<br>hi everybody<br><br>how can i plotting thenĀ Potential Vorticity (PV) on 300mb ?<br><br>Is there anyone who could know how can i write that ?<br>thank you<br clear="all"><br><a href="mailto:fard792@gmail.com" target="_blank">fard792@gmail.com</a><br>
Alireza<br clear="all"><br><br>