Alert archive / Michigan / Beach Hazards Statements in 2017
Beach Hazards Statement 12, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Aug 7, 2017, 4:09 AM EDT for Allegan County, Van Buren County, Michigan. It took effect at Aug 7, 2017, 5:00 PM EDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Aug 7, 2017, 4:09 AM EDT (08:09 UTC)
- In effect from
- Aug 7, 2017, 5:00 PM EDT
- Expired
- Aug 8, 2017, 3:41 AM EDT
- In force
- 11 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 08:12 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, 8.2 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.
- Mixed-layer CAPE
- 203 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1384 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
599 WHUS43 KGRR 070809 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 409 AM EDT MON AUG 7 2017 MIZ064-071-071615- /O.NEW.KGRR.BH.S.0012.170807T2100Z-170808T0900Z/ ALLEGAN-VAN BUREN- 409 AM EDT MON AUG 7 2017 ...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH HAZARDS STATEMENT...WHICH IS IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT. * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS EXPECTED. * LOCATION...BEACHES FROM ST. JOSEPH TO HOLLAND. BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE... FOR NORTH FLOW USE: NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... * OVERVIEW/POTENTIAL IMPACTS...WINDS WILL INCREASE TO 15 TO 25 KNOTS BY LATE THIS AFTERNOON AND THAT WILL BUILD WAVES TO 3 TO 5 FEET. THIS MAY CAUSE SOME COASTAL EROSION GIVEN THE HIGH LAKE LEVELS. IT WILL BE HAZARDOUS TO SWIM IN THESE AREAS FROM LATE AFTERNOON INTO EARLY TUESDAY MORNING. 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. && $$ WDM WEATHER.GOV/GRR
4 follow-up statements
265 WHUS43 KGRR 071357 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 957 AM EDT MON AUG 7 2017 MIZ064-071-072200- /O.CON.KGRR.BH.S.0012.170807T2100Z-170808T0900Z/ ALLEGAN-VAN BUREN- 957 AM EDT MON AUG 7 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS EXPECTED. * LOCATION...BEACHES FROM ST. JOSEPH TO HOLLAND. BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE... NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... * OVERVIEW/POTENTIAL IMPACTS...WINDS WILL INCREASE TO 15 TO 25 KNOTS BY LATE THIS AFTERNOON AND THAT WILL BUILD WAVES TO 3 TO 5 FEET. IT WILL BE HAZARDOUS TO SWIM IN THESE AREAS FROM LATE AFTERNOON INTO EARLY TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A STRONG SWIMMER QUICKLY. STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN SWEEP YOU OUT INTO DEEPER WATER ALONG THE PIER STRUCTURE. A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM... MAKING IT DIFFICULT TO RETURN TO SHORE. RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN SANDBARS. RIP CURRENTS CAN SWEEP YOU INTO DEEPER WATER. && $$ WEATHER.GOV/GRR
546 WHUS43 KGRR 071911 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 311 PM EDT MON AUG 7 2017 MIZ064-071-080315- /O.CON.KGRR.BH.S.0012.170807T2100Z-170808T0900Z/ ALLEGAN-VAN BUREN- 311 PM EDT MON AUG 7 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS EXPECTED. * LOCATION...BEACHES FROM ST. JOSEPH TO HOLLAND. BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE... NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... * OVERVIEW/POTENTIAL IMPACTS...WINDS WILL INCREASE TO 15 TO 20 KNOTS BY LATE THIS AFTERNOON AND THAT WILL BUILD WAVES TO 3 TO 5 FEET. IT WILL BE HAZARDOUS TO SWIM IN THESE AREAS FROM LATE AFTERNOON INTO EARLY TUESDAY MORNING. 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. && $$ WEATHER.GOV/GRR
361 WHUS43 KGRR 080221 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1021 PM EDT MON AUG 7 2017 MIZ064-071-080900- /O.CON.KGRR.BH.S.0012.000000T0000Z-170808T0900Z/ ALLEGAN-VAN BUREN- 1021 PM EDT MON AUG 7 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 5 AM EDT TUESDAY... * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS EXPECTED. * LOCATION...BEACHES FROM ST. JOSEPH TO HOLLAND. BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE... NORTH BEACH IN SOUTH HAVEN... HOLLAND STATE PARK... * OVERVIEW/POTENTIAL IMPACTS...WINDS WILL INCREASE TO 15 TO 20 KNOTS BY LATE THIS AFTERNOON AND THAT WILL BUILD WAVES TO 3 TO 5 FEET. IT WILL BE HAZARDOUS TO SWIM IN THESE AREAS FROM LATE AFTERNOON INTO EARLY TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A STRONG SWIMMER QUICKLY. STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN SWEEP YOU OUT INTO DEEPER WATER ALONG THE PIER STRUCTURE. A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM... MAKING IT DIFFICULT TO RETURN TO SHORE. RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN SANDBARS. RIP CURRENTS CAN SWEEP YOU INTO DEEPER WATER. && $$ WEATHER.GOV/GRR
173 WHUS43 KGRR 080741 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 341 AM EDT TUE AUG 8 2017 MIZ064-071-080845- /O.CAN.KGRR.BH.S.0012.000000T0000Z-170808T0900Z/ ALLEGAN-VAN BUREN- 341 AM EDT TUE AUG 8 2017 ...BEACH HAZARDS STATEMENT IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE BEACH HAZARDS STATEMENT. WINDS AND WAVE HEIGHTS HAVE DIMINISHED. THEREFORE THE BEACH HAZARDS STATEMENT IS CANCELLED. $$ WEATHER.GOV/GRR
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 4:02 AM EDT | Small Craft Advisory | GRR | 24 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.