Alert archive / California / Beach Hazards Statements in 2018
Beach Hazards Statement 7, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Oct 15, 2018, 9:11 AM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Oct 17, 2018, 6:00 AM PDT. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Oct 15, 2018, 9:11 AM PDT (16:11 UTC)
- In effect from
- Oct 17, 2018, 6:00 AM PDT
- Expired
- Oct 17, 2018, 11:00 PM PDT
- In force
- 17 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 16:08 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, 4.2 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
- 3970 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -117 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
067 WHUS46 KEKA 151611 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 911 AM PDT Mon Oct 15 2018 CAZ101-103-104-109-160015- /O.NEW.KEKA.BH.S.0007.181017T1300Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 911 AM PDT Mon Oct 15 2018 ...BEACH HAZARDS STATEMENT IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... The National Weather Service in Eureka has issued a Beach Hazards Statement...which is in effect from Wednesday morning through Wednesday evening. * TIMING...The highest sneaker wave risk will be from noon Wednesday through 11 PM Wednesday. * 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 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. && $$
11 follow-up statements
804 WHUS46 KEKA 152105 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 205 PM PDT Mon Oct 15 2018 CAZ101-103-104-109-160515- /O.CON.KEKA.BH.S.0007.181017T1300Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 205 PM PDT Mon Oct 15 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... * TIMING...The highest sneaker wave risk will be from Wednesday morning through Wednesday evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
404 WHUS46 KEKA 160322 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 822 PM PDT Mon Oct 15 2018 CAZ101-103-104-109-161400- /O.CON.KEKA.BH.S.0007.181017T1300Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 822 PM PDT Mon Oct 15 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... * TIMING...The highest sneaker wave risk will be from Wednesday morning through Wednesday 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 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. && $$
421 WHUS46 KEKA 160933 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 233 AM PDT Tue Oct 16 2018 CAZ101-103-104-109-162200- /O.CON.KEKA.BH.S.0007.181017T1300Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 233 AM PDT Tue Oct 16 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... * TIMING...The highest sneaker wave risk will be from Wednesday morning through Wednesday evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
499 WHUS46 KEKA 162106 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 206 PM PDT Tue Oct 16 2018 CAZ101-103-104-109-170515- /O.CON.KEKA.BH.S.0007.181017T1300Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 206 PM PDT Tue Oct 16 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... * TIMING...The highest sneaker wave risk will be from Wednesday morning through Wednesday 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 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. && $$
060 WHUS46 KEKA 170443 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 943 PM PDT Tue Oct 16 2018 CAZ101-103-104-109-171245- /O.CON.KEKA.BH.S.0007.181017T1300Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 943 PM PDT Tue Oct 16 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 6 AM WEDNESDAY THROUGH WEDNESDAY EVENING... * TIMING...The highest sneaker wave risk will be from Wednesday morning through Wednesday evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. $$
258 WHUS46 KEKA 170909 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 209 AM PDT Wed Oct 17 2018 CAZ101-103-104-109-171715- /O.CON.KEKA.BH.S.0007.181017T1300Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 209 AM PDT Wed Oct 17 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 6 AM PDT THIS MORNING THROUGH THIS EVENING... * TIMING...The highest sneaker wave risk will be from this morning 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 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. $$
431 WHUS46 KEKA 171333 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 633 AM PDT Wed Oct 17 2018 CAZ101-103-104-109-172200- /O.CON.KEKA.BH.S.0007.000000T0000Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 633 AM PDT Wed Oct 17 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * TIMING...The highest sneaker wave risk will be persist through this evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. $$
682 WHUS46 KEKA 171405 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 705 AM PDT Wed Oct 17 2018 CAZ101-103-104-109-172215- /O.CON.KEKA.BH.S.0007.000000T0000Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 705 AM PDT Wed Oct 17 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * TIMING...The highest sneaker wave risk will persist 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 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. $$
173 WHUS46 KEKA 172028 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 128 PM PDT Wed Oct 17 2018 CAZ101-103-104-109-180430- /O.CON.KEKA.BH.S.0007.000000T0000Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 128 PM PDT Wed Oct 17 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * TIMING...The highest sneaker wave risk will persist through this evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. $$
314 WHUS46 KEKA 180424 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 924 PM PDT Wed Oct 17 2018 CAZ101-103-104-109-180600- /O.CON.KEKA.BH.S.0007.000000T0000Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 924 PM PDT Wed Oct 17 2018 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * TIMING...The highest sneaker wave risk will persist 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 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. $$
629 WHUS46 KEKA 180548 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1048 PM PDT Wed Oct 17 2018 CAZ101-103-104-109-180700- /O.EXP.KEKA.BH.S.0007.000000T0000Z-181018T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1048 PM PDT Wed Oct 17 2018 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 11 PM PDT THIS EVENING... The long period swell continues to increase, but the period will shorten and the threat for sneaker waves will diminish. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 2:38 PM PDT | Frost Advisory | EKA | Humboldt, Mendocino | 18 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.