Alert archive / California / Beach Hazards Statements in 2017
Beach Hazards Statement 10, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Dec 12, 2017, 11:08 AM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Dec 13, 2017, 10:00 AM PST. It was in force for 36 hr.
The area
The counties it named.
The facts
- Issued
- Dec 12, 2017, 11:08 AM PST (19:08 UTC)
- In effect from
- Dec 13, 2017, 10:00 AM PST
- Expired
- Dec 14, 2017, 10:00 PM PST
- In force
- 36 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 19:11 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, 7.1 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
- 1727 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
282 WHUS46 KEKA 121908 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1108 AM PST Tue Dec 12 2017 CAZ101-103-104-109-130315- /O.NEW.KEKA.BH.S.0010.171213T1800Z-171215T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1108 AM PST Tue Dec 12 2017 ...BEACH HAZARDS STATEMENT IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY EVENING... The National Weather Service in Eureka has issued a Beach Hazards Statement...which is in effect from Wednesday morning through Thursday evening. * TIMING...The highest sneaker wave risk will be Wednesday afternoon and evening, and then during the daytime on Thursday. * 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 RIP CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS 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! && $$
6 follow-up statements
138 WHUS46 KEKA 122215 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 215 PM PST Tue Dec 12 2017 CAZ101-103-104-109-130615- /O.CON.KEKA.BH.S.0010.171213T1800Z-171215T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 215 PM PST Tue Dec 12 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY EVENING... * TIMING...The highest sneaker wave risk will be Wednesday afternoon and evening, and then during the daytime on Thursday. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS RIP CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS CREATE LIFE-THREATENING CONDITIONS IN THE SURF ZONE. CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. NEVER TURN YOUR BACK TO THE OCEAN! && $$
814 WHUS46 KEKA 130450 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 850 PM PST Tue Dec 12 2017 CAZ101-103-104-109-131315- /O.CON.KEKA.BH.S.0010.171213T1800Z-171215T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 850 PM PST Tue Dec 12 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY EVENING... * TIMING...The highest sneaker wave risk will be Wednesday afternoon and evening, and again during the daytime on Thursday. * 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 RIP CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS 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! && $$
230 WHUS46 KEKA 131312 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 512 AM PST Wed Dec 13 2017 CAZ101-103-104-109-140115- /O.CON.KEKA.BH.S.0010.171213T1800Z-171215T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 512 AM PST Wed Dec 13 2017 ...BEACH HAZARDS STATEMENT FOR SNEAKER WAVES REMAINS IN EFFECT FROM 10 AM THIS MORNING THROUGH THURSDAY EVENING... * TIMING...The highest sneaker wave risk will be this afternoon and evening and again during the daytime on Thursday. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS RIP CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS CREATE LIFE-THREATENING CONDITIONS IN THE SURF ZONE. CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. NEVER TURN YOUR BACK TO THE OCEAN! $$
810 WHUS46 KEKA 131939 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1139 AM PST Wed Dec 13 2017 CAZ101-103-104-109-140345- /O.CON.KEKA.BH.S.0010.000000T0000Z-171215T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1139 AM PST Wed Dec 13 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * TIMING...The highest sneaker wave risk will be this afternoon and evening and again during the daytime on Thursday. * 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 RIP CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS 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! $$
018 WHUS46 KEKA 132223 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 223 PM PST Wed Dec 13 2017 CAZ101-103-104-109-140400- /O.CON.KEKA.BH.S.0010.000000T0000Z-171215T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 223 PM PST Wed Dec 13 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * TIMING...The highest sneaker wave risk will be this afternoon and evening and again during the daytime on Thursday. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS RIP CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS CREATE LIFE-THREATENING CONDITIONS IN THE SURF ZONE. CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. NEVER TURN YOUR BACK TO THE OCEAN! $$
906 WHUS46 KEKA 150022 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 422 PM PST Thu Dec 14 2017 CAZ101-103-104-109-150600- /O.CON.KEKA.BH.S.0010.000000T0000Z-171215T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 422 PM PST Thu Dec 14 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * TIMING...The highest sneaker wave risk through this 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 RIP CURRENTS...LONGSHORE CURRENTS...SNEAKER WAVES AND OTHER HAZARDS 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! $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 12, 8:36 AM PST | Small Craft Advisory | EKA | 5 days |
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.