It has been nearly two decades since the FAA/NWS began a formal effort to move away from what was officially called the Traditional Alphanumeric Code (TAC) AIRMET. In fact, this article I wrote about this subject was published in the January 2006 issue of IFR magazine. Graphical AIRMETs (G-AIRMETs) were introduced in 2008 as the replacement for the legacy AIRMET as discussed in this November 2008 article I also published in IFR magazine. It wasn't until March 16, 2010, th