AMPS Grids (as of 12 UTC 10 Oct 2017)

older configurations:
2013-05-30
2013-04-08

Map Projection

• Polar Stereographic projection; projection centered at S. Pole
• Orientation Longitude: 180.0° E
• True Latitude: 71.0° S

Grid 1 (24-km Outer grid)

WRF staggered grid:
dimensions: 413 x 545
lower left lat/lon (i.e., lower left corner of lower left mass grid cell): -24.5321121 N, 38.3598328 E
upper right lat/lon (i.e., upper right corner of upper right mass grid cell): -21.6470909 N, -144.017624 E
WRF mass grid:
dimensions: 412 x 544
lower left lat/lon (center of lower left mass grid cell): -24.6424694 N, 38.3457031 E
upper right lat/lon (center of upper right mass grid cell): -21.753233 N, -144.035767 E

Color-fill terrain, showing subgrids	Color-fill terrain, no subgrids	Blank map, showing subgrids	Blank map, no subgrids
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Grid 2 (8-km Continental grid)

WRF staggered grid:
dimensions: 835 x 787
lower left lat/lon (i.e., lower left corner of lower left mass grid cell): -50.639679 N, 49.7697754 E
upper right lat/lon (i.e., upper right corner of upper right mass grid cell): -48.0744934 N, -136.171112 E
WRF mass grid:
dimensions: 834 x 786
lower left lat/lon (i.e., center of lower left mass grid cell): -50.6858902 N, 49.7758789 E
upper right lat/lon (i.e., center of upper right mass grid cell): -48.1201019 N, -136.172516 E

Color-fill terrain, showing subgrids	Color-fill terrain, no subgrids	Blank map, showing subgrids	Blank map, no subgrids
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Grid 3 (2.67-km Ross Sea grid)

WRF staggered grid:
dimensions: 676 x 1036
lower left lat/lon (i.e., lower left corner of lower left mass grid cell): -80.5123672 N, 59.7067261 E
upper right lat/lon (i.e., upper right corner of upper right mass grid cell): -67.9043274 N,-157.857666 E
WRF mass grid:
dimensions: 675 x 1035
lower left lat/lon (i.e., center of lower left mass grid cell): -80.5291443 N, 59.7334595 E
upper right lat/lon (i.e., center of upper right mass grid cell): -67.9197998 N, -157.875031 E

Color-fill terrain, showing subgrids	Color-fill terrain, no subgrids	Blank map, showing subgrids	Blank map, no subgrids
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Grid 5 (0.89-km Ross Island grid):

WRF staggered grid:
dimensions: 769 x 901
lower left lat/lon (i.e., lower left corner of lower left mass grid cell): -80.3231735 N 142.587982 E
upper right lat/lon (i.e., upper right corner of upper right mass grid cell): -74.9791107 N -178.410034 E
WRF mass grid:
dimensions: 768 x 900
lower-left lat/lon (i.e., center of lower left mass grid cell): -80.3223953 N 142.622009 E
upper-right lat/lon (i.e., center of upper right mass grid cell): -74.9832611 N -178.425171 E

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Grid 6 (2.67-km Antarctic Peninsula grid):

WRF staggered grid:
dimensions: 652 x 571
lower left lat/lon (i.e., lower left corner of lower left mass grid cell): -70.326149 N, -31.1636658 E
upper right lat/lon (i.e., upper right corner of upper right mass grid cell): -63.9592133 N, -83.6137085 E
WRF mass grid:
dimensions: 651 x 570
lower-left lat/lon (i.e., center of lower left mass grid cell): -70.3301926 N, -31.2124939 E
upper-right lat/lon (i.e., center of upper right mass grid cell): -63.9695396 N, -83.5842285 E

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