The Science of the Santa Ana Winds

The Santa Ana Winds, legendary in Southern California and at times deadly (particularly when combined with wildfires) are a phenomenon unique to the area.

The hot, dry Santa Ana winds are a well-known phenomenon in Southern California that can contribute to the cause and spread of wildfires in the region.
The winds sporadically blow from the eastern deserts to the Pacific during the autumn and early winter, reversing normal wind patterns in the region and warming the normally cool coastal region.
Although most believe the winds' temperature comes from the desert heat, Santa Anas actually develop when the desert is cold, peaking in December, although they can continue through March.

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