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Gale Warning


Urgent - Marine Weather Message
National Weather Service Eureka CA
919 PM PST Sat Dec 16 2017

PZZ475-171330-
/O.CON.KEKA.GL.W.0055.000000T0000Z-171217T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
919 PM PST Sat Dec 16 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY...

* WINDS...North winds increasing to 25 to 35 kt with gusts up to
  40 kt. Winds start to diminish on Sunday.

* SEAS...10 to 12 ft including...N 12 ft at 9 seconds and NW 6 ft
  at 14 seconds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

URGENT - Marine Weather Message
National Weather Service San Francisco CA
830 PM PST Sat Dec 16 2017


PZZ570-171230-
/O.EXT.KMTR.GL.W.0027.000000T0000Z-171217T1400Z/
Point Arena To Point Reyes 10 To 60 nm Offshore-
830 PM PST Sat Dec 16 2017

...GALE WARNING NOW IN EFFECT UNTIL 6 AM PST SUNDAY...

* WINDS...North 25 to 30 kt with gusts up to 40 kt.

* SEAS...10 to 15 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occuring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or steep waves are expected to produce hazardous wave
conditions to small craft. Inexperienced mariners...especially
those operating smaller vessels should avoid navigating in these
conditions.

&&

$$

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
724 PM PST Sat Dec 16 2017

California waters-
Inner waters from  60 nm to 150 nm offshore.
Outer waters from 150 nm to 250 nm offshore.

Seas given as significant wave height, which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.

PZZ825-171730-
Point Arena to Pigeon Point between 60 nm and 150 nm offshore-
724 PM PST Sat Dec 16 2017

...GALE WARNING...

.TONIGHT...N winds 25 to 35 kt. Seas 10 to 18 ft.
.SUN...N winds 20 to 30 kt. Seas subsiding to 9 to 15 ft.
.SUN NIGHT...N winds 20 to 30 kt. Seas subsiding to 8 to 11 ft.
.MON...N winds 10 to 20 kt. Seas subsiding to 6 to 8 ft.
.MON NIGHT...N winds 5 to 15 kt, diminishing to less than 10 kt.
Seas 6 to 7 ft.
.TUE...N winds less than 10 kt, becoming W to NW. Seas 6 to
8 ft.
.TUE NIGHT...W to NW winds 10 to 15 kt, becoming N to NW 10 to
20 kt. Seas 7 to 9 ft.
.WED...N winds 15 to 25 kt. Seas 7 to 9 ft.
.WED NIGHT...N winds 15 to 25 kt. Seas 7 to 11 ft.
.THU...N winds 15 to 25 kt. Seas 8 to 11 ft.
.THU NIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 6 to 8 ft.

$$


Red Flag Warning


URGENT - FIRE WEATHER MESSAGE
National Weather Service San Francisco CA
751 PM PST Sat Dec 16 2017

...Gusty northerly winds will combine with very low humidity
values through Sunday morning...

.A dry system moving through will produce a combination of gusty
winds and low humidity values today and tonight. Due to these
factors and the recently long stretch of warm and dry conditions,
a very elevated fire weather risk can be expected particularly
for higher elevation locations.

CAZ507-511-512-517-518-171200-
/O.CON.KMTR.FW.W.0009.000000T0000Z-171217T1800Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Santa Cruz Mountains-
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
751 PM PST Sat Dec 16 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY...

* WIND...Northerly winds of 15 to 30 mph with local gusts over
  50 mph. Strongest gusts will be over the North Bay Mountains
  and East Bay Hills.

* HUMIDITY...Minimum humidity readings of 10 to 20% during the
  day. Nighttime maximum humidity readings will likely recover
  early in the night then drop to 25 to 35%.

* HIGHEST THREAT...Elevations above 1000 ft, especially in the
  North Bay Mountains and East Bay Hills.

* IMPACTS...Any fires that develop will likely spread rapidly.
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

URGENT - FIRE WEATHER MESSAGE
National Weather Service Sacramento CA
329 PM PST Sat Dec 16 2017

...Critical Fire Weather Conditions into Early Sunday...

.Gusty north winds and unseasonably low humidity values continue across
the region. Due to these factors and the recent long stretch of
warm and dry conditions, an elevated fire weather risk will
continue into early Sunday.

CAZ216>219-263-264-279-171800-
/O.CON.KSTO.FW.W.0015.000000T0000Z-171217T1800Z/
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-Carquinez Strait and Delta-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-Southeast Edge Shasta-
Trinity NF and Western Portions of Tehama-Glenn Unit-
Lake County Portion of Lake-Napa-Sonoma Unit-Eastern Mendocino NF-
329 PM PST Sat Dec 16 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY FOR
GUSTY WINDS AND LOW HUMIDITY

 FOR FIRE WEATHER ZONES 216, 217,
218, 219, 263, 264, AND 279...

* AFFECTED AREA...Fire weather zones 216, 217, 218, 219, 263,
  264, AND 279.

* WIND...North winds of 20 to 30 mph with gusts up to 45 mph
  through early evening. Local gusts of 50 mph will be possible
  over higher elevations. Winds will gradually decrease overnight.

* HUMIDITY...Minimum humidity readings of 10 to 25 percent by late
  this afternoon. Poor humidity recovery expected tonight through
  Sunday morning.

* IMPACTS...Any fires that develop will have the potential to
  spread rapidly. Outdoor burning or any activity that could
  spark a fire is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

&&

Interact with us via social media
www.facebook.com/nws.sacramento
www.twitter.com/nwssacramento

$$


Small Craft Advisory


Urgent - Marine Weather Message
National Weather Service Eureka CA
919 PM PST Sat Dec 16 2017

PZZ455-171100-
/O.CON.KEKA.SE.W.0028.000000T0000Z-171217T1100Z/
/O.CON.KEKA.SC.Y.0128.000000T0000Z-171217T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
919 PM PST Sat Dec 16 2017

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PST
SUNDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...

* WINDS...North 15 to 25 kt gusting up to 35 kt decreasing 15 to
  25 kt by morning.

* WAVES/SEAS...8 to 11 ft including... N 10 to 11 feet at 9
  seconds and NW at 3 ft and 13 seconds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Seas Warning means hazardous sea conditions are
imminent or occurring. Recreational boaters should remain in
port, or take shelter until waves subside.  Commercial vessels
should prepare for rough seas and consider remaining in port or
taking shelter in port until hazardous seas subside.

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

Urgent - Marine Weather Message
National Weather Service Eureka CA
919 PM PST Sat Dec 16 2017

PZZ450-171100-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171217T1100Z/
Pt St George to Cape Mendocino out 10 nm-
919 PM PST Sat Dec 16 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...

* WINDS...North winds 20 to 30 kt. Wind gusts up to 35 kt around
  Cape Mendocino. Winds will gradually diminish by morning.

* SEAS...7 to 8 ft around 8 seconds and NW 3 to 4 ft at 12
  seconds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$

Urgent - Marine Weather Message
National Weather Service Eureka CA
919 PM PST Sat Dec 16 2017

PZZ470-171330-
/O.CAN.KEKA.GL.W.0055.000000T0000Z-171217T0600Z/
/O.EXB.KEKA.SC.Y.0128.000000T0000Z-171217T1700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
919 PM PST Sat Dec 16 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PST SUNDAY...
...GALE WARNING IS CANCELLED...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect until 9 AM PST Sunday. The Gale
Warning has been cancelled.

* WINDS...North 15 to 25 kt gusting up to 30 kt decreasing 15 to
  25 kt by morning.

* WAVES/SEAS...8 to 9 ft at 8 seconds and NW at 4 ft and 13
  seconds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

URGENT - Marine Weather Message
National Weather Service San Francisco CA
830 PM PST Sat Dec 16 2017


PZZ540-171230-
/O.CON.KMTR.SC.Y.0267.000000T0000Z-171217T2300Z/
Point Arena To Point Reyes To 10 nm-
830 PM PST Sat Dec 16 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY...

* WINDS...Northwest 10 to 20 kt with gusts up to 30 kt.

* SEAS...7 to 9 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or steep waves are expected to produce hazardous wave
conditions to small craft. Inexperienced mariners...especially
those operating smaller vessels should avoid navigating in these
conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Medford OR
202 PM PST Sat Dec 16 2017

PZZ356-376-171200-
/O.CON.KMFR.SC.Y.0112.000000T0000Z-171217T1200Z/
Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm-
Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm-
202 PM PST Sat Dec 16 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY...

* Winds...North 20 to 30 kt through early Sunday morning.

* Seas...Wind driven and mixed with light west swell that will
  result in steep combined seas at 6 to 8 feet through early
  Sunday morning.

* Areas affected...The strongest winds and steepest seas will
  occur south of Gold Beach beyond 3 NM from shore...especially
  this afternoon and evening.

* View the hazard area in detail at
  https://www.wrh.noaa.gov/mfr/HAZARD

Precautionary/preparedness actions...

A Small Craft Advisory means that winds and seas will create a
potential hazard to smaller vessels and inexperienced mariners.

&&

$$


http://www.weather.gov/medford


Hazardous Seas Warning


Urgent - Marine Weather Message
National Weather Service Eureka CA
919 PM PST Sat Dec 16 2017

PZZ455-171100-
/O.CON.KEKA.SE.W.0028.000000T0000Z-171217T1100Z/
/O.CON.KEKA.SC.Y.0128.000000T0000Z-171217T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
919 PM PST Sat Dec 16 2017

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PST
SUNDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...

* WINDS...North 15 to 25 kt gusting up to 35 kt decreasing 15 to
  25 kt by morning.

* WAVES/SEAS...8 to 11 ft including... N 10 to 11 feet at 9
  seconds and NW at 3 ft and 13 seconds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Seas Warning means hazardous sea conditions are
imminent or occurring. Recreational boaters should remain in
port, or take shelter until waves subside.  Commercial vessels
should prepare for rough seas and consider remaining in port or
taking shelter in port until hazardous seas subside.

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$


Lake Wind Advisory


URGENT - WEATHER MESSAGE
National Weather Service Reno NV
824 AM PST Sat Dec 16 2017

CAZ072-NVZ002-171100-
/O.EXT.KREV.LW.Y.0061.171216T1800Z-171217T1800Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Stateline,
and Incline Village
824 AM PST Sat Dec 16 2017

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 10 AM PST SUNDAY FOR
LAKE TAHOE...

The Lake Wind Advisory for Lake Tahoe is now in effect until
10 AM PST Sunday.

* Winds: East to Northeast 20 to 30 mph with gusts up to 40 mph.

* Wave Heights: 2 to 4 feet with highest waves on western shores.

* Small boats, kayaks and paddle boards will be prone to
  capsizing and should remain off lake waters until conditions
  improve.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Check lake conditions before heading out and be prepared for a
sudden increase in winds and wave heights. Consider postponing
boating activities on the lake until a day with less wind.

&&

$$

http://weather.gov/reno


Wind Advisory


URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
752 PM PST Sat Dec 16 2017

CAZ507-511-512-517-518-171200-
/O.CON.KMTR.WI.Y.0023.000000T0000Z-171217T1800Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Santa Cruz Mountains-
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
Including the cities of Angwin, Lagunitas-Forest Knolls,
Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley
752 PM PST Sat Dec 16 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY...

A Wind Advisory remains in effect until 10 AM PST Sunday.

* TIMING: Through 10 AM Sunday

* LOCATION: Elevations above 1,000 feet in the San Francisco and
  Monterey Bay Region.

* WINDS: Northerly winds of 20 to 35 mph with local gusts over
  50 mph.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$


Air Stagnation Advisory


URGENT - WEATHER MESSAGE
National Weather Service Medford OR
302 PM PST Sat Dec 16 2017

...High pressure to bring more stagnation this weekend...

ORZ023-024-026-171800-
/O.CON.KMFR.AS.Y.0006.171217T0300Z-171219T1600Z/
Central Douglas County-Eastern Curry County and Josephine County-
Jackson County-
Including the cities of Drain, Elkton, Roseburg, Sutherlin,
Green, Myrtle Creek, Canyonville, Grants Pass, Cave Junction,
Medford, and Ashland
302 PM PST Sat Dec 16 2017

...AIR STAGNATION ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 8 AM PST TUESDAY...

* Air quality: Quality will deteriorate beginning tonight due to
  high pressure and limited ventilation.

* Locations include: All inland valleys.

* Impacts: Limited ventilation will result in degraded air
  quality, which may pose a risk to those working outside and to
  those with sensitive health issues.

* View the hazard area in detail at
  https://www.wrh.noaa.gov/mfr/HAZARD

Precautionary/preparedness actions...

An air stagnation advisory indicates that due to limited movement
of an airmass across the advisory area, pollution will increase.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
302 PM PST Sat Dec 16 2017

...High pressure to bring more stagnation this weekend...

ORZ029>031-171800-
/O.CON.KMFR.AS.Y.0006.171217T0300Z-171219T1600Z/
Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Altamont, Klamath Falls, Beatty, Bly,
Chemult, Sprague River, and Adel
302 PM PST Sat Dec 16 2017

...AIR STAGNATION ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 8 AM PST TUESDAY...

* Air quality: Quality will deteriorate beginning tonight due to
  high pressure and limited ventilation.

* Locations include: All inland valleys.

* Impacts: Limited ventilation will result in degraded air
  quality, which may pose a risk to those working outside and to
  those with sensitive health issues.

* View the hazard area in detail at
  https://www.wrh.noaa.gov/mfr/HAZARD

Precautionary/preparedness actions...

An air stagnation advisory indicates that due to limited movement
of an airmass across the advisory area, pollution will increase.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE