Alert archive / Michigan / Beach Hazards Statements in 2017
Beach Hazards Statement 10, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Jul 23, 2017, 10:30 PM EDT for 4 counties in Michigan. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Jul 23, 2017, 10:30 PM EDT (02:30 UTC)
- Expired
- Jul 24, 2017, 7:59 PM EDT
- In force
- 21 hr
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Mason County, MI, Oceana County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 61 km from the middle of the area, began a volume at 02:30 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, 2.5 hours before the alert went out and 213 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.
- Mixed-layer CAPE
- 100 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 907 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -54 m²/s²
- 0-3 km storm-relative helicity
- -29 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -3.2
The text
As transmitted.
923 WHUS43 KGRR 240230 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1030 PM EDT SUN JUL 23 2017 MIZ037-043-064-071-241030- /O.NEW.KGRR.BH.S.0010.170724T0230Z-170725T0000Z/ MASON-OCEANA-ALLEGAN-VAN BUREN- 1030 PM EDT SUN JUL 23 2017 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH MONDAY EVENING... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH HAZARDS STATEMENT...WHICH IS IN EFFECT THROUGH MONDAY EVENING. * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS POSSIBLE. * LOCATION...BEACHES FROM WHITEHALL NORTH TO MANISTEE AND FROM HOLLAND SOUTH TO ST. JOSEPH. * BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE... FOR NORTH FLOW USE: NORTH BEACH IN SOUTH HAVEN... MEARS STATE PARK IN PENTWATER... STEARNS PARK IN LUDINGTON. * OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS WILL INCREASE TO 15 TO 25 KNOTS TONIGHT AND CONTINUE INTO MONDAY...WHICH WILL BUILD WAVES INTO THE 3 TO 6 FOOT RANGE. THE LARGEST WAVES AND STRONGEST CURRENTS ARE EXPECTED NORTH OF WHITEHALL AND SOUTH OF HOLLAND. NORTH SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM THROUGH MONDAY 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. && $$ WEATHER.GOV/GRR DUKE
4 follow-up statements
849 WHUS43 KGRR 240751 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 351 AM EDT MON JUL 24 2017 MIZ037-043-064-071-241600- /O.CON.KGRR.BH.S.0010.000000T0000Z-170725T0000Z/ MASON-OCEANA-ALLEGAN-VAN BUREN- 351 AM EDT MON JUL 24 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS POSSIBLE. * LOCATION...BEACHES FROM WHITEHALL NORTH TO MANISTEE AND FROM HOLLAND SOUTH TO ST. JOSEPH. * BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE... NORTH BEACH IN SOUTH HAVEN... MEARS STATE PARK IN PENTWATER... STEARNS PARK IN LUDINGTON. * OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS OF 15 TO 25 MPH AND WAVES OF 3 TO 6 FEET WILL CREATE HAZARDOUS SWIM CONDITIONS TODAY. THE LARGEST WAVES AND STRONGEST CURRENTS ARE EXPECTED NORTH OF WHITEHALL AND SOUTH OF HOLLAND. NORTH SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A STRONG SWIMMER QUICKLY. STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN SWEEP YOU OUT INTO DEEPER WATER ALONG THE PIER STRUCTURE. A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM... MAKING IT DIFFICULT TO RETURN TO SHORE. RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN SANDBARS. RIP CURRENTS CAN SWEEP YOU INTO DEEPER WATER. && $$ WEATHER.GOV/GRR
210 WHUS43 KGRR 241719 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 119 PM EDT MON JUL 24 2017 MIZ037-043-064-071-250000- /O.CON.KGRR.BH.S.0010.000000T0000Z-170725T0000Z/ MASON-OCEANA-ALLEGAN-VAN BUREN- 119 PM EDT MON JUL 24 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS POSSIBLE. * LOCATION...BEACHES FROM WHITEHALL NORTH TO MANISTEE AND FROM HOLLAND SOUTH TO ST. JOSEPH. * BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE... NORTH BEACH IN SOUTH HAVEN... MEARS STATE PARK IN PENTWATER... STEARNS PARK IN LUDINGTON. * OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS OF 15 TO 25 MPH AND WAVES OF 3 TO 6 FEET WILL CREATE HAZARDOUS SWIM CONDITIONS TODAY. THE LARGEST WAVES AND STRONGEST CURRENTS ARE EXPECTED NORTH OF WHITEHALL AND SOUTH OF HOLLAND. NORTH SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM THROUGH 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. && $$ WEATHER.GOV/GRR
635 WHUS43 KGRR 241928 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 328 PM EDT MON JUL 24 2017 MIZ037-043-064-071-250000- /O.CON.KGRR.BH.S.0010.000000T0000Z-170725T0000Z/ MASON-OCEANA-ALLEGAN-VAN BUREN- 328 PM EDT MON JUL 24 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS POSSIBLE. * LOCATION...BEACHES FROM WHITEHALL NORTH TO MANISTEE AND FROM HOLLAND SOUTH TO ST. JOSEPH. * BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE... NORTH BEACH IN SOUTH HAVEN... MEARS STATE PARK IN PENTWATER... STEARNS PARK IN LUDINGTON. * OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS OF 15 TO 25 MPH AND WAVES OF 3 TO 5 FEET WILL CREATE HAZARDOUS SWIM CONDITIONS TODAY. THE LARGEST WAVES AND STRONGEST CURRENTS ARE EXPECTED NORTH OF WHITEHALL AND SOUTH OF HOLLAND. NORTH SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A STRONG SWIMMER QUICKLY. STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN SWEEP YOU OUT INTO DEEPER WATER ALONG THE PIER STRUCTURE. A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM... MAKING IT DIFFICULT TO RETURN TO SHORE. RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN SANDBARS. RIP CURRENTS CAN SWEEP YOU INTO DEEPER WATER. && $$ WEATHER.GOV/GRR
243 WHUS43 KGRR 242359 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 759 PM EDT MON JUL 24 2017 MIZ037-043-064-071-250100- /O.CAN.KGRR.BH.S.0010.000000T0000Z-170725T0000Z/ MASON-OCEANA-ALLEGAN-VAN BUREN- 759 PM EDT MON JUL 24 2017 ...BEACH HAZARDS STATEMENT IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE BEACH HAZARDS STATEMENT. WINDS AND WAVES CONTINUE TO SUBSIDE THIS EVENING. WAVES HAVE FALLEN INTO THE 2 TO 4 FOOT RANGE AS OF 800 PM. BY MIDNIGHT WAVES SHOULD HAVE SUBSIDED TO 1 TO 3 FEET. A MODERATE SWIM RISK THIS EVENING WILL TREND TO LOW OVERNIGHT. $$ WEATHER.GOV/GRR
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 10:25 PM EDT | Small Craft Advisory | GRR | 22 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.