Santa Ana Winds Drive Southern California Fires
The Wall Street Journal|January 09, 2025
The devastating fires across the Los Angeles region are driven by Santa Ana winds that blow from the deserts of interior California and Nevada out to the Pacific Ocean. Santa Ana winds are feared by Califor- nians because they are fast- moving, dry and extremely warm conditions that can turn a tiny spark into a raging blaze that is difficult to control.
ERIC NIILER
Santa Ana Winds Drive Southern California Fires

How do Santa Anas form?

These winds occur in the fall and winter when a high pressure system develops in the Great Basin of the interior West as a low-pressure system sets up just off the Pacific. The difference in pressure creates the winds. The winds move in the opposite direction of the normal onshore flow that car- ries cool, moist air from the Pacific Ocean into the region.

What causes the wind speed?

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Denne historien er fra January 09, 2025-utgaven av The Wall Street Journal.

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