Alert archive / Michigan / Beach Hazards Statements in 2016

Beach Hazards Statement 2, NWS Grand Rapids, MI

June 5, 2016Allegan County, Van Buren County, Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jun 5, 2016, 3:58 PM EDT for Allegan County, Van Buren County, Michigan. It took effect at Jun 6, 2016, 1:00 AM EDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 5, 2016, 3:58 PM EDT (19:58 UTC)
In effect from
Jun 6, 2016, 1:00 AM EDT
Expired
Jun 6, 2016, 3:49 AM EDT
In force
3 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 72 km from the middle of the area, began a volume at 20:01 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 12:00Z, 8.0 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 12:00Z on 2016-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 109 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, Detroit, MI at 12:00Z on 2016-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939587897117Sfc1 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
109 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
629 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

320 
WHUS43 KGRR 051958
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
358 PM EDT SUN JUN 5 2016

MIZ064-071-060400-
/O.NEW.KGRR.BH.S.0002.160606T0500Z-160606T1100Z/
ALLEGAN-VAN BUREN-
358 PM EDT SUN JUN 5 2016

...BEACH HAZARDS STATEMENT IN EFFECT FROM 1 AM EDT MONDAY THROUGH
MONDAY MORNING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT...WHICH IS IN EFFECT FROM 1 AM EDT MONDAY
THROUGH MONDAY MORNING. 

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

* STRONG STRUCTURAL CURRENTS POSSIBLE.

* STRONG LONGSHORE CURRENTS POSSIBLE.

* RIP CURRENTS EXPECTED.

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

* OVERVIEW/POTENTIAL IMPACTS...STRONG WEST WINDS WILL CAUSE
  BUILDING WAVES OF 3 TO 5 FEET LATE TONIGHT. THIS WILL CAUSE A
  HIGH RISK OF RIP CURRENTS THROUGH DAYBREAK 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
1 follow-up statement
410 
WHUS43 KGRR 060749
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
349 AM EDT MON JUN 6 2016

MIZ064-071-060900-
/O.CAN.KGRR.BH.S.0002.000000T0000Z-160606T1100Z/
ALLEGAN-VAN BUREN-
349 AM EDT MON JUN 6 2016

...BEACH HAZARDS STATEMENT IS CANCELLED...

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

WAVES HAVE NOT DEVELOPED AS EXPECTED THIS MORNING AND THE BEACH
HAZARDS STATEMENT HAS BEEN CANCELLED.

$$

DUKE
WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 6:22 AM EDTSpecial Weather StatementGRRKent53 min
Jun 5, 7:19 AM EDTSpecial Weather StatementGRRIonia, Kent26 min
Jun 5, 4:08 PM EDTSmall Craft AdvisoryGRR12 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.