Alert archive / California / Beach Hazards Statements in 2015
Beach Hazards Statement 12, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Nov 12, 2015, 1:36 PM PST for 6 counties in California. It took effect at Nov 14, 2015, 4:00 AM PST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Nov 12, 2015, 1:36 PM PST (21:36 UTC)
- In effect from
- Nov 14, 2015, 4:00 AM PST
- Expired
- Nov 14, 2015, 4:00 PM PST
- In force
- 12 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties City and County of San Francisco, CA, Marin County, CA, Monterey County, CA, San Mateo County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 53 km from the middle of the area, began a volume at 21:40 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
Oakland, CA (KOAK), launched 12:00Z, 9.6 hours before the alert went out and 26 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
- 1413 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- -3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
760 WHUS46 KMTR 122136 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 136 PM PST THU NOV 12 2015 ...STRONG RIP CURRENTS AND LARGE BREAKING WAVES WILL BE POSSIBLE THROUGH THIS EVENING... AN ENERGETIC NORTHWEST SWELL WILL APPROACH THE COASTAL WATERS LATE FRIDAY NIGHT WITH WAVES BUILDING THROUGH THE DAY SATURDAY. THIS ENERGETIC SWELL WILL RESULT IN LARGE BREAKING WAVES...STRONG RIP CURRENTS AND POTENTIAL SNEAKERS WAVES PERIODICALLY AT AREA BEACHES ON SATURDAY. CAZ006-505-509-529-530-131200- /O.NEW.KMTR.BH.S.0012.151114T1200Z-151115T0000Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 136 PM PST THU NOV 12 2015 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT FOR LARGE SURF AND SNEAKER WAVES...WHICH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY AFTERNOON. * HAZARDS...LARGE SURF...STRONG RIP CURRENTS AND POTENTIAL SNEAKER WAVES. * TIMING...FORERUNNERS ARRIVING EARLY SATURDAY MORNING WITH SURF BUILDING THROUGHOUT THE AFTERNOON. * LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES...INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH...MAVERICKS AND MARINA STATE BEACH. * POTENTIAL IMPACTS...LARGE BREAKING WAVES CAN OVERCOME SWIMMERS AND ALSO WASH BEACH VISITORS FROM ROCKS AND JETTIES. STRONG RIP CURRENTS ACCOMPANYING THESE WAVES CAN QUICKLY PULL SWIMMERS INTO DEEP WATER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
3 follow-up statements
464 WHUS46 KMTR 131151 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 351 AM PST FRI NOV 13 2015 ...STRONG RIP CURRENTS AND LARGE BREAKING WAVES WILL BE POSSIBLE THROUGH THIS EVENING... AN ENERGETIC NORTHWEST SWELL WILL APPROACH THE COASTAL WATERS LATE TONIGHT WITH WAVES BUILDING THROUGH THE DAY SATURDAY. THIS ENERGETIC SWELL WILL RESULT IN LARGE BREAKING WAVES...STRONG RIP CURRENTS AND POTENTIAL SNEAKERS WAVES PERIODICALLY AT AREA BEACHES ON SATURDAY. CAZ006-505-509-529-530-132300- /O.CON.KMTR.BH.S.0012.151114T1200Z-151115T0000Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 351 AM PST FRI NOV 13 2015 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... * HAZARDS...LARGE SURF...STRONG RIP CURRENTS AND POTENTIAL SNEAKER WAVES. * TIMING...FORERUNNERS ARRIVING EARLY SATURDAY MORNING WITH SURF BUILDING THROUGHOUT THE AFTERNOON. * LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH...MAVERICKS AND MARINA STATE BEACH. * POTENTIAL IMPACTS...LARGE BREAKING WAVES CAN OVERCOME SWIMMERS AND ALSO WASH BEACH VISITORS FROM ROCKS AND JETTIES. STRONG RIP CURRENTS ACCOMPANYING THESE WAVES CAN QUICKLY PULL SWIMMERS INTO DEEP WATER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
803 WHUS46 KMTR 132211 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 211 PM PST FRI NOV 13 2015 CAZ006-505-509-529-530-141400- /O.CON.KMTR.BH.S.0012.151114T1200Z-151115T0000Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 211 PM PST FRI NOV 13 2015 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... * HAZARDS...LARGE SURF...STRONG RIP CURRENTS AND POTENTIAL SNEAKER WAVES. * TIMING...FORERUNNERS ARRIVING EARLY SATURDAY MORNING WITH SURF BUILDING THROUGHOUT THE AFTERNOON. * LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH...MAVERICKS AND MARINA STATE BEACH. * POTENTIAL IMPACTS...LARGE BREAKING WAVES CAN OVERCOME SWIMMERS AND ALSO WASH BEACH VISITORS FROM ROCKS AND JETTIES. STRONG RIP CURRENTS ACCOMPANYING THESE WAVES CAN QUICKLY PULL SWIMMERS INTO DEEP WATER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
743 WHUS46 KMTR 141127 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 327 AM PST SAT NOV 14 2015 CAZ006-505-509-529-530-142300- /O.CON.KMTR.BH.S.0012.151114T1200Z-151115T0000Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 327 AM PST SAT NOV 14 2015 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS AFTERNOON... * HAZARDS...LARGE SURF...STRONG RIP CURRENTS AND POTENTIAL SNEAKER WAVES. * TIMING...FORERUNNERS ARRIVING EARLY THIS MORNING WITH SURF BUILDING THROUGHOUT THE AFTERNOON. * LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE BEACH...MAVERICKS AND MARINA STATE BEACH. * POTENTIAL IMPACTS...LARGE BREAKING WAVES CAN OVERCOME SWIMMERS AND ALSO WASH BEACH VISITORS FROM ROCKS AND JETTIES. STRONG RIP CURRENTS ACCOMPANYING THESE WAVES CAN QUICKLY PULL SWIMMERS INTO DEEP WATER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 12, 3:53 AM PST | Small Craft Advisory | MTR | 21 hr |
Nearby
Beach Hazards Statements in California, 2015Every beach hazards statement in 2015
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.