Alert archive / California / Beach Hazards Statements in 2017
Beach Hazards Statement 11, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Dec 23, 2017, 10:08 AM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Dec 24, 2017, 6:00 AM PST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Dec 23, 2017, 10:08 AM PST (18:08 UTC)
- In effect from
- Dec 24, 2017, 6:00 AM PST
- Expired
- Dec 24, 2017, 5:23 PM PST
- In force
- 11 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 18:07 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, 6.1 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
- 711 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 302 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
031 WHUS46 KEKA 231808 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1008 AM PST Sat Dec 23 2017 CAZ101-103-104-109-240215- /O.NEW.KEKA.BH.S.0011.171224T1400Z-171225T0800Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1008 AM PST Sat Dec 23 2017 ...BEACH HAZARDS STATEMENT FOR SNEAKER WAVES IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... The National Weather Service in Eureka has issued a Beach Hazards Statement...which is in effect from Sunday morning through Sunday evening. * TIMING...The highest sneaker wave risk will be on Sunday morning with a lesser threat into Sunday evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. 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 hazards statement is issued when threats such as sneaker waves create life-threatening conditions in the surf zone. Caution should be used when in or near the water. Never turn your back to the ocean! $$
4 follow-up statements
402 WHUS46 KEKA 240213 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 613 PM PST Sat Dec 23 2017 CAZ101-103-104-109-241015- /O.CON.KEKA.BH.S.0011.171224T1400Z-171225T0800Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 613 PM PST Sat Dec 23 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 6 AM PST SUNDAY THROUGH SUNDAY EVENING... * TIMING...The highest sneaker wave risk will be Sunday morning with a lesser threat into Sunday evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as sneaker waves create life-threatening conditions in the surf zone. Caution should be used when in or near the water. Never turn your back to the ocean! $$
691 WHUS46 KEKA 240953 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 153 AM PST Sun Dec 24 2017 CAZ101-103-104-109-241800- /O.CON.KEKA.BH.S.0011.171224T1400Z-171225T0800Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 153 AM PST Sun Dec 24 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 6 AM PST THIS MORNING THROUGH THIS EVENING... * TIMING...The highest sneaker wave risk will be this morning with the threat decreasing for the evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. 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 hazards statement is issued when threats such as sneaker waves create life-threatening conditions in the surf zone. Caution should be used when in or near the water. Never turn your back to the ocean! $$
099 WHUS46 KEKA 241755 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 955 AM PST Sun Dec 24 2017 CAZ101-103-104-109-250800- /O.CON.KEKA.BH.S.0011.000000T0000Z-171225T0800Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 955 AM PST Sun Dec 24 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * TIMING...The highest sneaker wave risk will be late this morning and this afternoon with the threat decreasing during the evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as sneaker waves create life-threatening conditions in the surf zone. Caution should be used when in or near the water. Never turn your back to the ocean! $$
100 WHUS46 KEKA 250123 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 523 PM PST Sun Dec 24 2017 CAZ101-103-104-109-250230- /O.CAN.KEKA.BH.S.0011.000000T0000Z-171225T0800Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 523 PM PST Sun Dec 24 2017 ...BEACH HAZARDS STATEMENT IS CANCELLED... The National Weather Service in Eureka has cancelled the Beach Hazards Statement. $$
Nearby
Beach Hazards Statements in California, 2017Every beach hazards statement in 2017
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.