Southern California Weather Force has issued a Winter Weather Advisory effective for the Eastern half of the Inland Empire, including the Orange County sections of the Ortega Highway effective from 8pm tonight through 3am Sunday morning as the snow-level will drop to 2,600 feet for sticking, 1,600 FT for sticking on grass surfaces, and to 1100′ for a mix of snow/sleet/ice so read on for details …
The storm system is west of here and moving toward the population centers of the advisory area in terms of the central cold core. This central cold core is showing an active center on satellite images, which matches the Thunderstorm Watch already in progress.
Click here for that watch – https://www.southerncaliforniaweatherforce.com/2023/02/24/thunderstorm-watch-issued-for-metro-southern-california-zones-ahead-of-strongest-part-of-the-raiden-storm-pattern/
As the central core moves in tonight, the snow-levels will bottom out. Sticking snow will be the result at the 2500′ level, which puts Banning in that zone. Southern California Weather Force snowfall maps for road surface sticking snow is at that level. Non road surface sticking snow will be to 1600 FT, which puts a lot of the Eastern Inland Empire under actual snowflakes falling and a mix down to about 1000′.
Due to the thunderstorms that will form with the system, a weakening of them will still have their downdrafts intact across the advisory area, thus this will be enough to bring wintry precipitation. Snow accumulations will only be possible above 2,000 FT, with the rest of you seeing the snow falling but not accumulating.
LONG RANGE: The last of the current Raiden Storm Pattern will be toward the 1st day of March, in-which renewed precipitation will hit again, along with pass level snowfall. We take a break from then before renewing a separate storm pattern around March 5th onward.
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