10:08 a.m., November 22, 2010
... Winter Weather Advisory remains in effect until 10 PM PST this
evening for the lower Columbia... greater Portland Metro
area including Clark County and the I-5 corridor in southwest
A Winter Weather Advisory for snow remains in effect until 10 PM
PST this evening
* timing... snow will increase north of Portland early this
afternoon and slowly transition to snow southward through the
afternoon. Precipitation will turn to all snow during the late
afternoon and evening before tapering off before midnight.
* Snow level... north of the Kelso near the surface to 400 feet
lowering to the surface by mid afternoon.
Kelso south 500 to 1200 feet lowering to the surface late this
afternoon and early evening.
* Accumulation... 2 to 5 inches in Washington... with highest
amounts in Cowlitz County and higher hills. 1 to 3 inches in Oregon
portion with highest amounts in the higher hills.
* Impacts... roads may become slick and hazardous for travel...
especially during the late afternoon commute.
A Winter Weather Advisory for snow means that periods of snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities... and use caution while