Frost Advisory issued April 11 at 2:33PM PDT until April 13 at 8:00AM PDT by NWS Portland OR

* WHAT…Temperatures as low as 33 degrees F will result in frost
formation.

* WHERE…Central and Southern Willamette Valley, Northern and
Central Coast Range Valleys and Mountains of Oregon, Foothills of
the Northern and Central Oregon Cascades, Willapa Hills and
Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower
Columbia River and Cowlitz River Valleys, Portland Metro Hills,
Tualatin Valley, West Columbia River Gorge of Oregon above 500 ft,
North Clark County Lowlands, and South Washington Cascade
Foothills.

* WHEN…From midnight Saturday Night to 8 AM PDT Sunday.

* IMPACTS…Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.

* ADDITIONAL DETAILS…Rural portions of the southern Willamette
Valley, Coast Range valleys, and the valleys of the Cascade
Foothills will be the most at risk of frost development. Areas
that are shaded will maintain frost longer through the morning.