Technical grid specifications

Weather.gc.ca GRIB database

Grid specifications
Table lists the values of various parameters of the low-resolution polar-stereographic grid
ni	132
nj	95
resolution at 60° N	60 km
coordinate of first grid point	27.203° N 135.213° W
(i,j) coordinate of North Pole	(50.6, 111.3)
grid orientation (with respect to j axis)	-111.0°

There is also a formatted html file (ASCII, in an easy-to-remove html wrapper) containing geographical coordinates for each grid point.

Grid specifications
Table lists the values of various parameters of the high resolution polar-stereographic grid.
ni	493
nj	399
resolution at 60° N	15 km
coordinate of first grid point	32.549° N 134.62° W
(i,j) coordinate of North Pole	(175.0, 399.0)
grid orientation (with respect to j axis)	-111.0°

There is also a formatted html file (ASCII with an easy-to-remove html wrapper) containing geographical coordinates for each grid point.

Grid specifications
Table lists the values of various parameters of the low-resolution lat-lon grid.
ni	181
nj	91
resolution	2.0°
coordinate of first grid point	90° S 180° E

Grid specifications
Table lists the values of various parameters of the high-resolution lat-lon grid.
ni	601
nj	301
resolution	0.6°
coordinate of first grid point	90° S 180° E

There is also a formatted html file containing geographical coordinates for each grid point.

Grid specifications
Table lists the values of various parameters of the high resolution polar-stereographic grid.
ni	247
nj	200
resolution at 60° N	30 km
coordinate of first grid point	32.549° N 134.614° W
(i,j) coordinate of North Pole	(88.0, 200.0)
grid orientation (with respect to j axis)	-111.0°

There is also a formatted html file (ASCII with an easy-to-remove html wrapper) containing geographical coordinates for each grid point.

Grid specifications
Value of parameters for the lat-lon grid for the low resolution ensemble grid
ni	144
nj	73
resolution	2.5°
coordinate of first grid point	90° S 0° E