The mean temperature in the layer between 75kPa and 50kPa decreases eastward by 3K per 100km. If the 75kPa geostrophic wind is from the southeast at 20m/s, what is the geostrophic wind speed and direction at 50kPa?
Let f=10^-4 s^-1
I'm guessing that I'm supposed to use the equation for the...