Issued Zones: All Desert Locations … Los Angeles and San Bernardino Mountains … The Inland Empire from SBD/Fontana/Ontario/Riverside/Corona … San Gabriel, San Fernando, and Santa Clarita Valley … Eastern Ventura County and Malibu …
Site: Southern California Weather Force has issued a Santa Ana Wind Watch
Date: 3/23/18 at 8:40am PT
When: Monday evening through Tuesday
Forecast: First I will get into later Saturday but mostly Sunday in all desert areas. I’ll merge this watch so I don’t have to overlap advisory/warnings but it will be very gusty this weekend in all mountain and desert locations, with the highest wind gusts across Barstow at 50+ mph on Sunday.
With any-case, this Santa Ana Wind Watch is for Monday evening through Tuesday evening. During that time-period an inside slider will move to the east of Southern California.
A strong upper level jet will bring gusty winds out of the north across the entire watch area. Because the support is there in the mid/upper levels it will transfer the energy down to the surface and thus all desert locations have been issued this watch, including rare pattern zones in the Coachella Valley where I expect these winds to surface as well.
Wind gusts over 35-55 mph will be likely in all the watch affected areas between Monday evening and Tuesday, waning by mid-week.
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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.