Pacific Storm Ingrid has officially been declared here at Southern California Weather Force, hitting later Thursday and into parts of Christmas Eve. A Flood Watch has been issued for most of the populated Southern California zones so read on for details …
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The first system during the last half of the Martin Storm Pattern of December 2021 will hit later on Thursday and into Christmas Eve, mainly hitting during the overnight and morning hour periods for the metros. This system already is gathering a lot of deep-layer moisture. This means that heavy rain is possible as far as the Coachella Valley and into the High Desert areas as well. You all have been included in the official flood watch.
The snow-levels will be high with this system, all part due to the tropical moisture nature of it. The system will be fueled by the tropical jet, not the polar jet, thus the Flood Watch has covered all of the mountain regions of the forecast area. There will be gusty winds with the storm system’s passage, but not as gusty in the metro areas as was with the last storm, Major Pacific Storm Hunter. This would lessen the category down and have the category three be issued due to the flood risk potential being on the higher side. However, the mountain/desert regions will have the gustier winds due to mountain wave activity. In fact, on Wednesday evening, look for those lenticular clouds downrange of the mountains in the desert areas and even the Kern Valley zones as Mt. Pinos would provide the dynamics there for them. Should be a good evening to get some great pictures, so you photographers enjoy that one.
Another system behind Ingrid will move through on Christmas Day or Night. I have yet to figure that one out, but if overnight, then Christmas should be on the drier side. Sunday would be the focus for this one to move through, dropping snow levels to 4800′ with wet non-sticking snow down to 3800′ in the Kern County Mountains. This is not enough for the Gorman Pass to fully be affected, so I do not anticipate travel issues then.
LONG RANGE: Next week however, especially closer to end month and beginning January, the Hawaiian ridge finally shoves back eastward and this would arc the polar jet into the region. It is very possible this is when the arctic air mass finally comes down into Southern California and gives us the coldest/wettest storm of the season thus far that I’ve been waiting for on the prediction it had to happen sometime this month… but I’ll take 2-3 days error into January as well… just as long as it happens.
I do calculate anywhere from 2.75 to 4.00″ of additional rainfall in Downtown Los Angeles between this week and end month. We should end the month at between 5-7″ of rainfall, which is well and way above average, as the December 2021 SCWF Forecast stated ( Click Here )
Now, we have been getting arctic blasts, those nights have been well below average out there, even without storms. The High Desert had numerous Hard Freeze Warnings from me this month and through end this month should be even colder. We could easily see snow-levels below 2,000 FT at the end of this Martin Storm Pattern, question is… will a storm enter the pattern when they do get that low … …
A Martin Storm Pattern means that the pattern was predicted before apps or government/private sources, and since my last name is Martin, like a person who discovered a comet, it is only fair this coming pattern is the Martin Storm Pattern of December 2021. There will be MANY Martin Storm Patterns due to my ability to go longer range in weather.
If you do have plans to travel during that time, I would suggest continuing to monitor the latest forecasts here at Southern California Weather Force, however you get them, either by the member email alert system, social media, or checking the main website daily for updates. The ABOUT section of this site will tell you all you need to know about it for navigation. Click here to read the about section.
OFFICIAL issued Southern California Weather Force Alerts by location – Valid Thursday into Friday December 23-24, 2021
Flood Watch – San Luis Obispo, Santa Barbara, Ventura, Los Angeles, Orange, San Diego County … The Inland Empire … All Mountains except Kern County … The High Desert … Morongo Basin and Coachella Valley …
There are 10 counties in the Southern California Weather Force forecast area and I cannot write about each micro-climate sector in this article. I however can show you the images in the SCWF model suite and you will need to know where you are on a map to read them. Everyone should know where they are on a map so this is no excuse.
The maps below are of flood, rain, snow, snow-level, or wind intensity, whichever is available now. Each one is clickable. Map 1 is NW SoCal, Map 2 is SW SoCal, Map 3 is SE SoCal, Map 4 is NE SoCal, Map 5 is the Cajon Pass, and Map 6 is the SCV region, which includes Gorman at the top.
GET TO KNOW YOUR MAP BECAUSE THESE NEVER CHANGE LOCATIONS
Flood Risk – Valid later Thursday into Christmas Eve Day December 23-24, 2021
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This was a follow-up to the following articles – You can read them and see how this forecast is evolving from Day 1.
November 5, 2021
HOT TOPIC: 2021-2022 Seasonal Weather Forecast Released For Southwestern United States; Detailed Maps and Discussion Within
November 29, 2021
December 2021 Weather Pattern Forecast Outlook For Southern California; December Arctic Blasts and Storms
December 15, 2021
Long Range Weather Advisory Issued: Multiple Storm Set To Hit The Southwestern United States Starting December 21st and Going Through End Month
December 20, 2021
Stormy Conditions All Set To Last Through End Month Across Desert Southwest; Last Half of Martin Storm Pattern of December 2021 Starts This Week
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Southern California Weather Force is a custom weather alert service that began in September 1999 off and is regarded as the most accurate weather service in the region, offering custom alerts, maps, and models to help save life and property. The work done here is never 100% accurate, but it comes pretty close. Southern California Weather Force runs on zones, so if an event happens in a zone that is 10 miles from the border of your zone, the forecast is still valid to activate your zone’s alert system. A company quote to the public is that of “The Joker” and tells other agencies in weather this all the time… “This world deserves a better class of meteorologist… and I’m gonna give it to them”… out-forecasting even the National Weather Service with lead-time and precision, which makes this service a focus of ridicule and envy in the weather community due to having such accuracy. Alerts issued here are issued custom from this office and this office alone. You may not even hear it elsewhere, but if one is issued near or in your area, listen up because “if you do not wish to die in weather, follow, it’ll save your life one day.”
Raiden Storm