Recent content by Tim. S.

If a geostrophic wind of 30 m/s is observed in Christchurch, then what is the geopotential gradient in m/km at 500hPa required to maintain this wind? I tried to solve it by assuming that the geopotential gradient is the ratio of the geopotential height. Let P = 500 hPa = 500 x 10^2 Pa, R =...