Alert archive / California / Beach Hazards Statements in 2020
Beach Hazards Statement 1, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Jan 2, 2020, 9:20 AM PST for Del Norte County, Humboldt County, Mendocino County, California. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jan 2, 2020, 9:20 AM PST (17:20 UTC)
- Expired
- Jan 2, 2020, 7:00 PM PST
- In force
- 10 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 17:23 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 12:00Z, 5.3 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
- 588 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
419 WHUS46 KEKA 021720 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 920 AM PST Thu Jan 2 2020 CAZ101-103-104-109-030300- /O.CAN.KEKA.SU.Y.0009.000000T0000Z-200102T1800Z/ /O.NEW.KEKA.BH.S.0001.200102T1720Z-200103T0300Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 920 AM PST Thu Jan 2 2020 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 7 PM PST THIS EVENING... * WHAT...Long period west-northwest swell will continue to bring a threat for large breaking waves to area beaches today through early this evening. Breakers up to 18 ft will be possible on west and northwest facing beaches. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Southwestern Humboldt and Mendocino Coast Counties. * WHEN...Until 7 PM PST this evening.. . * IMPACTS... Large breaking waves will generate hazardous conditions on area beaches. This threat will be maximized on steeply sloped beaches. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
1 follow-up statement
718 WHUS46 KEKA 030300 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 700 PM PST Thu Jan 2 2020 CAZ101-103-104-109-030400- /O.EXP.KEKA.BH.S.0001.000000T0000Z-200103T0300Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 700 PM PST Thu Jan 2 2020 ...BEACH HAZARDS STATEMENT HAS EXPIRED... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 8:48 AM PST | Gale Watch | EKA | 6 hr | |
| Jan 2, 2:32 PM PST | Gale Warning | EKA | 31 hr |
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.