A storm system dropping into the Intermountain-West will bring thermal support, with extremely cold temperatures in the Great Basin. This will work with upper support to bring a Santa Ana Wind Pattern into the area. As stated earlier, this update is the official Long Range Weather Advisory.
So, if you have Christmas decorations, take them in.
There is a 100% chance that the electric companies will shut your power off for this event, even if they don’t say it now because it is a long-range update that they should have warned of. So, if you live in an area that it has happened before, especially the Santa Clarita Valley, you need to prepare for plans being changed.
Raiden Storm
Master General Meteorologist