Alert archive / California / Beach Hazards Statements in 2017
Beach Hazards Statement 7, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Jul 29, 2017, 1:19 AM PDT for 6 counties in California. It took effect at Jul 30, 2017, 11:00 PM PDT. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Jul 29, 2017, 1:19 AM PDT (08:19 UTC)
- In effect from
- Jul 30, 2017, 11:00 PM PDT
- Expired
- Jul 31, 2017, 8:34 PM PDT
- In force
- 22 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 08:23 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, 8.3 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
- 2535 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
485 WHUS46 KMTR 290819 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 119 AM PDT SAT JUL 29 2017 CAZ006-505-509-529-530-291630- /O.NEW.KMTR.BH.S.0007.170731T0600Z-170801T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 119 AM PDT SAT JUL 29 2017 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A BEACH HAZARDS STATEMENT FOR RIP CURRENTS, SNEAKER WAVES, AND LARGE SHORE BREAK, WHICH IS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING. * SEAS...SOUTH SWELL 3 TO 4 FEET WITH A PERIOD OF 16 TO 18 SECONDS. * TIMING...11 PM SUNDAY TO 11 PM MONDAY * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. BREAKERS UP TO 7 TO 9 FEET. 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...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. 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. && $$
7 follow-up statements
158 WHUS46 KMTR 291550 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 850 AM PDT SAT JUL 29 2017 CAZ006-505-509-529-530-300600- /O.CON.KMTR.BH.S.0007.170731T0600Z-170801T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 850 AM PDT SAT JUL 29 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING... * SEAS...SOUTH SWELL 3 TO 4 FEET WITH A PERIOD OF 16 TO 18 SECONDS. * TIMING...11 PM SUNDAY TO 11 PM MONDAY * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. BREAKERS UP TO 7 TO 9 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. SWIMMERS SHOULD AVOID SWIMMING IN AREAS OF LARGE SHORE BREAK AND ALWAYS SWIM NEAR A LIFEGUARD. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
974 WHUS46 KMTR 300541 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1041 PM PDT SAT JUL 29 2017 CAZ006-505-509-529-530-302145- /O.CON.KMTR.BH.S.0007.170731T0600Z-170801T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 1041 PM PDT SAT JUL 29 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING... * SEAS...SOUTH SWELL 3 TO 4 FEET WITH A PERIOD OF 16 TO 18 SECONDS. * TIMING...11 PM SUNDAY TO 11 PM MONDAY * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. BREAKERS UP TO 7 TO 9 FEET. 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...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. 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. && $$
368 WHUS46 KMTR 302057 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 157 PM PDT SUN JUL 30 2017 CAZ006-505-509-529-530-310600- /O.CON.KMTR.BH.S.0007.170731T0600Z-170801T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 157 PM PDT SUN JUL 30 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 11 PM PDT THIS EVENING THROUGH MONDAY EVENING... * SEAS...SOUTH SWELL 3 TO 4 FEET WITH A PERIOD OF 16 TO 18 SECONDS. * TIMING...11 PM SUNDAY TO 11 PM MONDAY * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. BREAKERS UP TO 7 TO 9 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. SWIMMERS SHOULD AVOID SWIMMING IN AREAS OF LARGE SHORE BREAK AND ALWAYS SWIM NEAR A LIFEGUARD. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
971 WHUS46 KMTR 310449 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 949 PM PDT SUN JUL 30 2017 CAZ006-505-509-529-530-311615- /O.CON.KMTR.BH.S.0007.170731T0600Z-170801T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 949 PM PDT SUN JUL 30 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH 11 PM PDT MONDAY EVENING... * SEAS...SOUTH SWELL 3 TO 4 FEET WITH A PERIOD OF 16 TO 18 SECONDS. * TIMING...11 PM PDT TONIGHT TO 11 PM PDT MONDAY. * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. BREAKERS UP TO 7 FEET. 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...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. 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. && $$
683 WHUS46 KMTR 311606 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 906 AM PDT MON JUL 31 2017 CAZ006-505-509-529-530-312200- /O.CON.KMTR.BH.S.0007.000000T0000Z-170801T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 906 AM PDT MON JUL 31 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * SEAS...SOUTH SWELL 3 TO 4 FEET WITH A PERIOD OF 16 TO 18 SECONDS. * TIMING...THROUGH 11 PM PDT MONDAY. * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. BREAKERS UP TO 7 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. SWIMMERS SHOULD AVOID SWIMMING IN AREAS OF LARGE SHORE BREAK AND ALWAYS SWIM NEAR A LIFEGUARD. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$
911 WHUS46 KMTR 312146 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 246 PM PDT MON JUL 31 2017 CAZ006-505-509-529-530-010600- /O.CON.KMTR.BH.S.0007.000000T0000Z-170801T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 246 PM PDT MON JUL 31 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * SEAS...SOUTH SWELL 3 TO 4 FEET WITH A PERIOD OF 16 TO 18 SECONDS. * TIMING...THROUGH 11 PM PDT MONDAY. * LOCATION...SOUTH FACING BEACHES SUCH AS SANTA CRUZ AND STINSON BEACH. * POTENTIAL IMPACTS...STRONG RIP CURRENTS AND POSSIBLE SNEAKER WAVES. BREAKERS UP TO 7 FEET. 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...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. 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. && $$
685 WHUS46 KMTR 010334 CFWMTR COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 834 PM PDT MON JUL 31 2017 CAZ006-505-509-529-530-010445- /O.CAN.KMTR.BH.S.0007.000000T0000Z-170801T0600Z/ SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 834 PM PDT MON JUL 31 2017 ...BEACH HAZARDS STATEMENT IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS CANCELLED THE BEACH HAZARDS STATEMENT. CONDITIONS HAVE IMPROVED TO THE POINT THAT A BEACH HAZARD STATEMENT IS NO LONGER WARRANTED. $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 4:35 PM PDT | Small Craft Advisory | MTR | 6 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.