NWS Medford OR
Jan-16 2:19 - Jan-16 10:00
* WHAT...For the Freezing Fog Advisory, visibility one quarter mile
or less in freezing fog and fog. For the Air Stagnation Advisory,
poor air quality will continue. This is due to an inversion and
stagnant air conditions near the surface that will continue to
trap pollutants.
* WHERE...Valleys in eastern Curry County and Josephine County and
Jackson County. This includes, the Illinois, Rogue and Applegate
valleys, including Grants Pass, Selma, Cave Junction, Applegate,
Rogue River, Medford, Eagle Point, Jacksonville, Ashland and
surrounding areas.
* WHEN...For the Air Stagnation Advisory, until noon PST Friday. For
the Freezing Fog Advisory, until 10 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
Freezing fog may allow spots of ice to develop on roadways. Poor
air quality may cause issues for people with respiratory problems.
* ADDITIONAL DETAILS...Strong valley inversions, very shallow mixing
layers of less than 1000 feet, and calm winds are expected
throughout the advisory time, especially during the overnight and
morning hours. A weak front Thursday night into Friday may allow
for a brief period of improved mixing and particulate dispersion.