Alert archive / Michigan / Beach Hazards Statements in 2021
Beach Hazards Statement 4, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Jun 20, 2021, 4:52 AM EDT for 6 counties in Michigan. It took effect at Jun 21, 2021, 12:00 AM EDT. It was in force for 26 hr.
The area
The counties it named.
The facts
- Issued
- Jun 20, 2021, 4:52 AM EDT (08:52 UTC)
- In effect from
- Jun 21, 2021, 12:00 AM EDT
- Expired
- Jun 22, 2021, 2:00 AM EDT
- In force
- 26 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 08:54 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, 8.9 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
- 1339 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
678 WHUS43 KGRR 200852 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 452 AM EDT Sun Jun 20 2021 MIZ037-043-050-056-064-071-201700- /O.NEW.KGRR.BH.S.0004.210621T0400Z-210622T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 452 AM EDT Sun Jun 20 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT... * 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 late Monday night. * 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. && $$
6 follow-up statements
490 WHUS43 KGRR 201432 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1032 AM EDT Sun Jun 20 2021 MIZ037-043-050-056-064-071-202245- /O.CON.KGRR.BH.S.0004.210621T0400Z-210622T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1032 AM EDT Sun Jun 20 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From late tonight through late Monday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ wdm
204 WHUS43 KGRR 202002 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 402 PM EDT Sun Jun 20 2021 MIZ037-043-050-056-064-071-210415- /O.CON.KGRR.BH.S.0004.210621T0400Z-210622T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 402 PM EDT Sun Jun 20 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH LATE MONDAY NIGHT... * 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 late Monday night. * 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. && $$ wdm
162 WHUS43 KGRR 210848 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 448 AM EDT Mon Jun 21 2021 MIZ037-043-050-056-064-071-211700- /O.CON.KGRR.BH.S.0004.000000T0000Z-210622T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 448 AM EDT Mon Jun 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...Through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
080 WHUS43 KGRR 211540 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1140 AM EDT Mon Jun 21 2021 MIZ037-043-050-056-064-071-212345- /O.CON.KGRR.BH.S.0004.000000T0000Z-210622T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1140 AM EDT Mon Jun 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions will continue. Piers will continue to be heavily swamped by waves. * WHERE...Mason, Oceana, 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. 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. && $$ wdm
564 WHUS43 KGRR 211942 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 342 PM EDT Mon Jun 21 2021 MIZ037-043-050-056-064-071-220345- /O.CON.KGRR.BH.S.0004.000000T0000Z-210622T0600Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 342 PM EDT Mon Jun 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT TUESDAY... * WHAT...High wave action, strong currents, and dangerous swimming conditions will continue. Piers will continue to be heavily swamped by waves. * WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...Through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ wdm
817 WHUS43 KGRR 220256 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1056 PM EDT Mon Jun 21 2021 MIZ037-043-050-056-220400- /O.CAN.KGRR.BH.S.0004.000000T0000Z-210622T0600Z/ Mason-Oceana-Muskegon-Ottawa- 1056 PM EDT Mon Jun 21 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... Waves have diminished and therefore dangerous currents have likely diminished as well. $$ MIZ064-071-220600- /O.CON.KGRR.BH.S.0004.000000T0000Z-210622T0600Z/ Allegan-Van Buren- 1056 PM EDT Mon Jun 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT TUESDAY... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Allegan and Van Buren counties. * WHEN...Until 2 AM EDT Tuesday. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 4:50 AM EDT | Small Craft Advisory | GRR | 45 hr | |
| Jun 20, 7:05 PM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 55 min |
| Jun 20, 7:13 PM EDT | Special Marine Warning | GRR | 92 min | |
| Jun 20, 7:56 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Calhoun, Kalamazoo, Van Buren | 64 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.