Alert archive / California / High Surf Advisories in 2016
High Surf Advisory 10, NWS Eureka, CA
NWS Eureka, CA issued this high surf advisory at Dec 3, 2016, 3:12 AM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Dec 3, 2016, 9:00 AM PST. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Dec 3, 2016, 3:12 AM PST (11:12 UTC)
- In effect from
- Dec 3, 2016, 9:00 AM PST
- Expired
- Dec 3, 2016, 10:00 PM PST
- 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 11:18 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, 11.2 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
- 1112 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
047 WHUS46 KEKA 031112 CFWEKA COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 312 AM PST SAT DEC 3 2016 CAZ101-103-031915- /O.NEW.KEKA.SU.Y.0010.161203T1700Z-161204T0300Z/ COASTAL DEL NORTE-NORTHERN HUMBOLDT COAST- 312 AM PST SAT DEC 3 2016 ...HIGH SURF ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 7 PM PST THIS EVENING... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 7 PM PST THIS EVENING. * WAVES AND SURF...BREAKING WAVES 20 TO 23 FEET ALONG WEST AND NORTHWEST FACING BEACHES. BREAKING WAVES WILL SUBSIDE BELOW 20 FEET LATE THIS EVENING. * IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LEAD TO INCREASED WAVE RUN-UP ON BEACHES WITH WAVES TOPPING AND WASHING OVER LARGE ROCKS AND JETTIES. THESE LARGE WAVES CAN BE ERRATIC AND UNPREDICTABLE. USE EXTRA CAUTION NEAR THE SURF ZONE AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. MARINERS TRAVERSING THE BAR ARE URGED TO EXERCISE EXTREME CAUTION OR STAY IN PORT UNTIL THE THREAT SUBSIDES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH EROSION. && $$ CAZ104-109-031915- /O.NEW.KEKA.SU.Y.0010.161203T2000Z-161204T0600Z/ SOUTHWESTERN HUMBOLDT-MENDOCINO COAST- 312 AM PST SAT DEC 3 2016 ...HIGH SURF ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM PST THIS EVENING... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 10 PM PST THIS EVENING. * WAVES AND SURF...BREAKING WAVES 20 TO 23 FEET ALONG WEST AND NORTHWEST FACING BEACHES. BREAKING WAVES WILL SUBSIDE BELOW 20 FEET LATE THIS EVENING. * IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LEAD TO INCREASED WAVE RUN-UP ON BEACHES WITH WAVES TOPPING AND WASHING OVER LARGE ROCKS AND JETTIES. THESE LARGE WAVES CAN BE ERRATIC AND UNPREDICTABLE. USE EXTRA CAUTION NEAR THE SURF ZONE AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. MARINERS TRAVERSING THE BAR ARE URGED TO EXERCISE EXTREME CAUTION OR STAY IN PORT UNTIL THE THREAT SUBSIDES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH EROSION. && $$
3 follow-up statements
332 WHUS46 KEKA 031754 CFWEKA COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 954 AM PST SAT DEC 3 2016 CAZ101-103-040200- /O.CON.KEKA.SU.Y.0010.000000T0000Z-161204T0300Z/ COASTAL DEL NORTE-NORTHERN HUMBOLDT COAST- 954 AM PST SAT DEC 3 2016 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WAVES AND SURF...BREAKING WAVES 20 TO 23 FEET ALONG WEST AND NORTHWEST FACING BEACHES. BREAKING WAVES WILL SUBSIDE BELOW 20 FEET LATE THIS EVENING. * IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LEAD TO INCREASED WAVE RUN-UP ON BEACHES WITH WAVES TOPPING AND WASHING OVER LARGE ROCKS AND JETTIES. THESE LARGE WAVES CAN BE ERRATIC AND UNPREDICTABLE. USE EXTRA CAUTION NEAR THE SURF ZONE AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. MARINERS TRAVERSING THE BAR ARE URGED TO EXERCISE EXTREME CAUTION OR STAY IN PORT UNTIL THE THREAT SUBSIDES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH EROSION. && $$ CAZ104-109-040200- /O.CON.KEKA.SU.Y.0010.161203T2000Z-161204T0600Z/ SOUTHWESTERN HUMBOLDT-MENDOCINO COAST- 954 AM PST SAT DEC 3 2016 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WAVES AND SURF...BREAKING WAVES 20 TO 23 FEET ALONG WEST AND NORTHWEST FACING BEACHES. BREAKING WAVES WILL SUBSIDE BELOW 20 FEET LATE THIS EVENING. * IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LEAD TO INCREASED WAVE RUN-UP ON BEACHES WITH WAVES TOPPING AND WASHING OVER LARGE ROCKS AND JETTIES. THESE LARGE WAVES CAN BE ERRATIC AND UNPREDICTABLE. USE EXTRA CAUTION NEAR THE SURF ZONE AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. MARINERS TRAVERSING THE BAR ARE URGED TO EXERCISE EXTREME CAUTION OR STAY IN PORT UNTIL THE THREAT SUBSIDES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH EROSION. && $$
456 WHUS46 KEKA 032252 CFWEKA COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 252 PM PST SAT DEC 3 2016 CAZ101-103-040300- /O.CON.KEKA.SU.Y.0010.000000T0000Z-161204T0300Z/ COASTAL DEL NORTE-NORTHERN HUMBOLDT COAST- 252 PM PST SAT DEC 3 2016 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WAVES AND SURF...BREAKING WAVES 20 TO 23 FEET ALONG WEST AND NORTHWEST FACING BEACHES. BREAKING WAVES WILL SUBSIDE BELOW 20 FEET LATE THIS EVENING. * IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LEAD TO INCREASED WAVE RUN-UP ON BEACHES WITH WAVES TOPPING AND WASHING OVER LARGE ROCKS AND JETTIES. THESE LARGE WAVES CAN BE ERRATIC AND UNPREDICTABLE. USE EXTRA CAUTION NEAR THE SURF ZONE AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. MARINERS TRAVERSING THE BAR ARE URGED TO EXERCISE EXTREME CAUTION OR STAY IN PORT UNTIL THE THREAT SUBSIDES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH EROSION. && $$ CAZ104-109-040600- /O.CON.KEKA.SU.Y.0010.000000T0000Z-161204T0600Z/ SOUTHWESTERN HUMBOLDT-MENDOCINO COAST- 252 PM PST SAT DEC 3 2016 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WAVES AND SURF...BREAKING WAVES 20 TO 23 FEET ALONG WEST AND NORTHWEST FACING BEACHES. BREAKING WAVES WILL SUBSIDE BELOW 20 FEET LATE THIS EVENING. * IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LEAD TO INCREASED WAVE RUN-UP ON BEACHES WITH WAVES TOPPING AND WASHING OVER LARGE ROCKS AND JETTIES. THESE LARGE WAVES CAN BE ERRATIC AND UNPREDICTABLE. USE EXTRA CAUTION NEAR THE SURF ZONE AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. MARINERS TRAVERSING THE BAR ARE URGED TO EXERCISE EXTREME CAUTION OR STAY IN PORT UNTIL THE THREAT SUBSIDES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH EROSION. && $$
267 WHUS46 KEKA 040259 CFWEKA COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 659 PM PST SAT DEC 3 2016 CAZ101-103-040600- /O.EXT.KEKA.SU.Y.0010.000000T0000Z-161204T0600Z/ COASTAL DEL NORTE-NORTHERN HUMBOLDT COAST- 659 PM PST SAT DEC 3 2016 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 10 PM THIS EVENING... * WAVES AND SURF...BREAKING WAVES 20 TO 23 FEET ALONG WEST AND NORTHWEST FACING BEACHES. BREAKING WAVES WILL SUBSIDE BELOW 20 FEET LATE THIS EVENING. * IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LEAD TO INCREASED WAVE RUN-UP ON BEACHES WITH WAVES TOPPING AND WASHING OVER LARGE ROCKS AND JETTIES. THESE LARGE WAVES CAN BE ERRATIC AND UNPREDICTABLE. USE EXTRA CAUTION NEAR THE SURF ZONE AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. MARINERS TRAVERSING THE BAR ARE URGED TO EXERCISE EXTREME CAUTION OR STAY IN PORT UNTIL THE THREAT SUBSIDES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH EROSION. $$ CAZ104-109-040600- /O.CON.KEKA.SU.Y.0010.000000T0000Z-161204T0600Z/ SOUTHWESTERN HUMBOLDT-MENDOCINO COAST- 659 PM PST SAT DEC 3 2016 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 10 PM THIS EVENING... * WAVES AND SURF...BREAKING WAVES 20 TO 23 FEET ALONG WEST AND NORTHWEST FACING BEACHES. BREAKING WAVES WILL SUBSIDE BELOW 20 FEET LATE THIS EVENING. * IMPACTS...LARGE BREAKING WAVES ALONG THE COAST WILL LEAD TO INCREASED WAVE RUN-UP ON BEACHES WITH WAVES TOPPING AND WASHING OVER LARGE ROCKS AND JETTIES. THESE LARGE WAVES CAN BE ERRATIC AND UNPREDICTABLE. USE EXTRA CAUTION NEAR THE SURF ZONE AS THESE LARGE WAVES WILL BE CAPABLE OF SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN WATERS. MARINERS TRAVERSING THE BAR ARE URGED TO EXERCISE EXTREME CAUTION OR STAY IN PORT UNTIL THE THREAT SUBSIDES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH EROSION. $$
Nearby
High Surf Advisories in California, 2016Every high surf advisory in 2016
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.