Alert archive / Michigan / Beach Hazards Statements in 2016

Beach Hazards Statement 14, NWS Grand Rapids, MI

July 24, 2016Mason County, Muskegon County, Oceana County, Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jul 24, 2016, 3:10 AM EDT for Mason County, Muskegon County, Oceana County, Michigan. It took effect at Jul 24, 2016, 11:00 AM EDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Jul 24, 2016, 3:10 AM EDT (07:10 UTC)
In effect from
Jul 24, 2016, 11:00 AM EDT
Expired
Jul 25, 2016, 12:00 AM EDT
In force
13 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 07:12 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, 7.2 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 2016-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 318 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 2016-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
318 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
1266 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

861 
WHUS43 KGRR 240710
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
310 AM EDT SUN JUL 24 2016

MIZ037-043-050-241515-
/O.NEW.KGRR.BH.S.0014.160724T1500Z-160724T2100Z/
MASON-OCEANA-MUSKEGON-
310 AM EDT SUN JUL 24 2016

...BEACH HAZARDS STATEMENT IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT...WHICH IS IN EFFECT FROM 11 AM EDT THIS
MORNING THROUGH THIS AFTERNOON. 

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM MUSKEGON TO MANISTEE

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE... 


 PERE MARQUETTE PARK IN MUSKEGON. 

* OVERVIEW/POTENTIAL IMPACTS...SOUTH TO SOUTHWEST WINDS WILL
  INCREASE THIS MORNING TO 20 TO 30 MPH. THIS WILL CAUSE THE WAVES
  TO BUILD TO 3 TO 5 FEET...RESULTING IN HAZARDOUS SWIMMING
  CONDITIONS. CONDITIONS WILL GRADUALLY IMPROVE LATER THIS
  AFTERNOON AND 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
4 follow-up statements
808 
WHUS43 KGRR 241341
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
941 AM EDT SUN JUL 24 2016

MIZ037-043-050-242100-
/O.CON.KGRR.BH.S.0014.160724T1500Z-160724T2100Z/
MASON-OCEANA-MUSKEGON-
941 AM EDT SUN JUL 24 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM MUSKEGON TO MANISTEE

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE...

PERE MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...SOUTH TO SOUTHWEST WINDS WILL 
  INCREASE THIS MORNING TO 20 TO 30 MPH. THIS WILL CAUSE THE 
  WAVES TO BUILD TO 3 TO 5 FEET...RESULTING IN HAZARDOUS 
  SWIMMING CONDITIONS. CONDITIONS WILL GRADUALLY IMPROVE LATER 
  THIS AFTERNOON AND 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
614 
WHUS43 KGRR 241906
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
306 PM EDT SUN JUL 24 2016

MIZ037-043-050-242100-
/O.CON.KGRR.BH.S.0014.000000T0000Z-160724T2100Z/
MASON-OCEANA-MUSKEGON-
306 PM EDT SUN JUL 24 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM MUSKEGON TO MANISTEE

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE...

PERE MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...SOUTHWEST WINDS 15 TO 25 MPH. THIS
  WILL RESULT IN 3 TO 5 FOOT WAVES...RESULTING IN HAZARDOUS
  SWIMMING CONDITIONS. CONDITIONS WILL GRADUALLY IMPROVE LATE THIS
  AFTERNOON AND 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
932 
WHUS43 KGRR 242058
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
458 PM EDT SUN JUL 24 2016

MIZ037-043-050-250400-
/O.EXT.KGRR.BH.S.0014.000000T0000Z-160725T0400Z/
MASON-OCEANA-MUSKEGON-
458 PM EDT SUN JUL 24 2016

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM MUSKEGON TO MANISTEE

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE...

PERE MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...SOUTHWEST WINDS 15 TO 25 MPH. THIS
  WILL RESULT IN 3 TO 5 FOOT WAVES...RESULTING IN HAZARDOUS
  SWIMMING CONDITIONS. CONDITIONS WILL IMPROVE LATE THIS 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
964 
WHUS43 KGRR 250412
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1212 AM EDT MON JUL 25 2016

MIZ037-043-050-250515-
/O.EXP.KGRR.BH.S.0014.000000T0000Z-160725T0400Z/
MASON-OCEANA-MUSKEGON-
1212 AM EDT MON JUL 25 2016

...BEACH HAZARDS STATEMENT HAS EXPIRED...

THE WAVES HAVE DIMINISHED ENOUGH TO ALLOW THE CONDITIONS TO BECOME
LESS HAZARDOUS.

$$


WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 2:02 AM EDTSpecial Weather StatementGRRKalamazoo, Van Buren58 min
Jul 24, 3:07 AM EDTSmall Craft AdvisoryGRR21 hr
Jul 24, 5:59 AM EDTSpecial Marine WarningGRR91 min
Jul 24, 6:35 AM EDTSpecial Weather StatementGRROttawa55 min
Jul 24, 6:40 AM EDTAreal Flood AdvisoryGRRMuskegon, Oceana, Ottawa12 hr
Jul 24, 7:05 AM EDTSpecial Weather StatementGRRMuskegon, Ottawa115 min
Jul 24, 7:20 AM EDTSpecial Marine WarningGRR85 min
Jul 24, 7:38 AM EDTSevere Thunderstorm WarningGRRAllegan, Ottawa67 min
Jul 24, 7:43 AM EDTSpecial Weather StatementGRRKent62 min
Jul 24, 8:34 AM EDTSpecial Weather StatementGRRBarry, Eaton, Ionia56 min
Jul 24, 9:28 AM EDTSpecial Weather StatementGRRCalhoun, Clinton, Eaton, Ingham, Jackson62 min
Jul 24, 11:01 AM EDTSpecial Marine WarningGRR89 min
Jul 24, 11:19 AM EDTSevere Thunderstorm WarningGRRMason, Oceana56 min
Jul 24, 1:54 PM EDTAreal Flood AdvisoryGRRKalamazoo, Van Buren6 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.