Alert archive / Michigan / Beach Hazards Statements in 2018
Beach Hazards Statement 15, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Sep 4, 2018, 3:02 PM EDT for 4 counties in Michigan. It took effect at Sep 5, 2018, 2:00 AM EDT. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Sep 4, 2018, 3:02 PM EDT (19:02 UTC)
- In effect from
- Sep 5, 2018, 2:00 AM EDT
- Expired
- Sep 5, 2018, 8:00 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 19:03 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, 7.0 hours before the alert went out and 246 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
- 530 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1045 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 142 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
907 WHUS43 KGRR 041902 CFWGRR LAKESHORE HAZARD MESSAGE National Weather Service GRAND RAPIDS MI 302 PM EDT Tue Sep 4 2018 MIZ037-043-050315- /O.NEW.KGRR.BH.S.0015.180905T0600Z-180906T0000Z/ Mason-Oceana- 302 PM EDT Tue Sep 4 2018 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH WEDNESDAY EVENING... The National Weather Service in Grand Rapids has issued a Beach Hazards Statement...which is in effect from 2 AM EDT Wednesday through Wednesday evening. * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS POSSIBLE. * LOCATION...BEACHES FROM STONY LAKE TO MANISTEE. * OVERVIEW/POTENTIAL IMPACTS...SOUTHERLY WINDS WILL INCREASE THIS EVENING AND WEDNESDAY LEADING TO WAVES OF 4 TO 6 FEET. STRONG STRUCTURAL AND LONGSHORE CURRENTS ARE LIKELY. PRECAUTIONARY/PREPAREDNESS ACTIONS... High Wave Action makes swimming difficult and can tire even a strong swimmer quickly. Structural currents form along piers where longshore currents and wave action flow into the structure. Structural Currents can sweep you out into deeper water along the pier structure. A longshore current is a lake current that moves parallel to shore. Longshore currents can be strong enough to Prevent swimmers from being able to keep their feet on the bottom... making it difficult to return to shore. Rip currents are powerful channels of water flowing quickly away from shore...which occur most often at low spots or breaks in sandbars. Rip currents can sweep you into deeper water. && $$ WEATHER.GOV/GRR BORCHARDT
4 follow-up statements
086 WHUS43 KGRR 050126 CFWGRR LAKESHORE HAZARD MESSAGE National Weather Service GRAND RAPIDS MI 926 PM EDT Tue Sep 4 2018 MIZ050-056-050930- /O.EXA.KGRR.BH.S.0015.180905T0600Z-180906T0000Z/ Muskegon-Ottawa- 926 PM EDT Tue Sep 4 2018 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH WEDNESDAY EVENING... The National Weather Service in Grand Rapids has issued a Beach Hazards Statement...which is in effect from 2 AM EDT Wednesday through Wednesday evening. * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS POSSIBLE. * LOCATION...BEACHES FROM HOLLAND TO MANISTEE. * BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE GRAND HAVEN STATE PARK AND PERE MARQUETTE PARK IN MUSKEGON. * OVERVIEW/POTENTIAL IMPACTS...SOUTHERLY WINDS WILL INCREASE TONIGHT AND WEDNESDAY LEADING TO WAVES OF 4 TO 6 FEET. STRONG STRUCTURAL AND LONGSHORE CURRENTS ARE LIKELY. SWIMMING NEAR THE SOUTH SIDE OF SOUTH PIERS IS NOT ADVISED. PRECAUTIONARY/PREPAREDNESS ACTIONS... High Wave Action makes swimming difficult and can tire even a strong swimmer quickly. Structural currents form along piers where longshore currents and wave action flow into the structure. Structural Currents can sweep you out into deeper water along the pier structure. A longshore current is a lake current that moves parallel to shore. Longshore currents can be strong enough to Prevent swimmers from being able to keep their feet on the bottom... making it difficult to return to shore. Rip currents are powerful channels of water flowing quickly away from shore...which occur most often at low spots or breaks in sandbars. Rip currents can sweep you into deeper water. && $$ MIZ037-043-050930- /O.CON.KGRR.BH.S.0015.180905T0600Z-180906T0000Z/ Mason-Oceana- 926 PM EDT Tue Sep 4 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH WEDNESDAY EVENING... * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS POSSIBLE. * LOCATION...BEACHES FROM HOLLAND TO MANISTEE. * OVERVIEW/POTENTIAL IMPACTS...SOUTHERLY WINDS WILL INCREASE TONIGHT AND WEDNESDAY LEADING TO WAVES OF 4 TO 6 FEET. STRONG STRUCTURAL AND LONGSHORE CURRENTS ARE LIKELY. SWIMMING NEAR THE SOUTH SIDE OF SOUTH PIERS IS NOT ADVISED. PRECAUTIONARY/PREPAREDNESS ACTIONS... High Wave Action makes swimming difficult and can tire even a strong swimmer quickly. Structural currents form along piers where longshore currents and wave action flow into the structure. Structural Currents can sweep you out into deeper water along the pier structure. A longshore current is a lake current that moves parallel to shore. Longshore currents can be strong enough to Prevent swimmers from being able to keep their feet on the bottom... making it difficult to return to shore. Rip currents are powerful channels of water flowing quickly away from shore...which occur most often at low spots or breaks in sandbars. Rip currents can sweep you into deeper water. && $$ WEATHER.GOV/GRR
668 WHUS43 KGRR 050741 CFWGRR LAKESHORE HAZARD MESSAGE National Weather Service GRAND RAPIDS MI 341 AM EDT Wed Sep 5 2018 MIZ037-043-050-056-051545- /O.CON.KGRR.BH.S.0015.000000T0000Z-180906T0000Z/ Mason-Oceana-Muskegon-Ottawa- 341 AM EDT Wed Sep 5 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS POSSIBLE. * LOCATION...BEACHES FROM HOLLAND TO MANISTEE. * BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE GRAND HAVEN STATE PARK AND PERE MARQUETTE PARK IN MUSKEGON. * OVERVIEW/POTENTIAL IMPACTS...SOUTHERLY WINDS WILL INCREASE TONIGHT AND WEDNESDAY LEADING TO WAVES OF 4 TO 6 FEET. STRONG STRUCTURAL AND LONGSHORE CURRENTS ARE LIKELY. SWIMMING NEAR THE SOUTH SIDE OF SOUTH PIERS IS NOT ADVISED. PRECAUTIONARY/PREPAREDNESS ACTIONS... High Wave Action makes swimming difficult and can tire even a strong swimmer quickly. Structural currents form along piers where longshore currents and wave action flow into the structure. Structural Currents can sweep you out into deeper water along the pier structure. A longshore current is a lake current that moves parallel to shore. Longshore currents can be strong enough to Prevent swimmers from being able to keep their feet on the bottom... making it difficult to return to shore. Rip currents are powerful channels of water flowing quickly away from shore...which occur most often at low spots or breaks in sandbars. Rip currents can sweep you into deeper water. && $$ WEATHER.GOV/GRR
941 WHUS43 KGRR 051535 CFWGRR LAKESHORE HAZARD MESSAGE National Weather Service GRAND RAPIDS MI 1135 AM EDT Wed Sep 5 2018 MIZ037-043-050-056-052345- /O.CON.KGRR.BH.S.0015.000000T0000Z-180906T0000Z/ Mason-Oceana-Muskegon-Ottawa- 1135 AM EDT Wed Sep 5 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * HIGH WAVE ACTION...STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS POSSIBLE. * LOCATION...BEACHES FROM HOLLAND TO MANISTEE. * BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE GRAND HAVEN STATE PARK AND PERE MARQUETTE PARK IN MUSKEGON. * OVERVIEW/POTENTIAL IMPACTS...SOUTHWEST WINDS OF 15 TO 25 KNOTS EARLY THIS AFTERNOON WILL BECOME NORTH THIS EVENING. WAVES OF 3 TO 6 FEET ARE EXPECTED THIS AFTERNOON BEFORE SUBSIDING THIS EVENING. STRONG STRUCTURAL AND LONGSHORE CURRENTS ARE LIKELY. SWIMMING NEAR THE SOUTH SIDE OF SOUTH PIERS IS NOT ADVISED. PRECAUTIONARY/PREPAREDNESS ACTIONS... High Wave Action makes swimming difficult and can tire even a strong swimmer quickly. Structural currents form along piers where longshore currents and wave action flow into the structure. Structural Currents can sweep you out into deeper water along the pier structure. A longshore current is a lake current that moves parallel to shore. Longshore currents can be strong enough to Prevent swimmers from being able to keep their feet on the bottom... making it difficult to return to shore. Rip currents are powerful channels of water flowing quickly away from shore...which occur most often at low spots or breaks in sandbars. Rip currents can sweep you into deeper water. && $$ WEATHER.GOV/GRR DUKE
981 WHUS43 KGRR 051943 CFWGRR LAKESHORE HAZARD MESSAGE National Weather Service GRAND RAPIDS MI 343 PM EDT Wed Sep 5 2018 MIZ037-043-050-056-060000- /O.CON.KGRR.BH.S.0015.000000T0000Z-180906T0000Z/ Mason-Oceana-Muskegon-Ottawa- 343 PM EDT Wed Sep 5 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * HIGH WAVE ACTION...STRONG CURRENTS AND DANGEROUS SWIMMING CONDITIONS EXPECTED. * STRONG STRUCTURAL CURRENTS EXPECTED. * STRONG LONGSHORE CURRENTS EXPECTED. * RIP CURRENTS POSSIBLE. * LOCATION...BEACHES FROM HOLLAND TO MANISTEE. * BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE GRAND HAVEN STATE PARK AND PERE MARQUETTE PARK IN MUSKEGON. * OVERVIEW/POTENTIAL IMPACTS...SOUTHWEST WINDS OF 15 TO 25 KNOTS EARLY THIS AFTERNOON WILL BECOME NORTH THIS EVENING. WAVES OF 3 TO 5 FEET ARE EXPECTED TO SUBSIDE THIS EVENING. STRONG STRUCTURAL AND LONGSHORE CURRENTS ARE LIKELY. SWIMMING NEAR PIERS IS NOT ADVISED. PRECAUTIONARY/PREPAREDNESS ACTIONS... High Wave Action makes swimming difficult and can tire even a strong swimmer quickly. Structural currents form along piers where longshore currents and wave action flow into the structure. Structural Currents can sweep you out into deeper water along the pier structure. A longshore current is a lake current that moves parallel to shore. Longshore currents can be strong enough to Prevent swimmers from being able to keep their feet on the bottom... making it difficult to return to shore. Rip currents are powerful channels of water flowing quickly away from shore...which occur most often at low spots or breaks in sandbars. Rip currents can sweep you into deeper water. && $$ WEATHER.GOV/GRR
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 2:58 PM EDT | Small Craft Advisory | GRR | 29 hr |
Nearby
Beach Hazards Statements in Michigan, 2018Every beach hazards statement in 2018
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.