For the moment, I'd take it with a grain of salt - not worth worrying about. Performance of long-range models beyond about 5 days is very poor, and the only long range model in the public domain is the GFS - which has not been stellar this season. This year it has failed at 2 or 3 days, let alone 12. Could it happen? Well anything is possible, but will it verify - not likely at all. Remember, the models are just a guide to the forecaster - they are not the gospel. Sometimes an experienced forecaster will see things that the model has missed or didn't put the proper significance on. If the system even survives, in about a week (or less) the GFS will have the storm going someplace else. I'm not a betting man, but I'd bet on that!
Cheers,
ED