From the National Weather Service:
Event: Frost Advisory
Alert:
…FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM PDT WEDNESDAY…
THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A FROST
ADVISORY…WHICH IS IN EFFECT FROM 2 AM TO 8 AM PDT WEDNESDAY.
* CLEAR SKIES…LIGHT WINDS AND A DRY AIR MASS TONIGHT WILL ALLOW
TEMPERATURES TO FALL INTO THE LOWER TO MID 30S EARLY WEDNESDAY
MORNING. TEMPERATURES THIS COLD MAY LEAD TO THE FORMATION OF
FROST.
* A FEW WIND PROTECTED VALLEY LOCATIONS WILL DIP BELOW 32 DEGREES
FOR A SHORT TIME EARLY WEDNESDAY MORNING.
* FROST SENSITIVE CROPS AND OTHER OUTDOOR PLANTS MAY BE KILLED IF
LEFT UNPROTECTED.
Instructions: A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
Target Area:
Mendocino Coast
Redwood Coast