Weather Alerts for Lower Columbia

Issued by the National Weather Service

Frost Advisory  FROST ADVISORY   Frost Advisory
LOWER COLUMBIA

Areas Affected:
North Oregon Coast Range Lowlands - North Oregon Coast Range - Outer Southeast Portland Metro - Linn County Lowlands - Upper Hood River Valley - Clackamas County Cascade Foothills - Cascade Foothills of Marion and Linn Counties - Lane County Cascade Foothills - North Clark County Lowlands - South Washington Cascade Foothills
Effective: Sat, 10/10 10:13am Updated: Sat, 10/10 4:36pm Urgency: Expected
Expires: Sun, 10/11 9:00am Severity: Minor Certainty: Likely

 
Details:
* 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, Upper Hood River Valley, 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 tonight to 9 AM PDT Sunday.

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

* ADDITIONAL DETAILS...Chances for sub-freezing temperatures below 32
degrees are high in Parkdale and Dee (70-90%) tonight into Sunday
morning. However, the majority of the Upper Hood River Valley
should remain above freezing with lows of 33 to 36 degrees,
including in Odell.

Information:
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.