Alert archive / Michigan / Beach Hazards Statements in 2020
Beach Hazards Statement 7, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Jul 11, 2020, 3:51 PM EDT for 6 counties in Michigan. It took effect at Jul 12, 2020, 8:00 AM EDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Jul 11, 2020, 3:51 PM EDT (19:51 UTC)
- In effect from
- Jul 12, 2020, 8:00 AM EDT
- Expired
- Jul 12, 2020, 9:32 PM EDT
- In force
- 14 hr
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Mason County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 60 km from the middle of the area, began a volume at 19:52 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, 7.9 hours before the alert went out and 214 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1769 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
197 WHUS43 KGRR 111951 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 351 PM EDT Sat Jul 11 2020 MIZ037-043-120400- /O.NEW.KGRR.BH.S.0007.200712T1200Z-200713T0400Z/ Mason-Oceana- 351 PM EDT Sat Jul 11 2020 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...From Sunday morning through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Winds will increase out of the north through the day, increasing to 15 to 25 mph in the afternoon. Waves will build to 3 to 5 feet creating dangerous swimming conditions. The worst areas to swim on Sunday will be on the north side of north piers. Steer clear of the pier on Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ050-056-064-071-120400- /O.NEW.KGRR.BH.S.0007.200712T1600Z-200713T0800Z/ Muskegon-Ottawa-Allegan-Van Buren- 351 PM EDT Sat Jul 11 2020 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From Sunday afternoon through late Sunday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Winds will increase out of the north Sunday afternoon and evening, increasing to 15 to 30 mph. Waves will build to 3 to 6 feet creating dangerous swimming conditions. The worst areas to swim on Sunday will be on the north side of north piers. Steer clear of the pier on Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ DUKE
4 follow-up statements
544 WHUS43 KGRR 120743 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 343 AM EDT Sun Jul 12 2020 MIZ037-043-121545- /O.CON.KGRR.BH.S.0007.200712T1200Z-200713T0400Z/ Mason-Oceana- 343 AM EDT Sun Jul 12 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...From Sunday morning through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Winds will increase out of the north to 15 to 25 mph this afternoon. Waves will build to 3 to 5 feet creating dangerous swimming conditions. The worst areas to swim will be on the north side of north piers, such as at Stearns Park in Ludington and Mears State park in Pentwater. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ050-056-064-071-121545- /O.CON.KGRR.BH.S.0007.200712T1600Z-200713T0800Z/ Muskegon-Ottawa-Allegan-Van Buren- 343 AM EDT Sun Jul 12 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM NOON EDT TODAY THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From Sunday afternoon through late Sunday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Winds will increase out of the north to 15 to 30 this afternoon and evening. Waves will build to 3 to 6 feet creating dangerous swimming conditions. The worst areas to swim today will be on the north side of north piers, which includes Muskegon State Park, Holland State Park, and North Beach in South Haven. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
285 WHUS43 KGRR 121436 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1036 AM EDT Sun Jul 12 2020 MIZ037-043-122245- /O.CON.KGRR.BH.S.0007.000000T0000Z-200713T0400Z/ Mason-Oceana- 1036 AM EDT Sun Jul 12 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of piers will be the most dangerous area, in addition to the higher waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ050-056-064-071-122245- /O.CON.KGRR.BH.S.0007.200712T1600Z-200713T0800Z/ Muskegon-Ottawa-Allegan-Van Buren- 1036 AM EDT Sun Jul 12 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From this afternoon through late Sunday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The north side of piers will be the most dangerous area, in addition to the higher waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
918 WHUS43 KGRR 121946 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 346 PM EDT Sun Jul 12 2020 MIZ037-043-130400- /O.CON.KGRR.BH.S.0007.000000T0000Z-200713T0400Z/ Mason-Oceana- 346 PM EDT Sun Jul 12 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason and Oceana counties. * WHEN...Until midnight EDT tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Waves will peak in the 3 to 5 foot range in the afternoon and early evening hours. Winds and waves will diminish considerably after dark. North sides of north piers will be dangerous places to swim through sunset. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ050-056-064-071-130400- /O.CON.KGRR.BH.S.0007.000000T0000Z-200713T0800Z/ Muskegon-Ottawa-Allegan-Van Buren- 346 PM EDT Sun Jul 12 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...Through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Winds and waves will continue to ramp up through the evening hours. North winds of 15 to 30 mph will build waves into the 3 to 6 foot range. Waves will peak between 8pm and 9pm this evening. North sides of north piers will be dangerous places to swim. Steer clear of the pier. Know your swimming ability and when in doubt don't go out. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ DUKE
814 WHUS43 KGRR 130132 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 932 PM EDT Sun Jul 12 2020 MIZ050-056-064-071-130800- /O.CAN.KGRR.BH.S.0007.000000T0000Z-200713T0800Z/ /O.NEW.KGRR.BH.S.0008.200713T0400Z-200713T0800Z/ Muskegon-Ottawa-Allegan-Van Buren- 932 PM EDT Sun Jul 12 2020 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 4 AM EDT MONDAY... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...Until 4 AM EDT Monday. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ037-043-130245- /O.CAN.KGRR.BH.S.0007.000000T0000Z-200713T0400Z/ Mason-Oceana- 932 PM EDT Sun Jul 12 2020 ...BEACH HAZARDS STATEMENT IS CANCELLED... Waves have diminished and the statement is canceled. $$
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 3:45 PM EDT | Small Craft Advisory | GRR | 30 hr |
Nearby
Beach Hazards Statements in Michigan, 2020Every beach hazards statement in 2020
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.