Alert archive / California / Beach Hazards Statements in 2024
Beach Hazards Statement 6, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Mar 14, 2024, 12:31 PM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Mar 15, 2024, 11:00 AM PDT. It was in force for 42 hr.
The area
The counties it named.
The facts
- Issued
- Mar 14, 2024, 12:31 PM PDT (19:31 UTC)
- In effect from
- Mar 15, 2024, 11:00 AM PDT
- Expired
- Mar 17, 2024, 5:00 AM PDT
- In force
- 42 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 19:35 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, 7.5 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
- 861 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -106 m²/s²
- 0-3 km storm-relative helicity
- -58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
448 WHUS46 KEKA 141931 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1231 PM PDT Thu Mar 14 2024 CAZ101-103-104-150345- /O.NEW.KEKA.BH.S.0006.240315T1800Z-240317T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 1231 PM PDT Thu Mar 14 2024 ...BEACH HAZARDS STATEMENT IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From Friday morning through Saturday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$ CAZ109-150345- /O.NEW.KEKA.BH.S.0006.240316T1500Z-240317T0600Z/ Mendocino Coast- 1231 PM PDT Thu Mar 14 2024 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...The Mendocino Coast. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
9 follow-up statements
166 WHUS46 KEKA 150302 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 802 PM PDT Thu Mar 14 2024 CAZ101-103-104-151115- /O.CON.KEKA.BH.S.0006.240315T1800Z-240317T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 802 PM PDT Thu Mar 14 2024 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From Friday morning through Saturday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$ CAZ109-151115- /O.CON.KEKA.BH.S.0006.240316T1500Z-240317T0600Z/ Mendocino Coast- 802 PM PDT Thu Mar 14 2024 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Mendocino Coast County. * WHEN...From Saturday morning through Saturday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
284 WHUS46 KEKA 151103 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 403 AM PDT Fri Mar 15 2024 CAZ109-152200- /O.EXT.KEKA.BH.S.0006.240315T1800Z-240317T0600Z/ Mendocino Coast- 403 AM PDT Fri Mar 15 2024 ...BEACH HAZARDS STATEMENT NOW IN EFFECT FROM 11 AM PDT THIS MORNING THROUGH SATURDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Mendocino Coast County. * WHEN...From 11 AM PDT this morning through Saturday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$ CAZ101-103-104-152200- /O.CON.KEKA.BH.S.0006.240315T1800Z-240317T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 403 AM PDT Fri Mar 15 2024 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 11 AM PDT THIS MORNING THROUGH SATURDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From 11 AM PDT this morning through Saturday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
873 WHUS46 KEKA 152145 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 245 PM PDT Fri Mar 15 2024 CAZ101-103-104-109-160545- /O.CON.KEKA.BH.S.0006.000000T0000Z-240317T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 245 PM PDT Fri Mar 15 2024 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From 11 AM PDT this morning through Saturday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
861 WHUS46 KEKA 160518 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1018 PM PDT Fri Mar 15 2024 CAZ101-103-104-109-161330- /O.CON.KEKA.BH.S.0006.000000T0000Z-240317T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1018 PM PDT Fri Mar 15 2024 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Through Saturday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
125 WHUS46 KEKA 160901 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 201 AM PDT Sat Mar 16 2024 CAZ101-103-104-109-161715- /O.CON.KEKA.BH.S.0006.000000T0000Z-240317T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 201 AM PDT Sat Mar 16 2024 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Through this evening. * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
532 WHUS46 KEKA 161548 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 848 AM PDT Sat Mar 16 2024 CAZ101-103-104-109-170000- /O.CON.KEKA.BH.S.0006.000000T0000Z-240317T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 848 AM PDT Sat Mar 16 2024 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Through this evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
575 WHUS46 KEKA 162154 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 254 PM PDT Sat Mar 16 2024 CAZ101-103-104-109-170600- /O.CON.KEKA.BH.S.0006.000000T0000Z-240317T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 254 PM PDT Sat Mar 16 2024 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Until 11 PM PDT this evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
518 WHUS46 KEKA 170530 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1030 PM PDT Sat Mar 16 2024 CAZ101-103-104-109-171200- /O.EXT.KEKA.BH.S.0006.000000T0000Z-240317T1200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1030 PM PDT Sat Mar 16 2024 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 5 AM PDT SUNDAY... * WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Until 5 AM PDT Sunday. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
147 WHUS46 KEKA 171141 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 441 AM PDT Sun Mar 17 2024 CAZ101-103-104-109-171245- /O.EXP.KEKA.BH.S.0006.000000T0000Z-240317T1200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 441 AM PDT Sun Mar 17 2024 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 5 AM PDT EARLY THIS MORNING... $$
Nearby
Beach Hazards Statements in California, 2024Every beach hazards statement in 2024
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.