Flash Flood Warning 20, NWS San Francisco Bay Area, CA

534 
WGUS76 KMTR 160742
FFSMTR

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1142 PM PST MON DEC 15 2014

CAC053-160752-
/O.CAN.KMTR.FF.W.0020.000000T0000Z-141216T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONTEREY CA-
1142 PM PST MON DEC 15 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR THE BURN AREAS OF
MONTEREY COUNTY...

LAT...LON 3621 12175 3629 12163 3620 12152 3617 12165
TIME...MOT...LOC 0742Z 180DEG 0KT 3622 12168

$$

CW

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
957 PM PST MON DEC 15 2014

.SYNOPSIS...LINGERING RAIN SHOWERS WILL CONTINUE THROUGH TONIGHT.
ANOTHER ROUND OF WIDESPREAD RAINFALL IS EXPECTED TUESDAY AFTERNOON
AND EVENING AS THE NEXT SYSTEM MOVES IN. AFTER A LULL IN RAINFALL
WEDNESDAY AND THURSDAY...A WEAKER SYSTEM IS FORECAST TO BRING
RAIN TO THE REGION ON FRIDAY. DRIER CONDITIONS WILL LIKELY RETURN
FOR THE UPCOMING WEEKEND THROUGH MUCH OF NEXT WEEK AS HIGH
PRESSURE BUILDS ALOFT.

&&

.DISCUSSION...AS OF 9:30 PM PST MONDAY...SHOWERS CONTINUE ALL
ACROSS THE DISTRICT THIS EVENING WITH MOST OF THE ACTIVITY IN THE
NORTH BAY. STILL SOME LOCALLY HEAVY SHOWERS WITH SANTA ROSA
AIRPORT PICKING UP .59 INCHES BETWEEN 7 PM AND 7:45 PM. THE UPPER
TROUGH HAS MOVED THROUGH AND SHOWER ACTIVITY WILL DECREASE
OVERNIGHT.

BUT THERE WILL NOT BE MUCH OF A BREAK IN THE PRECIP AS THE NEXT
SYSTEM IS RAPIDLY APPROACHING FROM THE NORTHWEST. LATEST MODELS
STILL BRING RAIN BACK TO THE NORTH BAY COAST AROUND NOON TUESDAY
AND SPREAD IT QUICKLY ACROSS THE CWA TUESDAY AFTERNOON.

RAIN CONTINUES INTO TUESDAY NIGHT THEN CHANGES TO SCATTERED SHOWERS
WEDNESDAY. SHOWERS WILL END WEDNESDAY NIGHT LEADING TO A DRY DAY
ON THURSDAY. THIS SYSTEM WILL MOVE THROUGH QUICKLY WHICH WILL
KEEP RAINFALL AMOUNTS LOWER. LATEST ESTIMATES ARE 0.5-1 INCH IN
THE LOWLANDS AND 1-2.5 INCHES IN THE COASTAL HILLS. EVEN THOUGH
THIS SYSTEM WILL NOT BE AS WET AS THE PREVIOUS SYSTEMS...THE
GROUND IS ALREADY VERY SATURATED AND JUST A LITTLE BIT OF RAIN MAY
STILL CAUSE DOWNING OF TREES AND LOCAL MUDSLIDES.

A CHANGE IN THE SYNOPTIC PATTERN WILL TAKE PLACE STARTING THURSDAY
AS AN UPPER LEVEL RIDGE BUILDS OFF THE CALIFORNIA COAST PUSHING THE
STORM TRACK FURTHER NORTH. THE NEXT STORM WILL HEAD FOR THE
PACIFIC NORTHWEST BUT THE SOUTHERN END OF THE SYSTEM WILL BRING A
CHANCE OF LIGHT RAIN TO THE AREA FRIDAY.

THE RIDGE BECOMES MORE ESTABLISHED SATURDAY AND WILL THROUGH
EARLY NEXT WEEK BRINGING DRY CONDITIONS TO THE AREA.

&&

.AVIATION...AS OF 9:50 PM PST MONDAY...FOR 06Z TAFS. NUMEROUS
SHOWERS CONTINUE AT THIS HOUR. THESE SHOWERS ARE PROPAGATING
INLAND ACROSS AREA TERMINALS AND EXPECTED TO CONTINUE THROUGH LATE
TONIGHT. HAVE MAINTAINED LIGHT RAIN SHOWERS IN THE FORECAST
THROUGH THE NEXT FEW HOURS WITH VICINITY SHOWERS THROUGH THE
OVERNIGHT HOURS. SOUTHEAST WINDS WILL PERSIST THROUGH THE FORECAST
PERIOD AS YET ANOTHER COLD FRONT APPROACHES THE REGION. ANTICIPATE
WET AND UNSETTLED WEATHER TO CONTINUE THROUGH TONIGHT WITH THE
NEXT FRONTAL BOUNDARY TO ARRIVE IN THE BAY AREA BETWEEN 19-21Z
TUESDAY WITH ANOTHER ROUND OF STEADY FRONTAL RAINS.

VICINITY OF KSFO...LIGHT RAIN WILL CONTINUE THROUGH THIS EVENING
THEN WILL TURN TO VICINITY SHOWERS OVERNIGHT. SOUTHEAST WINDS
WILL PERSIST THROUGH THE PERIOD AS THE NEXT FRONTAL BOUNDARY RIDES
IN ON THE HEELS OF THE CURRENT SYSTEM. WET RUNWAYS EXPECTED
THROUGH MUCH OF THE PERIOD. THE NEXT FRONT WILL ARRIVE AROUND 20Z
TUESDAY MORNING.

KSFO BRIDGE APPROACH...SIMILAR TO KSFO.

MONTEREY BAY AREA TERMINALS...LIGHT RAIN WILL CONTINUE THROUGH
THIS EVENING THEN WILL TURN TO VICINITY SHOWERS OVERNIGHT.
SOUTHEAST WINDS WILL PERSIST THROUGH THE PERIOD AS THE NEXT
FRONTAL BOUNDARY RIDES IN ON THE HEELS OF THE CURRENT SYSTEM.
WET RUNWAYS EXPECTED THROUGH MUCH OF THE PERIOD. THE NEXT FRONT
WILL ARRIVE AROUND 21Z TUESDAY MORNING.

&&

.MARINE...AS OF 2:34 PM PST MONDAY...SHOWERS WILL LINGER TONIGHT
ACROSS THE WATERS WITH LIGHTER WINDS BEHIND TODAYS FRONTAL
PASSAGE. ON TUESDAY ANOTHER FRONT WILL QUICKLY APPROACH WITH
INCREASING SOUTHEAST WINDS AND BUILDING SEAS. RAIN AND ISOLATED
THUNDERSTORMS WILL ACCOMPANY THE FRONT TUESDAY AFTERNOON AND
EVENING. WINDS TILL TURN NW BEHIND THE FRONT TUESDAY NIGHT INTO
WEDS WITH LARGE NW SWELLS. SHOWERS WILL CONTINUE ON WEDNESDAY AS
ANOTHER SYSTEM PASSES THROUGH BUT WITH NW WINDS CONTINUING.
ANOTHER WEAK FRONT WILL PASS THROUGH THE WATERS FRIDAY THEN NW
SEAS WILL BUILD THIS WEEKEND AS HIGH PRESSURE RETURNS.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
     .TNGT...SCA...ROUGH BAR ADVISORY FOR SF BAR

&&

PUBLIC FORECAST: W PI
AVIATION: CW
MARINE: RWW

VISIT US AT WEATHER.GOV/SANFRANCISCO

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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
453 AM PST MON DEC 15 2014

CAZ006-505>513-516-518-528>530-160200-
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 DIABLO RANGE-
SANTA CRUZ MOUNTAINS-SANTA CLARA VALLEY...INCLUDING SAN JOSE-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL PARK-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST-
453 AM PST MON DEC 15 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE SAN FRANCISCO BAY AREA
AND MONTEREY BAY AREA.

.DAY ONE...MONDAY AND MONDAY NIGHT

PERIODS OF RAIN WILL CONTINUE THIS MORNING BEFORE TURNING TO
SHOWERS LATER THIS AFTERNOON AND EVENING. RAINFALL WILL BE
MODERATE AT TIMES AND LIKELY CAUSE SOME NUISANCE FLOODING NEAR
CLOGGED DRAINS AND LOW LYING AREAS. HEAVIER RAIN IS LIKELY IN THE
HILLS INCLUDING THE SANTA CRUZ MOUNTAINS WHERE MINOR RISES ON
STREAMS IS LIKELY. SOUTHERLY WINDS UP TO 35 MPH WILL BRING DOWN
SMALL BRANCHES AND ANY WEAKENED TREES.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SHOWERS ON TUESDAY MORNING WILL TURN TO STEADY RAIN BY TUESDAY
AFTERNOON AS THE NEXT WEATHER SYSTEM MOVES ONSHORE WITH ANOTHER
ROUND OF LIGHT TO MODERATE RAINFALL. RAIN WILL QUICKLY TURN TO
SHOWERS BY TUESDAY NIGHT BUT MORE SHOWERS WILL LINGER INTO
WEDNESDAY AS A COLD UPPER LOW PASSES OVER THE BAY AREA. DRY
WEATHER ON THURSDAY UNDER HIGH PRESSURE THEN ANOTHER CHANCE OF
RAIN BY FRIDAY BEFORE DRY WEATHER RETURNS OVER THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS PER STANDARD OPERATING PROCEDURES.

CAZ517-160200-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
453 AM PST MON DEC 15 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE BIG SUR REGION OF COASTAL
MONTEREY COUNTY INCLUDING HIGHWAY 1 SOUTH OF CARMEL.

.DAY ONE...MONDAY AND MONDAY NIGHT

THERE IS A FLASH FLOOD WATCH IN EFFECT UNTIL 6 PM FOR THE HILLS
ABOVE BIG SUR. PLEASE SEE SFOFFAMTR OR WGUS66 KMTR FOR FURTHER
DETAILS.

RAIN WILL DEVELOP THIS MORNING...BECOMING HEAVY AT TIMES THROUGH
THE DAY. RAINFALL OF 2-4 INCHES IN THE HILLS WITH 1-2 INCHES ALONG
THE COAST. RAIN WILL GRADUALLY TURN TO SHOWERS BY TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SHOWERS ON TUESDAY MORNING WILL TURN TO STEADY RAIN BY LATE TUESDAY
AFTERNOON AS THE NEXT WEATHER SYSTEM MOVES ONSHORE WITH ANOTHER
ROUND OF LIGHT TO MODERATE RAINFALL. RAIN WILL QUICKLY TURN TO
SHOWERS LATE TUESDAY NIGHT BUT MORE SHOWERS WILL LINGER INTO
WEDNESDAY AS A COLD UPPER LOW PASSES OVER THE REGION. DRY WEATHER ON
THURSDAY UNDER HIGH PRESSURE THEN ANOTHER CHANCE OF RAIN BY FRIDAY
BEFORE DRY WEATHER RETURNS OVER THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS PER STANDARD OPERATING PROCEDURES.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
507 PM PST MON DEC 15 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0430 PM     FLOOD            4 SE SALINAS            36.65N 121.58W
12/15/2014                   MONTEREY           CA   BROADCAST MEDIA

            FLOODED ROADWAY ALISAL ROAD NEAR HARTNELL ROAD. ONE CAR
            SUBMERGED.

&&

ACROSS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
512 PM PST MON DEC 15 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0430 PM     NON-TSTM WND DMG 1 NW BOULDER CREEK      37.15N 122.14W
12/15/2014                   SANTA CRUZ         CA   BROADCAST MEDIA

            REDWOOD TREE FELL CRUSHING FIVE CARS

&&

ACROSS