Heat advisories, wind advisories, and red flag warnings are in effect as of the morning of Tuesday, October 28th across Southern California. The broad jet stream trough that lingered over the West for much of October has shifted east, and expelled the rainy pattern.
In the meantime, a strong high pressure regime has begun building from the northern Rockies southward into the Great Basin. This high combined with a Pacific trough of low pressure lingering off the California coast has brought a resurgence of the Santa Ana wind pattern.
Warm, dry, and breezy Tuesday and Wednesday as a weak Santa Ana wind event takes hold. A Heat Advisory is in effect for the valleys and inland Orange County Tue-Wed. pic.twitter.com/yJe0HABg7I
— NWS San Diego (@NWSSanDiego) October 27, 2025
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Source www.theweather.com
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