California County Alert Archives from the National Weather Service

Alert Archives for All California Counties

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Select a date: 4 total alerts issued on this day Updates Every 15 Minutes
Alert Summary \| Alert RSS Feed \| Alert Archives \| Icon key Last Update:March 28, 2026 - 7:00 am PDT

Mendocino County

FROST ADVISORY (2 updates)
Areas affected: Northwestern Mendocino Interior; Northeastern Mendocino Interior
Effective: Mar 27 8:07 pm	Expired: Mar 28 4:15 am	Duration: 8 hrs 08 mins
Areas affected: Northwestern Mendocino Interior; Northeastern Mendocino Interior
Effective: Mar 28 3:27 am	Expired: Mar 28 9:00 am	Duration: 5 hrs 33 mins

San Luis Obispo County

DENSE FOG ADVISORY
Areas affected: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley
Effective: Mar 28 7:45 am	Expired: Mar 28 10:00 am	Duration: 2 hrs 15 mins

Santa Barbara County

DENSE FOG ADVISORY
Areas affected: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley
Effective: Mar 28 7:45 am	Expired: Mar 28 10:00 am	Duration: 2 hrs 15 mins

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