Alert archive / California / Flash Flood Watches in 2017

Flash Flood Watch 2, NWS San Francisco Bay Area, CA

January 6, 201710 counties in California

NWS San Francisco Bay Area, CA issued this flash flood watch at Jan 6, 2017, 3:26 AM PST for 10 counties in California. It took effect at Jan 7, 2017, 4:00 PM PST. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Jan 6, 2017, 3:26 AM PST (11:26 UTC)
In effect from
Jan 7, 2017, 4:00 PM PST
Expired
Jan 9, 2017, 4:00 AM PST
In force
36 hr
Issued by
NWS San Francisco Bay Area, CA
Flood severity
None

Counties Alameda County, CA, City and County of San Francisco, CA, Contra Costa County, CA, Marin County, CA, Monterey County, CA, Napa County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 59 km from the middle of the area, began a volume at 11:29 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 00:00Z, 11.4 hours before the alert went out and 11 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.

Skew-T log-pSkew-T log-p diagram, Oakland, CA at 00:00Z on 2017-01-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 00:00Z on 2017-01-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -95 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1584 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-95 m²/s²
0-3 km storm-relative helicity
-28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

368 
WGUS66 KMTR 061126
FFAMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
326 AM PST FRI JAN 6 2017

...FLASH FLOOD WATCH ISSUED FOR THE NORTH BAY...SANTA CRUZ
MOUNTAINS AND MONTEREY COASTAL HILLS...

.A VERY WET PATTERN WILL DEVELOP THIS WEEKEND. RAIN WILL START
SATURDAY AND BECOME HEAVY SATURDAY NIGHT THROUGH SUNDAY NIGHT.
HEAVY RAIN ON ALREADY SATURATED SOILS WILL LIKELY LEAD TO FLASH
FLOODING OF AREA STREAMS AND RIVERS.

CAZ506-507-062200-
/O.NEW.KMTR.FF.A.0002.170108T0000Z-170109T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...SANTA ROSA...SOUTH SANTA ROSA...NAPA...
SAN RAFAEL...PETALUMA...NOVATO...ROHNERT PARK...ANGWIN...
LAGUNITAS-FOREST KNOLLS...WOODACRE
326 AM PST FRI JAN 6 2017

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A

* FLASH FLOOD WATCH FOR A PORTION OF NORTHERN CALIFORNIA...
  INCLUDING THE FOLLOWING AREAS...NORTH BAY INTERIOR VALLEYS AND
  NORTH BAY MOUNTAINS.

* FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING

* HEAVY RAIN WILL FALL SATURDAY THROUGH SUNDAY EVENING

* STREAMS AND RIVERS IN THE NORTH BAY WILL LIKELY SEE RAPID RISES
  AND EXCEED BANKFULL THIS WEEKEND.

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.

&&

$$

CAZ512-062200-
/O.NEW.KMTR.FF.A.0002.170108T0000Z-170109T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA CRUZ MOUNTAINS-
INCLUDING THE CITIES OF...SCOTTS VALLEY...BOULDER CREEK...
DAY VALLEY
326 AM PST FRI JAN 6 2017

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A

* FLASH FLOOD WATCH FOR A PORTION OF NORTHERN CALIFORNIA...
  INCLUDING THE FOLLOWING AREA...SANTA CRUZ MOUNTAINS.

* FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING

* VERY HEAVY RAIN WILL FALL THIS WEEKEND WITH RAINFALL TOTALS ON
  THE ORDER OF 6 TO 10 INCHES FOR THE SANTA CRUZ MOUNTAINS

* AREA RIVERS AND STREAMS WILL SEE RAPID RISES AND LIKELY EXCEED
  THEIR BANKS THIS WEEKEND WITH FLASH FLOOD WARNINGS LIKELY BEING
  ISSUED SHOULD THE FORECAST RAINS DEVELOP AS EXPECTED. IN
  ADDITION RECENT BURN SCARS WILL BE SUSCEPTIBLE AS WELL.

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.

&&

$$

CAZ517-062200-
/O.NEW.KMTR.FF.A.0002.170108T0000Z-170109T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
326 AM PST FRI JAN 6 2017

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

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A

* FLASH FLOOD WATCH FOR A PORTION OF NORTHERN CALIFORNIA...
  INCLUDING THE FOLLOWING AREA...SANTA LUCIA MOUNTAINS AND LOS
  PADRES NATIONAL FOREST.

* FROM SATURDAY AFTERNOON THROUGH LATE SUNDAY NIGHT

* VERY HEAVY RAIN ON THE ORDER OF 6 TO 10 INCHES OVER THE
  SOBERANES BURN SCAR AND MUCH OF THE VENTANA WILDERNESS.

* HEAVY RAIN OVER THE SOBERANES FIRE BURN SCAR WILL LIKELY LEAD TO
  FLOODING AND DEBRIS FLOWS.

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.

&&

$$
9 follow-up statements
944 
WGUS66 KMTR 061819
FFAMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1019 AM PST FRI JAN 6 2017

...FLASH FLOOD WATCH ISSUED FOR THE NORTH BAY...SAN FRANCISCO BAY
SHORELINE...SAN FRANCISCO PENINSULA COAST...SANTA CLARA VALLEY...
...SANTA CRUZ MOUNTAINS...NORTHERN MONTEREY BAY AND MONTEREY
COASTAL HILLS...

.A VERY WET PATTERN WILL DEVELOP THIS WEEKEND. RAIN WILL START
SATURDAY AND BECOME HEAVY SATURDAY NIGHT THROUGH SUNDAY NIGHT.
HEAVY RAIN ON ALREADY SATURATED SOILS WILL LIKELY LEAD TO FLASH
FLOODING OF AREA STREAMS AND RIVERS.

CAZ505-070500-
/O.EXA.KMTR.FF.A.0002.170108T0000Z-170109T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
INCLUDING THE CITIES OF...TAMALPAIS-HOMESTEAD...SAUSALITO
1019 AM PST FRI JAN 6 2017

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE A PORTION OF WESTERN CALIFORNIA...
   INCLUDING THE FOLLOWING AREA...COASTAL NORTH BAY INCLUDING 
  POINT REYES NATIONAL SEASHORE. 

* FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING

* HEAVY RAIN WILL FALL SATURDAY THROUGH SUNDAY EVENING

* STREAMS AND RIVERS IN THE NORTH BAY WILL LIKELY SEE RAPID 
  RISES AND EXCEED BANKFULL THIS WEEKEND. 

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.

&&

$$

CAZ508-509-513-529-070500-
/O.EXA.KMTR.FF.A.0002.170108T0000Z-170109T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN FRANCISCO BAY SHORELINE-SAN FRANCISCO PENINSULA COAST-
SANTA CLARA VALLEY INCLUDING SAN JOSE-NORTHERN MONTEREY BAY-
INCLUDING THE CITIES OF...OAKLAND...FREMONT...HAYWARD...
DALY CITY...BERKELEY...PACIFICA...SAN JOSE...SANTA CRUZ...
WATSONVILLE...LIVE OAK
1019 AM PST FRI JAN 6 2017

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE A PORTION OF WESTERN CALIFORNIA...INCLUDING
  THE FOLLOWING AREAS...NORTHERN MONTEREY BAY...SAN FRANCISCO BAY
  SHORELINE...SAN FRANCISCO PENINSULA COAST AND SANTA CLARA VALLEY
  INCLUDING SAN JOSE.

* FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING

* VERY HEAVY RAIN WILL FALL THIS WEEKEND WITH RAINFALL TOTALS ON 
  THE ORDER OF 6 TO 10 INCHES FOR THE SANTA CRUZ MOUNTAINS 

* AREA RIVERS AND STREAMS WILL SEE RAPID RISES AND LIKELY EXCEED 
  THEIR BANKS THIS WEEKEND WITH FLASH FLOOD WARNINGS LIKELY 
  BEING ISSUED SHOULD THE FORECAST RAINS DEVELOP AS EXPECTED. IN 
  ADDITION RECENT BURN SCARS WILL BE SUSCEPTIBLE AS WELL. 

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.

&&

$$

CAZ506-507-070500-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...SANTA ROSA...SOUTH SANTA ROSA...NAPA...
SAN RAFAEL...PETALUMA...NOVATO...ROHNERT PARK...ANGWIN...
LAGUNITAS-FOREST KNOLLS...WOODACRE
1019 AM PST FRI JAN 6 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...NORTH BAY INTERIOR VALLEYS AND NORTH BAY MOUNTAINS. 

* FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING

* HEAVY RAIN WILL FALL SATURDAY THROUGH SUNDAY EVENING

* STREAMS AND RIVERS IN THE NORTH BAY WILL LIKELY SEE RAPID 
  RISES AND EXCEED BANKFULL THIS WEEKEND. 

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.

&&

$$

CAZ512-070500-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA CRUZ MOUNTAINS-
INCLUDING THE CITIES OF...SCOTTS VALLEY...BOULDER CREEK...
DAY VALLEY
1019 AM PST FRI JAN 6 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREA...SANTA CRUZ MOUNTAINS. 

* FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING

* VERY HEAVY RAIN WILL FALL THIS WEEKEND WITH RAINFALL TOTALS ON 
  THE ORDER OF 6 TO 12 INCHES FOR THE SANTA CRUZ MOUNTAINS 

* AREA RIVERS AND STREAMS WILL SEE RAPID RISES AND LIKELY EXCEED 
  THEIR BANKS THIS WEEKEND WITH FLASH FLOOD WARNINGS LIKELY 
  BEING ISSUED SHOULD THE FORECAST RAINS DEVELOP AS EXPECTED. IN 
  ADDITION RECENT BURN SCARS WILL BE SUSCEPTIBLE AS WELL. 

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.

&&

$$

CAZ517-070500-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
1019 AM PST FRI JAN 6 2017

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

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREA...SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST. 

* FROM SATURDAY AFTERNOON THROUGH LATE SUNDAY NIGHT

* VERY HEAVY RAIN ON THE ORDER OF 6 TO 11 INCHES OVER THE 
  SOBERANES BURN SCAR AND MUCH OF THE VENTANA WILDERNESS. 

* HEAVY RAIN OVER THE SOBERANES FIRE BURN SCAR WILL LIKELY LEAD 
  TO FLOODING AND DEBRIS FLOWS. 

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.

&&

$$
094 
WGUS66 KMTR 070730
FFAMTR

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1130 PM PST FRI JAN 6 2017

...FLASH FLOOD WATCH ISSUED FOR THE NORTH BAY...SAN FRANCISCO BAY
SHORELINE...SAN FRANCISCO PENINSULA COAST...SANTA CLARA VALLEY...
...SANTA CRUZ MOUNTAINS...NORTHERN MONTEREY BAY AND MONTEREY
COASTAL HILLS...

.A VERY WET PATTERN WILL DEVELOP THIS WEEKEND. RAIN WILL START
SATURDAY AND BECOME HEAVY SATURDAY NIGHT THROUGH SUNDAY NIGHT.
HEAVY RAIN ON ALREADY SATURATED SOILS WILL LIKELY LEAD TO FLASH
FLOODING OF AREA STREAMS AND RIVERS.

CAZ505>507-071530-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...TAMALPAIS-HOMESTEAD...SAUSALITO...
SANTA ROSA...SOUTH SANTA ROSA...NAPA...SAN RAFAEL...PETALUMA...
NOVATO...ROHNERT PARK...ANGWIN...LAGUNITAS-FOREST KNOLLS...
WOODACRE
1130 PM PST FRI JAN 6 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHERN CALIFORNIA...INCLUDING THE FOLLOWING
  AREAS...COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL
  SEASHORE...NORTH BAY INTERIOR VALLEYS AND NORTH BAY MOUNTAINS.

* FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING

* HEAVY RAIN WILL FALL SATURDAY THROUGH SUNDAY EVENING

* STREAMS AND RIVERS IN THE NORTH BAY WILL LIKELY SEE RAPID 
  RISES AND EXCEED BANKFULL THIS WEEKEND. 

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.

&&

$$

CAZ508-509-512-513-529-071530-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN FRANCISCO BAY SHORELINE-SAN FRANCISCO PENINSULA COAST-
SANTA CRUZ MOUNTAINS-SANTA CLARA VALLEY INCLUDING SAN JOSE-
NORTHERN MONTEREY BAY-
INCLUDING THE CITIES OF...OAKLAND...FREMONT...HAYWARD...
DALY CITY...BERKELEY...PACIFICA...SCOTTS VALLEY...BOULDER CREEK...
DAY VALLEY...SAN JOSE...SANTA CRUZ...WATSONVILLE...LIVE OAK
1130 PM PST FRI JAN 6 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHERN CALIFORNIA...INCLUDING THE FOLLOWING
  AREAS...NORTHERN MONTEREY BAY...SAN FRANCISCO BAY SHORELINE...
  SAN FRANCISCO PENINSULA COAST...SANTA CLARA VALLEY INCLUDING SAN
  JOSE AND SANTA CRUZ MOUNTAINS.

* FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING

* VERY HEAVY RAIN WILL FALL THIS WEEKEND WITH RAINFALL TOTALS ON 
  THE ORDER OF 6 TO 10 INCHES FOR THE SANTA CRUZ MOUNTAINS 

* AREA RIVERS AND STREAMS WILL SEE RAPID RISES AND LIKELY EXCEED 
  THEIR BANKS THIS WEEKEND WITH FLASH FLOOD WARNINGS LIKELY 
  BEING ISSUED SHOULD THE FORECAST RAINS DEVELOP AS EXPECTED. IN 
  ADDITION RECENT BURN SCARS WILL BE SUSCEPTIBLE AS WELL. 

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.

&&

$$

CAZ517-071530-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
1130 PM PST FRI JAN 6 2017

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

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHERN CALIFORNIA...INCLUDING THE FOLLOWING
  AREA...SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST.

* FROM SATURDAY AFTERNOON THROUGH LATE SUNDAY NIGHT

* VERY HEAVY RAIN ON THE ORDER OF 6 TO 11 INCHES OVER THE 
  SOBERANES BURN SCAR AND MUCH OF THE VENTANA WILDERNESS. 

* HEAVY RAIN OVER THE SOBERANES FIRE BURN SCAR WILL LIKELY LEAD 
  TO FLOODING AND DEBRIS FLOWS. 

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.

&&

$$
829 
WGUS66 KMTR 071200
FFAMTR

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
400 AM PST SAT JAN 7 2017

...FLASH FLOOD WATCH ISSUED FOR THE NORTH BAY...SAN FRANCISCO BAY
SHORELINE...SAN FRANCISCO PENINSULA COAST...SANTA CLARA VALLEY...
...SANTA CRUZ MOUNTAINS...NORTHERN MONTEREY BAY AND MONTEREY
COASTAL HILLS...

.A VERY WET PATTERN WILL DEVELOP THIS WEEKEND. RAIN WILL CONTINUE 
SATURDAY AND BECOME HEAVY SATURDAY NIGHT THROUGH SUNDAY NIGHT.
HEAVY RAIN ON ALREADY SATURATED SOILS WILL LIKELY LEAD TO FLASH
FLOODING OF AREA STREAMS AND RIVERS.

CAZ505>507-072330-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...TAMALPAIS-HOMESTEAD...SAUSALITO...
SANTA ROSA...SOUTH SANTA ROSA...NAPA...SAN RAFAEL...PETALUMA...
NOVATO...ROHNERT PARK...ANGWIN...LAGUNITAS-FOREST KNOLLS...
WOODACRE
400 AM PST SAT JAN 7 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THIS AFTERNOON
THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHERN CALIFORNIA...INCLUDING THE FOLLOWING
  AREAS...COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL
  SEASHORE...NORTH BAY INTERIOR VALLEYS AND NORTH BAY MOUNTAINS.

* FROM THIS AFTERNOON THROUGH SUNDAY EVENING

* HEAVY RAIN WILL FALL SATURDAY THROUGH SUNDAY EVENING

* STREAMS AND RIVERS IN THE NORTH BAY WILL LIKELY SEE RAPID 
  RISES AND EXCEED BANKFULL THIS WEEKEND. 

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.

&&

$$

CAZ508-509-512-513-529-072330-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN FRANCISCO BAY SHORELINE-SAN FRANCISCO PENINSULA COAST-
SANTA CRUZ MOUNTAINS-SANTA CLARA VALLEY INCLUDING SAN JOSE-
NORTHERN MONTEREY BAY-
INCLUDING THE CITIES OF...OAKLAND...FREMONT...HAYWARD...
DALY CITY...BERKELEY...PACIFICA...SCOTTS VALLEY...BOULDER CREEK...
DAY VALLEY...SAN JOSE...SANTA CRUZ...WATSONVILLE...LIVE OAK
400 AM PST SAT JAN 7 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THIS AFTERNOON
THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHERN CALIFORNIA...INCLUDING THE FOLLOWING
  AREAS...NORTHERN MONTEREY BAY...SAN FRANCISCO BAY SHORELINE...
  SAN FRANCISCO PENINSULA COAST...SANTA CLARA VALLEY INCLUDING SAN
  JOSE AND SANTA CRUZ MOUNTAINS.

* FROM THIS AFTERNOON THROUGH SUNDAY EVENING

* VERY HEAVY RAIN WILL FALL THIS WEEKEND WITH RAINFALL TOTALS ON 
  THE ORDER OF 6 TO 10 INCHES FOR THE SANTA CRUZ MOUNTAINS 

* AREA RIVERS AND STREAMS WILL SEE RAPID RISES AND LIKELY EXCEED 
  THEIR BANKS THIS WEEKEND WITH FLASH FLOOD WARNINGS LIKELY 
  BEING ISSUED SHOULD THE FORECAST RAINS DEVELOP AS EXPECTED. IN 
  ADDITION RECENT BURN SCARS WILL BE SUSCEPTIBLE AS WELL. 

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.

&&

$$

CAZ517-072330-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
400 AM PST SAT JAN 7 2017

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

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHERN CALIFORNIA...INCLUDING THE FOLLOWING
  AREA...SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST.

* FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT

* VERY HEAVY RAIN ON THE ORDER OF 6 TO 11 INCHES OVER THE 
  SOBERANES BURN SCAR AND MUCH OF THE VENTANA WILDERNESS. 

* HEAVY RAIN OVER THE SOBERANES FIRE BURN SCAR WILL LIKELY LEAD 
  TO FLOODING AND DEBRIS FLOWS. 

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.

&&

$$
476 
WGUS66 KMTR 071819
FFAMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1019 AM PST SAT JAN 7 2017

...FLASH FLOOD WATCH ISSUED FOR THE NORTH BAY...SAN FRANCISCO...
SAN FRANCISCO BAY SHORELINE...SAN FRANCISCO PENINSULA
COAST...SANTA CLARA VALLEY...SANTA CRUZ MOUNTAINS...NORTHERN
MONTEREY BAY AND MONTEREY COASTAL HILLS...SOUTHERN MONTEREY BAY
AND THE BIG SUR COAST...

.A VERY WET PATTERN WILL DEVELOP THIS WEEKEND. RAIN WILL CONTINUE
SATURDAY AND BECOME HEAVY SATURDAY NIGHT THROUGH SUNDAY NIGHT.
HEAVY RAIN ON ALREADY SATURATED SOILS WILL LIKELY LEAD TO FLASH
FLOODING OF AREA STREAMS AND RIVERS.

CAZ006-080500-
/O.EXA.KMTR.FF.A.0002.170108T0000Z-170109T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN FRANCISCO-
INCLUDING THE CITY OF...SAN FRANCISCO
1019 AM PST SAT JAN 7 2017

...FLASH FLOOD WATCH IN EFFECT FROM 4 PM PST THIS AFTERNOON
THROUGH SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE SAN FRANCISCO.

* FROM 4 PM PST THIS AFTERNOON THROUGH SUNDAY EVENING

* VERY HEAVY RAIN WILL FALL THIS WEEKEND WITH RAINFALL TOTALS ON
  THE ORDER OF 2 TO 4 INCHES FOR THE CITY OF SAN FRANCISCO
  POSSIBLE. 

* EXCESSIVE RAIN RATES COULD CAUSE FLASH FLOODING ACROSS THE CITY
  DUE TO RUNOFF FROM STORM DRAINS BECOMING OVERWHELMED.

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.

&&

$$

CAZ530-080500-
/O.EXA.KMTR.FF.A.0002.170108T0000Z-170109T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
INCLUDING THE CITIES OF...SEASIDE...MONTEREY...MARINA
1019 AM PST SAT JAN 7 2017

...FLASH FLOOD WATCH IN EFFECT FROM 4 PM PST THIS AFTERNOON
THROUGH LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE A PORTION OF WESTERN CALIFORNIA...
   INCLUDING THE FOLLOWING AREA...SOUTHERN MONTEREY BAY AND BIG 
  SUR COAST. 

* FROM 4 PM PST THIS AFTERNOON THROUGH LATE SUNDAY NIGHT

* VERY HEAVY RAIN ON THE ORDER OF 6 TO 11 INCHES OVER THE
  SOBERANES BURN SCAR AND MUCH OF THE VENTANA WILDERNESS. RUNOFF
  FROM THESE HEAVY RAINS WILL LIKELY CAUSE FLASH FLOODING ALONG
  THE BIG SUR COAST. 

* URBAN AREAS AROUND THE MONTEREY BAY ARE EXPECTED TO RECEIVE 2 TO
  4 INCHES OF RAIN WHICH MAY PRODUCE ISSUES DUE TO RUNOFF AND
  INUNDATED STORM DRAINS.

* HEAVY RAIN OVER THE SOBERANES FIRE BURN SCAR WILL LIKELY LEAD 
  TO FLOODING AND DEBRIS FLOWS. 

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.

&&

$$

CAZ505>507-080500-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...TAMALPAIS-HOMESTEAD...SAUSALITO...
SANTA ROSA...SOUTH SANTA ROSA...NAPA...SAN RAFAEL...PETALUMA...
NOVATO...ROHNERT PARK...ANGWIN...LAGUNITAS-FOREST KNOLLS...
WOODACRE
1019 AM PST SAT JAN 7 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM PST THIS
AFTERNOON THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL 
  SEASHORE...NORTH BAY INTERIOR VALLEYS AND NORTH BAY MOUNTAINS. 

* FROM 4 PM PST THIS AFTERNOON THROUGH SUNDAY EVENING

* HEAVY RAIN WILL FALL SATURDAY THROUGH SUNDAY EVENING. RAINFALL
  AMOUNTS FROM 2 TO 4 INCHES ARE POSSIBLE IN THE LOWER ELEVATIONS
  WITH UP TO 8 INCHES POSSIBLE IN THE HIGHER TERRAIN. 

* STREAMS AND RIVERS IN THE NORTH BAY WILL LIKELY SEE RAPID 
  RISES AND EXCEED BANKFULL THIS WEEKEND. 

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.

&&

$$

CAZ508-509-512-513-529-080500-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN FRANCISCO BAY SHORELINE-SAN FRANCISCO PENINSULA COAST-
SANTA CRUZ MOUNTAINS-SANTA CLARA VALLEY INCLUDING SAN JOSE-
NORTHERN MONTEREY BAY-
INCLUDING THE CITIES OF...OAKLAND...FREMONT...HAYWARD...
DALY CITY...BERKELEY...PACIFICA...SCOTTS VALLEY...BOULDER CREEK...
DAY VALLEY...SAN JOSE...SANTA CRUZ...WATSONVILLE...LIVE OAK
1019 AM PST SAT JAN 7 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM PST THIS
AFTERNOON THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...NORTHERN MONTEREY BAY...SAN FRANCISCO BAY SHORELINE... 
  SAN FRANCISCO PENINSULA COAST...SANTA CLARA VALLEY INCLUDING 
  SAN JOSE AND SANTA CRUZ MOUNTAINS. 

* FROM 4 PM PST THIS AFTERNOON THROUGH SUNDAY EVENING

* VERY HEAVY RAIN WILL FALL THIS WEEKEND WITH RAINFALL TOTALS ON 
  THE ORDER OF 6 TO 10 INCHES FOR THE SANTA CRUZ MOUNTAINS 

* AREA RIVERS AND STREAMS WILL SEE RAPID RISES AND LIKELY EXCEED 
  THEIR BANKS THIS WEEKEND WITH FLASH FLOOD WARNINGS LIKELY 
  BEING ISSUED SHOULD THE FORECAST RAINS DEVELOP AS EXPECTED. IN 
  ADDITION RECENT BURN SCARS WILL BE SUSCEPTIBLE AS WELL. 

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.

&&

$$

CAZ517-080500-
/O.CON.KMTR.FF.A.0002.170108T0000Z-170109T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
1019 AM PST SAT JAN 7 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM PST THIS
AFTERNOON THROUGH LATE SUNDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREA...SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST. 

* FROM 4 PM PST THIS AFTERNOON THROUGH LATE SUNDAY NIGHT

* VERY HEAVY RAIN ON THE ORDER OF 6 TO 11 INCHES OVER THE 
  SOBERANES BURN SCAR AND MUCH OF THE VENTANA WILDERNESS. 

* HEAVY RAIN OVER THE SOBERANES FIRE BURN SCAR WILL LIKELY LEAD 
  TO FLOODING AND DEBRIS FLOWS. 

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.

&&

$$
064 
WGUS66 KMTR 080610
FFAMTR

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1010 PM PST SAT JAN 7 2017

...FLASH FLOOD WATCH CONTINUES FOR THE ENTIRE NORTH BAY...SAN
FRANCISCO...SAN FRANCISCO BAY SHORELINE...SAN FRANCISCO PENINSULA
COAST...SANTA CLARA VALLEY...SANTA CRUZ MOUNTAINS...NORTHERN
MONTEREY BAY...SOUTHERN MONTEREY BAY AND THE BIG SUR COAST...AND
THE SANTA LUCIA MOUNTAINS...

.PERIODS OF HEAVY RAIN ARE EXPECTED SATURDAY NIGHT THROUGH SUNDAY.
HEAVY RAIN ON ALREADY SATURATED SOILS WILL LIKELY LEAD TO FLASH
FLOODING OF AREA STREAMS AND RIVERS AS WELL AS LOCAL URBAN AREAS.

CAZ505>507-081800-
/O.CON.KMTR.FF.A.0002.000000T0000Z-170109T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...TAMALPAIS-HOMESTEAD...SAUSALITO...
SANTA ROSA...SOUTH SANTA ROSA...NAPA...SAN RAFAEL...PETALUMA...
NOVATO...ROHNERT PARK...ANGWIN...LAGUNITAS-FOREST KNOLLS...
WOODACRE
1010 PM PST SAT JAN 7 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL 
  SEASHORE...NORTH BAY INTERIOR VALLEYS AND NORTH BAY MOUNTAINS. 

* THROUGH SUNDAY EVENING

* PERIODS OF HEAVY RAIN WILL FALL SATURDAY NIGHT THROUGH EARLY
  SUNDAY EVENING. RAINFALL AMOUNTS FROM 2 TO 4 INCHES ARE POSSIBLE
  AT LOWER ELEVATIONS WITH UP TO 8 INCHES POSSIBLE ACROSS THE
  HIGHER TERRAIN.

* STREAMS AND RIVERS IN THE NORTH BAY WILL LIKELY SEE RAPID 
  RISES AND EXCEED BANKFULL THIS WEEKEND. 

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.

&&

$$

CAZ006-508-509-512-513-529-081800-
/O.CON.KMTR.FF.A.0002.000000T0000Z-170109T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN FRANCISCO-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-SANTA CRUZ MOUNTAINS-
SANTA CLARA VALLEY INCLUDING SAN JOSE-NORTHERN MONTEREY BAY-
INCLUDING THE CITIES OF...SAN FRANCISCO...OAKLAND...FREMONT...
HAYWARD...DALY CITY...BERKELEY...PACIFICA...SCOTTS VALLEY...
BOULDER CREEK...DAY VALLEY...SAN JOSE...SANTA CRUZ...
WATSONVILLE...LIVE OAK
1010 PM PST SAT JAN 7 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...NORTHERN MONTEREY BAY...SAN FRANCISCO...SAN FRANCISCO 
  BAY SHORELINE...SAN FRANCISCO PENINSULA COAST...SANTA CLARA 
  VALLEY INCLUDING SAN JOSE AND SANTA CRUZ MOUNTAINS. 

* THROUGH SUNDAY EVENING

* PERIODS OF HEAVY RAIN WILL FALL SATURDAY NIGHT AND SUNDAY.
  RAINFALL AMOUNTS FROM 2 TO 4 INCHES ARE POSSIBLE AT LOWER
  ELEVATIONS WITH 4 TO 8 INCHES ACROSS HIGHER TERRAIN AND LOCALLY
  UP TO 10 INCHES IN THE SANTA CRUZ MOUNTAINS.

* AREA RIVERS AND STREAMS WILL SEE RAPID RISES AND LIKELY EXCEED
  THEIR BANKS LATE SATURDAY NIGHT AND SUNDAY. FLASH FLOOD WARNINGS
  WILL LIKELY BE ISSUED SHOULD THE HEAVY RAINS DEVELOP AS
  EXPECTED. IN ADDITION...RECENT BURN SCARS WILL BE SUSCEPTIBLE TO
  DEBRIS FLOWS.

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.

&&

$$

CAZ517-530-081800-
/O.CON.KMTR.FF.A.0002.000000T0000Z-170109T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
INCLUDING THE CITIES OF...SEASIDE...MONTEREY...MARINA
1010 PM PST SAT JAN 7 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SUNDAY
NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST 
  AND SOUTHERN MONTEREY BAY AND BIG SUR COAST. 

* THROUGH LATE SUNDAY NIGHT

* PERIODS OF HEAVY RAIN WILL FALL FROM SATURDAY NIGHT THROUGH
  SUNDAY EVENING. RAINFALL AMOUNTS FROM 2 TO 4 INCHES ARE
  POSSIBLE AT LOWER ELEVATIONS WITH 4 TO 8 INCHES ACROSS HIGHER
  TERRAIN AND LOCALLY UP TO 10 INCHES IN THE SANTA LUCIA
  MOUNTAINS.

* HEAVY RAIN OVER THE SOBERANES FIRE BURN SCAR WILL LIKELY LEAD 
  TO FLOODING AND DEBRIS FLOWS. 

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.

&&

$$
153 
WGUS66 KMTR 082341
FFAMTR

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
341 PM PST SUN JAN 8 2017

...FLASH FLOOD WATCH CONTINUES FOR THE ENTIRE NORTH BAY...SAN
FRANCISCO...SAN FRANCISCO BAY SHORELINE...SAN FRANCISCO PENINSULA
COAST...SANTA CLARA VALLEY...SANTA CRUZ MOUNTAINS...NORTHERN
MONTEREY BAY...SOUTHERN MONTEREY BAY AND THE BIG SUR COAST...AND
THE SANTA LUCIA MOUNTAINS...

.WHILE PRECIPITATION IS FORECAST TO DIMINISH IN COVERAGE AND
INTENSITY THROUGH TONIGHT...PERIODS OF LOCALLY HEAVY RAINFALL
WILL BE POSSIBLE THROUGH THIS EVENING. HEAVY RAIN ON ALREADY
SATURATED SOILS WILL LIKELY LEAD TO FLASH FLOODING OF AREA STREAMS
AND RIVERS AS WELL AS LOCAL URBAN AREAS.

CAZ505>507-090300-
/O.CON.KMTR.FF.A.0002.000000T0000Z-170109T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...TAMALPAIS-HOMESTEAD...SAUSALITO...
SANTA ROSA...SOUTH SANTA ROSA...NAPA...SAN RAFAEL...PETALUMA...
NOVATO...ROHNERT PARK...ANGWIN...LAGUNITAS-FOREST KNOLLS...
WOODACRE
341 PM PST SUN JAN 8 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM PST THIS
EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL 
  SEASHORE...NORTH BAY INTERIOR VALLEYS AND NORTH BAY MOUNTAINS. 

* UNTIL 7 PM PST THIS EVENING

* PERIODS OF HEAVY RAINFALL WILL REMAIN POSSIBLE THROUGH THIS
  EVENING.

* STREAMS AND RIVERS IN THE NORTH BAY WILL LIKELY SEE RAPID 
  RISES AND EXCEED BANKFULL THIS WEEKEND. 

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.

&&

$$

CAZ006-508-509-512-513-529-090300-
/O.CON.KMTR.FF.A.0002.000000T0000Z-170109T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN FRANCISCO-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-SANTA CRUZ MOUNTAINS-
SANTA CLARA VALLEY INCLUDING SAN JOSE-NORTHERN MONTEREY BAY-
INCLUDING THE CITIES OF...SAN FRANCISCO...OAKLAND...FREMONT...
HAYWARD...DALY CITY...BERKELEY...PACIFICA...SCOTTS VALLEY...
BOULDER CREEK...DAY VALLEY...SAN JOSE...SANTA CRUZ...
WATSONVILLE...LIVE OAK
341 PM PST SUN JAN 8 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM PST THIS
EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...NORTHERN MONTEREY BAY...SAN FRANCISCO...SAN FRANCISCO 
  BAY SHORELINE...SAN FRANCISCO PENINSULA COAST...SANTA CLARA 
  VALLEY INCLUDING SAN JOSE AND SANTA CRUZ MOUNTAINS. 

* UNTIL 11 PM PST THIS EVENING

* PERIODS OF HEAVY RAINFALL WILL REMAIN POSSIBLE THROUGH TONIGHT.

* AREA RIVERS AND STREAMS WILL SEE RAPID RISES AND LIKELY EXCEED 
  THEIR BANKS LATE SATURDAY NIGHT AND SUNDAY. FLASH FLOOD 
  WARNINGS WILL LIKELY BE ISSUED SHOULD THE HEAVY RAINS DEVELOP 
  AS EXPECTED. IN ADDITION...RECENT BURN SCARS WILL BE 
  SUSCEPTIBLE TO DEBRIS FLOWS. 

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.

&&

$$

CAZ517-530-090300-
/O.CON.KMTR.FF.A.0002.000000T0000Z-170109T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
INCLUDING THE CITIES OF...SEASIDE...MONTEREY...MARINA
341 PM PST SUN JAN 8 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST 
  AND SOUTHERN MONTEREY BAY AND BIG SUR COAST. 

* THROUGH LATE TONIGHT

* PERIODS OF HEAVY RAINFALL WILL REMAIN POSSIBLE THROUGH LATE
  TONIGHT.

* HEAVY RAIN OVER THE SOBERANES FIRE BURN SCAR WILL LIKELY LEAD 
  TO FLOODING AND DEBRIS FLOWS. 

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.

&&

$$
294 
WGUS66 KMTR 090314
FFAMTR

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
714 PM PST SUN JAN 8 2017

...FLASH FLOOD WATCH CONTINUES FOR THE ENTIRE NORTH BAY...SAN
FRANCISCO...SAN FRANCISCO BAY SHORELINE...SAN FRANCISCO PENINSULA
COAST...SANTA CLARA VALLEY...SANTA CRUZ MOUNTAINS...NORTHERN
MONTEREY BAY...SOUTHERN MONTEREY BAY AND THE BIG SUR COAST...AND
THE SANTA LUCIA MOUNTAINS...

.WHILE PRECIPITATION IS FORECAST TO DIMINISH IN COVERAGE AND
INTENSITY THROUGH TONIGHT...PERIODS OF MODERATE TO LOCALLY HEAVY
RAINFALL WILL BE POSSIBLE THROUGH THIS EVENING. HEAVY RAIN ON
ALREADY SATURATED SOILS WILL LIKELY LEAD TO FLASH FLOODING OF AREA
STREAMS AND RIVERS AS WELL AS LOCAL URBAN AREAS.

CAZ505>507-090415-
/O.EXP.KMTR.FF.A.0002.000000T0000Z-170109T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...TAMALPAIS-HOMESTEAD...SAUSALITO...
SANTA ROSA...SOUTH SANTA ROSA...NAPA...SAN RAFAEL...PETALUMA...
NOVATO...ROHNERT PARK...ANGWIN...LAGUNITAS-FOREST KNOLLS...
WOODACRE
714 PM PST SUN JAN 8 2017

...FLASH FLOOD WATCH HAS EXPIRED...

THE FLASH FLOOD WATCH FOR THE NORTH BAY HAS BEEN ALLOWED TO
EXPIRE. WHILE MANY STREAMS, CREEKS AND MAIN STEM RIVERS REMAIN AT
FLOOD LEVELS, THE THREAT FOR FLASH FLOODING HAS ENDED AS
PRECIPITATION DIMINISHES OVER THE REGION. 

$$

CAZ006-508-509-512-513-529-090700-
/O.CON.KMTR.FF.A.0002.000000T0000Z-170109T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN FRANCISCO-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-SANTA CRUZ MOUNTAINS-
SANTA CLARA VALLEY INCLUDING SAN JOSE-NORTHERN MONTEREY BAY-
INCLUDING THE CITIES OF...SAN FRANCISCO...OAKLAND...FREMONT...
HAYWARD...DALY CITY...BERKELEY...PACIFICA...SCOTTS VALLEY...
BOULDER CREEK...DAY VALLEY...SAN JOSE...SANTA CRUZ...
WATSONVILLE...LIVE OAK
714 PM PST SUN JAN 8 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM PST THIS
EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...NORTHERN MONTEREY BAY...SAN FRANCISCO...SAN FRANCISCO 
  BAY SHORELINE...SAN FRANCISCO PENINSULA COAST...SANTA CLARA 
  VALLEY INCLUDING SAN JOSE AND SANTA CRUZ MOUNTAINS. 

* UNTIL 11 PM PST THIS EVENING

* PERIODS OF HEAVY RAINFALL WILL REMAIN POSSIBLE THROUGH TONIGHT.

* AREA RIVERS AND STREAMS WILL SEE RAPID RISES AND LIKELY EXCEED 
  THEIR BANKS LATE SATURDAY NIGHT AND SUNDAY. FLASH FLOOD 
  WARNINGS WILL LIKELY BE ISSUED SHOULD THE HEAVY RAINS DEVELOP 
  AS EXPECTED. IN ADDITION...RECENT BURN SCARS WILL BE 
  SUSCEPTIBLE TO DEBRIS FLOWS. 

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.

&&

$$

CAZ517-530-090700-
/O.CON.KMTR.FF.A.0002.000000T0000Z-170109T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
INCLUDING THE CITIES OF...SEASIDE...MONTEREY...MARINA
714 PM PST SUN JAN 8 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 4 AM PST MONDAY...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST 
  AND SOUTHERN MONTEREY BAY AND BIG SUR COAST. 

* UNTIL 4 AM PST MONDAY

* PERIODS OF HEAVY RAINFALL WILL REMAIN POSSIBLE THROUGH LATE 
  TONIGHT. 

* HEAVY RAIN OVER THE SOBERANES FIRE BURN SCAR WILL LIKELY LEAD 
  TO FLOODING AND DEBRIS FLOWS. 

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.

&&

$$
207 
WGUS66 KMTR 090653
FFAMTR

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1053 PM PST SUN JAN 8 2017

...FLASH FLOOD WATCH CONTINUES FOR SOUTHERN MONTEREY BAY AND THE
BIG SUR COAST...AND THE SANTA LUCIA MOUNTAINS...

.WHILE PRECIPITATION IS FORECAST TO DIMINISH IN COVERAGE AND
INTENSITY THROUGH TONIGHT...PERIODS OF MODERATE TO LOCALLY HEAVY
RAINFALL WILL BE POSSIBLE THROUGH THIS EVENING ESPECIALLY IN
MONTEREY COUNTY. HEAVY RAIN ON ALREADY SATURATED SOILS WILL
LIKELY LEAD TO FLASH FLOODING OF AREA STREAMS AND RIVERS AS WELL
AS LOCAL URBAN AREAS.

CAZ006-508-509-512-513-529-090800-
/O.CAN.KMTR.FF.A.0002.000000T0000Z-170109T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN FRANCISCO-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-SANTA CRUZ MOUNTAINS-
SANTA CLARA VALLEY INCLUDING SAN JOSE-NORTHERN MONTEREY BAY-
INCLUDING THE CITIES OF...SAN FRANCISCO...OAKLAND...FREMONT...
HAYWARD...DALY CITY...BERKELEY...PACIFICA...SCOTTS VALLEY...
BOULDER CREEK...DAY VALLEY...SAN JOSE...SANTA CRUZ...
WATSONVILLE...LIVE OAK
1053 PM PST SUN JAN 8 2017

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR A PORTION OF WESTERN CALIFORNIA HAS
BEEN CANCELLED. WIDESPREAD RAINFALL IS NO LONGER ANTICIPATED AND
LOCAL RIVERS AND STREAMS WILL CONTINUE TO SLOWLY RECEDE OVERNIGHT.


$$

CAZ517-530-091200-
/O.CON.KMTR.FF.A.0002.000000T0000Z-170109T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
INCLUDING THE CITIES OF...SEASIDE...MONTEREY...MARINA
1053 PM PST SUN JAN 8 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 4 AM PST MONDAY...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF WESTERN CALIFORNIA...INCLUDING THE FOLLOWING 
  AREAS...SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST 
  AND SOUTHERN MONTEREY BAY AND BIG SUR COAST. 

* UNTIL 4 AM PST MONDAY

* PERIODS OF HEAVY RAINFALL WILL REMAIN POSSIBLE THROUGH LATE 
  TONIGHT. 

* HEAVY RAIN OVER THE SOBERANES FIRE BURN SCAR WILL LIKELY LEAD 
  TO FLOODING AND DEBRIS FLOWS. 

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.

&&

$$
351 
WGUS66 KMTR 091154
FFAMTR

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
354 AM PST MON JAN 9 2017


CAZ517-530-091300-
/O.EXP.KMTR.FF.A.0002.000000T0000Z-170109T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
INCLUDING THE CITIES OF...SEASIDE...MONTEREY...MARINA
354 AM PST MON JAN 9 2017

...FLASH FLOOD WATCH WILL EXPIRE AT 4 AM PST EARLY THIS MORNING...

THE FLASH FLOOD WATCH FOR A PORTIONS OF MONTEREY COUNTY WILL
EXPIRE AT 4 AM PST EARLY THIS MORNING.

$$

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Francisco Bay Area, CA wrote its last area forecast discussion before this flash flood watch went out at Jan 5, 10:08 PM PST, 5 hours 18 minutes earlier.

Area forecast discussion, Jan 5, 10:08 PM PST, 5 hours 18 minutes before
Area Forecast Discussion
National Weather Service San Francisco Bay Area
1008 PM PST Thu Jan 5 2017

.SYNOPSIS...Chilly overnight temperatures are forecast tonight
into Friday morning with freezing conditions likely in the North
Bay Valleys, East Bay Valleys and Santa Clara Valley. Widespread
rain chances will increase late Friday into Saturday morning as
deeper moisture advects into the region. Heavier rains are then
likely across the region Saturday night into Sunday along with
strong and gusty winds which may lead to flooding concerns, downed
trees and overall hazardous weather conditions. While conditions
improve briefly late Sunday into Monday, unsettled weather looks
likely for a good portion of next week as well.

&&

.DISCUSSION...as of 9:03 PM PST Thursday...Clear skies will
prevail tonight as a cool/dry airmass settles in over the region.
Radiational cooling as a result of the clear skies will allow
temperatures to plummet into the mid to upper 20s over the North
Bay Valleys and into the upper 20s to lower 30s over the East Bay
and Santa Clara Valleys. A Freeze Warning remains in effect from 3
am to 9 am Friday morning across the valley locations mention
above. Elsewhere temperatures will fair slightly warmer with low
in the mid/upper 30s inland to upper 30s to near 40 along the
coast.

Little change is in store for Friday with mainly clear skies and
temperatures similar to what we saw today. A significantly change
is forecast late Friday into Saturday as the first impulse of a
large upper level low approaches from the west. Light rain is
expected to begin spreading across the district Friday night into
Saturday as the warm sector of the frontal system moves over the
area. Warm air advection will spread light stratiform rain across
the greater portion of the district with Southerly winds ahead of
this system advecting additional moisture in over the area. Rain
intensity will gradually increase as the afternoon progresses and
this system taps into the atmospheric river that is emanating
from the central pacific. Precipitable Water values of 1.50" or
more are expected to be injection into the area with the focus
over the northern and central coast. Moderate to locally heavy
rain is expected through Saturday night with highest rainfall totals
anticipated over the Santa Cruz and the Santa Lucia Mountains. The
North Bay mountain will also see high rainfall totals and
depending on the trajectory of this system might see as much as
the other coastal ranges previously mentioned. Needless to say
confidence remains low as to the exact target of this system but
confidence is high that we are in for a soaker and it is best to
prepare for the worst case scenario.

From previous discussion...Best thinking at this time is the
heaviest rainfall will be around the Santa Cruz Mountains Saturday
afternoon/evening and then shift slightly northward overnight into
Sunday morning. Then, this focus will shift back southward down
the Central Coast through the day on Sunday. Rainfall amounts
through the weekend remain very difficult to pinpoint at this time
as a shift in the atmospheric river north or south will change the
amounts and location of the heaviest rainfall. At this time, it
appears coastal ranges will pick up the most precipitation
generally in the range of 5" to 10" with the potential for some
locations to receive more than a food of rainfall from late Friday
through Sunday. Meanwhile, urban areas can expect 2" to 4" of
precipitation through the weekend. Again, any shift in the
heaviest rainfall could result in much less precipitation for
locations such a Monterey and in the typical inland valley
locations such as the Santa Clara and Salinas Valleys. Also,
rainfall totals in the coastal ranges could be less or greater
depending on where the heaviest rain bands develop.

Aside from the potential for significant rainfall, strong
southerly winds will increase Saturday night into Sunday as
surface low pressure develops off of the northern California coast
and pushes inland to our north. With a 40 KT to 50+ KT 925 MB jet
aloft, this will result in breezy conditions over many areas and
windy to gusty winds in the higher elevations. Cannot rule out 40
MPH wind gusts near the coast and in the lower elevations with 50
MPH to potentially 60 MPH gusts in the higher elevations. With
this, a High Wind Watch and/or Wind Advisories may be needed.
Thus, stay tuned to the latest forecast information in the coming
days as hydro and wind products are likely forthcoming.

Precipitation is forecast to come to an end from late Saturday
into Sunday morning from north to south. Winds will also diminish
Sunday afternoon/evening as the system shifts southward and
further inland.

Medium and longer range models show at least two subsequent
systems to follow on Tuesday/Wednesday and late next week into the
following weekend. This would give very little time for conditions
to dry out and for rivers/creeks to respond to this weekend's
rainfall. As a result, any additional rainfall next week will
likely exacerbate hydro problems. We will continue to update the
forecast and relay information out as we gather additional data.

&&

.AVIATION...As of 10:00 PM PST Thursday...VFR through the period
except for patchy dense fog for KSTS. Winds will be light to
moderate.

Vicinity of KSFO...VFR. Light winds.

SFO Bridge Approach...Similar to KSFO.

Monterey Bay Terminals...VFR. Light winds.

&&

.MARINE...as of 10:00 PM PST Thursday...High pressure over the
Great Basin will keep light to moderate northerly winds over the
coastal waters through Friday. Southerly winds will increase
Friday night and remain gusty through the weekend as a series of
low pressure systems move across the Pacific into northern
California. The gusty winds will produce hazardous conditions
this weekend.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
     .Tngt...Freeze Warning...North Bay Valleys, East Bay Valleys
                              & Santa Clara Valley

&&

PUBLIC FORECAST: CW/RGass
AVIATION: W Pi
MARINE: W Pi

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Hazardous weather outlook, Jan 5, 4:58 AM PST, 22 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
458 AM PST THU JAN 5 2017

CAZ006-505>513-516>518-528>530-060900-
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-
458 AM PST THU JAN 5 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN AND
CENTRAL CALIFORNIA

.DAY ONE...TODAY AND TONIGHT

SOME ISOLATED SHOWERS POSSIBLE, MAINLY THIS MORNING OTHERWISE
PARTLY CLOUDY AND SEASONABLY COOL. TURNING CLEAR AND COLD TONIGHT
WITH LOWS FROM THE UPPER 20S IN THE COLDEST VALLEYS TO 30S
ELSEWHERE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

MOSTLY CLEAR AND DRY FRIDAY. LIGHT RAIN DEVELOPS SATURDAY THEN
BECOMES HEAVY SATURDAY NIGHT THROUGH SUNDAY BEFORE ENDING MONDAY
MORNING. FLOODING WILL BE A CONCERN ESPECIALLY IN THE COASTAL
HILLS AND OVER BURN SCARS. ANOTHER STORM IS POISED TO IMPACT THE
REGION TUESDAY OR WEDNESDAY.

The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 6, 2:20 AM PSTGale WatchMTR7 hr
Jan 6, 3:38 AM PSTHigh Wind WatchMTRMonterey, San Mateo, Santa Clara, Santa Cruz8 hr
Jan 6, 8:59 AM PSTGale WarningMTR60 hr
Jan 6, 8:59 AM PSTSmall Craft AdvisoryMTR41 hr
Jan 6, 11:26 AM PSTHigh Wind WarningMTRMonterey, San Mateo, Santa Clara, Santa Cruz55 hr
Jan 6, 11:26 AM PSTWind AdvisoryMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more55 hr

Nearby

Flash Flood Watches in California, 2017Every flash flood watch in 2017

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.