRR.BH.S.0024.000000T0000Z-160917T0900Z/
MASON-OCEANA-MUSKEGON-
1100 AM EDT FRI SEP 16 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE
TONIGHT...

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

* STRONG STRUCTURAL CURRENTS POSSIBLE.

* STRONG LONGSHORE CURRENTS POSSIBLE.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM GRAND HAVEN TO MANISTEE. |

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE...

SOUTH BEACH IN SOUTH HAVEN... GRAND HAVEN STATE PARK... PERE
MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...SOUTH WINDS WILL OF 15 TO 25 
  KNOTS WILL CONTINUE THROUGH MOST OF TONIGHT. THOSE WINDS WILL 
  CAUSE WAVES OF 3 TO 5 FEET TODAY AND TONIGHT. 

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
332 
WHUS43 KGRR 161935
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
335 PM EDT FRI SEP 16 2016

MIZ037-043-050-170345-
/O.CON.KGRR.BH.S.0024.000000T0000Z-160917T0900Z/
MASON-OCEANA-MUSKEGON-
335 PM EDT FRI SEP 16 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE
TONIGHT...

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

* STRONG STRUCTURAL CURRENTS POSSIBLE.

* STRONG LONGSHORE CURRENTS POSSIBLE.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM GRAND HAVEN TO MANISTEE. |

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE...

SOUTH BEACH IN SOUTH HAVEN... GRAND HAVEN STATE PARK... PERE
MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...SOUTH WINDS WILL OF 15 TO 25 
  KNOTS WILL CONTINUE THROUGH MOST OF TONIGHT. THOSE WINDS WILL 
  CAUSE WAVES OF 3 TO 5 FEET TODAY AND TONIGHT. 

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
153 
WHUS43 KGRR 170802
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
402 AM EDT SAT SEP 17 2016

MIZ037-043-050-170915-
/O.CON.KGRR.BH.S.0024.000000T0000Z-160917T0900Z/
MASON-OCEANA-MUSKEGON-
402 AM EDT SAT SEP 17 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 5 AM EDT EARLY
THIS MORNING...

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

* STRONG STRUCTURAL CURRENTS POSSIBLE.

* STRONG LONGSHORE CURRENTS POSSIBLE.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM GRAND HAVEN TO MANISTEE. |

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE...

SOUTH BEACH IN SOUTH HAVEN... GRAND HAVEN STATE PARK... PERE
MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...SOUTHWEST WINDS WILL OF 10 TO 20
  KNOTS WILL CONTINUE THROUGH TODAY. THOSE WINDS WILL CAUSE WAVES
  OF 3 TO 5 FEET EARLY THIS MORNING TO SUSBIDE TO 2 TO 4 FEET BY
  MID MORNING.

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.

&&

$$

WDM

WEATHER.GOV/GRR
221 
WHUS43 KGRR 170904
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
504 AM EDT SAT SEP 17 2016

MIZ037-043-050-171015-
/O.EXP.KGRR.BH.S.0024.000000T0000Z-160917T0900Z/
MASON-OCEANA-MUSKEGON-
504 AM EDT SAT SEP 17 2016

...BEACH HAZARDS STATEMENT HAS EXPIRED...

WINDS AND WAVES HAVE DECREASED TO BELOW ADVISORY CRITERIA.

$$

WDM

WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 3:52 AM EDTSmall Craft AdvisoryGRR25 hr
Sep 16, 7:46 PM EDTSpecial Weather StatementGRRKent44 min

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.