Alert archive / California / Beach Hazards Statements in 2017
Beach Hazards Statement 6, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Jul 10, 2017, 7:38 PM PDT for 6 counties in California. It took effect at Jul 12, 2017, 5:00 AM PDT. It was in force for 26 hr.
The area
The counties it named.
The facts
- Issued
- Jul 10, 2017, 7:38 PM PDT (02:38 UTC)
- In effect from
- Jul 12, 2017, 5:00 AM PDT
- Expired
- Jul 13, 2017, 7:12 AM PDT
- In force
- 26 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 02:38 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 00:00Z, 2.6 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
- 2067 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
343 WHUS46 KMTR 110238 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 738 PM PDT MON JUL 10 2017 ...BEACH STATEMENT FOR SOUTHERLY FACING BEACHES... A LONG-PERIOD SOUTHERLY SWELL GENERATED BY THE COMBINATION OF A STORM IN THE SOUTHERN HEMISPHERE AND FROM HURRICANE EUGENE COULD PRODUCE LARGE BREAKING WAVES ALONG SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH ON WEDNESDAY. THERE IS ALSO THE POTENTIAL FOR STRONG RIP CURRENTS AND SNEAKER WAVES AS WELL. CAZ006-505-509-529-530-120100- /O.NEW.KMTR.BH.S.0006.170712T1200Z-170713T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 738 PM PDT MON JUL 10 2017 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY EVENING... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT, WHICH IS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY EVENING. * SEAS...SOUTH SWELL 3 TO 5 FEET WITH A PERIOD OF 16 TO 17 SECONDS. * TIMING...LATE TUESDAY NIGHT AND ALL DAY WEDNESDAY * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...LARGE BREAKING WAVES ALONG WITH STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THAT POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG ALONG SHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL COULD BE LIFE THREATENING SO PLEASE BE SAFE ON THE BEACHES. SWIMMERS SHOULD AVOID SWIMMING IN AREAS OF LARGE SHORE BREAK AND ALWAYS SWIM NEAR A LIFEGUARD. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
5 follow-up statements
024 WHUS46 KMTR 112038 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 138 PM PDT TUE JUL 11 2017 ...BEACH STATEMENT FOR SOUTHERLY FACING BEACHES... A LONG-PERIOD SOUTHERLY SWELL GENERATED BY THE COMBINATION OF A STORM IN THE SOUTHERN HEMISPHERE AND FROM HURRICANE EUGENE COULD PRODUCE LARGE BREAKING WAVES ALONG SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH ON WEDNESDAY. THERE IS ALSO THE POTENTIAL FOR STRONG RIP CURRENTS AND SNEAKER WAVES AS WELL. CAZ006-505-509-529-530-121400- /O.CON.KMTR.BH.S.0006.170712T1200Z-170713T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 138 PM PDT TUE JUL 11 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY EVENING... * SEAS...SOUTH SWELL 3 TO 5 FEET WITH A PERIOD OF 16 TO 17 SECONDS. BREAKING WAVES UP TO 10 FEET. * TIMING...LATE TUESDAY NIGHT AND ALL DAY WEDNESDAY * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...LARGE BREAKING WAVES ALONG WITH STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THAT POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG ALONG SHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL COULD BE LIFE THREATENING SO PLEASE BE SAFE ON THE BEACHES. SWIMMERS SHOULD AVOID SWIMMING IN AREAS OF LARGE SHORE BREAK AND ALWAYS SWIM NEAR A LIFEGUARD. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
559 WHUS46 KMTR 121245 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 545 AM PDT WED JUL 12 2017 ...BEACH STATEMENT FOR SOUTHERLY FACING BEACHES... A LONG-PERIOD SOUTHERLY SWELL GENERATED BY THE COMBINATION OF A STORM IN THE SOUTHERN HEMISPHERE AND FROM NOW TROPICAL STORM EUGENE COULD PRODUCE LARGE BREAKING WAVES ALONG SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH THROUGH THE EVENING HOURS. THERE IS ALSO THE POTENTIAL FOR STRONG RIP CURRENTS AND SNEAKER WAVES AS WELL. CAZ006-505-509-529-530-130000- /O.CON.KMTR.BH.S.0006.000000T0000Z-170713T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 545 AM PDT WED JUL 12 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * SEAS...SOUTH SWELL 3 TO 5 FEET WITH A PERIOD OF 16 TO 17 SECONDS. BREAKING WAVES UP TO 10 FEET. * TIMING...WEDNESDAY AND WEDNESDAY EVENING. * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...LARGE BREAKING WAVES ALONG WITH STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THAT POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG ALONG SHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL COULD BE LIFE THREATENING SO PLEASE BE SAFE ON THE BEACHES. SWIMMERS SHOULD AVOID SWIMMING IN AREAS OF LARGE SHORE BREAK AND ALWAYS SWIM NEAR A LIFEGUARD. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
951 WHUS46 KMTR 122102 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 202 PM PDT WED JUL 12 2017 ...BEACH STATEMENT FOR SOUTHERLY FACING BEACHES... A LONG-PERIOD SOUTHERLY SWELL GENERATED BY THE COMBINATION OF A STORM IN THE SOUTHERN HEMISPHERE AND FROM NOW TROPICAL STORM EUGENE COULD PRODUCE LARGE BREAKING WAVES ALONG SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH THROUGH THE EVENING HOURS. THERE IS ALSO THE POTENTIAL FOR STRONG RIP CURRENTS AND SNEAKER WAVES AS WELL. CAZ006-505-509-529-530-130400- /O.CON.KMTR.BH.S.0006.000000T0000Z-170713T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 202 PM PDT WED JUL 12 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * SEAS...SOUTH SWELL 3 TO 5 FEET WITH A PERIOD OF 16 TO 17 SECONDS. BREAKING WAVES UP TO 10 FEET. * TIMING...THROUGH 9 PM WEDNESDAY EVENING. * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...LARGE BREAKING WAVES ALONG WITH STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THAT POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG ALONG SHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL COULD BE LIFE THREATENING SO PLEASE BE SAFE ON THE BEACHES. SWIMMERS SHOULD AVOID SWIMMING IN AREAS OF LARGE SHORE BREAK AND ALWAYS SWIM NEAR A LIFEGUARD. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
166 WHUS46 KMTR 122356 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 456 PM PDT WED JUL 12 2017 ...BEACH STATEMENT FOR SOUTHERLY FACING BEACHES... A LONG-PERIOD SOUTHERLY SWELL GENERATED BY TROPICAL STORM EUGENE COULD PRODUCE LARGE BREAKING WAVES ALONG SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH THROUGH THURSDAY. ALTHOUGH SWELL HEIGHTS ARE EXPECTED TO DECREASE SLIGHTLY ON THURSDAY THERE IS STILL A CONCERN FOR STRONG RIP CURRENTS AND SNEAKER WAVES. CAZ006-505-509-529-530-140400- /O.EXT.KMTR.BH.S.0006.000000T0000Z-170714T0400Z/ 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 PM PDT WED JUL 12 2017 ...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING... * SEAS...SOUTH SWELL 3 TO 5 FEET WITH A PERIOD OF 13 TO 15 SECONDS. * TIMING...THROUGH 9 PM THURSDAY EVENING. * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. BREAKERS UP TO 6 TO 8 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THAT POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG ALONG SHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL COULD BE LIFE THREATENING SO PLEASE BE SAFE ON THE BEACHES. SWIMMERS SHOULD AVOID SWIMMING IN AREAS OF LARGE SHORE BREAK AND ALWAYS SWIM NEAR A LIFEGUARD. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
689 WHUS46 KMTR 131412 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 712 AM PDT THU JUL 13 2017 CAZ006-505-509-529-530-131515- /O.CAN.KMTR.BH.S.0006.000000T0000Z-170714T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 712 AM PDT THU JUL 13 2017 ...BEACH HAZARDS STATEMENT IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS CANCELLED THE BEACH HAZARDS STATEMENT. CONDITIONS ARE NOT MEETING CRITERIA. $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 9:15 PM PDT | Small Craft Advisory | MTR | 3 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.