@Rain Cold @SD @Myfrotho704_ @GaWx
Have any of you (or others) figured out what it is that leads to constant H5 cool season trough anomalies in the SW? Even poleward areas like the PNW or Alaska can sustain decent ridging for a time with no problem. Yet there is always some type of trough carving out of the SW area and prolonging there ... even during the otherwise +PNA patterns through this winter (i.e. hence the "positive tilt" that probably was key in limiting performance/extent of Jan 21-22 and Feb 4-6 winter systems).
Just stating as it is a tendency I observed that could correlate w/ Southern US winter weather patterns, and I wasn't sure if it was discussed on these wx sites in the past. I have never directly participated on a wx forum until this year I joined ... but I have lurked such sites, as well as look through runs on places like tropicaltidbits, ever since late high school/early college high school (~2014-2016).
*Note: by "SW," I'm including the entire area from the Pacific of California to the Desert Southwest, and south to Mexican Baja and Sea of Cortez areas.