Issued by The National Weather Service
Medford, OR

Sat, Dec 14, 2013, 5:05 PM PST

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Updated Dec 15, 2013, 7:45am PST

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... AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY...
AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY.
* SYNOPSIS... HIGH PRESSURE WILL STRENGTHEN THIS WEEKEND... RESULTING IN LIGHT WINDS AND POOR MIXING IN THE VALLEYS.
* LOCATIONS INCLUDE: LAKEVIEW... ALTAMONT... KLAMATH FALLS... BEATTY... BLY... CHEMULT... CRESCENT... GILCHRIST... SPRAGUE RIVER.
* IMPACTS... A STRONG INVERSION WILL LIMIT MIXING THIS WEEKEND THROUGH THE MIDDLE OF NEXT WEEK. POLLUTANTS AND OTHER AIRBORNE PARTICULATES WILL BE TRAPPED IN VALLEYS. AIR QUALITY WILL DETERIORATE DURING THIS TIME PERIOD. THOSE SENSITIVE TO REDUCED AIR QUALITY ARE ADVISED TO TAKE PRECAUTIONS TO PREVENT OR LIMIT THEIR EXPOSURE.
* FOR A DETAILED VIEW OF THE HAZARD AREA...