* WHAT...For the first Frost Advisory, temperatures of 33 to 36 degrees will result in frost formation. For the second Frost Advisory, temperatures of 33 to 36 degrees will result in frost formation.
* WHERE...In Oregon, Tualatin Valley, Central Oregon Coast Range, and Central Oregon Coast Range Lowlands. In Washington, Cowlitz County Lowlands, North Clark County Lowlands, South Washington Cascade Foothills, and Willapa Hills.
* WHEN...For the first Frost Advisory, from 11 PM this evening to 9 AM PDT Friday. For the second Frost Advisory, from 11 PM Friday to 9 AM PDT Saturday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.