Alert archive / California / Beach Hazards Statements in 2019
Beach Hazards Statement 5, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Mar 18, 2019, 2:29 AM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Mar 18, 2019, 11:00 PM PDT. It was in force for 20 hr.
The area
The counties it named.
The facts
- Issued
- Mar 18, 2019, 2:29 AM PDT (09:29 UTC)
- In effect from
- Mar 18, 2019, 11:00 PM PDT
- Expired
- Mar 19, 2019, 7:00 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 09:28 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, 9.5 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
- 3028 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
214 WHUS46 KEKA 180929 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 229 AM PDT Mon Mar 18 2019 ...ENHANCED SNEAKER WAVE THREAT FROM MONDAY NIGHT THROUGH TUESDAY EVENING... .A building long-period westerly swell will likely result in a moderate to high sneaker wave threat from Monday night through Tuesday evening. 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. CAZ101-103-104-109-182200- /O.NEW.KEKA.BH.S.0005.190319T0600Z-190320T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 229 AM PDT Mon Mar 18 2019 ...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS EVENING THROUGH TUESDAY EVENING... The National Weather Service in Eureka has issued a Beach Hazards Statement...which is in effect from this evening through Tuesday evening. * TIMING...The highest sneaker wave risk will be from Monday night through Tuesday 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. && $$
4 follow-up statements
191 WHUS46 KEKA 182040 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 140 PM PDT Mon Mar 18 2019 ...ENHANCED SNEAKER WAVE THREAT TONIGHT THROUGH TUESDAY EVENING... .A building long-period westerly swell will likely result in a moderate to high sneaker wave threat tonight through Tuesday evening. Beachgoers should use caution along area beaches and keep a safe distance from the surf zone, as waves may suddenly wash much farther up the beach than expected after several minutes of relatively smaller waves. CAZ101-103-104-109-190530- /O.CON.KEKA.BH.S.0005.190319T0600Z-190320T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 140 PM PDT Mon Mar 18 2019 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 11 PM PDT THIS EVENING THROUGH TUESDAY EVENING... * TIMING...The highest sneaker wave risk will be late tonight through Tuesday evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. && $$
856 WHUS46 KEKA 190500 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1000 PM PDT Mon Mar 18 2019 ...ENHANCED SNEAKER WAVE THREAT TONIGHT THROUGH TUESDAY EVENING... .A building long-period westerly swell will likely result in a moderate to high sneaker wave threat tonight through Tuesday evening. CAZ101-103-104-109-191300- /O.CON.KEKA.BH.S.0005.190319T0600Z-190320T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1000 PM PDT Mon Mar 18 2019 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH TUESDAY EVENING... * TIMING...The highest sneaker wave risk will be late tonight through Tuesday 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. $$
166 WHUS46 KEKA 191214 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 514 AM PDT Tue Mar 19 2019 ...ENHANCED SNEAKER WAVE THREAT TONIGHT THROUGH TUESDAY EVENING... .A building long-period westerly swell will likely result in a moderate to high sneaker wave threat through Tuesday evening. CAZ101-103-104-109-200000- /O.CON.KEKA.BH.S.0005.000000T0000Z-190320T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 514 AM PDT Tue Mar 19 2019 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * TIMING...The highest sneaker wave risk will be through Tuesday evening. * IMPACTS...Larger surf at offshore breaks and an enhanced risk of sneaker waves on northwest California beaches. Steep beaches will have a higher risk of sneaker wave activity with greater wave run-up onto beaches. Large waves will also wash over jetties and rock outcroppings that may normally stay dry. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Beach Hazard Statement is issued when threats such as sneaker waves and other hazards create life-threatening conditions in the surf zone. Caution should be used when in or near the water. $$
981 WHUS46 KEKA 191946 CFWEKA Coastal Hazard Message National Weather Service Eureka CA 1246 PM PDT Tue Mar 19 2019 ...ENHANCED SNEAKER WAVE THREAT THROUGH THIS EVENING... .A building long-period westerly swell will likely result in a moderate to high sneaker wave threat through this evening. CAZ101-103-104-109-200200- /O.CON.KEKA.BH.S.0005.000000T0000Z-190320T0200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- Mendocino Coast- 1246 PM PDT Tue Mar 19 2019 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING... * TIMING...The highest sneaker wave risk will be 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. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 2:42 AM PDT | Small Craft Advisory | EKA | 36 hr |
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.