Issued Zones:  Eastern San Bernardino and Riverside Deserts, including San Diego and Imperial Deserts … Kern Valleys … The Inland Empire … Los Angeles to SCV/SFV and San Gabriel Valley … Entire High Desert from the Victor Valley, Lancaster, Ridgecrest, and Fort Irwin … Inner San Luis Obispo and Santa Barbara County … Eastern Ventura County Basin … Northern Orange County Basin …

Site:  Southern California Weather Force has issued a High Heat Warning and Heat Advisory effective Wednesday through the weekend and into this next week …

Date:  7/9/19 at 8:20am PT

Forecast: The monsoon ridge-axis will move over the region starting on Wednesday into Thursday.  This will last through the weekend and into this next week.  Temperatures as a result will skyrocket to above normal temperatures across the area.   There will be the risk of shower and thunderstorm activity in the mountain and desert areas with incoming mid-level moisture.  This was projected on the official SCWF July 2019 forecast update (click here) –  

High Heat Warning Zones – 108-118F – Eastern San Bernardino and Riverside Deserts, including San Diego and Imperial Deserts … Kern Valleys …

Heat Advisory – 95-105 – The Inland Empire … Los Angeles to SCV/SFV and San Gabriel Valley … Entire High Desert from the Victor Valley, Lancaster, Ridgecrest, and Fort Irwin … Inner San Luis Obispo and Santa Barbara County … Eastern Ventura County Basin … Northern Orange County Basin …

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10 mile rule:  These alerts issued on this site means that within your zone and 10 miles from you will see the event forecast for.  You may or may not see the event but it means you are in the zone or 10 miles from where someone will.

Forecaster: KM