* WHAT…Temperatures as low as 33 to 36 degrees will result in frost formation.
* WHERE…In Oregon, Clackamas County Cascade Foothills, North Oregon Coast Range, North Oregon Coast Range Lowlands, Outer Southeast Portland Metro, Cascade Foothills of Marion and Linn Counties, Lane County Cascade Foothills, and Linn County Lowlands Counties. In Washington, North Clark County Lowlands and South Washington Cascade Foothills Counties.
* WHEN…From midnight Saturday Night to 9 AM PDT Sunday.
* IMPACTS…Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
* AFFECTED AREAS: NORTH OREGON COAST RANGE LOWLANDS … NORTH OREGON COAST RANGE … OUTER SOUTHEAST PORTLAND METRO … LINN COUNTY LOWLANDS … CLACKAMAS COUNTY CASCADE FOOTHILLS … CASCADE FOOTHILLS OF MARION AND LINN COUNTIES … LANE COUNTY CASCADE FOOTHILLS … NORTH CLARK COUNTY LOWLANDS … SOUTH WASHINGTON CASCADE FOOTHILLS
Instructions:
Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures. Consider temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.
Severity: Minor – Minimal to no known threat to life or property
Urgency: Expected – Responsive action SHOULD be taken soon (within next hour)
Certainty: Likely (p > ~50%)
Category: MET: Meteorological (inc. flood)
Event Description: Frost Advisory
