Alert archive / Michigan / Beach Hazards Statements in 2021
Beach Hazards Statement 13, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Jul 28, 2021, 11:06 AM EDT for 6 counties in Michigan. It took effect at Jul 29, 2021, 2:00 AM EDT. It was in force for 40 hr.
The area
The counties it named.
The facts
- Issued
- Jul 28, 2021, 11:06 AM EDT (15:06 UTC)
- In effect from
- Jul 29, 2021, 2:00 AM EDT
- Expired
- Jul 30, 2021, 5:45 PM EDT
- In force
- 40 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 15:05 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, 3.1 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
- 87 J/kg
- Mixed-layer CIN
- -303 J/kg
- Mixed-layer LCL
- 1122 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted.
752 WHUS43 KGRR 281506 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1106 AM EDT Wed Jul 28 2021 MIZ037-043-050-056-064-071-282315- /O.NEW.KGRR.BH.S.0013.210729T0600Z-210730T1200Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1106 AM EDT Wed Jul 28 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * 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 Friday morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...A fast moving complex of thunderstorms will move across the lake shore late tonight and potentialy produce large waves at the beach. North winds behind the system tonight will result in strong currents...especially on the north side of piers Thursday. 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. && $$
9 follow-up statements
320 WHUS43 KGRR 281900 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 300 PM EDT Wed Jul 28 2021 MIZ037-043-050-056-064-071-290300- /O.CON.KGRR.BH.S.0013.210729T0600Z-210730T1200Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 300 PM EDT Wed Jul 28 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 AM EDT THURSDAY THROUGH FRIDAY MORNING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...From 2 AM EDT Thursday through Friday morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...A fast moving complex of thunderstorms will move across the lake shore late tonight and potentialy produce large waves at the beach along with fluctuationg lake levels. North winds behind the system tonight will result in strong currents...especially on the north side of piers Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
481 WHUS43 KGRR 290326 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1126 PM EDT Wed Jul 28 2021 MIZ037-043-050-056-064-071-291130- /O.CON.KGRR.BH.S.0013.210729T0600Z-210730T1200Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1126 PM EDT Wed Jul 28 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY MORNING... * 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...From 2 AM EDT Thursday through Friday morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...A fast moving complex of thunderstorms will move across the lake shore late tonight and potentialy produce large waves at the beach along with fluctuationg lake levels. North winds behind the system tonight will result in strong currents...especially on the north side of piers Thursday. 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. && $$ wdm
497 WHUS43 KGRR 290740 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 340 AM EDT Thu Jul 29 2021 MIZ037-043-050-056-064-071-291545- /O.CON.KGRR.BH.S.0013.000000T0000Z-210730T1200Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 340 AM EDT Thu Jul 29 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY MORNING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...From 2 AM EDT Thursday through Friday morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...A fast moving complex of thunderstorms will move across the lake shore early this morning and produce large waves at the beach along with fluctuations lake levels. North winds behind the system tonight will result in strong currents...especially on the north side of piers Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ wdm
178 WHUS43 KGRR 291003 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 603 AM EDT Thu Jul 29 2021 MIZ037-043-050-056-064-071-291815- /O.CON.KGRR.BH.S.0013.000000T0000Z-210730T1200Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 603 AM EDT Thu Jul 29 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY MORNING... * 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 Friday morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...North winds behind the cold front will result in strong currents...especially on the north side of piers Today 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. && $$ wdm
504 WHUS43 KGRR 291513 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1113 AM EDT Thu Jul 29 2021 MIZ037-043-050-056-064-071-292315- /O.CON.KGRR.BH.S.0013.000000T0000Z-210730T1200Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1113 AM EDT Thu Jul 29 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY MORNING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...Through Friday morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
003 WHUS43 KGRR 291927 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 327 PM EDT Thu Jul 29 2021 MIZ037-043-050-056-064-071-300330- /O.CON.KGRR.BH.S.0013.000000T0000Z-210730T1200Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 327 PM EDT Thu Jul 29 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY MORNING... * 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 Friday morning. * 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. && $$
934 WHUS43 KGRR 300744 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 344 AM EDT Fri Jul 30 2021 MIZ064-071-301545- /O.EXT.KGRR.BH.S.0013.000000T0000Z-210731T0000Z/ Allegan-Van Buren- 344 AM EDT Fri Jul 30 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Allegan and Van Buren counties. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Larger waves are expected to continue through the day...in the 3 to 5 foot range. Larger waves and stronger currents will make it dangerous to swim today. The most dangerous areas will be on the north side of north piers, such as North Beach in South Haven. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ MIZ037-043-050-056-301200- /O.CON.KGRR.BH.S.0013.000000T0000Z-210730T1200Z/ Mason-Oceana-Muskegon-Ottawa- 344 AM EDT Fri Jul 30 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Ottawa and Muskegon counties. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...The strongest winds and therefore the largest waves are expected before daybreak north of Holland. Winds will be slightly off shore and will be decreasing in speed through the morning. Therefore, conditions should improve through the course of the morning hours. Through 800 AM though, dangerous swimming conditions will be present. 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. && $$ DUKE
996 WHUS43 KGRR 301450 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1050 AM EDT Fri Jul 30 2021 MIZ064-071-302300- /O.CON.KGRR.BH.S.0013.000000T0000Z-210731T0000Z/ Allegan-Van Buren- 1050 AM EDT Fri Jul 30 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Allegan and Van Buren counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
923 WHUS43 KGRR 302145 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 545 PM EDT Fri Jul 30 2021 MIZ064-071-302245- /O.CAN.KGRR.BH.S.0013.000000T0000Z-210731T0000Z/ Allegan-Van Buren- 545 PM EDT Fri Jul 30 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... Waves no longer pose a significant hazard as they have subsided to around 3 feet or less. $$
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 10:58 AM EDT | Small Craft Advisory | GRR | 51 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.