Alert archive / Michigan / Beach Hazards Statements in 2016
Beach Hazards Statement 15, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Jul 25, 2016, 5:15 AM EDT for Allegan County, Ottawa County, Van Buren County, Michigan. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jul 25, 2016, 5:15 AM EDT (09:15 UTC)
- Expired
- Jul 25, 2016, 12:00 PM EDT
- In force
- 7 hr
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Ottawa County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 58 km from the middle of the area, began a volume at 09:19 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, 9.3 hours before the alert went out and 221 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
- 1605 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 967 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 8.4
The text
As transmitted.
513 WHUS43 KGRR 250915 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 515 AM EDT MON JUL 25 2016 MIZ056-064-071-251600- /O.NEW.KGRR.BH.S.0015.160725T0915Z-160725T1600Z/ OTTAWA-ALLEGAN-VAN BUREN- 515 AM EDT MON JUL 25 2016 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL NOON EDT TODAY... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH HAZARDS STATEMENT...WHICH IS IN EFFECT UNTIL NOON EDT TODAY. * 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 GRAND HAVEN * BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE... SOUTH BEACH IN SOUTH HAVEN... GRAND HAVEN STATE PARK... * OVERVIEW/POTENTIAL IMPACTS...SOUTHWEST WINDS OF 15 TO 25 MPH WILL SUPPORT A PERIOD OF WAVES OF 3 TO 5 FEET TO START THE DAY. BY NOON CONDITIONS SHOULD BECOME LESS HAZARDOUS. 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. && $$ WEATHER.GOV/GRR
1 follow-up statement
327 WHUS43 KGRR 251600 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1200 PM EDT MON JUL 25 2016 MIZ056-064-071-251700- /O.CAN.KGRR.BH.S.0015.000000T0000Z-160725T1600Z/ OTTAWA-ALLEGAN-VAN BUREN- 1200 PM EDT MON JUL 25 2016 ...BEACH HAZARDS STATEMENT IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE BEACH HAZARDS STATEMENT. WAVE HEIGHTS HAVE SUBSIDED TO 2 TO 4 FEET AND WILL DIMINISH FURTHER LATE THIS AFTERNOON. THEREFORE THE BEACH HAZARDS STATEMENT HAS BEEN CANCELLED. $$ WEATHER.GOV/GRR
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 11:51 PM EDT | Special Weather Statement | GRR | Gratiot | 39 min |
| Jul 25, 2:06 AM EDT | Special Weather Statement | GRR | Jackson | 39 min |
| Jul 25, 5:16 AM EDT | Small Craft Advisory | GRR | 7 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.