027
WWUS76 KEKA 030217
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
617 PM PST Tue Dec 2 2025

CAZ103-104-031700-
/O.CON.KEKA.FR.Y.0037.251203T0800Z-251203T1700Z/
Northern Humboldt Coast-Southwestern Humboldt-
Including McKinleyville, Whitethorn, Samoa, Arcata, Fieldbrook,
Eureka, and Ettersburg
617 PM PST Tue Dec 2 2025

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST
WEDNESDAY...

* WHAT...Temperatures as low as 34 will result in frost formation.

* WHERE...Humboldt Coast.

* WHEN...From midnight tonight to 9 AM PST Wednesday.

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

* ADDITIONAL DETAILS...Coldest areas will be valleys that remain
  clear and are away from the coast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

CAZ105-106-031700-
/O.CON.KEKA.FR.Y.0037.251203T0800Z-251203T1700Z/
Northern Humboldt Interior-Southern Humboldt Interior-
Including Weitchpec, Bull Creek, Dinsmore, Willow Creek, Hoopa,
Shively, Bridgeville, Alderpoint, and Benbow
617 PM PST Tue Dec 2 2025

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST
WEDNESDAY...

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

* WHERE...Humboldt Interior.

* WHEN...From midnight tonight to 9 AM PST Wednesday.

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

* ADDITIONAL DETAILS...Fog or low clouds may develop in some valleys
  keeping temperatures in the upper 30s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

CAZ109-031700-
/O.CON.KEKA.FR.Y.0037.251203T0800Z-251203T1700Z/
Mendocino Coast-
617 PM PST Tue Dec 2 2025

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST
WEDNESDAY...

* WHAT...Temperatures as low as 34 will result in frost formation.

* WHERE...Mendocino Coast. The coldest areas will be just inland from
  the coast.

* WHEN...From midnight tonight to 9 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

CAZ112-113-031700-
/O.CON.KEKA.FR.Y.0037.251203T0800Z-251203T1700Z/
Southwestern Mendocino Interior-Southeastern Mendocino Interior-
Including Ukiah, Calpella, Redwood Valley, Hopland, Talmage, Philo,
and Boonville
617 PM PST Tue Dec 2 2025

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST
WEDNESDAY...

* WHAT...Temperatures as low as 34 will result in frost formation.

* WHERE...Southern Mendocino Interior valleys.

* WHEN...From midnight tonight to 9 AM PST Wednesday.

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

* ADDITIONAL DETAILS...Fog or low clouds may develop in some valleys
  keeping temperatures in the upper 30s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

MKK