Alert archive / California / Beach Hazards Statements in 2017
Beach Hazards Statement 5, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Apr 6, 2017, 2:20 PM PDT for 6 counties in California. It took effect at Apr 7, 2017, 6:00 AM PDT. It was in force for 33 hr.
The area
The counties it named.
The facts
- Issued
- Apr 6, 2017, 2:20 PM PDT (21:20 UTC)
- In effect from
- Apr 7, 2017, 6:00 AM PDT
- Expired
- Apr 8, 2017, 3:00 PM PDT
- In force
- 33 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 21:21 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, 9.3 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
- 3922 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
433 WHUS46 KMTR 062120 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 220 PM PDT THU APR 6 2017 CAZ006-505-509-529-530-070530- /O.NEW.KMTR.BH.S.0005.170407T1300Z-170408T1600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 220 PM PDT THU APR 6 2017 ...BEACH HAZARDS STATEMENT IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT FOR FOR LARGE SHORE BREAKS...INCREASED RISK OF RIP CURRENTS...AND INCREASED CHANCE OF SNEAKER WAVES...WHICH IS IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY MORNING. * HAZARDS...LARGE SHORE BREAKS...RIP CURRENTS...AND SNEAKER WAVES. * TIMING...FRIDAY MORNING THROUGH SATURDAY MORNING. * LOCATION...THE COASTLINE FROM NORTHERN SONOMA COUNTY SOUTH THROUGH SOUTHERN MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES INCLUDING BUT NOT LIMITED TO OCEAN BEACH...MONTARA STATE BEACH...MARINA STATE BEACH...MONTEREY STATE BEACH...AND ASILOMAR STATE BEACH. * POTENTIAL IMPACTS...LARGE SHORE BREAKS COULD INJURE BEACHGOERS. SNEAKER WAVES COULD KNOCK UNSUSPECTING PEOPLE INTO THE COLD... TURBULENT OCEAN. RIP CURRENTS COULD PULL PEOPLE OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARDS STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
4 follow-up statements
272 WHUS46 KMTR 070628 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1128 PM PDT THU APR 6 2017 CAZ006-505-509-529-530-071300- /O.CON.KMTR.BH.S.0005.170407T1300Z-170408T1600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 1128 PM PDT THU APR 6 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 6 AM PDT FRIDAY THROUGH SATURDAY MORNING... * HAZARDS...LARGE SHORE BREAKS...RIP CURRENTS...AND SNEAKER WAVES. * TIMING...FRIDAY MORNING THROUGH SATURDAY MORNING. * LOCATION...THE COASTLINE FROM NORTHERN SONOMA COUNTY SOUTH THROUGH SOUTHERN MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES INCLUDING BUT NOT LIMITED TO OCEAN BEACH...MONTARA STATE BEACH...MARINA STATE BEACH...MONTEREY STATE BEACH...AND ASILOMAR STATE BEACH. * POTENTIAL IMPACTS...LARGE SHORE BREAKS COULD INJURE BEACHGOERS. SNEAKER WAVES COULD KNOCK UNSUSPECTING PEOPLE INTO THE COLD... TURBULENT OCEAN. RIP CURRENTS COULD PULL PEOPLE OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARDS STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
567 WHUS46 KMTR 071217 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 517 AM PDT FRI APR 7 2017 ...BUILDING WESTERLY SWELL TODAY... .SEAS WILL BUILD TODAY BEHIND LAST NIGHTS FRONTAL PASSAGE. BUILDING WESTERLY SWELL WILL CREATE HAZARDOUS BEACH CONDITIONS ON AREA BEACHES TODAY THROUGH EARLY SATURDAY. CAZ006-505-509-529-530-072200- /O.CON.KMTR.BH.S.0005.170407T1300Z-170408T1600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 517 AM PDT FRI APR 7 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY MORNING... * HAZARDS...LARGE SHORE BREAKS...RIP CURRENTS...AND SNEAKER WAVES. * TIMING...FRIDAY MORNING THROUGH SATURDAY MORNING. * LOCATION...THE COASTLINE FROM NORTHERN SONOMA COUNTY SOUTH THROUGH SOUTHERN MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES INCLUDING BUT NOT LIMITED TO OCEAN BEACH...MONTARA STATE BEACH...MARINA STATE BEACH...MONTEREY STATE BEACH...AND ASILOMAR STATE BEACH. * POTENTIAL IMPACTS...LARGE SHORE BREAKS COULD INJURE BEACHGOERS. SNEAKER WAVES COULD KNOCK UNSUSPECTING PEOPLE INTO THE COLD...TURBULENT OCEAN. RIP CURRENTS COULD PULL PEOPLE OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARDS STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
579 WHUS46 KMTR 072113 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 213 PM PDT FRI APR 7 2017 ...LARGE WESTERLY SWELL THROUGH SATURDAY MORNING... .LARGE SEAS HAVE BUILT INTO THE COASTAL WATERS BEHIND LAST NIGHTS FRONTAL PASSAGE. BUILDING WESTERLY SWELL WILL CREATE HAZARDOUS BEACH CONDITIONS ON AREA BEACHES THROUGH EARLY SATURDAY. CAZ006-505-509-529-530-081400- /O.CON.KMTR.BH.S.0005.000000T0000Z-170408T1600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 213 PM PDT FRI APR 7 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SATURDAY MORNING... * HAZARDS...LARGE SHORE BREAKS...RIP CURRENTS...AND SNEAKER WAVES. * TIMING...THROUGH SATURDAY MORNING. * LOCATION...THE COASTLINE FROM NORTHERN SONOMA COUNTY SOUTH THROUGH SOUTHERN MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES INCLUDING BUT NOT LIMITED TO OCEAN BEACH...MONTARA STATE BEACH...MARINA STATE BEACH...MONTEREY STATE BEACH...AND ASILOMAR STATE BEACH. * POTENTIAL IMPACTS...LARGE SHORE BREAKS COULD INJURE BEACHGOERS. SNEAKER WAVES COULD KNOCK UNSUSPECTING PEOPLE INTO THE COLD... TURBULENT OCEAN. RIP CURRENTS COULD PULL PEOPLE OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARDS STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
571 WHUS46 KMTR 081156 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 456 AM PDT SAT APR 8 2017 ...LARGE WESTERLY SWELL THROUGH SATURDAY AFTERNOON... .LARGE WESTERLY SWELL WILL CREATE HAZARDOUS BEACH CONDITIONS ON AREA BEACHES THROUGH SATURDAY AFTERNOON. CAZ006-505-509-529-530-082200- /O.EXT.KMTR.BH.S.0005.000000T0000Z-170408T2200Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 456 AM PDT SAT APR 8 2017 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * HAZARDS...LARGE SHORE BREAKS...RIP CURRENTS...AND SNEAKER WAVES. * TIMING...THROUGH SATURDAY AFTERNOON. * LOCATION...THE COASTLINE FROM NORTHERN SONOMA COUNTY SOUTH THROUGH SOUTHERN MONTEREY COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES INCLUDING BUT NOT LIMITED TO OCEAN BEACH...MONTARA STATE BEACH...MARINA STATE BEACH...MONTEREY STATE BEACH...AND ASILOMAR STATE BEACH. * POTENTIAL IMPACTS...LARGE SHORE BREAKS COULD INJURE BEACHGOERS. SNEAKER WAVES COULD KNOCK UNSUSPECTING PEOPLE INTO THE COLD... TURBULENT OCEAN. RIP CURRENTS COULD PULL PEOPLE OUT TO SEA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARDS STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE 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 |
|---|---|---|---|---|
| Apr 6, 2:35 AM PDT | Gale Warning | MTR | 24 hr | |
| Apr 6, 3:17 AM PDT | High Wind Warning | MTR | Marin, Monterey, San Benito, City and County of San Francisco, San Mateo, Santa Clara and 2 more | 25 hr |
| Apr 6, 3:17 AM PDT | Wind Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 25 hr |
| Apr 6, 2:25 PM PDT | Small Craft Advisory for Rough Bar | MTR | 55 hr |
Nearby
Beach Hazards Statements in California, 2017Every beach hazards statement in 2017
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.