Pacific Fisheries Environmental Laboratory

National Marine Fisheries Service
Southwest Fisheries Science Center
PFEL Live Access Server

Calculation Details and Differences

FNMOC 181 x 360 Monthly Mean Interpolated Sea Level Pressure and calculated Air/Ocean Indices

The air/ocean indices and upwelling indices are calculated in a similar way to PFEL's traditional 15-location coastal North American products (Bakun, 1973) with the following exceptions: