Smoke Call Status:

Mon thru Fri excluding Holidays

Issued:

12:30 PM   Wednesday, January 14, 2026

Discussion - Thursday & Friday

Ridging will be the dominant weather pattern Thu and Fri. This means less daytime mixing and stronger overnight inversions based on the time of year. Transport winds will be variable but generally with a northerly and easterly flavor with localized steadier flows. The strongest horizontal air motion should occur during the overnight and morning hours. Ventilation will be in the poor to locally moderate category with a stagnant airmass likely developing.

(mph)

(ft AGL)

Thursday Afternoon

Thursday Afternoon

Thursday Night

Thursday Night

Click on images to enlarge

Friday Afternoon

Friday Afternoon

Saturday - Monday

Ridging will be the primary weather pattern during this period. This means a continuation of lesser mixing, both day and night. The strongest horizontal air motion should occur during the overnight and morning hours, especially Fri-Sat and would be either easterly or northerly. Ventilation as a whole will remain in the poor to locally moderate category with stagnation continuing to build in an accumulative fashion.

Helpful Resources:

Air Resources Board

San Joaquin Air Quality

AirNow Fire and Smoke Map

North Zone Predictive Services Weather Page

South Zone Predictive Services Weather Page

NWS California Fire Weather Page

NWS Spot Forecast Request

This Product was developed by the Predictive Services group, located at the North Zone Coordination Center in Redding, California