December 17, 2015 at 11:01 am

Saturday Storm System: Thunderstorm Risks Showing Up For Metros; Mountain Snow

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A storm system now impacting the Pacific Northwest is being watched, which will drag a front through the Pacific Ocean and into Southern California on Saturday, producing a quick round of rain, mountain snow, and even the risk of thunderstorms in the metro areas.  Read on for details, don’t just look at the graphic, click over to the site.

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Oregon and Washington are being pounded right now and this same system will move into the Vandenberg/SLO regions on Saturday morning, spreading into Los Angeles by the later afternoon or early evening hours … times negotiable right now.  If you have morning/afternoon plans, areas from Ventura, Santa Barbara, Kern, and San Luis Obispo will have the activity, with Los Angeles either late afternoon or early evening.

This quick moving front at the time is classified as a moderate type front with isolated thunderstorm potential along it.  Wind gusts with it will not be in any advisory strength so this is not an issue along the immediate front for the metros.  It could be classified as a Category Two on Friday and named Pacific Storm Diane if the trends of today continue to show up as such.

The system at the current time has a pretty strong upper divergent profile on Saturday across the front.  Right now the cutoff for isolated thunderstorms is San Diego, with areas north of there seeing the better chances for them.  However it could change so keep tuned to updated forecasts on the system.

Our model is showing isolated thunderstorms along the initial front, showing up over the bight (Island region) and moving through the metros of Santa Barbara, Ventura, San Luis Obispo, Los Angeles, Orange, and the Northwest section of San Diego County … east into the Inland Empire and north across the Los Angeles Mountains, Antelope Valley, and part of the Victor Valley forecast zones.

This solution can change and for thunderstorms to form along the front this solution must stick through tomorrow.  Any further north in the trough axis and thunderstorm risks will be removed.  For now they have been added in an will monitor the system.

Snow levels with this will be between 4,000 and 5,000 FT. and a quick round of snow-showers will be possible with this.

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