I suggest you guys read though some of these...especially the seasonal guys.
https://simonleewx.com/2023/08/09/north-american-weather-regimes-a-summary-so-far/#:~:text=The regimes data are available on Zenodo.,with unusually warm conditions across North America
I know Bluewave and some others already have. I'm going to go through these before I begin my seasonal work next month.