Alert archive / Michigan / Beach Hazards Statements in 2021
Beach Hazards Statement 9, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Jul 8, 2021, 3:57 AM EDT for Allegan County, Ottawa County, Van Buren County, Michigan. It took effect at Jul 8, 2021, 2:00 PM EDT. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Jul 8, 2021, 3:57 AM EDT (07:57 UTC)
- In effect from
- Jul 8, 2021, 2:00 PM EDT
- Expired
- Jul 9, 2021, 3:09 AM EDT
- In force
- 13 hr
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Ottawa County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 58 km from the middle of the area, began a volume at 07:58 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 00:00Z, 8.0 hours before the alert went out and 221 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
- 594 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 787 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted.
126 WHUS43 KGRR 080757 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 357 AM EDT Thu Jul 8 2021 MIZ056-064-071-081600- /O.NEW.KGRR.BH.S.0009.210708T1800Z-210709T0900Z/ Ottawa-Allegan-Van Buren- 357 AM EDT Thu Jul 8 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Ottawa, Allegan and Van Buren counties. * WHEN...From 2 PM EDT this afternoon through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Waves are expected to build into the 3 to 5 foot range late this afternoon and evening. Winds will be from the northwest which will make north sides of north piers dangerous places to swim, including Holland State Park and North Beach in South Haven. Waves will subside late tonight and into Friday morning. 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. && $$ DUKE
4 follow-up statements
905 WHUS43 KGRR 081502 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1102 AM EDT Thu Jul 8 2021 MIZ056-064-071-082315- /O.CON.KGRR.BH.S.0009.210708T1800Z-210709T0900Z/ Ottawa-Allegan-Van Buren- 1102 AM EDT Thu Jul 8 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Ottawa, Allegan and Van Buren counties. * WHEN...From 2 PM EDT this afternoon through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Waves are expected to build into the 3 to 5 foot range this afternoon and evening. Winds will be from the northwest which will make north sides of north piers dangerous places to swim, including Holland State Park and North Beach in South Haven. Waves will subside late tonight and into Friday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
300 WHUS43 KGRR 081936 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 336 PM EDT Thu Jul 8 2021 MIZ056-064-071-090345- /O.CON.KGRR.BH.S.0009.000000T0000Z-210709T0900Z/ Ottawa-Allegan-Van Buren- 336 PM EDT Thu Jul 8 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...Ottawa, Allegan and Van Buren counties. * WHEN...From through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Waves of 3 to 5 foot will continue into this evening. Winds will be from the northwest which will make north sides of north piers dangerous places to swim, including Holland State Park and North Beach in South Haven. Waves will subside late tonight and into Friday morning. 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. && $$
862 WHUS43 KGRR 090136 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 936 PM EDT Thu Jul 8 2021 MIZ056-064-071-090900- /O.CON.KGRR.BH.S.0009.000000T0000Z-210709T0900Z/ Ottawa-Allegan-Van Buren- 936 PM EDT Thu Jul 8 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 5 AM EDT FRIDAY... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Ottawa, Allegan and Van Buren counties. * WHEN...From through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ wdm
511 WHUS43 KGRR 090709 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 309 AM EDT Fri Jul 9 2021 MIZ056-064-071-090815- /O.CAN.KGRR.BH.S.0009.000000T0000Z-210709T0900Z/ Ottawa-Allegan-Van Buren- 309 AM EDT Fri Jul 9 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... Waves have fallen to 1 to 3 feet south of Grand Haven and therefore the Beach Hazards Statement has been cancelled. $$ DUKE
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 11:28 PM EDT | Special Weather Statement | GRR | Allegan, Van Buren | 62 min |
| Jul 8, 12:33 AM EDT | Special Weather Statement | GRR | Barry, Kalamazoo | 57 min |
| Jul 8, 1:39 AM EDT | Special Weather Statement | GRR | Barry, Calhoun, Eaton, Kalamazoo | 66 min |
| Jul 8, 3:55 AM EDT | Small Craft Advisory | GRR | 23 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.