Eastern Curry County and Josephine County

 Dense Fog Advisory, Air Stagnation Advisory  Statement as of 4:30 am PST on January 27, 2015

... Dense fog advisory in effect until 11 am PST this morning...
... Air stagnation advisory remains in effect until 10 am PST

The National Weather Service in Medford has issued a dense fog
advisory... which is in effect until 11 am PST this morning. An
air stagnation advisory remains in effect until 10 am PST

* Synopsis: high pressure will continue over the region through
at least Thursday morning continuing low level inversions and
generally stagnant air. The high will weaken some Tuesday and
Wednesday resulting in some improvement in vertical mixing...
but not enough to completely mix out the stagnant air in the
west side valleys. The inversion is expected to strengthen
some again this weekend before dissipating early next week.

* Locations include: Grants Pass... Cave Junction... Medford...
Ashland... drain... Elkton... Roseburg... Sutherlin... green...
Myrtle Creek... Canyonville... Glendale.

* Impacts: very low visibilities in dense fog will make driving
hazardous... especially on I-5 and other roads with high speed
limits. Air quality could deteriorate if significant pollution
particulates accumulate. These particulates could make breathing
more difficult for those with respiratory ailments.

* View the hazard area in detail at http://go.USA.Gov/zyv5

Precautionary/preparedness actions...

An air stagnation advisory indicates that... due to limited
movement of an air mass across the advisory area... pollution
could increase to levels that affect health.

A dense fog advisory means visibilities will frequently be
reduced to less than one quarter mile. If driving... slow
down... use your headlights... and leave plenty of distance ahead of

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