California Faces Unprecedented March Heat Wave Amid Winter
California Faces Unprecedented March Heat Wave Amid Winter
US · Published Mar 18, 2026
California experiences an unprecedented March heat wave with temperatures reaching 100°F (38°C).
The heat wave is linked to a powerful Kona low in Hawaii, driving warm air across the Pacific.
Meteorologists attribute the extreme heat to climate change effects, including Arctic amplification and dry soils.
California faces intense, unusual heat wave in March
California is experiencing an unusual and intense heat wave in March, with temperatures reaching 100°F (38°C) in some regions. This event is connected to a strong Kona low near Hawaii, which is driving warm, moist air northward over the Pacific Ocean. As this air ascends, it releases heat into the atmosphere, contributing to a high-pressure ridge that intensifies the heat across California. Cities in the Bay Area are breaking daily temperature records, underscoring the severity of this winter heat wave.
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