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Radar valid at 200 pm PST, Jan 19th 2026

alert legend

CAZ016>019-192200-
/O.EXT.KSTO.FG.Y.0006.000000T0000Z-260119T2200Z/
Central Sacramento Valley-Southern Sacramento Valley-Carquinez
Strait and Delta-Northern San Joaquin Valley-
Including the cities of Fairfield/Suisun, Chico, Stockton,
Oroville, Modesto, Marysville/Yuba City, and Sacramento
1156 AM PST Mon Jan 19 2026

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 2 PM PST THIS AFTERNOON...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Carquinez Strait and Delta, Central and Southern
Sacramento Valley, and Northern San Joaquin Valley.

* WHEN...Until 2 PM PST this afternoon.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

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