Alert archive / California / Beach Hazards Statements in 2020
Beach Hazards Statement 2, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Jan 30, 2020, 5:02 AM PST for Del Norte County, Humboldt County, Mendocino County, California. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Jan 30, 2020, 5:02 AM PST (13:02 UTC)
- Expired
- Jan 30, 2020, 9:00 PM PST
- In force
- 16 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 13:04 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, 1.0 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
- 452 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
347 WHUS46 KEKA 301302 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 502 AM PST Thu Jan 30 2020 CAZ101-103-104-109-302115- /O.NEW.KEKA.BH.S.0002.200130T1302Z-200131T0500Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 502 AM PST Thu Jan 30 2020 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING... * WHAT...A building westerly swell will result in both large breaking waves of 17 to 20 feet and an enhanced threat of sneaker waves on area beaches. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Through this evening. * IMPACTS...Building surf and potentially sneaker waves may create locally hazardous conditions on area beaches today. * ADDITIONAL DETAILS...A sneaker wave is a wave that washes unexpectedly far up the beach, often after a long period of much smaller waves before it. Sneaker waves can easily catch people off guard, and are very dangerous and often deadly due to the cold, turbulent ocean waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Also, remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jettys. && $$
2 follow-up statements
745 WHUS46 KEKA 302101 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 101 PM PST Thu Jan 30 2020 CAZ101-103-104-109-310500- /O.CON.KEKA.BH.S.0002.000000T0000Z-200131T0500Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 101 PM PST Thu Jan 30 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM THIS EVENING... * WHAT...A westerly swell will result in both large breaking waves of 17 to 20 feet and an enhanced threat of sneaker waves on area beaches. * WHERE...Coastal Del Norte, Humboldt, and Mendocino Counties. * WHEN...Through this evening. * IMPACTS...Building surf and potentially sneaker waves may create locally hazardous conditions on area beaches today. * ADDITIONAL DETAILS...A sneaker wave is a wave that washes unexpectedly far up the beach, often after a long period of much smaller waves before it. Sneaker waves can easily catch people off guard, and are very dangerous and often deadly due to the cold, turbulent ocean waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain a safe distance from the surf, and always keep your eye on the ocean. Also, remain out of the water to avoid hazardous swimming conditions, and avoid walking on rocks or jettys. $$
425 WHUS46 KEKA 310447 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 847 PM PST Thu Jan 30 2020 CAZ101-103-104-109-310600- /O.EXP.KEKA.BH.S.0002.000000T0000Z-200131T0500Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 847 PM PST Thu Jan 30 2020 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 9 PM PST THIS EVENING... The waves continue to diminish through Friday morning. $$
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.