Alert archive / Michigan / Beach Hazards Statements in 2021
Beach Hazards Statement 8, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Jul 4, 2021, 2:39 PM EDT for 4 counties in Michigan. It took effect at Jul 5, 2021, 5:00 AM EDT. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Jul 4, 2021, 2:39 PM EDT (18:39 UTC)
- In effect from
- Jul 5, 2021, 5:00 AM EDT
- Expired
- Jul 5, 2021, 11:00 PM EDT
- In force
- 18 hr
- Issued by
- NWS Grand Rapids, MI
Counties Mason County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI
The radar
The Grand Rapids radar (KGRR), 87 km from the middle of the area, began a volume at 18:42 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 6.7 hours before the alert went out and 184 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
- 2017 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
204 WHUS43 KGRR 041839 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 239 PM EDT Sun Jul 4 2021 MIZ037-043-050-050245- /O.NEW.KGRR.BH.S.0008.210705T0900Z-210706T0300Z/ Mason-Oceana-Muskegon- 239 PM EDT Sun Jul 4 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING... * WHAT...High wave action of 3 to 4 foot waves, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana and Muskegon counties. * WHEN...From late tonight through Monday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...the most dangerous conditions will be on the south side of piers or structures. 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. && $$
6 follow-up statements
222 WHUS43 KGRR 050353 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1153 PM EDT Sun Jul 4 2021 MIZ037-043-050-051200- /O.CON.KGRR.BH.S.0008.210705T0900Z-210706T0300Z/ Mason-Oceana-Muskegon- 1153 PM EDT Sun Jul 4 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 AM EDT MONDAY THROUGH MONDAY EVENING... * WHAT...High wave action of 3 to 4 foot waves, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana and Muskegon counties. * WHEN...From late tonight through Monday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The most dangerous conditions will be on the south side of piers or structures. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
403 WHUS43 KGRR 050800 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 400 AM EDT Mon Jul 5 2021 MIZ037-043-050-051700- /O.CON.KGRR.BH.S.0008.210705T0900Z-210706T0300Z/ Mason-Oceana-Muskegon- 400 AM EDT Mon Jul 5 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 and Muskegon counties. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The most dangerous conditions will be 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. && $$
551 WHUS43 KGRR 051230 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 830 AM EDT Mon Jul 5 2021 MIZ056-052030- /O.EXA.KGRR.BH.S.0008.000000T0000Z-210706T0300Z/ Ottawa- 830 AM EDT Mon Jul 5 2021 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Ottawa county. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The most dangerous conditions will be on the south side of piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ037-043-050-052030- /O.CON.KGRR.BH.S.0008.000000T0000Z-210706T0300Z/ Mason-Oceana-Muskegon- 830 AM EDT Mon Jul 5 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 and Muskegon counties. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The most dangerous conditions will be 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. && $$
524 WHUS43 KGRR 052013 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 413 PM EDT Mon Jul 5 2021 MIZ037-043-050-056-060300- /O.CON.KGRR.BH.S.0008.000000T0000Z-210706T0300Z/ Mason-Oceana-Muskegon-Ottawa- 413 PM EDT Mon Jul 5 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon and Ottawa counties. * WHEN...Until 11 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
606 WHUS43 KGRR 060107 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 907 PM EDT Mon Jul 5 2021 MIZ037-043-050-056-060300- /O.CON.KGRR.BH.S.0008.000000T0000Z-210706T0300Z/ Mason-Oceana-Muskegon-Ottawa- 907 PM EDT Mon Jul 5 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 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 and Ottawa counties. * WHEN...Until 11 PM EDT this evening. * 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. && $$
372 WHUS43 KGRR 060237 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1037 PM EDT Mon Jul 5 2021 MIZ037-043-050-056-060345- /O.EXP.KGRR.BH.S.0008.000000T0000Z-210706T0300Z/ Mason-Oceana-Muskegon-Ottawa- 1037 PM EDT Mon Jul 5 2021 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 11 PM EDT THIS EVENING... As the wind continues to decrease for the remainder of the evening...the waves will continue to diminish. They will largely remain under 4 feet for the remainder of the night. $$
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 2:40 PM EDT | Small Craft Advisory | GRR | 32 hr |
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.