Issued Zones: Riverside and San Diego Mountains … Eastern San Bernardino Mountains Big Bear … San Bernardino Deserts … JTNP … Kern Deserts … Cuddy Valley and Gorman Pass … Antelope Valley …
Site: Southern California Weather Force has issued a Weather Advisory effective today …
Date Issued: 8/13/23 at 10:15am local
Forecast: An upper-level low pressure center directly overhead will retrograde westward through today, bringing in a south to north flow with monsoon moisture for San Diego/Riverside/San Bernardino Mountains. The flow will switch to east to west across the High Desert/Kern/Antelope Valley/Gorman zones.
Showers and Thunderstorms will be likely within the advisory zones. Due to the arc of storms expected, there is a chance that Hesperia and Oak Hills will miss this, but Eastern Apple Valley will not. This is a pretty routine pattern.
LONG RANGE: The week of the 20th will bring a major increase in rain/thunderstorms, and the link for that is here if you missed it – https://www.southerncaliforniaweatherforce.com/2023/08/12/long-range-weather-advisory-issued-for-increase-in-storm-activity-august-20th-till-end-month-across-southern-california/
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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.
Southern California Weather Force is a custom weather alert service that began in September 1999 off and is regarded as the most accurate weather service in the region, offering custom alerts, maps, and models to help save life and property. The work done here is never 100% accurate, but it comes pretty close. Southern California Weather Force runs on zones, so if an event happens in a zone that is 10 miles from the border of your zone, the forecast is still valid to activate your zone’s alert system. A company quote to the public is that of “The Joker” and tells other agencies in weather this all the time… “This world deserves a better class of meteorologist… and I’m gonna give it to them”… out-forecasting even the National Weather Service with lead-time and precision, which makes this service a focus of ridicule and envy in the weather community due to having such accuracy. Alerts issued here are issued custom from this office and this office alone. You may not even hear it elsewhere, but if one is issued near or in your area, listen up because “if you do not wish to die in weather, follow, it’ll save your life one day.”