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Gale Warning


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

...Strong and gusty north winds expected across the coastal
waters in the post frontal environment...

PZZ571-170500-
/O.CON.KMTR.GL.W.0027.000000T0000Z-171217T0500Z/
Point Reyes to Pigeon Point 10 To 60 nm Offshore-
224 PM PST Sat Dec 16 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PST THIS EVENING...

* WINDS...North 25 to 35 kt with gusts up to 45 kt.

* SEAS...12 to 16 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.

&&

$$

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

...Strong and gusty north winds expected across the coastal
waters in the post frontal environment...

PZZ545-170630-
/O.UPG.KMTR.SC.Y.0266.000000T0000Z-171217T1100Z/
/O.EXA.KMTR.GL.W.0027.000000T0000Z-171217T0500Z/
Point Reyes To Pigeon Point To 10 nm-
224 PM PST Sat Dec 16 2017

...GALE WARNING IN EFFECT UNTIL 9 PM PST THIS EVENING...

The National Weather Service in San Francisco has issued a Gale
Warning, which is in effect until 9 PM PST this evening. The
Small Craft Advisory is no longer in effect.

* WINDS...North 20 to 30 kt with gusts up to 40 kt.

* SEAS...7 to 11 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.

&&

$$


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 San Francisco CA
224 PM PST Sat Dec 16 2017

...Strong and gusty north winds expected across the coastal
waters in the post frontal environment...

PZZ531-170630-
/O.CON.KMTR.SC.Y.0266.000000T0000Z-171217T1100Z/
San Francisco Bay South of the Bay Bridge-
224 PM PST Sat Dec 16 2017

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

* WINDS...North 15 to 25 kt with gusts up to 35 kt.

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 San Francisco CA
224 PM PST Sat Dec 16 2017

...Strong and gusty north winds expected across the coastal
waters in the post frontal environment...

PZZ540-170630-
/O.CON.KMTR.SC.Y.0267.000000T0000Z-171217T2300Z/
Point Arena To Point Reyes To 10 nm-
224 PM PST Sat Dec 16 2017

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

* WINDS...Northwest 15 to 25 kt with gusts up to 35 kt.

* SEAS...6 to 11 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 San Francisco CA
224 PM PST Sat Dec 16 2017

...Strong and gusty north winds expected across the coastal
waters in the post frontal environment...

PZZ530-170630-
/O.CON.KMTR.SC.Y.0266.000000T0000Z-171217T1100Z/
San Pablo Bay Suisun Bay The West Delta and San Francisco Bay
North of the Bay Bridge-
224 PM PST Sat Dec 16 2017

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

* WINDS...North 15 to 25 kt with gusts up to 35 kt.

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.

&&

$$


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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
220 PM PST Sat Dec 16 2017

CAZ520-522-171100-
/O.CON.KVEF.WI.Y.0053.000000T0000Z-171218T0000Z/
Owens Valley-Death Valley National Park-
Including Bishop, Independence, Lone Pine, Olancha,
Furnace Creek, Stovepipe Wells, and Shoshone
220 PM PST Sat Dec 16 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SUNDAY...

* TIMING...Winds will decrease tonight over the Owens Valley and
  Death Valley, but remain breezy, before picking up again Sunday
  and lasting through Sunday afternoon.

* WINDS...North winds 25 to 35 mph with gusts to 50 mph.

* IMPACTS...Strong crosswinds are possible on west or eastbound
  roads and highways. Areas of blowing dust and sand are
  possible. Unsecured structures, signs, or holiday decorations
  may be damaged or blown away.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means strong winds gusting over 40 mph can make
driving difficult...especially for high profile vehicles. Use
extra caution.

&&

$$

Morgan


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...

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
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