San Diego

Slight relief expected as San Diego County reaches day four of heatwave

High stress will preserve warmth alerts in play via Thursday with cooler temps expected to return by the weekend.

Thursday marks day four of the warmth wave gripping our county, nevertheless, there’s a little relief in sight. After a record-breaking Wednesday for the deserts and mountains, excessive stress will nonetheless trigger extra warmth the additional east you might be. Deserts will nonetheless be as much as 10 levels hotter than common

A Heat Advisory stays in impact for the inland valleys and mountains till Thursday. That’s additionally the identical expiration for the Excessive Heat Warning for the desert. Please keep in mind lightweight, light-colored, loose-fitting garments will enable you to beat the warmth. You are additionally suggested to drink loads of water. If it’s important to be exterior, search shade, keep away from strenuous outside actions through the noon hours and by no means depart youngsters and pets unattended in autos. 


The marine layer began to roll in early Wednesday night. This would be the case via Thursday morning. This will assist temperatures proceed to progressively slip, west of the mountains, as the low clouds and patchy fog stretch from the coast and into components of the valleys. A creating coastal eddy will deepen the marine layer Thursday night time via Friday morning as cool temperatures much more. 

The surf will stay elevated via Thursday because of the passage of Tropical Storm Hilda (post-tropical by Thursday) transferring west-northwest over the Eastern Pacific. Expect units as much as 6 toes alongside our county’s North County shoreline and south-facing seashores in Orange County. Strong rip currents may even be a hazard.

We should not speaking about monsoonal moisture this week. The constructing ridge will carry again the trifecta of scorching temps, dry air and breezy afternoon and night winds. Expect elevated hearth climate circumstances, particularly within the desert.

From Friday via Sunday, a trough of low stress from the Pacific Northwest will sweep via the west. This will deepen the marine layer and spark a stronger onshore stream with noticeably cooler temperatures, even under seasonal for some inland spots, countywide into the beginning of subsequent week.

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