Alert archive / California / Beach Hazards Statements in 2018
Beach Hazards Statement 6, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Jul 24, 2018, 10:09 AM PDT for Del Norte County, Humboldt County, Mendocino County, California. It was in force for 31 hr.
The area
The counties it named.
The facts
- Issued
- Jul 24, 2018, 10:09 AM PDT (17:09 UTC)
- Expired
- Jul 25, 2018, 5:00 PM PDT
- In force
- 31 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 47 km from the middle of the area, began a volume at 17:13 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
Medford/Jackson, OR (KMFR), launched 12:00Z, 5.2 hours before the alert went out and 210 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
- 2050 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
544 WHUS46 KEKA 241709 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1009 AM PDT Tue Jul 24 2018 ...Longer period southerly swell through Wednesday evening... .A southerly swell with a longer periods should continue to impact the coastal zones through Wednesday evening. Hazardous beach conditions will occur due to the larger than normal breaking waves along south facing beaches, such as Shelter Cove and South Beach at Crescent City. Wave conditions should begin to improve by late Wednesday afternoon. CAZ101-103-104-109-250500- /O.NEW.KEKA.BH.S.0006.180724T1709Z-180726T0000Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1009 AM PDT Tue Jul 24 2018 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH WEDNESDAY AFTERNOON... The National Weather Service in Eureka has issued a Beach Hazards Statement...which is in effect through Wednesday afternoon. * WAVES AND SURF...Southerly swell will increase to 4 locally up to 5 feet late today with a period of 17 to 21 seconds. Breaking waves of 8 to 11 feet will be possible at favored locations. * HAZARDS...Increased risk of larger than normal breaking waves at south facing beaches. * TIMING...Now through through Wednesday evening. * IMPACTS...Larger surf at offshore breaks along the south facing beaches of northwest California. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
4 follow-up statements
742 WHUS46 KEKA 250502 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1002 PM PDT Tue Jul 24 2018 ...Longer period southerly swell through Wednesday evening... .A southerly swell with a longer periods should continue to impact the coastal zones through Wednesday evening. Hazardous beach conditions will occur due to the larger than normal breaking waves along south facing beaches, such as Shelter Cove and South Beach at Crescent City. Wave conditions should begin to improve by late Wednesday afternoon. CAZ101-103-104-109-251315- /O.CON.KEKA.BH.S.0006.000000T0000Z-180726T0000Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1002 PM PDT Tue Jul 24 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY AFTERNOON... * WAVES AND SURF...Southerly swell to 4 to 5 feet with a period of 17 to 21 seconds. Breaking waves of 8 to 11 feet will be possible at favored locations. * HAZARDS...Increased risk of larger than normal breaking waves at south facing beaches. * TIMING...Now through through Wednesday evening. * IMPACTS...Larger surf at offshore breaks along the south facing beaches of northwest California. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
717 WHUS46 KEKA 251035 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 335 AM PDT Wed Jul 25 2018 ...Longer period southerly swell through this evening... .A southerly swell with a longer periods should continue to impact the coastal zones through this evening. Hazardous beach conditions will occur due to the larger than normal breaking waves along south facing beaches, such as Shelter Cove and South Beach at Crescent City. Wave conditions should begin to improve by late this afternoon. CAZ101-103-104-109-251845- /O.CON.KEKA.BH.S.0006.000000T0000Z-180726T0000Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 335 AM PDT Wed Jul 25 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS AFTERNOON... * WAVES AND SURF...Southerly swell to 4 to 5 feet with a period of 17 to 21 seconds. Breaking waves of 8 to 11 feet will be possible at favored locations. * HAZARDS...Increased risk of larger than normal breaking waves at south facing beaches. * TIMING...Now through through Wednesday evening. * IMPACTS...Larger surf at offshore breaks along the south facing beaches of northwest California. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
058 WHUS46 KEKA 251843 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1143 AM PDT Wed Jul 25 2018 ...Longer period southerly swell through this afternoon... .A southerly swell with a longer periods should continue to impact the coastal zones through this afternoon. Hazardous beach conditions will occur due to the larger than normal breaking waves along south facing beaches, such as Shelter Cove and South Beach at Crescent City. Wave conditions will gradually improve later today into tonight. CAZ101-103-104-109-260000- /O.CON.KEKA.BH.S.0006.000000T0000Z-180726T0000Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1143 AM PDT Wed Jul 25 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... * WAVES AND SURF...Southerly swell to 3 to 4 feet with a period of 16 to 17 seconds. Breaking waves of 7 to 9 feet will be possible at favored locations. * HAZARDS...Increased risk of larger than normal breaking waves at south facing beaches. * TIMING...Now through through Wednesday evening. * IMPACTS...Larger surf at offshore breaks along the south facing beaches of northwest California. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
673 WHUS46 KEKA 260006 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 506 PM PDT Wed Jul 25 2018 CAZ101-103-104-109-260115- /O.EXP.KEKA.BH.S.0006.000000T0000Z-180726T0000Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 506 PM PDT Wed Jul 25 2018 ...BEACH HAZARDS STATEMENT HAS EXPIRED... * WAVES AND SURF...Southerly waves have fallen below 3 feet in height and no longer present an additional hazard. However, beachgoers should always exercise caution and never turn your back from the ocean, as hazardous waves can occur at any time. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 3:34 AM PDT | Heat Advisory | EKA | Humboldt, Mendocino, Trinity | 67 hr |
Nearby
Beach Hazards Statements in California, 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.