Alert archive / Michigan / Beach Hazards Statements in 2017

Beach Hazards Statement 4, NWS Grand Rapids, MI

June 18, 20176 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jun 18, 2017, 8:52 AM EDT for 6 counties in Michigan. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jun 18, 2017, 8:52 AM EDT (12:52 UTC)
Expired
Jun 18, 2017, 5:49 PM EDT
In force
9 hr
Issued by
NWS Grand Rapids, MI

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

The radar

The Grand Rapids radar (KGRR), 60 km from the middle of the area, began a volume at 12:51 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, 0.9 hours before the alert went out and 214 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 2017-06-18Temperature 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 2017-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
964 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

728 
WHUS43 KGRR 181252
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
852 AM EDT SUN JUN 18 2017

MIZ037-043-050-056-064-071-182100-
/O.NEW.KGRR.BH.S.0004.170618T1252Z-170619T0000Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
852 AM EDT SUN JUN 18 2017

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT...WHICH IS IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

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

* RIP CURRENTS EXPECTED. STRONG STRUCTURAL AND LONGSHORE CURRENTS
  POSSIBLE. 

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

* OVERVIEW/POTENTIAL IMPACTS...WEST TO SOUTHWEST WINDS OF 15 TO 
  25 MPH WILL PRODUCE DANGEROUS WAVES OF 3 TO 5 FEET TODAY.

 PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY. 

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
340 
WHUS43 KGRR 182149
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
549 PM EDT SUN JUN 18 2017

MIZ037-043-050-056-064-071-182300-
/O.CAN.KGRR.BH.S.0004.000000T0000Z-170619T0000Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
549 PM EDT SUN JUN 18 2017

...BEACH HAZARDS STATEMENT IS CANCELLED...

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



$$


WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 11:00 PM EDTSpecial Marine WarningGRR90 min
Jun 18, 12:21 AM EDTSpecial Weather StatementGRRAllegan54 min
Jun 18, 12:25 AM EDTSpecial Weather StatementGRRKent65 min
Jun 18, 12:44 AM EDTAreal Flood AdvisoryGRRIonia, Kent, Ottawa3 hr
Jun 18, 7:40 AM EDTSmall Craft AdvisoryGRR8 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.