Alert archive / Michigan / Beach Hazards Statements in 2016
Beach Hazards Statement 13, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Jul 21, 2016, 10:39 AM EDT for Mason County, Oceana County, Michigan. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jul 21, 2016, 10:39 AM EDT (14:39 UTC)
- Expired
- Jul 21, 2016, 5:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Grand Rapids, MI
Counties Mason County, MI, Oceana County, MI
The radar
The Grand Rapids radar (KGRR), 123 km from the middle of the area, began a volume at 14:40 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, 2.7 hours before the alert went out and 156 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
- 1904 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
860 WHUS43 KGRR 211439 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1039 AM EDT THU JUL 21 2016 MIZ037-043-212100- /O.NEW.KGRR.BH.S.0013.160721T1439Z-160721T2100Z/ MASON-OCEANA- 1039 AM EDT THU JUL 21 2016 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH HAZARDS STATEMENT...WHICH IS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON. * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS EXPECTED. * LOCATION...BEACHES FROM PENTWATER TO MANISTEE * OVERVIEW/POTENTIAL IMPACTS...SOUTH WINDS OF 15 TO 25 KNOTS WILL RESULT IN 3 TO 5 FOOT WAVES INTO LATE THIS AFTERNOON. WINDS AND WAVES WILL SUBSIDE BY EARLY TO MID 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. && $$ WDM WEATHER.GOV/GRR
1 follow-up statement
058 WHUS43 KGRR 211945 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 345 PM EDT THU JUL 21 2016 MIZ037-043-212100- /O.CON.KGRR.BH.S.0013.000000T0000Z-160721T2100Z/ MASON-OCEANA- 345 PM EDT THU JUL 21 2016 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS EXPECTED. * LOCATION...BEACHES FROM PENTWATER TO MANISTEE * OVERVIEW/POTENTIAL IMPACTS...SOUTH WINDS OF 15 TO 25 KNOTS WILL RESULT IN 3 TO 5 FOOT WAVES INTO LATE THIS AFTERNOON. WINDS AND WAVES WILL SUBSIDE BY EARLY TO MID EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A STRONG SWIMMER QUICKLY. STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN SWEEP YOU OUT INTO DEEPER WATER ALONG THE PIER STRUCTURE. A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM... MAKING IT DIFFICULT TO RETURN TO SHORE. RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN SANDBARS. RIP CURRENTS CAN SWEEP YOU INTO DEEPER WATER. && $$ WDM 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 21, 10:20 AM EDT | Special Marine Warning | GRR | 85 min | |
| Jul 21, 10:30 AM EDT | Small Craft Advisory | GRR | 10 hr | |
| Jul 21, 10:47 AM EDT | Special Weather Statement | GRR | Lake, Mason, Mecosta, Muskegon, Newaygo, Oceana and 1 more | 88 min |
| Jul 21, 11:38 AM EDT | Special Marine Warning | GRR | 52 min | |
| Jul 21, 12:15 PM EDT | Special Weather Statement | GRR | Clare, Ionia, Isabella, Kent, Lake, Mecosta and 5 more | 60 min |
| Jul 21, 12:30 PM EDT | Special Marine Warning | GRR | 60 min | |
| Jul 21, 1:15 PM EDT | Special Marine Warning | GRR | 60 min | |
| Jul 21, 1:16 PM EDT | Special Weather Statement | GRR | Allegan, Barry, Ionia, Kent, Montcalm | 59 min |
| Jul 21, 1:43 PM EDT | Special Weather Statement | GRR | Kalamazoo, Van Buren | 62 min |
| Jul 21, 1:56 PM EDT | Special Weather Statement | GRR | Calhoun, Clinton, Eaton, Gratiot | 64 min |
| Jul 21, 2:22 PM EDT | Special Weather Statement | GRR | Ingham, Jackson | 53 min |
| Jul 21, 2:43 PM EDT | Special Weather Statement | GRR | Calhoun | 32 min |
| Jul 21, 3:03 PM EDT | Special Weather Statement | GRR | Ingham, Jackson | 42 min |
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.