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Small Craft Advisory For Winds


URGENT - MARINE WEATHER MESSAGE
National Weather Service Portland OR
247 PM PST Thu Dec 14 2017

PZZ270-275-150700-
/O.CON.KPQR.SI.Y.0137.171215T1500Z-171216T0800Z/
Waters from Cape Shoalwater WA to Cascade Head OR from 10 to
60 NM-Waters from Cascade Head to Florence OR from 10 to 60 NM-
247 PM PST Thu Dec 14 2017

...SMALL CRAFT ADVISORY FOR WINDS REMAINS IN EFFECT FROM 7 AM
FRIDAY TO MIDNIGHT PST FRIDAY NIGHT...

* WINDS...Northwest winds 15 to 20 kts, with gusts up to 25 kts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


http://www.weather.gov/portland


Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
129 PM PST Thu Dec 14 2017

PZZ150-153-156-170-173-176-150530-
/O.NEW.KSEW.SC.Y.0302.171215T1400Z-171216T1100Z/
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
129 PM PST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM FRIDAY TO 3 AM PST
SATURDAY...

The National Weather Service in Seattle has issued a Small Craft
Advisory...which is in effect from 6 AM Friday to 3 AM PST
Saturday.

* WIND...Becoming Northwest 15 to 25 knots Friday morning.

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.

&&

$$


www.weather.gov/seattle


Air Stagnation Advisory


URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1057 AM PST Thu Dec 14 2017

...STAGNANT AIR CONDITIONS CONTINUE INTO FRIDAY...

.An upper level ridge will persist over the Pacific Northwest.
This ridge will cause air movement to be limited over large
portions of the region. Areas of freezing fog will be possible
and the air quality will become unhealthy at times.

WAZ024-026>029-520-521-151800-
/O.CON.KPDT.AS.Y.0003.000000T0000Z-171215T1800Z/
Eastern Columbia River Gorge of Washington-Kittitas Valley-
Yakima Valley-Lower Columbia Basin of Washington-
Foothills of the Blue Mountains of Washington-
East Slopes of the Washington Cascades-Simcoe Highlands-
including the cities of White Salmon, Ellensburg, Thorp, Naches,
Sunnyside, Toppenish, Yakima, Connell, Prosser, Tri-Cities,
Dayton, Waitsburg, Walla Walla, Appleton, Cle Elum, Cliffdell,
Goldendale, and Bickleton
1057 AM PST Thu Dec 14 2017

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...

* AIR QUALITY...Moderate to unhealthy at times.

* TIMING...Stagnant air to persist into Friday.

* IMPACTS...Persons with respiratory issues should follow the
  advice of their physician on how to deal with poor air
  quality. Also outdoor burning may be limited, so please
  consult with your local burn agencies.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Air Stagnation Advisory indicates that due to limited movement
of an air mass across the advisory area...pollution has the
potential to increase to dangerous levels. Persons with
respiratory illness should follow their physicians advice for
dealing with high levels of air pollution.

During periods of stagnant air...state air quality agencies
highly recommend that no outdoor burning occur and that
residential wood burning devices be limited as much as possible.
According to state air quality agencies...prolonged periods of
stagnant air can hold pollutants close to the ground...where
people live and breathe. Check with your local burn agency for
any current restrictions in your area.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1018 AM PST Thu Dec 14 2017

...AIR STAGNATION ADVISORY CONTINUES THROUGH FRIDAY MORNING...

A frontal system arrives Friday afternoon. Until then, a strong
temperature inversion will remain over Washington and Idaho. Winds
will also be weak heightening the potential for the build up of
air pollution.

IDC009-017-021-035-049-055-057-061-069-079-WAC001-003-007-017-019-
023-025-043-047-051-063-065-075-151800-
/O.CON.KOTX.AS.Y.0003.000000T0000Z-171215T1800Z/
Benewah-Bonner-Boundary-Clearwater-Idaho-Kootenai-Latah-Lewis-
Nez Perce-Shoshone-Adams-Asotin-Chelan-Douglas-Ferry-Garfield-
Grant-Lincoln-Okanogan-Pend Oreille-Spokane-Stevens-Whitman-
1018 AM PST Thu Dec 14 2017 /1118 AM MST Thu Dec 14 2017/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
/11 AM MST/ FRIDAY...

* Air Quality...Regional air quality sensors range from good to
  moderate. However, light winds and a strong inversion will
  increase the potential for the build up of air pollution and
  deteriorating air quality.

* Impacts...Persons with respiratory issues should follow the
  advice of their physician on how to deal with poor air
  quality. Outdoor burning may be limited, so please consult
  with your local burn agencies for updated burn restrictions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Air Stagnation Advisory indicates that due to limited movement
of an air mass across the advisory area. Pollution may increase
to unhealthy levels. Persons with respiratory illness should
follow their physicians advice for dealing with high levels of
air pollution.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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