Isaac from T.Rex Arms with perhaps the best comms 101 I’ve seen on the internet: basic, concise, and enough to put together a plan and get started. It covers HF, HAM, IBB, MURS, GMRS, FRS, and more.
Communications knowledge and plans are often overlooked because it is a broad subject with information overload but arguably the most important skill and ability to have in an emergency situation. People have a tendency to find it confusing or boring, but this video is interesting and informative.
When a storm hits there is a good chance the cellphone towers will get overloaded with calls and text and be unusable, especially if the power goes out. Get together a PACE Plan for communications for just such an event.