Alert archive / Michigan / Beach Hazards Statements in 2021
Beach Hazards Statement 20, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Sep 1, 2021, 11:39 AM EDT for 5 counties in Michigan. It took effect at Sep 1, 2021, 4:00 PM EDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Sep 1, 2021, 11:39 AM EDT (15:39 UTC)
- In effect from
- Sep 1, 2021, 4:00 PM EDT
- Expired
- Sep 2, 2021, 3:00 AM EDT
- In force
- 11 hr
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 52 km from the middle of the area, began a volume at 15:38 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 12:00Z, 3.7 hours before the alert went out and 226 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
- 997 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -100 m²/s²
- 0-3 km storm-relative helicity
- -15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
511 WHUS43 KGRR 011539 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1139 AM EDT Wed Sep 1 2021 MIZ056-064-071-012345- /O.NEW.KGRR.BH.S.0020.210901T2000Z-210902T0700Z/ Ottawa-Allegan-Van Buren- 1139 AM EDT Wed Sep 1 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 4 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 4 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 will build to 3 to 5 feet this afternoon and evening due to gusty northerly winds. The north sides of pier will become especially dangerous. 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. && $$ MIZ043-050-012345- /O.NEW.KGRR.BH.S.0020.210901T2000Z-210902T0300Z/ Oceana-Muskegon- 1139 AM EDT Wed Sep 1 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 4 PM THIS AFTERNOON TO 11 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Oceana and Muskegon counties. * WHEN...From 4 PM this afternoon to 11 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Waves will build to 3 to 5 feet this afternoon and evening due to gusty northerly winds. The north sides of pier will become especially dangerous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
3 follow-up statements
132 WHUS43 KGRR 011920 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 320 PM EDT Wed Sep 1 2021 MIZ056-064-071-020330- /O.CON.KGRR.BH.S.0020.210901T2000Z-210902T0700Z/ Ottawa-Allegan-Van Buren- 320 PM EDT Wed Sep 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 3 AM EDT THURSDAY... * 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 4 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 will build to 3 to 5 feet late this afternoon and evening due to gusty northerly winds. The north sides of pier will become especially dangerous. 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. && $$ MIZ043-050-020300- /O.CON.KGRR.BH.S.0020.210901T2000Z-210902T0300Z/ Oceana-Muskegon- 320 PM EDT Wed Sep 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Oceana and Muskegon counties. * WHEN...From 4 PM this afternoon to 11 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Waves will build to 3 to 5 feet late this afternoon and evening due to gusty northerly winds. The north sides of pier will become especially dangerous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
289 WHUS43 KGRR 020145 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 945 PM EDT Wed Sep 1 2021 MIZ043-050-020245- /O.CAN.KGRR.BH.S.0020.000000T0000Z-210902T0300Z/ Oceana-Muskegon- 945 PM EDT Wed Sep 1 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... Winds and waves are both subsiding this evening and therefore the Beach Hazards Statement has been cancelled to the north of Grand Haven. $$ MIZ056-064-071-020700- /O.CON.KGRR.BH.S.0020.000000T0000Z-210902T0700Z/ Ottawa-Allegan-Van Buren- 945 PM EDT Wed Sep 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 3 AM EDT THURSDAY... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Allegan, Van Buren and Ottawa counties. * WHEN...Until 3 AM EDT Thursday. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Wind and waves will subside overnight, but through 300 AM...3 to 5 foot waves are still expected. The highest waves will be from Saugatuck down the shoreline the remainder of the evening and night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ DUKE
975 WHUS43 KGRR 020712 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 312 AM EDT Thu Sep 2 2021 MIZ056-064-071-020815- /O.EXP.KGRR.BH.S.0020.000000T0000Z-210902T0700Z/ Ottawa-Allegan-Van Buren- 312 AM EDT Thu Sep 2 2021 ...BEACH HAZARDS STATEMENT HAS EXPIRED... Winds and waves have subsided to a safe level. $$
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 11:41 AM EDT | Small Craft Advisory | GRR | 15 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.