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Archive for October, 2016

weather update

|Coastal Flood Advisory

COASTAL HAZARD MESSAGE

NATIONAL WEATHER SERVICE SAN FRANCISCO CA

732 AM PDT SAT OCT 15 2016

CAZ006-505-509-529-530-160300-

/O.EXT.KMTR.CF.Y.0006.161015T1432Z-161017T2200Z/

/O.CON.KMTR.BH.S.0017.000000T0000Z-161016T1000Z/

SAN FRANCISCO-

COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-

SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-

SOUTHERN MONTEREY BAY AND BIG SUR COAST-

732 AM PDT SAT OCT 15 2016
…COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 3 PM PDT MONDAY…

…BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE

TONIGHT…
* COASTAL FLOODING…COASTAL FLOODING WILL BE POSSIBLE SUNDAY

  THROUGH MONDAY AFTERNOON DUE TO LARGE ASTRONOMICAL HIGH TIDE.

  THE LARGEST TIDES OF THE YEAR OCCUR DURING THE FULL MOON

  BETWEEN THE MONTHS OF NOVEMBER THROUGH FEBRUARY.
* BEACH HAZARDS… STRONG RIP CURRENTS… LARGE SHORE BREAK…

  SNEAKER WAVES… AND MODERATE WAVE RUNUP.
* TIMING…BEACH HAZARDS THROUGH SATURDAY AND INTO SATURDAY NIGHT.

  COASTAL FLOODING WILL BE HIGHLY CORRELATED WITH HIGH TIDES EACH

  DAY. THESE WILL OCCUR AROUND NOON TODAY…MIDNIGHT TONIGHT…

  NOON SUNDAY…MIDNIGHT SUNDAY NIGHT…AND AROUND 1 PM MONDAY

  AFTERNOON.
* LOCATION… WEST AND NORTHWEST FACING BEACHES AND LOW LYING

  COASTAL AREAS.
* IMPACTS… STRONG RIP CURRENTS CAN EXHAUST AND PULL SWIMMERS

  FURTHER OUT TO SEA. LARGE SHORE BREAK…SNEAKER WAVES… AND

  WAVE RUNUP CAN RESULT IN INJURY OR KNOCK UNSUSPECTING PEOPLE

  INTO THE OCEAN. LOCAL INUNDATION OF BEACHES AND LOW- LYING

  AREAS ALONG THE COASTLINE.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES

WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.
A BEACH HAZARD STATEMENT FOR LARGE SHORE BREAK MEANS THAT

CONDITIONS ARE PRESENT TO SUPPORT LARGE BREAKING WAVES IN SHALLOW

WATER. THESE LARGE BREAKING WAVES CAN LEAD TO BACK AND NECK

INJURIES. 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.
&&
$$

Beach Hazards Statement

COASTAL HAZARD MESSAGE

NATIONAL WEATHER SERVICE SAN FRANCISCO CA

732 AM PDT SAT OCT 15 2016

CAZ006-505-509-529-530-160300-

/O.EXT.KMTR.CF.Y.0006.161015T1432Z-161017T2200Z/

/O.CON.KMTR.BH.S.0017.000000T0000Z-161016T1000Z/

SAN FRANCISCO-

COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-

SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-

SOUTHERN MONTEREY BAY AND BIG SUR COAST-

732 AM PDT SAT OCT 15 2016
…COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 3 PM PDT MONDAY…

…BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE

TONIGHT…
* COASTAL FLOODING…COASTAL FLOODING WILL BE POSSIBLE SUNDAY

  THROUGH MONDAY AFTERNOON DUE TO LARGE ASTRONOMICAL HIGH TIDE.

  THE LARGEST TIDES OF THE YEAR OCCUR DURING THE FULL MOON

  BETWEEN THE MONTHS OF NOVEMBER THROUGH FEBRUARY.
* BEACH HAZARDS… STRONG RIP CURRENTS… LARGE SHORE BREAK…

  SNEAKER WAVES… AND MODERATE WAVE RUNUP.
* TIMING…BEACH HAZARDS THROUGH SATURDAY AND INTO SATURDAY NIGHT.

  COASTAL FLOODING WILL BE HIGHLY CORRELATED WITH HIGH TIDES EACH

  DAY. THESE WILL OCCUR AROUND NOON TODAY…MIDNIGHT TONIGHT…

  NOON SUNDAY…MIDNIGHT SUNDAY NIGHT…AND AROUND 1 PM MONDAY

  AFTERNOON.
* LOCATION… WEST AND NORTHWEST FACING BEACHES AND LOW LYING

  COASTAL AREAS.
* IMPACTS… STRONG RIP CURRENTS CAN EXHAUST AND PULL SWIMMERS

  FURTHER OUT TO SEA. LARGE SHORE BREAK…SNEAKER WAVES… AND

  WAVE RUNUP CAN RESULT IN INJURY OR KNOCK UNSUSPECTING PEOPLE

  INTO THE OCEAN. LOCAL INUNDATION OF BEACHES AND LOW- LYING

  AREAS ALONG THE COASTLINE.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES

WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.
A BEACH HAZARD STATEMENT FOR LARGE SHORE BREAK MEANS THAT

CONDITIONS ARE PRESENT TO SUPPORT LARGE BREAKING WAVES IN SHALLOW

WATER. THESE LARGE BREAKING WAVES CAN LEAD TO BACK AND NECK

INJURIES. 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.

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Hazardous Weather Outlook 

Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK

NATIONAL WEATHER SERVICE SAN FRANCISCO CA

505 AM PDT THU OCT 13 2016
CAZ006-505>513-516>518-528>530-141215-

SAN FRANCISCO-

COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-

NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-

SAN FRANCISCO BAY SHORELINE-SAN FRANCISCO PENINSULA COAST-

EAST BAY INTERIOR VALLEYS-EAST BAY HILLS AND THE DIABLO RANGE-

SANTA CRUZ MOUNTAINS-SANTA CLARA VALLEY INCLUDING SAN JOSE-

SOUTHERN SALINAS VALLEY/ARROYO SECO AND LAKE SAN ANTONIO-

SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-

MOUNTAINS OF SAN BENITO COUNTY AND INTERIOR MONTEREY COUNTY

INCLUDING PINNACLES NATIONAL MONUMENT-

NORTHERN SALINAS VALLEY/HOLLISTER VALLEY AND CARMEL VALLEY-

NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST-

505 AM PDT THU OCT 13 2016
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN

CALIFORNIA.
.DAY ONE…TODAY AND TONIGHT
RAIN WILL RETURN TO THE NORTH BAY TONIGHT. WINDS WILL PICK UP

THROUGH THE DAY.
.DAYS TWO THROUGH SEVEN…THURSDAY THROUGH TUESDAY
A STRONG AND WET PACIFIC WEATHER SYSTEM IS EXPECTED TO SPREAD

RAIN INTO OUR REGION LATE TONIGHT AND ACROSS THE REMAINDER OF THE

SAN FRANCISCO BAY AREA ON FRIDAY. RAIN MAY REACH AS FAR SOUTH AS

THE MONTEREY BAY AREA BY FRIDAY AFTERNOON. RAIN MAY BE HEAVY AT

TIMES. INCREASING SOUTHERLY WINDS ARE FORECAST THIS EVENING INTO

TONIGHT. IN ADDITION…LARGE OCEAN SWELL WILL ARRIVE ALONG THE

COAST FROM LATE TONIGHT INTO FRIDAY. A SECOND SYSTEM WILL BRING

MORE RAIN…AGAIN LOCALLY HEAVY…AND GUSTY WINDS FROM LATE

SATURDAY INTO SUNDAY.
HAZARDS FROM THESE STORM SYSTEMS LATE IN THE WEEK AND INTO THE

WEEKEND INCLUDE…
* DRIVING HAZARDS: THIS WILL BE THE FIRST SIGNIFICANT RAIN EVENT

   OF THE SEASON. ACCUMULATED OIL ON ROAD SURFACES WILL RESULT IN

   SLICK ROADWAYS. IN ADDITION…AFTER SEVERAL MONTHS OF DRY

   WEATHER DRIVERS WILL BE UNACCUSTOMED TO DRIVING IN WET WEATHER

   WHICH WILL INCREASE THE POTENTIAL FOR AUTOMOBILE ACCIDENTS.
* FALLEN LEAVES AND DEBRIS IN ROADWAYS MAY LEAD TO CLOGGED STORM

   DRAINS…ESPECIALLY IF HEAVY RAINFALL DEVELOPS. THIS COULD

   RESULT IN PONDING ON ROADWAYS…MAINLY IN LOW LYING AREAS AND

   IN AREAS OF POOR DRAINAGE.
* WINDS: LOCALLY STRONG AND GUSTY SOUTH WINDS MAY BRING DOWN

   TREES AND POWER LINES AND RESULT IN POWER OUTAGES. STRONGEST

   WINDS ARE EXPECTED IN THE HILLS AND ALONG THE COAST.
* WAVES: LARGE BREAKING WAVES ARE EXPECTED ALONG THE COAST BY

   LATE IN THE WEEK AND INTO THE WEEKEND. THIS WILL RESULT IN

   HAZARDOUS CONDITIONS IN THE SURF ZONE AND ON AREA BEACHES. A

   COASTAL FLOOD ADVISORY AND HIGH SURF ADVISORY IS IN EFFECT FOR

   FRIDAY.
PLEASE CONTINUE TO MONITOR THE LATEST FORECASTS FOR UPDATED

WEATHER INFORMATION.
$$

Coastal Flood Advisory

COASTAL HAZARD MESSAGE

NATIONAL WEATHER SERVICE SAN FRANCISCO CA

246 PM PDT THU OCT 13 2016
…THE FIRST LARGE LONG PERIOD NORTHWEST SWELL OF THE SEASON WILL

MOVE INTO THE REGION ON FRIDAY…
CAZ006-505-509-529-530-141200-

/O.CON.KMTR.CF.Y.0005.161014T1000Z-161015T0400Z/

/O.CON.KMTR.SU.Y.0015.161014T1000Z-161015T0400Z/

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 THU OCT 13 2016
…COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM PDT

FRIDAY…

…HIGH SURF ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM PDT

FRIDAY…
* COASTAL FLOODING… COASTAL FLOODING WILL BE POSSIBLE ON

  FRIDAY ALONG THE IMMEDIATE COASTLINE DUE TO A COMBINATION OF

  HIGH TIDE AND BEACHES IN THEIR SUMMER SAND PROFILES. THESE

  SUMMER SAND PROFILES ARE POOR IN PREVENTING WAVE RUNUP AND

  ALLOW WAVES TO REACH AREAS FURTHER INLAND.
* WAVES AND SURF…NORTHWEST SWELL 14 TO 16 FEET ON FRIDAY WITH

  A PERIOD OF 16 TO 18 SECONDS. A LARGER SWELL TRAIN ARRIVES

  SUNDAY.
* TIMING…FORERUNNERS WILL ARRIVE EARLY FRIDAY MORNING THEN

  LARGER WAVES WILL ARRIVE THROUGH THE DAY ON FRIDAY. A SECOND

  LARGER SWELL TRAIN IS SET TO ARRIVE SUNDAY.
* IMPACTS… STRONG RIP CURRENTS MAY QUICKLY EXHAUST SWIMMERS.

  LARGE SHORE BREAK CAN LEAD TO INJURY AND LARGE WAVE RUNUP CAN

  PULL UNSUSPECTING PEOPLE INTO THE COLD AND TURBULENT WATERS.

  PONDING OF WATER ALONG LOW LYING AREAS ALONG THE IMMEDIATE

  COAST.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN

THE ADVISORY AREA…PRODUCING RIP CURRENTS AND LOCALIZED BEACH

EROSION.
A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES

WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.
&&
$$

High Surf Advisory

COASTAL HAZARD MESSAGE

NATIONAL WEATHER SERVICE SAN FRANCISCO CA

246 PM PDT THU OCT 13 2016
…THE FIRST LARGE LONG PERIOD NORTHWEST SWELL OF THE SEASON WILL

MOVE INTO THE REGION ON FRIDAY…
CAZ006-505-509-529-530-141200-

/O.CON.KMTR.CF.Y.0005.161014T1000Z-161015T0400Z/

/O.CON.KMTR.SU.Y.0015.161014T1000Z-161015T0400Z/

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 THU OCT 13 2016
…COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM PDT

FRIDAY…

…HIGH SURF ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM PDT

FRIDAY…
* COASTAL FLOODING… COASTAL FLOODING WILL BE POSSIBLE ON

  FRIDAY ALONG THE IMMEDIATE COASTLINE DUE TO A COMBINATION OF

  HIGH TIDE AND BEACHES IN THEIR SUMMER SAND PROFILES. THESE

  SUMMER SAND PROFILES ARE POOR IN PREVENTING WAVE RUNUP AND

  ALLOW WAVES TO REACH AREAS FURTHER INLAND.
* WAVES AND SURF…NORTHWEST SWELL 14 TO 16 FEET ON FRIDAY WITH

  A PERIOD OF 16 TO 18 SECONDS. A LARGER SWELL TRAIN ARRIVES

  SUNDAY.
* TIMING…FORERUNNERS WILL ARRIVE EARLY FRIDAY MORNING THEN

  LARGER WAVES WILL ARRIVE THROUGH THE DAY ON FRIDAY. A SECOND

  LARGER SWELL TRAIN IS SET TO ARRIVE SUNDAY.
* IMPACTS… STRONG RIP CURRENTS MAY QUICKLY EXHAUST SWIMMERS.

  LARGE SHORE BREAK CAN LEAD TO INJURY AND LARGE WAVE RUNUP CAN

  PULL UNSUSPECTING PEOPLE INTO THE COLD AND TURBULENT WATERS.

  PONDING OF WATER ALONG LOW LYING AREAS ALONG THE IMMEDIATE

  COAST.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN

THE ADVISORY AREA…PRODUCING RIP CURRENTS AND LOCALIZED BEACH

EROSION.
A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES

WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.
&&
$$

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