Alert archive / California / Beach Hazards Statements in 2023
Beach Hazards Statement 3, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Jan 26, 2023, 3:45 AM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Jan 27, 2023, 1:00 AM PST. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Jan 26, 2023, 3:45 AM PST (11:45 UTC)
- In effect from
- Jan 27, 2023, 1:00 AM PST
- Expired
- Jan 27, 2023, 6:00 PM PST
- 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 11:48 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, 11.8 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
- 1839 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -48 m²/s²
- 0-3 km storm-relative helicity
- -35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
424 WHUS46 KEKA 261145 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 345 AM PST Thu Jan 26 2023 CAZ101-103-104-109-261945- /O.NEW.KEKA.BH.S.0003.230127T0900Z-230128T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 345 AM PST Thu Jan 26 2023 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... * WHAT...Large unexpected waves along the coast as a long period westerly swell reaches the coastline. * WHERE...Coastal Del Norte, Humboldt, and Mendocino counties. * WHEN...From late tonight through Friday afternoon.. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These 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. && $$
5 follow-up statements
405 WHUS46 KEKA 261946 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1146 AM PST Thu Jan 26 2023 CAZ101-103-104-109-270400- /O.CON.KEKA.BH.S.0003.230127T0900Z-230128T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1146 AM PST Thu Jan 26 2023 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... * WHAT...Large unexpected waves along the coast. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From late tonight through Friday afternoon.. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
015 WHUS46 KEKA 270240 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 640 PM PST Thu Jan 26 2023 CAZ101-103-104-109-271200- /O.CON.KEKA.BH.S.0003.230127T0900Z-230128T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 640 PM PST Thu Jan 26 2023 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 1 AM PST FRIDAY THROUGH FRIDAY AFTERNOON... * WHAT...Large unexpected waves along the coast. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...From 1 AM PST Friday through Friday afternoon.. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These 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. && $$
799 WHUS46 KEKA 271137 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 337 AM PST Fri Jan 27 2023 CAZ101-103-104-109-271945- /O.CON.KEKA.BH.S.0003.000000T0000Z-230128T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 337 AM PST Fri Jan 27 2023 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS AFTERNOON... * WHAT...Large unexpected waves along the coast. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Through this afternoon.. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These waves can also move large objects such as logs, crushing anyone caught underneath. PRECAUTIONARY/PREPAREDNESS ACTIONS... Don't be fooled by an ocean that looks calm. There can be 30 minutes of small waves before a sneaker wave strikes. Avoid rocks and jetties. Avoid steep beaches. Stay much farther back from the water and never turn your back on the ocean. && $$
008 WHUS46 KEKA 272137 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 137 PM PST Fri Jan 27 2023 CAZ101-103-104-109-280200- /O.CON.KEKA.BH.S.0003.000000T0000Z-230128T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 137 PM PST Fri Jan 27 2023 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 6 PM THIS EVENING... * WHAT...Large unexpected waves along the coast. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt, and Mendocino Coast. * WHEN...Through this afternoon. * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These 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. $$
443 WHUS46 KEKA 280142 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 542 PM PST Fri Jan 27 2023 CAZ101-103-104-109-280245- /O.EXP.KEKA.BH.S.0003.000000T0000Z-230128T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 542 PM PST Fri Jan 27 2023 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 6 PM PST THIS EVENING... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 26, 3:17 AM PST | Small Craft Advisory | EKA | 5 days | |
| Jan 26, 2:51 PM PST | Hazardous Seas Watch | EKA | 12 hr |
Nearby
Beach Hazards Statements in California, 2023Every beach hazards statement in 2023
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.