Alert archive / Michigan / Beach Hazards Statements in 2021
Beach Hazards Statement 10, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Jul 14, 2021, 3:17 AM EDT for 6 counties in Michigan. It took effect at Jul 15, 2021, 2:00 AM EDT. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Jul 14, 2021, 3:17 AM EDT (07:17 UTC)
- In effect from
- Jul 15, 2021, 2:00 AM EDT
- Expired
- Jul 15, 2021, 6:13 PM EDT
- In force
- 16 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 07:19 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 7.3 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
- 376 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1642 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
401 WHUS43 KGRR 140717 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 317 AM EDT Wed Jul 14 2021 MIZ037-043-050-056-064-071-141530- /O.NEW.KGRR.BH.S.0010.210715T0600Z-210716T0000Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 317 AM EDT Wed Jul 14 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From late tonight through Thursday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Swim conditions will be especially hazardous on the south side of 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. && $$
7 follow-up statements
656 WHUS43 KGRR 141546 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1146 AM EDT Wed Jul 14 2021 MIZ037-043-050-056-064-071-150000- /O.CON.KGRR.BH.S.0010.210715T0600Z-210716T0000Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1146 AM EDT Wed Jul 14 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From late tonight through Thursday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Swim conditions will be especially hazardous on the south side of piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ wdm
193 WHUS43 KGRR 141933 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 333 PM EDT Wed Jul 14 2021 MIZ037-043-050-056-064-071-150345- /O.CON.KGRR.BH.S.0010.210715T0600Z-210716T0000Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 333 PM EDT Wed Jul 14 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 AM EDT THURSDAY THROUGH THURSDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From late tonight through Thursday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Swim conditions will be especially hazardous on the south side of 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. && $$ wdm
357 WHUS43 KGRR 150223 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1023 PM EDT Wed Jul 14 2021 MIZ037-043-050-056-064-071-151030- /O.CON.KGRR.BH.S.0010.210715T0600Z-210716T0000Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1023 PM EDT Wed Jul 14 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 AM EDT THURSDAY THROUGH THURSDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From late tonight through Thursday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Swim conditions will be especially hazardous on the south side of piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
805 WHUS43 KGRR 150751 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 351 AM EDT Thu Jul 15 2021 MIZ037-043-050-056-064-071-151600- /O.CON.KGRR.BH.S.0010.000000T0000Z-210716T0000Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 351 AM EDT Thu Jul 15 2021 ...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, Oceana, Muskegon, Ottawa, Allegan, and Van Buren counties. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Conditions will be especially hazardous near the south piers this morning, though the north piers at beaches north of Muskegon may also see hazardous currents during the middle of the day. 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. && $$
562 WHUS43 KGRR 151533 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1133 AM EDT Thu Jul 15 2021 MIZ037-043-050-056-064-071-152345- /O.CON.KGRR.BH.S.0010.000000T0000Z-210716T0000Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1133 AM EDT Thu Jul 15 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan, and Van Buren counties. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Conditions will be especially hazardous near the south piers this morning, though the north piers at beaches north of Muskegon may also see hazardous currents during the middle of the day. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ wdm
566 WHUS43 KGRR 151947 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 347 PM EDT Thu Jul 15 2021 MIZ037-043-050-056-064-071-160000- /O.CON.KGRR.BH.S.0010.000000T0000Z-210716T0000Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 347 PM EDT Thu Jul 15 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan, and Van Buren counties. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Conditions will be especially hazardous near the south piers this morning, though the north piers at beaches north of Muskegon may also see hazardous currents during the middle of the day. 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. && $$ wdm
885 WHUS43 KGRR 152213 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 613 PM EDT Thu Jul 15 2021 MIZ037-043-050-056-064-071-152315- /O.CAN.KGRR.BH.S.0010.000000T0000Z-210716T0000Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 613 PM EDT Thu Jul 15 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... Waves have fallen to 1 to 3 feet and therefore the Beach Hazards Statement has been cancelled. $$
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 3:12 AM EDT | Small Craft Advisory | GRR | 39 hr | |
| Jul 14, 6:04 PM EDT | Special Marine Warning | GRR | 56 min |
Nearby
Beach Hazards Statements in Michigan, 2021Every beach hazards statement in 2021
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.