Alert archive / Michigan / Beach Hazards Statements in 2016
Beach Hazards Statement 21, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Sep 7, 2016, 3:39 PM EDT for 4 counties in Michigan. It took effect at Sep 8, 2016, 12:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Sep 7, 2016, 3:39 PM EDT (19:39 UTC)
- In effect from
- Sep 8, 2016, 12:00 AM EDT
- Expired
- Sep 7, 2016, 10:35 PM EDT
- In force
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Muskegon County, MI, Ottawa County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 52 km from the middle of the area, began a volume at 19:42 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 12:00Z, 7.7 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
- 1764 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 629 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.5
The text
As transmitted.
329 WHUS43 KGRR 071939 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 339 PM EDT WED SEP 7 2016 MIZ050-056-064-071-080345- /O.NEW.KGRR.BH.S.0021.160908T0400Z-160908T1400Z/ MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN- 339 PM EDT WED SEP 7 2016 ...BEACH HAZARDS STATEMENT IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH THURSDAY MORNING... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH HAZARDS STATEMENT...WHICH IS IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH THURSDAY MORNING. * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS POSSIBLE. * LOCATION...BEACHES FROM ST. JOSEPH TO WHITEHALL BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE... SOUTH BEACH IN SOUTH HAVEN... GRAND HAVEN STATE PARK... PERE MARQUETTE PARK IN MUSKEGON. * OVERVIEW/POTENTIAL IMPACTS...A STRONGER SOUTH TO SOUTHWEST FLOW TONIGHT IS FORECASTED TO CREATE HAZARDOUS SWIMMING CONDITIONS. THE HAZARDOUS CONDITIONS COULD PERSIST INTO THURSDAY. 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. && $$ WEATHER.GOV/GRR
1 follow-up statement
795 WHUS43 KGRR 080235 CFWGRR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1035 PM EDT WED SEP 7 2016 MIZ050-056-064-071-080345- /O.CAN.KGRR.BH.S.0021.160908T0400Z-160908T1400Z/ MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN- 1035 PM EDT WED SEP 7 2016 ...BEACH HAZARDS STATEMENT IS CANCELLED... THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE BEACH HAZARDS STATEMENT. $$ WEATHER.GOV/GRR
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 9:07 PM EDT | Special Weather Statement | GRR | Barry, Kent | 53 min |
| Sep 6, 10:46 PM EDT | Areal Flood Advisory | GRR | Muskegon | 3 hr |
| Sep 6, 11:13 PM EDT | Special Weather Statement | GRR | Mason, Oceana | 62 min |
| Sep 7, 11:19 AM EDT | Flood Watch | GRR | Allegan, Barry, Clare, Gratiot, Ionia, Isabella and 12 more | 11 hr |
| Sep 7, 12:48 PM EDT | Special Weather Statement | GRR | Ionia | 57 min |
| Sep 7, 1:46 PM EDT | Special Weather Statement | GRR | Clinton | 59 min |
| Sep 7, 2:06 PM EDT | Special Marine Warning | GRR | 84 min | |
| Sep 7, 2:09 PM EDT | Special Weather Statement | GRR | Eaton, Ingham | 66 min |
| Sep 7, 2:25 PM EDT | Special Weather Statement | GRR | Clinton | 50 min |
| Sep 7, 3:02 PM EDT | Severe Thunderstorm Warning | GRR | Ingham, Jackson | 28 min |
| Sep 7, 3:26 PM EDT | Small Craft Advisory | GRR | 7 hr | |
| Sep 7, 4:58 PM EDT | Areal Flood Advisory | GRR | Oceana | 6 hr |
| Sep 7, 6:32 PM EDT | Areal Flood Advisory | GRR | Lake, Mecosta, Newaygo, Osceola | 5 hr |
| Sep 7, 6:43 PM EDT | Special Weather Statement | GRR | Muskegon, Newaygo | 62 min |
| Sep 7, 7:26 PM EDT | Areal Flood Advisory | GRR | Muskegon | 12 hr |
| Sep 7, 7:57 PM EDT | Special Weather Statement | GRR | Ottawa | 63 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.