Alert archive / California / Beach Hazards Statements in 2019
Beach Hazards Statement 6, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Apr 1, 2019, 7:39 AM PDT for Del Norte County, Humboldt County, Mendocino County, California. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Apr 1, 2019, 7:39 AM PDT (14:39 UTC)
- Expired
- Apr 1, 2019, 9:00 PM PDT
- In force
- 13 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 14:39 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, 2.7 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
- 1078 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
674 WHUS46 KEKA 011439 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 739 AM PDT Mon Apr 1 2019 ...ENHANCED SNEAKER WAVE THREAT THROUGH THIS AFTERNOON.. .A long-period west-northwest swell will likely result in a moderate to high sneaker wave threat through this afternoon. CAZ101-103-104-109-020000- /O.NEW.KEKA.BH.S.0006.190401T1439Z-190402T0000Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 739 AM PDT Mon Apr 1 2019 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... The National Weather Service in Eureka has issued a Beach Hazards Statement...which is in effect until 5 PM PDT this afternoon. * TIMING...The highest sneaker wave risk will be this morning, but with a continued threat this afternoon. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
1 follow-up statement
489 WHUS46 KEKA 012345 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 445 PM PDT Mon Apr 1 2019 ...ENHANCED SNEAKER WAVE THREAT THROUGH TONIGHT.. .A long-period west-northwest swell will likely result in a moderate to high sneaker wave threat through tonight. CAZ101-103-104-109-020400- /O.EXT.KEKA.BH.S.0006.000000T0000Z-190402T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 445 PM PDT Mon Apr 1 2019 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 9 PM PDT THIS EVENING... * TIMING...A threat for sneaker waves will continue through tonight. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
Nearby
Beach Hazards Statements in California, 2019Every beach hazards statement in 2019
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.