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wwus86 kpqr 222156

special weather statement
national weather service portland or
156 pm pst thu feb 22 2018

lower columbia-greater portland metro area-
western columbia river gorge-i-5 corridor in cowlitz county-
greater vancouver area-
including the cities of st. helens, clatskanie, hillsboro, 
portland, wilsonville, oregon city, gresham, troutdale, corbett, 
rooster rock, multnomah falls, cascade locks, longview, kelso, 
castle rock, vancouver, battle ground, ridgefield, washougal, 
yacolt, amboy, north bonneville, and stevenson
156 pm pst thu feb 22 2018

...brief low elevation snow possible late friday afternoon through
friday evening...

another weather system is expected to drop south into southwest
washington and northwest oregon friday and friday night. initial 
precipitation reaches southwest washington late friday morning and
then sags south in the afternoon. there is the potential for a 
rain/snow mix or a short period of wet snowfall in the lower 
columbia, interstate 5 corridor of cowlitz county, greater 
portland and vancouver metro areas and west columbia river gorge 
mid to late afternoon into the evening. little to no accumulation
is expected as surface temperatures will be slightly above
freezing. however, areas in the west columbia gorge and also 
above 500 feet outside the gorge may pick up an inch. snow levels 
will gradually rise through the night, to 500 to 1000 feet, due to
increasing south to southwest surface wind.


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