Alert archive / California / Beach Hazards Statements in 2020
Beach Hazards Statement 4, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Apr 16, 2020, 2:21 AM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Apr 16, 2020, 11:00 PM PDT. It was in force for 20 hr.
The area
The counties it named.
The facts
- Issued
- Apr 16, 2020, 2:21 AM PDT (09:21 UTC)
- In effect from
- Apr 16, 2020, 11:00 PM PDT
- Expired
- Apr 17, 2020, 7:01 PM PDT
- In force
- 20 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 09:23 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 00:00Z, 9.4 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
- 1926 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
057 WHUS46 KEKA 160921 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 221 AM PDT Thu Apr 16 2020 CAZ101-103-161730- /O.NEW.KEKA.BH.S.0004.200417T0600Z-200418T0200Z/ Coastal Del Norte-Northern Humboldt Coast- 221 AM PDT Thu Apr 16 2020 ...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS EVENING THROUGH FRIDAY EVENING... * WHAT...A long-period westerly swell will result in an enhanced threat for sneaker waves. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...From this evening through Friday evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. * ADDITIONAL DETAILS...Another increased risk of sneaker waves will be likely Sunday night and into Monday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Never turn your back to the ocean! Remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jetties. && $$ CAZ104-109-161730- /O.NEW.KEKA.BH.S.0004.200417T0600Z-200418T0600Z/ Southwestern Humboldt-Mendocino Coast- 221 AM PDT Thu Apr 16 2020 ...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS EVENING THROUGH FRIDAY EVENING... * WHAT...A long-period westerly swell will result in an enhanced threat for sneaker waves. * WHERE...Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From this evening through Friday evening.. . * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. * ADDITIONAL DETAILS...Another increased risk of sneaker waves will be likely Sunday night and into Monday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Never turn your back to the ocean! Remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jetties. && $$
8 follow-up statements
985 WHUS46 KEKA 160945 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 245 AM PDT Thu Apr 16 2020 CAZ101-103-161745- /O.CON.KEKA.BH.S.0004.200417T0600Z-200418T0200Z/ Coastal Del Norte-Northern Humboldt Coast- 245 AM PDT Thu Apr 16 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY EVENING... * WHAT...A long-period westerly swell will bring an enhanced threat of sneaker waves on area beaches. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...From this evening through Friday evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. * ADDITIONAL DETAILS...Another increased risk of sneaker waves will be likely Sunday night and into Monday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Never turn your back to the ocean. Remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jetties. && $$ CAZ104-109-161745- /O.CON.KEKA.BH.S.0004.200417T0600Z-200418T0600Z/ Southwestern Humboldt-Mendocino Coast- 245 AM PDT Thu Apr 16 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY EVENING... * WHAT...A long-period westerly swell will bring an enhanced threat of sneaker waves on area beaches. * WHERE...Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From this evening through Friday evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. * ADDITIONAL DETAILS...Another increased risk of sneaker waves will be likely Sunday night and into Monday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Never turn your back to the ocean. Remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jetties. && $$
111 WHUS46 KEKA 161659 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 959 AM PDT Thu Apr 16 2020 CAZ101-103-162330- /O.CON.KEKA.BH.S.0004.200417T0600Z-200418T0200Z/ Coastal Del Norte-Northern Humboldt Coast- 959 AM PDT Thu Apr 16 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY EVENING... * WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...From this evening through Friday evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Never turn your back to the ocean. Remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jetties. && $$ CAZ104-109-162330- /O.CON.KEKA.BH.S.0004.200417T0600Z-200418T0600Z/ Southwestern Humboldt-Mendocino Coast- 959 AM PDT Thu Apr 16 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY EVENING... * WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From this evening through Friday evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Never turn your back to the ocean. Remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jetties. && $$
995 WHUS46 KEKA 162113 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 213 PM PDT Thu Apr 16 2020 CAZ101-103-170515- /O.CON.KEKA.BH.S.0004.200417T0600Z-200418T0200Z/ Coastal Del Norte-Northern Humboldt Coast- 213 PM PDT Thu Apr 16 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 11 PM PDT THIS EVENING THROUGH FRIDAY EVENING... * WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...From this evening through Friday evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Never turn your back to the ocean. Remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jetties. && $$ CAZ104-109-170515- /O.CON.KEKA.BH.S.0004.200417T0600Z-200418T0600Z/ Southwestern Humboldt-Mendocino Coast- 213 PM PDT Thu Apr 16 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 11 PM PDT THIS EVENING THROUGH FRIDAY EVENING... * WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From this evening through Friday evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Never turn your back to the ocean. Remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jetties. && $$
702 WHUS46 KEKA 170319 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 819 PM PDT Thu Apr 16 2020 CAZ101-103-171130- /O.CON.KEKA.BH.S.0004.200417T0600Z-200418T0200Z/ Coastal Del Norte-Northern Humboldt Coast- 819 PM PDT Thu Apr 16 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY EVENING... * WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...From this evening through Friday evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Never turn your back to the ocean. Remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jetties. && $$ CAZ104-109-171130- /O.CON.KEKA.BH.S.0004.200417T0600Z-200418T0600Z/ Southwestern Humboldt-Mendocino Coast- 819 PM PDT Thu Apr 16 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY EVENING... * WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From this evening through Friday evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Never turn your back to the ocean. Remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jetties. && $$
126 WHUS46 KEKA 171023 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 323 AM PDT Fri Apr 17 2020 CAZ101-103-171830- /O.CON.KEKA.BH.S.0004.000000T0000Z-200418T0200Z/ Coastal Del Norte-Northern Humboldt Coast- 323 AM PDT Fri Apr 17 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...Today through this evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ CAZ104-109-171830- /O.CON.KEKA.BH.S.0004.000000T0000Z-200418T0600Z/ Southwestern Humboldt-Mendocino Coast- 323 AM PDT Fri Apr 17 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Today through this evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
258 WHUS46 KEKA 171717 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1017 AM PDT Fri Apr 17 2020 CAZ101-103-180130- /O.CON.KEKA.BH.S.0004.000000T0000Z-200418T0200Z/ Coastal Del Norte-Northern Humboldt Coast- 1017 AM PDT Fri Apr 17 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING... * WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...Today through this evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ CAZ104-109-180130- /O.CON.KEKA.BH.S.0004.000000T0000Z-200418T0600Z/ Southwestern Humboldt-Mendocino Coast- 1017 AM PDT Fri Apr 17 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Today through this evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
679 WHUS46 KEKA 172156 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 256 PM PDT Fri Apr 17 2020 CAZ101-103-180200- /O.CON.KEKA.BH.S.0004.000000T0000Z-200418T0200Z/ Coastal Del Norte-Northern Humboldt Coast- 256 PM PDT Fri Apr 17 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING... * WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...through this evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ CAZ104-109-180600- /O.CON.KEKA.BH.S.0004.000000T0000Z-200418T0600Z/ Southwestern Humboldt-Mendocino Coast- 256 PM PDT Fri Apr 17 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...A long-period westerly swell will bring a slight risk of sneaker waves to area beaches. * WHERE...Southwestern Humboldt and Mendocino Coast Counties. * WHEN...through this evening. * IMPACTS...Potential sneaker waves may create locally hazardous conditions at area beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
136 WHUS46 KEKA 180201 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 701 PM PDT Fri Apr 17 2020 CAZ104-109-180315- /O.CAN.KEKA.BH.S.0004.000000T0000Z-200418T0600Z/ Southwestern Humboldt-Mendocino Coast- 701 PM PDT Fri Apr 17 2020 ...BEACH HAZARDS STATEMENT IS CANCELLED... $$ CAZ101-103-180315- /O.EXP.KEKA.BH.S.0004.000000T0000Z-200418T0200Z/ Coastal Del Norte-Northern Humboldt Coast- 701 PM PDT Fri Apr 17 2020 ...BEACH HAZARDS STATEMENT HAS EXPIRED... $$
Nearby
Beach Hazards Statements in California, 2020Every beach hazards statement in 2020
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.