Alert archive / California / Beach Hazards Statements in 2019
Beach Hazards Statement 4, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Mar 16, 2019, 3:32 AM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Mar 17, 2019, 1:00 AM PDT. It was in force for 20 hr.
The area
The counties it named.
The facts
- Issued
- Mar 16, 2019, 3:32 AM PDT (10:32 UTC)
- In effect from
- Mar 17, 2019, 1:00 AM PDT
- Expired
- Mar 17, 2019, 9:00 PM PDT
- In force
- 20 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 10:37 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, 10.5 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
- 2980 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- -3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
424 WHUS46 KEKA 161032 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 332 AM PDT Sat Mar 16 2019 ...ENHANCED SNEAKER WAVE THREAT SUNDAY... .A building long period westerly swell will likely result in enhanced set behavior Sunday, which increases the likelihood of sneaker waves. Beachgoers should use caution along area beaches and keep a safe distance from the surf zone, as waves may suddenly wash much farther up the beach than expected after several minutes of relatively smaller waves. CAZ101-103-104-109-161845- /O.NEW.KEKA.BH.S.0004.190317T0800Z-190318T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 332 AM PDT Sat Mar 16 2019 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... The National Weather Service in Eureka has issued a Beach Hazards Statement...which is in effect from late tonight through Sunday evening. * TIMING...The highest sneaker wave risk will be from Sunday morning through Sunday evening. * 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. && $$
7 follow-up statements
405 WHUS46 KEKA 161807 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1107 AM PDT Sat Mar 16 2019 ...ENHANCED SNEAKER WAVE THREAT SUNDAY... .A building long period westerly swell will likely result in enhanced set behavior Sunday, which increases the likelihood of sneaker waves. Beachgoers should use caution along area beaches and keep a safe distance from the surf zone, as waves may suddenly wash much farther up the beach than expected after several minutes of relatively smaller waves. CAZ101-103-104-109-170215- /O.CON.KEKA.BH.S.0004.190317T0800Z-190318T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1107 AM PDT Sat Mar 16 2019 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... * TIMING...The highest sneaker wave risk will be from Sunday morning through Sunday evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
321 WHUS46 KEKA 162107 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 207 PM PDT Sat Mar 16 2019 ...ENHANCED SNEAKER WAVE THREAT SUNDAY... .A building long period westerly swell will likely result in enhanced set behavior Sunday, which increases the likelihood of sneaker waves. Beachgoers should use caution along area beaches and keep a safe distance from the surf zone, as waves may suddenly wash much farther up the beach than expected after several minutes of relatively smaller waves. CAZ101-103-104-109-170515- /O.CON.KEKA.BH.S.0004.190317T0800Z-190318T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 207 PM PDT Sat Mar 16 2019 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 1 AM PDT SUNDAY THROUGH SUNDAY EVENING... * TIMING...The highest sneaker wave risk will be from Sunday morning through Sunday evening. * 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. && $$
414 WHUS46 KEKA 170320 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 820 PM PDT Sat Mar 16 2019 ...ENHANCED SNEAKER WAVE THREAT SUNDAY... .A building long period westerly swell will likely result in enhanced set behavior Sunday, which increases the likelihood of sneaker waves. Beachgoers should use caution along area beaches and keep a safe distance from the surf zone, as waves may suddenly wash much farther up the beach than expected after several minutes of relatively smaller waves. CAZ101-103-104-109-171200- /O.CON.KEKA.BH.S.0004.190317T0800Z-190318T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 820 PM PDT Sat Mar 16 2019 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 1 AM PDT SUNDAY THROUGH SUNDAY EVENING... * TIMING...The highest sneaker wave risk will be from Sunday morning through Sunday evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
217 WHUS46 KEKA 171003 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 303 AM PDT Sun Mar 17 2019 ...ENHANCED SNEAKER WAVE THREAT SUNDAY... .A building long period westerly swell will likely result in enhanced set behavior Sunday, which increases the possibility of sneaker waves. Beachgoers should use caution along area beaches and keep a safe distance from the surf zone, as waves may suddenly wash much farther up the beach than expected after several minutes of relatively smaller waves. CAZ101-103-104-109-171815- /O.CON.KEKA.BH.S.0004.000000T0000Z-190318T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 303 AM PDT Sun Mar 17 2019 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * TIMING...The highest sneaker wave risk will be from Sunday morning through Sunday evening. * 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. && $$
109 WHUS46 KEKA 171541 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 841 AM PDT Sun Mar 17 2019 ...ENHANCED SNEAKER WAVE THREAT SUNDAY... .Beachgoers should use caution along area beaches and keep a safe distance from the surf zone today as waves may suddenly wash much farther up the beach than expected after several minutes of relatively smaller waves. CAZ101-103-104-109-172345- /O.CON.KEKA.BH.S.0004.000000T0000Z-190318T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 841 AM PDT Sun Mar 17 2019 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * TIMING...The highest sneaker wave risk will be from this morning through Sunday evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
184 WHUS46 KEKA 172107 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 207 PM PDT Sun Mar 17 2019 ...ENHANCED SNEAKER WAVE THREAT SUNDAY... .Beachgoers should use caution along area beaches and keep a safe distance from the surf zone as waves may suddenly wash much farther up the beach than expected after several minutes of relatively smaller waves. CAZ101-103-104-109-180400- /O.CON.KEKA.BH.S.0004.000000T0000Z-190318T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 207 PM PDT Sun Mar 17 2019 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * TIMING...Sneaker wave threat through this evening. * 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. && $$
921 WHUS46 KEKA 180344 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 844 PM PDT Sun Mar 17 2019 CAZ101-103-104-109-180445- /O.EXP.KEKA.BH.S.0004.000000T0000Z-190318T0400Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 844 PM PDT Sun Mar 17 2019 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 9 PM PDT THIS EVENING... && $$
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.