3.2 - The dynamic tropopause module
How to pratically use the «dynamic tropopause» (1.5 PVu surface) :
- Upper level PV positive anomaly <=> Z1.5PVu low anomaly ; the synoptic vertical motion settles around these areas of minimum of Z1.5PVu.
- see animation :Z1.5PVu (red), jet (coloured areas)ascending motion (green)descending motion (blue)