San Francisco County, California
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Watch/Warnings
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: San Francisco County, California
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Flash Flood Watch
CAZ006-505>513-516>518-528>530-211200-
/O.NEW.KMTR.FF.A.0004.170122T0800Z-170123T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
INCLUDING THE CITIES OF...SAN FRANCISCO...TAMALPAIS-HOMESTEAD...
SAUSALITO...SANTA ROSA...SOUTH SANTA ROSA...NAPA...SAN RAFAEL...
PETALUMA...NOVATO...ROHNERT PARK...ANGWIN...
LAGUNITAS-FOREST KNOLLS...WOODACRE...OAKLAND...FREMONT...
HAYWARD...DALY CITY...BERKELEY...PACIFICA...CONCORD...ANTIOCH...
LIVERMORE...WALNUT CREEK...PLEASANTON...PITTSBURG...SAN RAMON...
BLACKHAWK...SCOTTS VALLEY...BOULDER CREEK...DAY VALLEY...
SAN JOSE...GREENFIELD...KING CITY...SALINAS...SANTA CRUZ...
WATSONVILLE...LIVE OAK...SEASIDE...MONTEREY...MARINA
127 PM PST FRI JAN 20 2017

...FLASH FLOOD WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH
SUNDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A

* FLASH FLOOD WATCH FOR A PORTION OF WESTERN CALIFORNIA...
INCLUDING THE FOLLOWING AREAS...COASTAL NORTH BAY INCLUDING
POINT REYES NATIONAL SEASHORE...EAST BAY HILLS AND THE DIABLO
RANGE...EAST BAY INTERIOR VALLEYS...MOUNTAINS OF SAN BENITO
COUNTY AND INTERIOR MONTEREY COUNTY INCLUDING PINNACLES
NATIONAL MONUMENT...NORTH BAY INTERIOR VALLEYS...NORTH BAY
MOUNTAINS...NORTHERN MONTEREY BAY...NORTHERN SALINAS
VALLEY/HOLLISTER VALLEY AND CARMEL VALLEY...SAN FRANCISCO...
SAN FRANCISCO BAY SHORELINE...SAN FRANCISCO PENINSULA COAST...
SANTA CLARA VALLEY INCLUDING SAN JOSE...SANTA CRUZ MOUNTAINS...
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST...
SOUTHERN MONTEREY BAY AND BIG SUR COAST AND SOUTHERN SALINAS
VALLEY/ARROYO SECO AND LAKE SAN ANTONIO.

* FROM LATE SATURDAY NIGHT THROUGH SUNDAY AFTERNOON

* PERIODS OF HEAVY RAIN ON SATURATED SOILS WILL IMPACT THE REGION
FROM LATE SATURDAY NIGHT THROUGH SUNDAY AFTERNOON. ADDITIONAL
RAINFALL AMOUNTS FROM 0.75 TO 1.5 INCHES ARE POSSIBLE AT LOWER
ELEVATIONS WITH 2 TO 4 INCHES ACROSS HIGHER TERRAIN.

* THE PRIMARY IMPACTS WILL BE LOCALIZED PONDING OF WATER ON LOW
LYING ROADWAYS WITH POOR DRAINAGE...RAPID RISES ON STREAMS AND
CREEKS WITH SOME LIKELY EXCEEDING BANKFULL...SOME RIVER
FLOODING...AND POTENTIAL ROCK AND MUD SLIDES. RECENT BURN
SCARS WILL ALSO BE SUSCEPTIBLE TO DEBRIS FLOWS DURING PERIODS
OF INTENSE RAINFALL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
High Surf Warning
CAZ006-505-509-529-530-220500-
/O.CON.KMTR.SU.W.0001.000000T0000Z-170122T1100Z/
SAN FRANCISCO-
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
132 AM PST SAT JAN 21 2017

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...

* WAVES AND SURF...WEST SWELL 24 TO 28 FEET TODAY THROUGH EARLY
SUNDAY MORNING. SWELL PERIODS 14 TO 15 SECONDS.

* TIMING...CONTINUING THROUGH EARLY SUNDAY MORNING.

* IMPACTS...LARGE BREAKING WAVES...STRONG RIP CURRENTS...AND
SNEAKER WAVES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT VERY DANGEROUS...BATTERING
WAVES WILL POUND THE SHORELINE. DO NOT VENTURE NEAR OR INTO THE
WATER...HEAVY SURF WILL RESULT IN DEADLY RIP CURRENTS.

&&

$$
High Wind Watch
CAZ006-508>513-516>518-528>530-211100-
/O.NEW.KMTR.HW.A.0003.170122T0600Z-170122T1800Z/
SAN FRANCISCO-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-
INCLUDING THE CITIES OF...SAN FRANCISCO...OAKLAND...FREMONT...
HAYWARD...DALY CITY...BERKELEY...PACIFICA...CONCORD...ANTIOCH...
LIVERMORE...WALNUT CREEK...PLEASANTON...PITTSBURG...SAN RAMON...
BLACKHAWK...SCOTTS VALLEY...BOULDER CREEK...DAY VALLEY...
SAN JOSE...GREENFIELD...KING CITY...SALINAS...SANTA CRUZ...
WATSONVILLE...LIVE OAK...SEASIDE...MONTEREY...MARINA
1251 PM PST FRI JAN 20 2017

...HIGH WIND WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A HIGH
WIND WATCH...WHICH IS IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY MORNING.

* TIMING...11 PM SATURDAY EVENING UNTIL 10 AM SUNDAY.

* WINDS...SUSTAINED SOUTHERLY WINDS FROM 40 TO 50 MPH WITH HIGHER
GUSTS POSSIBLE....STRONGEST NEAR THE COAST AND IN THE HIGHER
TERRAIN.

* IMPACTS...DOWNED TREES...LIMBS AND POWERLINES WILL BE
POSSIBLE. DRIVING OF HIGH PROFILE VEHICLES WILL BE IMPACTED AS
WELL.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
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