Pacific Storm Andreas Detailed Impact Forecast Through Thursday



Pacific Storm Andreas is curving toward the forecast area and widespread thunderstorms have formed in the Western forecast zone and widespread storms are expected right down the central forecast area as well today and overnight tonight into Thursday morning so read on for the latest forecast.

Widespread thunderstorms have formed in the Santa Barbara County areas as of this morning and gaining strength.  Prompted a thunderstorm watch to be issued here at Southern California Weather Force covering those two counties and the Kern County Mountain/Valley areas as well with divergence moving through today.

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A dryslot is making drier conditions, however very humid across the Orange and Los Angeles County zones today and this looks to be the case for today.

But further east is the secondary , most powerful section of Andreas.  The upper level divergent section of the storm will form today and go through the entire night for a section of the forecast area.  Look below at the images to get a caption of these zones.  What will happen is the Baja, Mexico Mountain areas will explode this afternoon, sending outflow fast to the north-northwest and this should rip open the divergent band, including the Imperial Valley areas.  Additional watches will be needed for this.

A full on light show will hit the forecast region tonight anywhere centering the San Diego, Riverside, and San Bernardino Mountain areas … north into the High Desert over and east of Lucerne Valley and east into the Coachella Valley and Morongo Basin forecast zones.  This is a very large light show so get those cameras out.  If the divergent band is off by 25 miles to the west … the San Diego area would see storms directly overhead and this is being watched right now … north into the Inland Empire.  Still thinking the NNW flow would bring outflow into the Eastern Inland Empire even today for storm activity.

Areas centering Los Angeles County will likely see thunderstorms overnight tonight.

Tomorrow (Thursday) would have the upper level low into San Luis Obispo … BUT with the low/mid level low detaching from Andreas and moving right over the Inland Empire … storm activity would be from east to west over the LA Mountains and this could shove activity into the Northern LA Valleys surrounding the Santa Clarita Valley and Ventura Valley zones.   A lot going on with Andreas and frequent updates will happen in the member section.  We have the radars coming online with lightning/radar data and they are lighting up for this event.

Widespread lightning show through later today, tonight, into Thursday morning …


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