Either he has uncanny understanding of weather or he just loves the game of weather so much, but if there is anyone better I have never seen em.
One of the main factors as to why Joe knows so much and understands so much is that he as been studying the recorded weather history since he was a young boy. These include histories of weather patterns, storms, and the weather in general since the first reliable recorded data was archived.
He then uses this phenomenal amount of information to form what are called the "analogs." These are common (and sometimes uncommon) repeating patterns that have manifested themselves in history. From these he can often predict what is coming "next" and the hows and whys of it, often far better than the latest computer based models.
As a made-up example, he will say in the middle of the winter: "This January and February are going to be like they were in 1965 for the East Coast because this Summer in the ridge stayed over the Rockies for 3 months like it did in the Summer of 1965." He is using the analogous behavior of the current year to the same patterns that he saw recorded (or in some cases remembers from his own experiences) from the past.
He is definitely a sharp guy.
To do most anything best it can be done often requires to let that be your life.
Happy he’s back in public at least on his Saturday online show.