Can you guess along which line is this cross-section of isentropes cut? Look at the slope of the isentropes and choose the correct letter!

 

  F O P Q S  
 

 

 

 

 

 

Now that you have solved this question, you can look at this cross section in more details. Just follow this link and you will see what other meteorological parameters look like in the vertical in this part of the frontal system. You can overlay parameters on the isentropes cross-section and, by clicking on the i, you can get the information about the parameter you are looking at.