Frost Advisory issued April 15 at 10:50AM PDT until April 16 at 9:00AM PDT by NWS Portland OR
发布日期：2026-04-15T17:50+00:00
* WHAT...Temperatures of 32 to 36 degrees will result in frost formation. * WHERE...In Oregon, Lower Columbia River and Portland West Hills and Chehalem Mountain. In Washington, Willapa Hills. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation.
