Alert archive / Michigan / Beach Hazards Statements in 2012

Beach Hazards Statement 6, NWS Grand Rapids, MI

July 25, 2012Mason County, Muskegon County, Oceana County, Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jul 25, 2012, 12:39 PM EDT for Mason County, Muskegon County, Oceana County, Michigan. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Jul 25, 2012, 12:39 PM EDT (16:39 UTC)
Expired
Jul 26, 2012, 4:00 AM EDT
In force
15 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 16:38 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, 4.7 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 12:00Z on 2012-07-25Temperature 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 2012-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1621 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
230 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.

157 
WHUS43 KGRR 251639
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1239 PM EDT WED JUL 25 2012

MIZ037-043-050-260045-
/O.NEW.KGRR.BH.S.0006.120725T1639Z-120726T0800Z/
MASON-OCEANA-MUSKEGON-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK
1239 PM EDT WED JUL 25 2012

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

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT THROUGH LATE TONIGHT. 

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED. 

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM GRAND HAVEN NORTH TO MANISTEE OR
  APPROPRIATE ZONE. 

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE...

  PERE MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...SOUTHERLY WINDS AHEAD OF A COLD
  FRONT WILL RANGE FROM 15 TO 30 MPH OVER LAKE MICHIGAN TODAY
  INTO TONIGHT. THE STRONG SOUTHERLY WIND FLOW WILL BUILD WAVES TO
  HIGHER HEIGHTS THE FURTHER NORTH YOU MOVE UP THE WEST MICHIGAN
  COAST. THE MAIN AREA OF CONCERN WILL BE FROM GRAND HAVEN TO
  MANISTEE THIS AFTERNOON AND EVENING. WAVES OF 3 TO 6 FEET ARE
  EXPECTED. 

  SOUTH SIDES OF SOUTH PIERS WILL BE DANGEROUS PLACES TO
  SWIM TODAY WITH PERE MARQUETTE PARK IN MUSKEGON BEING A POPULAR
  BEACH IN THE AREA OF CONCERN. WAVES BECOME CHAOTIC AS THEY HIT THE
  PIER AND REFLECT BACK INTO ONCOMING WAVES. STRUCTURAL CURRENTS
  CAN BE EXPECTED ON THE SOUTH SIDES OF THE PIERS. LONGSHORE
  CURRENTS WILL SWEEP UP THE BEACH FROM SOUTH TO NORTH AND MAKE IT
  DIFFICULT TO STAND AND STAY IN ONE SPOT. HIGH WAVE ACTION WITH
  RAPID SUCCESSION SHORT PERIOD WAVES WILL ADD TO THE DANGEROUS
  SWIMMING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS. 

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

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

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

&&

$$

WEATHER.GOV/GRR

DUKE
3 follow-up statements
766 
WHUS43 KGRR 252026
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
426 PM EDT WED JUL 25 2012

MIZ037-043-050-260430-
/O.CON.KGRR.BH.S.0006.000000T0000Z-120726T0800Z/
MASON-OCEANA-MUSKEGON-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK
426 PM EDT WED JUL 25 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 4 AM EDT
THURSDAY...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

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

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE...

 PERE MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...SOUTHERLY WINDS AHEAD OF A COLD
  FRONT WILL CONTINUE AT 15 TO 30 MPH OVER LAKE MICHIGAN INTO THIS
  EVENING. THE STRONG SOUTHERLY WIND FLOW WILL BUILD WAVES TO
  HIGHER HEIGHTS THE FURTHER NORTH YOU MOVE UP THE WEST MICHIGAN
  COAST. THE MAIN AREA OF CONCERN WILL BE FROM GRAND HAVEN TO
  MANISTEE LATE THIS AFTERNOON AND THROUGH THE EVENING. WAVES OF 3
  TO 6 FEET ARE EXPECTED. 

  SOUTH SIDES OF SOUTH PIERS WILL BE DANGEROUS PLACES TO SWIM
  THROUGH SUNSET WITH PERE MARQUETTE PARK IN MUSKEGON BEING A
  POPULAR BEACH IN THE AREA OF CONCERN. WAVES BECOME CHAOTIC AS
  THEY HIT THE PIER AND REFLECT BACK INTO ONCOMING WAVES.
  STRUCTURAL CURRENTS CAN BE EXPECTED ON THE SOUTH SIDES OF THE
  PIERS. LONGSHORE CURRENTS WILL SWEEP UP THE BEACH FROM SOUTH TO
  NORTH AND MAKE IT DIFFICULT TO STAND AND STAY IN ONE SPOT. HIGH
  WAVE ACTION WITH RAPID SUCCESSION SHORT PERIOD WAVES WILL ADD TO
  THE DANGEROUS SWIMMING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

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

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

&&

$$

WEATHER.GOV/GRR

DUKE
095 
WHUS43 KGRR 260128
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
928 PM EDT WED JUL 25 2012

MIZ037-043-050-260800-
/O.CON.KGRR.BH.S.0006.000000T0000Z-120726T0800Z/
MASON-OCEANA-MUSKEGON-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK
928 PM EDT WED JUL 25 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 4 AM EDT
THURSDAY...

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

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

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE...

PERE MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...SOUTHERLY WINDS AHEAD OF A COLD
  FRONT WILL CONTINUE AT 15 TO 30 MPH OVER LAKE MICHIGAN THIS
  EVENING. THE STRONG SOUTHERLY WIND FLOW WILL BUILD WAVES TO
  HIGHER HEIGHTS THE FURTHER NORTH YOU MOVE UP THE WEST MICHIGAN
  COAST. THE MAIN AREA OF CONCERN WILL BE FROM GRAND HAVEN TO
  MANISTEE THROUGH THE EVENING. WAVES OF 3 TO 6 FEET ARE
  EXPECTED.

 SOUTH SIDES OF SOUTH PIERS WILL BE DANGEROUS PLACES TO SWIM  
THROUGH SUNSET WITH PERE MARQUETTE PARK IN MUSKEGON BEING A  
POPULAR BEACH IN THE AREA OF CONCERN. WAVES BECOME CHAOTIC AS  
THEY HIT THE PIER AND REFLECT BACK INTO ONCOMING WAVES.  
STRUCTURAL CURRENTS CAN BE EXPECTED ON THE SOUTH SIDES OF THE  
PIERS. LONGSHORE CURRENTS WILL SWEEP UP THE BEACH FROM SOUTH TO  
NORTH AND MAKE IT DIFFICULT TO STAND AND STAY IN ONE SPOT. HIGH  
WAVE ACTION WITH RAPID SUCCESSION SHORT PERIOD WAVES WILL ADD TO 
THE DANGEROUS SWIMMING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

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

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

&&

$$


WEATHER.GOV/GRR
283 
WHUS43 KGRR 260742
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
342 AM EDT THU JUL 26 2012

MIZ037-043-050-260845-
/O.EXP.KGRR.BH.S.0006.000000T0000Z-120726T0800Z/
MASON-OCEANA-MUSKEGON-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK
342 AM EDT THU JUL 26 2012

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 4 AM EDT EARLY THIS
MORNING...

WINDS AND WAVES WILL DIMINISH THIS MORNING RESULTING IN A DECREASING
RIP CURRENT RISK. 

$$


WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 4:22 PM EDTSmall Craft AdvisoryGRR11 hr

Nearby

Beach Hazards Statements in Michigan, 2012Every beach hazards statement in 2012

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.