Air Stagnation Advisory issued January 13 at 2:38PM PST until January 16 at 10:00AM PST by NWS Medford OR
WHAT: For the Air Stagnation Advisory within the valleys of
Josephine and Jackson Counties, decreased air quality may develop.
This is due to an inversion and stagnant air conditions near the
surface that will continue to trap pollutants. For the Freezing
Fog Advisory, visibility under 1/4 a mile in freezing fog within
Jackson and Josephine Counties.
WHERE: Within the valleys of Josephine and Jackson Counties.
WHEN: For the Air Stagnation Advisory, until 10 AM PST Friday.
For the Freezing Fog Advisory, from midnight tonight to noon PST
Wednesday.
IMPACTS: Dense freezing fog could make driving conditions
hazardous and create some slick surfaces. Air quality unhealthy
for sensitive groups may develop.
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Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.