Originally Posted by
rickair7777
Conditional language = PROB or TEMP. We used to consider BCMG as a conditional term but no more apparently (not sure if that's just us, or the FAA).
To answer my own question...
Aviation Weather Services AC 00-45G Change 1 no longer includes BCMG as one of the Forecast Change Indicator Groups for TAF's. Only FM, TEMPO and PROB are used. BCMG can still be used in area forecasts, just not TAFs.