HIGH WIND WARNING
Issue Date: 437 AM PST SAT DEC 26 2009
Expiration: 400 PM PST SAT DEC 26 2009

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON.
* DAMAGING WINDS OF 40 TO 50 MPH WITH GUSTS NEAR 65 MPH WILL
  CONTINUE ACROSS THOSE AREAS PRONE TO EAST WINDS. THE HIGH WINDS
  WILL EASE THIS AFTERNOON.
* SOME AREAS MOST PRONE TO DAMAGING EAST WINDS ARE NORTH BEND...
  BLACK DIAMOND...ENUMCLAW...BUCKLEY...AND ORTING.
* A SPOTTER FRIDAY NIGHT IN NORTH BEND MEASURED EAST WINDS OF 40
  MPH WITH GUSTS NEAR 50 MPH.
* THOSE...ESPECIALLY WITH HIGH PROFILE VEHICLES...TRAVELLING ON
  NORTH- SOUTH ORIENTED HIGHWAYS SUCH AS PORTIONS OF STATE ROUTE
  169 SHOULD BE ALERT FOR SUDDEN AND VERY STRONG CROSS WINDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS THAT A HAZARDOUS WIND EVENT IS IMMINENT
OR OCCURRING. HIGH WINDS CAN TOPPLE TREES...DOWN POWER LINES...
AND DESTROY PROPERTY.
&&
$$

AIR STAGNATION ADVISORY
Issue Date: 437 AM PST SAT DEC 26 2009
Expiration: 1000 AM PST SAT DEC 26 2009

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING. A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON.
* EAST WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 50 MPH WILL
  CONTINUE MAINLY EAST OF STATE ROUTES 167 AND 161. THE WINDS WILL
  DIMINISH IN THE AFTERNOON.
* AREAS MOST PRONE TO STRONG EAST WINDS ARE RENTON...KENT...
  AUBURN...AND SUMNER.
* THOSE...ESPECIALLY WITH HIGH PROFILE VEHICLES...PLANNING TRAVEL
  ON STATE ROUTES 161 AND 167 SHOULD BE PREPARED FOR STRONG CROSS
  WINDS.
* A STRONG LOW LEVEL INVERSION WILL PREVENT MUCH MIXING FROM
  OCCURRING OVER THOSE AREAS NOT PRONE TO STRONG EAST WINDS.
  THIS WILL ALLOW POLLUTANTS LIKE WOOD SMOKE AND INDUSTRIAL
  EMISSIONS TO ACCUMULATE AND REDUCE AIR QUALITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY. WINDS THIS STRONG CAN SNAP
SMALL TREE BRANCHES...TOPPLE SMALL OR SHALLOW-ROOTED TREES...AND
CAUSE LOCAL POWER OUTAGES.
AN AIR STAGNATION ADVISORY IS ISSUED WHEN LOCALLY ESTABLISHED
CRITICAL VALUES OF TRANSPORT WINDS...MIXING HEIGHT...AND
VENTILATION ARE EXPECTED TO PERSIST FOR AT LEAST 72 HOURS. CHECK
WITH YOUR LOCAL AIR QUALITY AGENCY FOR POSSIBLE RESTRICTIONS IN
YOUR AREA.
&&
$$

WIND ADVISORY
Issue Date: 422 AM PST SAT DEC 26 2009
Expiration: 400 PM PST SAT DEC 26 2009

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING. A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON.
* EAST WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 50 MPH WILL
CONTINUE MAINLY EAST OF STATE ROUTES 167 AND 161. THE WINDS WILL
DIMINISH IN THE AFTERNOON.
* AREAS MOST PRONE TO STRONG EAST WINDS ARE RENTON...KENT...
AUBURN...AND SUMNER.
* THOSE...ESPECIALLY WITH HIGH PROFILE VEHICLES...PLANNING TRAVEL
ON STATE ROUTES 161 AND 167 SHOULD BE PREPARED FOR STRONG CROSS
WINDS.
* A STRONG LOW LEVEL INVERSION WILL PREVENT MUCH MIXING FROM
OCCURRING OVER THOSE AREAS NOT PRONE TO STRONG EAST WINDS.
THIS WILL ALLOW POLLUTANTS LIKE WOOD SMOKE AND INDUSTRIAL
EMISSIONS TO ACCUMULATE AND REDUCE AIR QUALITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR
GUSTS OF 45 TO 57 MPH ARE LIKELY. WINDS THIS STRONG CAN SNAP
SMALL TREE BRANCHES...TOPPLE SMALL OR SHALLOW-ROOTED TREES...AND
CAUSE LOCAL POWER OUTAGES.
AN AIR STAGNATION ADVISORY IS ISSUED WHEN LOCALLY ESTABLISHED
CRITICAL VALUES OF TRANSPORT WINDS...MIXING HEIGHT...AND
VENTILATION ARE EXPECTED TO PERSIST FOR AT LEAST 72 HOURS. CHECK
WITH YOUR LOCAL AIR QUALITY AGENCY FOR POSSIBLE RESTRICTIONS IN
YOUR AREA.
$$