Pete Draper has made an 11-part tutorial on creating a tornado using Particle Flow in 3ds Max.
Splice for 3ds Max
Fabric Software has posted a video of the upcoming Splice plug-in for 3ds Max.
Autodesk 3ds Max 2014 Service Pack 3
Autodesk have released Service Pack 3 for 3ds Max 2014 and 3ds Max 2014 Design.