SoCalWeather.Net

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Feb 28, 2015
Cold and stormy weathetr today through Tuesday next week with several waves of moisture and cold air moving through the region. Look for period of brief heavy rain and low elevation snowfall at times as wel as thunderstorms popping up just about anywhere. Winter Storm Warnings are in affect for all our mountains areas, and major mountains passes like the Grapevine, Cajon pass and even interstate 8 in San Diego county could be affected by heavy snowfall at times, especially Saturday night.




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Second video shot and narrated by my passenger does have some brief foul language due to excitement so viewers advised.



These Videos were shot from Murrieta during the December 31st rare snow storm as it first began to hit southwest Riverside county just after midnight. This was shot driving n Clinton Keith road between the 215 and 15 freeways. By 9am New Years eve morning I measured 11.5" of snow off the Clinton Keith rd exit along the 15, and 15.5" of snow on the Santa Rosa Plateau to the west about 250 ft higher. By far the largest snow fall ever recorded in this region, the last measurable snow being in November 2004 which was about 2-4". Snow managed to stay on the ground for a full week after the snow storm, with traffic backed up for days due to surprised travelers playing in the snow.


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**Forecast:Saturday, February ,28th, 2015, 12:00am**

Finally have the site back online again and it should be good for at least the next 30 days. I'm having some funding issues hence the outages lately so any donations are greatly appreciated as always, the site is Pay Pal certified and you don't have to have a Pay Pal account to make a donation. Now onto the exciting stuff. While the site was down So Cal finally slipped back into winter with a nice storm last weekend dropping a foot of snow on our mountains and now another one of equal or greater strength about to move in this morning. Showers have begun to form along the foothills and mountains slopes late this evening and we will see a very slow increase in activity as we head past sunrise today as a cold upper low currently in Northern California drops down into our region just offshore by late this afternoon. Computer runs still are varying quite a bit on the exact amounts of rain and mountain snow that will fall between today and Monday morning, as very cold systems like this tend to be very showery and convective in nature with highly variable rain and snow amounts of as little as a mile. Overall though as the core of this low moves in and eventually right over us Saturday evening into Sunday showers will become widespread and heavy at times, and we actually have a good shot of thunderstorms just about anywhere Saturday night all the way through Sunday. So depending who gets hit by these thunderstorms will obviously determine which areas get drenched/snowed in and which areas get more of a gentle but ground soaking rain. Either way it'll be on and off with several waves of moisture moving through during the period, with the most likely time for heavy more frequent activity between sunset today and late Sunday morning.

The low should gradually move out of the region early Monday morning but depending how far south the core of the low makes landfall, there could be a considerable amount of wrap around snowfall in the San Bernardino county mountains and high deserts Monday morning, which is where I think the highest snow amounts will occur with this system. Snow levels early this morning will gradually drop to around 5500-6000ft by sunrise, then really take a dive late this afternoon down to 5000ft, before bottoming out around 4000ft Sunday morning and hovering in that area through the day. The snow level could drop to 3000ft at times during any thunderstorms so some snowfall in the high deserts is a possibility as well as upper communities of the IE but any amounts below 4000ft should be a dusting at best. Mountain passes like the Grapevine and Cajon pass could be affected by heavy snowfall and possible closures overnight Saturday into Sunday morning, then again Sunday night, but mainly affecting the Cajon pass at that time due to wrap around moisture.

Possible rain totals today through Monday morning once again will be highly variable but overall be between .50-1.25"+ west of the mountains with the highest amounts in the Inland Empire and near the base of the mountains. In the foothills and lower mountain slopes below the snow level 2-4"+ of rain is a possibility. For the high deserts look for .25-1.00", with mainly the San Bernardino county high deserts/Lucerne and Apple valleys seeing over .50" due to possible wrap around moisture. In the low deserts .15-.40"+. This storm will be a good snow producer since there is plenty of cold air to work with which will allow for good water to snow ratios up there above 5500ft, and especially at resort level. Overall 8-16"+ of snow is likely above 5500ft through Monday morning, with the highest amounts near 7000ft and in the San Bernardino and Riverside county mountains, as well as the higher peaks of the San Diego mountains, with lesser amounts likely in the L.A county mountains. In fact latest computer runs show possibly the heaviest snow possibly hitting Palomar Mtn and Mt Laguna with this event, wouldn't be surprised to see amounts on those peaks in the San Diego mountain exceed 16". Up to 2ft of snow could fall in the San Gorgonio wilderness above Big Bear above the 8000ft level. 4-8"+ of snow is possible between 4500-5500ft, with a few inches as low as 4000ft. Highs obviously below normal through the weekend with 50s and 60s west of the mountains and upper 20s and 30s for highs in the mountains. Lows in the upper 30s and 40s west of the mountains and 10s and 20s in the mountains.

We may see a brief break in the precip Monday afternoon, but one last weak short wave will drop down from up north into our region Monday night into Tuesday morning bringing a re reinforcing shot of showers and cold air and maybe even a few more thunderstorms, keeping snow levels nice and low near 4000ft, I think this second wave will mainly be a snow producer with several inches of additional snow possible above 5000ft through Tuesday morning with maybe up to .50" of rain west of the mountains in spots but mostly in the .25" or less range. Overall remaining unsettled through Tuesday with continued below normal high temperatures.

Skies should finally clear out Tuesday afternoon with a ridge of high pressure building int Wednesday into next weekend for fair and warmer days with highs near or just a tad above normal in the upper 60s and lower 70s west of the mountains and 40s and 50s in the mountains. Chilly clear nights in the 30s and 40s west of the mountains and lower 10s and 20s in the mountains. Looking into the long range it looks like the ridge of high pressure may get knocked down by another winter storm around the 10th of March or maybe a tad before, but how strong and cold it may be remains to eb seen as its still a ways out. Check back for updates and be sure to follow me on twitter!


Site Owner/Forecaster, Michael Mojarro
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Disclaimer: Socalweather.net is a privately run weather site and all forecast and possible advisories issued in no way are related to the National Weather Service or any government agency but from the sole guidance of forecaster Michael Mojarro, weather can not be controlled and all forecast are to be followed at your own will.