Alert archive / California / Beach Hazards Statements in 2015
Beach Hazards Statement 2, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Apr 15, 2015, 2:33 PM PDT for 6 counties in California. It took effect at Apr 16, 2015, 11:00 AM PDT. It was in force for 34 hr.
The area
The counties it named.
The facts
- Issued
- Apr 15, 2015, 2:33 PM PDT (21:33 UTC)
- In effect from
- Apr 16, 2015, 11:00 AM PDT
- Expired
- Apr 17, 2015, 9:00 PM PDT
- In force
- 34 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 21:39 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
- 2254 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
112 WHUS46 KMTR 152133 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 233 PM PDT WED APR 15 2015 ...LONG PERIOD SWELL WILL LEAD TO HAZARD BEACH CONDITIONS MIDDAY THURSDAY INTO FRIDAY... .A POTENT STORM SYSTEM TO THE NORTH HAS GENERATED A LONG PERIOD SWELL TRAIN THAT WILL BEGIN TO MOVE INTO THE AREA MIDDAY THURSDAY. RELATIVELY SMALL...FAST MOVING...FORERUNNER WAVES WILL BEGIN TO ENTER THE WATERS AROUND MIDDAY THURSDAY BEFORE TRANSITIONING INTO LARGER WAVES MOVING INTO THE WATERS FRIDAY. THE LONG PERIOD SWELL IN COMBINATION WITH FAVORABLE WINDS WILL LEAD TO HAZARDOUS BEACH CONDITIONS... INCLUDING RIP CURRENTS... SNEAKER WAVES... AND LARGE BREAKING WAVES. CAZ006-505-509-529-530-160630- /O.NEW.KMTR.BH.S.0002.150416T1800Z-150418T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 233 PM PDT WED APR 15 2015 ...BEACH HAZARDS STATEMENT IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY EVENING... THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED A BEACH HAZARDS STATEMENT FOR INCREASED LIKELIHOOD OF RIP CURRENTS... SNEAKER WAVES...AND LARGE BREAKING WAVES WHICH IS IN EFFECT FROM MIDDAY THURSDAY THROUGH LATE FRIDAY EVENING. * LOCATION...PACIFIC COASTLINE FROM SONOMA COUNTY THROUGH MONTEREY COUNTY. * TIMING...FAST MOVING FORERUNNER WAVES ARRIVE MIDDAY THURSDAY THEN LARGER WAVES OVERNIGHT THURSDAY INTO FRIDAY. * IMPACTS...INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY 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 AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ DRP HTTP://WWW.WEATHER.GOV/SANFRANCISCO
4 follow-up statements
260 WHUS46 KMTR 160555 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1055 PM PDT WED APR 15 2015 ...LONG PERIOD SWELL WILL LEAD TO HAZARDOUS BEACH CONDITIONS THURSDAY MORNING INTO FRIDAY. A POTENT STORM SYSTEM TO THE NORTH HAS GENERATED A LONG PERIOD SWELL TRAIN THAT WILL BEGIN TO MOVE INTO THE AREA THURSDAY MORNING. RELATIVELY SMALL...FAST MOVING...FORERUNNER WAVES WILL BEGIN TO ENTER THE WATERS AROUND MIDDAY THURSDAY BEFORE TRANSITIONING INTO LARGER WAVES MOVING INTO THE WATERS FRIDAY. THE LONG PERIOD SWELL IN COMBINATION WITH FAVORABLE WINDS WILL LEAD TO HAZARDOUS BEACH CONDITIONS... INCLUDING RIP CURRENTS... SNEAKER WAVES... AND LARGE BREAKING WAVES. CAZ006-505-509-529-530-162200- /O.CON.KMTR.BH.S.0002.150416T1800Z-150418T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 1055 PM PDT WED APR 15 2015 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY EVENING... * LOCATION...PACIFIC COASTLINE FROM SONOMA COUNTY THROUGH MONTEREY COUNTY. * TIMING...FAST MOVING FORERUNNER WAVES ARRIVE MIDDAY THURSDAY THEN LARGER WAVES OVERNIGHT THURSDAY INTO FRIDAY. * IMPACTS...INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY SNEAKER WAVES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
081 WHUS46 KMTR 162149 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 249 PM PDT THU APR 16 2015 ...LONG PERIOD SWELL WILL LEAD TO HAZARDOUS BEACH CONDITIONS THIS EVENING INTO FRIDAY. A STRONG STORM SYSTEM NOW PUSHING INTO BRITISH COLUMBIA HAS GENERATED A LONG PERIOD SWELL TRAIN THAT WILL BEGIN TO MOVE INTO THE COASTAL WATERS THIS EVENING. RELATIVELY SMALL...FAST MOVING...FORERUNNER WAVES WILL BEGIN TO ENTER THE WATERS THIS EVENING BEFORE BUILDING INTO LARGER WAVES ON FRIDAY. THE LONG PERIOD SWELL IN COMBINATION WITH FAVORABLE WINDS WILL LEAD TO HAZARDOUS BEACH CONDITIONS... INCLUDING RIP CURRENTS... SNEAKER WAVES... AND LARGE BREAKING WAVES. CAZ006-505-509-529-530-170600- /O.CON.KMTR.BH.S.0002.000000T0000Z-150418T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 249 PM PDT THU APR 16 2015 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY EVENING... * LOCATION...PACIFIC COASTLINE FROM SONOMA COUNTY THROUGH MONTEREY COUNTY. * TIMING...FAST MOVING FORERUNNER WAVES ARRIVE THIS EVENING WITH SEAS BUILDING OVERNIGHT INTO FRIDAY. * IMPACTS...INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY 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 AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
463 WHUS46 KMTR 170533 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1033 PM PDT THU APR 16 2015 ...LONG PERIOD SWELL WILL LEAD TO HAZARDOUS BEACH CONDITIONS TONIGHT AND FRIDAY. A STRONG STORM SYSTEM NOW PUSHING INTO BRITISH COLUMBIA HAS GENERATED A LONG PERIOD SWELL TRAIN THAT HAS MOVED INTO THE COASTAL WATERS THIS EVENING. RELATIVELY SMALL...FAST MOVING... FORERUNNER WAVES WILL BUILDING INTO LARGER WAVES ON FRIDAY. THE LONG PERIOD SWELL IN COMBINATION WITH FAVORABLE WINDS WILL LEAD TO HAZARDOUS BEACH CONDITIONS... INCLUDING RIP CURRENTS... SNEAKER WAVES... AND LARGE BREAKING WAVES. CAZ006-505-509-529-530-171700- /O.CON.KMTR.BH.S.0002.000000T0000Z-150418T0400Z/ SAN FRANCISCO- COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE- SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY- SOUTHERN MONTEREY BAY AND BIG SUR COAST- 1033 PM PDT THU APR 16 2015 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY EVENING... * LOCATION...PACIFIC COASTLINE FROM SONOMA COUNTY THROUGH MONTEREY COUNTY. * TIMING...FAST MOVING FORERUNNER WAVES WILL BUILD OVERNIGHT INTO FRIDAY. * IMPACTS...INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY SNEAKER WAVES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
903 WHUS46 KMTR 171606 CFWMTR URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 906 AM PDT FRI APR 17 2015 ...LONG PERIOD SWELL WILL LEAD TO HAZARDOUS BEACH CONDITIONS FRIDAY. A STORM WELL TO THE NORTH THAT GENERATED A LONG PERIOD SWELL WILL CONTINUE TO IMPACT THE CENTRAL COAST TODAY. THE LONG PERIOD SWELL IN COMBINATION WITH FAVORABLE WINDS WILL LEAD TO HAZARDOUS BEACH CONDITIONS... INCLUDING RIP CURRENTS... SNEAKER WAVES... AND LARGE BREAKING WAVES. CAZ006-505-509-529-530-180400- /O.CON.KMTR.BH.S.0002.000000T0000Z-150418T0400Z/ 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 FRI APR 17 2015 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * LOCATION...PACIFIC COASTLINE FROM SONOMA COUNTY THROUGH MONTEREY COUNTY. * TIMING...LONG PERIOD SWELL WILL REMAIN THROUGH THIS EVENING. * IMPACTS...INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY 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 AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE OCEAN. PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE NEW BEACH HAZARDS STATEMENT... HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS. && $$ HTTP://WWW.WEATHER.GOV/SANFRANCISCO
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 2:46 PM PDT | Small Craft Advisory for Rough Bar | MTR | 60 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.