Characteristics of Northern
Hemisphere Ridges and Troughs
•
Ridge
–
Warm Core
–
Anticyclonic
(negative/clockwise)
relative vorticity
increases with height
–
High tropopause
heights
•
Trough
–
Cold Core
–
Cyclonic (Positive/
–
counterclockwise)
relative vorticity
increases with height
–
Low tropopause
heights