Alert archive / Michigan / Beach Hazards Statements in 2017

Beach Hazards Statement 2, NWS Grand Rapids, MI

June 6, 20174 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jun 6, 2017, 6:09 AM EDT for 4 counties in Michigan. It took effect at Jun 6, 2017, 2:00 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jun 6, 2017, 6:09 AM EDT (10:09 UTC)
In effect from
Jun 6, 2017, 2:00 PM EDT
Expired
Jun 6, 2017, 9:00 PM EDT
In force
7 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Muskegon County, MI, Ottawa County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 52 km from the middle of the area, began a volume at 10:13 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

Detroit, MI (KDTX), launched 00:00Z, 10.2 hours before the alert went out and 222 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, Detroit, MI at 00:00Z on 2017-06-06Temperature 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, Detroit, MI at 00:00Z on 2017-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -102 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
1102 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-102 m²/s²
0-3 km storm-relative helicity
-85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

742 
WHUS43 KGRR 061009
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
609 AM EDT TUE JUN 6 2017

MIZ050-056-064-071-061815-
/O.NEW.KGRR.BH.S.0002.170606T1800Z-170607T0100Z/
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
609 AM EDT TUE JUN 6 2017

...BEACH HAZARDS STATEMENT IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH THIS EVENING...

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

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

* STRONG STRUCTURAL CURRENTS POSSIBLE.

* STRONG LONGSHORE CURRENTS POSSIBLE.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO WHITEHALL.

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE... 

NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... MUSKEGON 
STATE PARK... MEARS STATE PARK IN PENTWATER... STEARNS PARK IN 
LUDINGTON. 

* OVERVIEW/POTENTIAL IMPACTS...WAVES OF 3 TO 5 FEET ARE EXPECTED
  FROM THIS AFTERNOON INTO THIS EVENING. NORTH SIDES OF PIERS WILL
  BE DANGEROUS PLACES TO SWIM.

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
019 
WHUS43 KGRR 061441
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1041 AM EDT TUE JUN 6 2017

MIZ050-056-064-071-062245-
/O.CON.KGRR.BH.S.0002.170606T1800Z-170607T0100Z/
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1041 AM EDT TUE JUN 6 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 9 PM EDT THIS EVENING...

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

* STRONG STRUCTURAL CURRENTS POSSIBLE.

* STRONG LONGSHORE CURRENTS POSSIBLE.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO WHITEHALL.

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE...

NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... MUSKEGON
STATE PARK... MEARS STATE PARK IN PENTWATER... STEARNS PARK IN
LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...WAVES OF 3 TO 5 FEET ARE EXPECTED 
  FROM THIS AFTERNOON INTO THIS EVENING. NORTH SIDES OF PIERS 
  WILL BE DANGEROUS PLACES TO SWIM. 

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
554 
WHUS43 KGRR 061943
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
343 PM EDT TUE JUN 6 2017

MIZ050-056-064-071-070100-
/O.CON.KGRR.BH.S.0002.000000T0000Z-170607T0100Z/
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
343 PM EDT TUE JUN 6 2017

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

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

* STRONG STRUCTURAL CURRENTS POSSIBLE.

* STRONG LONGSHORE CURRENTS POSSIBLE.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO WHITEHALL.

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE...

NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... MUSKEGON
STATE PARK... MEARS STATE PARK IN PENTWATER... STEARNS PARK IN
LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...WAVES OF 3 TO 5 FEET ARE EXPECTED 
  FROM THIS AFTERNOON INTO THIS EVENING. NORTH SIDES OF PIERS 
  WILL BE DANGEROUS PLACES TO SWIM. 

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
753 
WHUS43 KGRR 070058
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
858 PM EDT TUE JUN 6 2017

MIZ050-056-064-071-070200-
/O.EXP.KGRR.BH.S.0002.000000T0000Z-170607T0100Z/
MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
858 PM EDT TUE JUN 6 2017

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 9 PM EDT THIS EVENING...

WINDS AND WAVES WILL DIMINISH THIS EVENING. WAVES OF 3 TO 5 FEET
THIS EVENING WILL SUBSIDE TO 2 TO 4 FEET BY MIDNIGHT AND TO AROUND
1 FOOT BY MORNING.

$$


WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 3:15 AM EDTSmall Craft AdvisoryGRR18 hr

Nearby

Beach Hazards Statements in Michigan, 2017Every beach hazards statement in 2017

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.