From the image given below its clear that the warm is rising upwards and as a result of the collision from the cold winds or front from below, hence the development of clouds that make the thunderstorms appear.
And a result of this turbulent the rising air is pushed and the warm front cycle takes a turn and will lead to either development of cyclone or rainfall.
The full form of ATP is ANANTAPUR Indian Railway Station ATP
Ambient Temperature Pressure Chemistry ATP
All Trace Particles Chemistry ATP
Adenosine Tri-phosphate. But there are alot more :)
