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The GDPFS guidelines define verification domains for verification against analyses as "...the grid points within each area, including points on the boundary...". The following table provides the clarification how the rule applies on a regular 1.5°x1.5° grid.

Domain

GDPFS definition

List of grid points on a regular 1.5°x1.5° grid

Northern hemisphere extra-tropics90°N - 20°N, inclusive, all longitudes90°N - 21°N, all longitudes
Southern hemisphere extra-tropics90°S - 20°S, inclusive, all longitudes90°S - 21°S, all longitudes
Tropics20°N - 20°S, inclusive, all longitudes19.5°N - 19.5°S, all longitudes
North America25°N - 60°N, 50°W - 145°W60°N - 25.5°N, 51°W - 144°W
Europe/North Africa25°N - 70°N, 10°W - 28°E69°N - 25.5°N, 9°W - 27°E
Asia25°N - 65°N, 60°E - 145°E64.5°N - 25.5°N, 60°E - 144°E
Australia/New Zealand10°S - 55°S, 90°E - 180°E10.5°S - 54°S, 90°E - 180°E
Northern polar region90°N - 60°N, inclusive, all longitudes90°N - 60°N, all longitudes
Southern polar region90°S - 60°S, inclusive, all longitudes90°S - 60°S, all longitudes