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Alert Archives for All California Counties
If there's no Alerts for the day, there's no log file
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11 total alerts issued on this day
Updates Every 15 Minutes |
 Last Update:April 18, 2026 - 7:00 am PDT
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| Humboldt County |
 FROST ADVISORY (2 updates) |
| Areas affected: Southeastern Interior Humboldt; Northwestern Interior Mendocino; Northern Lake; Western Lake |
| Effective: Apr 17 7:10 pm |
Expired: Apr 18 3:15 am |
Duration: 8 hrs 05 mins |
| Areas affected: Southeastern Interior Humboldt; Northwestern Interior Mendocino; Northern Lake; Western Lake |
| Effective: Apr 18 1:22 am |
Expired: Apr 18 8:00 am |
Duration: 6 hrs 38 mins |
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| Lake County |
| FROST ADVISORY (2 updates) |
| Areas affected: Southeastern Interior Humboldt; Northwestern Interior Mendocino; Northern Lake; Western Lake |
| Effective: Apr 17 7:10 pm |
Expired: Apr 18 3:15 am |
Duration: 8 hrs 05 mins |
| Areas affected: Southeastern Interior Humboldt; Northwestern Interior Mendocino; Northern Lake; Western Lake |
| Effective: Apr 18 1:22 am |
Expired: Apr 18 8:00 am |
Duration: 6 hrs 38 mins |
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| Mendocino County |
| FROST ADVISORY (2 updates) |
| Areas affected: Southeastern Interior Humboldt; Northwestern Interior Mendocino; Northern Lake; Western Lake |
| Effective: Apr 17 7:10 pm |
Expired: Apr 18 3:15 am |
Duration: 8 hrs 05 mins |
| Areas affected: Southeastern Interior Humboldt; Northwestern Interior Mendocino; Northern Lake; Western Lake |
| Effective: Apr 18 1:22 am |
Expired: Apr 18 8:00 am |
Duration: 6 hrs 38 mins |
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| Northern Lake County |
| FROST ADVISORY (2 updates) |
| Areas affected: Southeastern Interior Humboldt; Northwestern Interior Mendocino; Northern Lake; Western Lake |
| Effective: Apr 17 7:10 pm |
Expired: Apr 18 3:15 am |
Duration: 8 hrs 05 mins |
| Areas affected: Southeastern Interior Humboldt; Northwestern Interior Mendocino; Northern Lake; Western Lake |
| Effective: Apr 18 1:22 am |
Expired: Apr 18 8:00 am |
Duration: 6 hrs 38 mins |
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| Trinity County |
 FREEZE WARNING (2 updates) |
| Areas affected: Southern Trinity; Northwestern and Central Trinity; Northeastern Trinity |
| Effective: Apr 17 7:10 pm |
Expired: Apr 18 3:15 am |
Duration: 8 hrs 05 mins |
| Areas affected: Southern Trinity; Northwestern and Central Trinity; Northeastern Trinity |
| Effective: Apr 18 1:22 am |
Expired: Apr 18 8:00 am |
Duration: 6 hrs 38 mins |
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