First of all, I mean no disrespect by what I'm about to say. Just wanted to get that out of the way. Now I would like to point out some mistakes that were in your article.
First of all, Anonymous is not, nor will ever be the entirety of 4chan, a unified party of people, or representatives of said group. By definition, if someone is anonymous, this means that they would rather be unnamed, or unidentified. This being said, anon is not a big notorious group of hackers (another topic as well, hackers has nothing to do with anonymous) that deems it necessary to fight all things business against Julian Assange. Nor is the whole of anon dedicated to trolling the fuck out of a nine (eleven?) year old girl (lulz were still had). Anonymous is, and always will be, just a group of people that has no single minded view, will not follow other people, and most of all are not a unified, conformed group of certain idealogical principles.
tl;dr?: Refer to video:
http://www.youtube.com/watch?v=KJ4HSwb59IA&feature=related
Past the entire cheesy blockbuster like theme behind this video, the idea is there and is very correct.
Second of all, not all of 4chan is a single unified group of people intent on bringing about their own viewpoints on situations. While, yes, in essence everyone on 4chan is "anonymous" this is only because of the fact that they feel no need to identify themselves and perhaps can do certain things that you cannot do when you have the constant pressure of being judged by others. As faux news referred to 4chan: "an internet hate machine", you inadvertently are joining faux news' perspective on anonymous and 4chan.
Thirdly, the plan has made a slight logical error. They choose to attack weather channels, the goal? To stop the snow...in essence this is what the plan is. "HURR DERR LET'S ATTACK A MEDIA SITE THAT GIVES US INTEL ON WHAT MAY HAPPEN SO THAT THE SNOW WILL STOP!". Basically, this is an "what is this? I don't even" moment. It escapes all boundaries of logical limitations. Honestly, the weather channel and affiliates are only reporting on what the weather will be like. "Snow will be here, rain here, tornadoes possible here" so on and so forth.
SO GREAT if you destroy the weather related media but hey when you wake up to find an unexpected eleven feet of snow covering your house, well you'll wish you prepared won't you?
Finally, another slight logical error here. If you are fighting wearing coats, boots, gloves etc. because you want to show that snow cannot dictate what you wear, then why are you following what these guidelines are telling you? "don't wear jackets because the snow want's you to. But that means you have to follow me now, so don't wear jackets because I don't want you to".