Alert archive / California / Beach Hazards Statements in 2015
Beach Hazards Statement 7, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Sep 4, 2015, 2:36 PM PDT for 6 counties in California. It took effect at Sep 5, 2015, 6:00 AM PDT. It was in force for 62 hr.
The area
The counties it named.
The facts
- Issued
- Sep 4, 2015, 2:36 PM PDT (21:36 UTC)
- In effect from
- Sep 5, 2015, 6:00 AM PDT
- Expired
- Sep 7, 2015, 8:00 PM PDT
- In force
- 62 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 21:33 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
- 1013 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
642 WHUS46 KMTR 042136 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 236 PM PDT FRI SEP 4 2015 ...LONG PERIOD SOUTH SOUTHWEST SWELL WILL BRING HAZARDOUS BEACH CONDITIONS THROUGH THE EXTENDED HOLIDAY WEEKEND... .A LONG PERIOD SWELL FROM THE SOUTHERN HEMISPHERE WILL MOVE INTO THE REGIONAL WATERS THROUGH THE EXTENDED HOLIDAY WEEKEND. PERIODS WILL RANGE BETWEEN 18 AND 22 SECONDS WITH SWELL HEIGHTS OF 3 TO 5 FEET POSSIBLE WITH AN AVERAGE DIRECTION OF 210 DEGREES. THIS WILL RESULT IN AN INCREASED RISK OF RIP CURRENTS... SNEAKER WAVES... AND LARGE SHORE BREAKS TO SOUTH AND SOUTHWEST FACING BEACHES. CAZ006-505-509-529-530-051400- /O.NEW.KMTR.BH.S.0007.150905T1300Z-150908T0300Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 236 PM PDT FRI SEP 4 2015 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SATURDAY MORNING THROUGH MONDAY EVENING... * LOCATION... ALL SOUTH AND SOUTHWEST FACING BEACHES FROM SONOMA COUNTY THROUGH MONTEREY COUNTY... INCLUDING SONOMA COAST STATE PARK BEACHES... STINSON BEACH... MUIR BEACH... NATURAL BRIDGES BEACH... SANTA CRUZ BOARDWALK BEACH... TWIN LAKES BEACH... AND PFEIFFER BEACH. * TIMING... LONG PERIOD FORERUNNERS WILL MOVE INTO THE REGION LATER TODAY AND TONIGHT. SWELL WILL BUILD EARLY SATURDAY MORNING... PEAKING BETWEEN 3 AND 5 FEET... WITH LOCALLY LARGER WAVES THROUGH MONDAY EVENING. * IMPACTS... DANGEROUS RIP CURRENTS... LARGE SHORE BREAKS... AND SNEAKER WAVES. 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. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
3 follow-up statements
928 WHUS46 KMTR 051313 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 613 AM PDT SAT SEP 5 2015 ...LONG PERIOD SOUTH SOUTHWEST SWELL WILL BRING HAZARDOUS BEACH CONDITIONS THROUGH THE EXTENDED HOLIDAY WEEKEND... .A LONG PERIOD SWELL FROM THE SOUTHERN HEMISPHERE WILL MOVE INTO THE REGIONAL WATERS THROUGH THE EXTENDED HOLIDAY WEEKEND. PERIODS WILL RANGE BETWEEN 18 AND 22 SECONDS WITH SWELL HEIGHTS OF 3 TO 5 FEET POSSIBLE WITH AN AVERAGE DIRECTION OF 210 DEGREES. THIS WILL RESULT IN AN INCREASED RISK OF RIP CURRENTS... SNEAKER WAVES... AND LARGE SHORE BREAKS TO SOUTH AND SOUTHWEST FACING BEACHES. CAZ006-505-509-529-530-060400- /O.CON.KMTR.BH.S.0007.000000T0000Z-150908T0300Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 613 AM PDT SAT SEP 5 2015 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY EVENING... * LOCATION... ALL SOUTH AND SOUTHWEST FACING BEACHES FROM SONOMA COUNTY THROUGH MONTEREY COUNTY... INCLUDING SONOMA COAST STATE PARK BEACHES... STINSON BEACH... MUIR BEACH... NATURAL BRIDGES BEACH... SANTA CRUZ BOARDWALK BEACH... TWIN LAKES BEACH... AND PFEIFFER BEACH. * TIMING... LONG PERIOD FORERUNNERS WILL MOVE INTO THE REGION LATER TODAY AND TONIGHT. SWELL WILL BUILD EARLY SATURDAY MORNING... PEAKING BETWEEN 3 AND 5 FEET... WITH LOCALLY LARGER WAVES THROUGH MONDAY EVENING. * IMPACTS... DANGEROUS RIP CURRENTS... LARGE SHORE BREAKS... AND SNEAKER WAVES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
634 WHUS46 KMTR 060347 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 847 PM PDT SAT SEP 5 2015 ...LONG PERIOD SOUTH SOUTHWEST SWELL WILL BRING HAZARDOUS BEACH CONDITIONS THROUGH THE EXTENDED HOLIDAY WEEKEND... .A LONG PERIOD SOUTHWESTERLY SWELL WILL MOVE INTO THE REGIONAL WATERS THROUGH THE EXTENDED HOLIDAY WEEKEND. PERIODS WILL RANGE BETWEEN 18 AND 22 SECONDS WITH SWELL HEIGHTS OF 3 TO 5 FEET POSSIBLE WITH AN AVERAGE DIRECTION OF 210 DEGREES. THIS WILL RESULT IN AN INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES... AND LARGE SHORE BREAKS TO SOUTH AND SOUTHWEST FACING BEACHES. CAZ006-505-509-529-530-070400- /O.CON.KMTR.BH.S.0007.000000T0000Z-150908T0300Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 847 PM PDT SAT SEP 5 2015 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY EVENING... * LOCATION... ALL SOUTH AND SOUTHWEST FACING BEACHES FROM SONOMA COUNTY THROUGH MONTEREY COUNTY... INCLUDING SONOMA COAST STATE PARK BEACHES... STINSON BEACH... MUIR BEACH... NATURAL BRIDGES BEACH... SANTA CRUZ BOARDWALK BEACH... TWIN LAKES BEACH... AND PFEIFFER BEACH. * TIMING... LONG PERIOD FORERUNNERS WILL MOVE INTO THE REGION LATER TODAY AND TONIGHT. SWELL WILL BUILD EARLY SATURDAY MORNING... PEAKING BETWEEN 3 AND 5 FEET... WITH LOCALLY LARGER WAVES THROUGH MONDAY EVENING. * IMPACTS... DANGEROUS RIP CURRENTS... LARGE SHORE BREAKS... AND SNEAKER WAVES. 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. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
220 WHUS46 KMTR 070357 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 857 PM PDT SUN SEP 6 2015 ...LONG PERIOD SOUTH SOUTHWEST SWELL WILL BRING HAZARDOUS BEACH CONDITIONS THROUGH TUESDAY... .A LONG PERIOD SOUTHWESTERLY SWELL WILL AFFECT THE COASTAL WATERS THROUGH MONDAY NIGHT. PERIODS WILL RANGE BETWEEN 18 AND 20 SECONDS WITH SWELL HEIGHTS OF 3 TO 5 FEET POSSIBLE WITH AN AVERAGE DIRECTION OF 210 DEGREES. THIS WILL RESULT IN AN INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES... AND LARGE SHORE BREAKS TO SOUTH AND SOUTHWEST FACING BEACHES. CAZ006-505-509-529-530-080300- /O.CON.KMTR.BH.S.0007.000000T0000Z-150908T0300Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 857 PM PDT SUN SEP 6 2015 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY EVENING... * LOCATION... ALL SOUTH AND SOUTHWEST FACING BEACHES FROM SONOMA COUNTY THROUGH MONTEREY COUNTY... INCLUDING SONOMA COAST STATE PARK BEACHES... STINSON BEACH... MUIR BEACH... NATURAL BRIDGES BEACH... SANTA CRUZ BOARDWALK BEACH... TWIN LAKES BEACH... AND PFEIFFER BEACH. * TIMING...3 TO 5 FOOT SOUTHWESTERLY SWELL WITH LOCALLY LARGER WAVES THROUGH MONDAY EVENING. * IMPACTS... DANGEROUS RIP CURRENTS... LARGE SHORE BREAKS... AND SNEAKER WAVES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
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.