I recall a March 13 storm (no not 1993 lol) I think in 2017 where we had a similar situation and the 12k NAM was the only one that had sleet and mixing very far NW. Majority shrugged it off as being out to lunch. Guess which verified? Yep the 12k. Other mesos had a monster snow hit but the sleet line punched W all the way to near Harrisburg iirc. Not calling for a repeat just saying the mesos arent always right.