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Setup of the MM5 (version 3-6-1) modeling domains with horizontal resolutions of 27 (D01), 9 (D02), and 3 km (D03) and 36 full-sigma levels in vertical (first half-sigma level at 0.9985):

Grid dimensions:
D01: 90x90x35
D02: 121x133x35
D03: 142x100x35

Physics options used:
Moisture: Simple Ice
Cumulus parametrization (D01 only): Grell
Boundary layer scheme: Eta
Radiation: Cloud radiation scheme (Dudhia)
Surface scheme: Five-Layer Soil model

The latitudes and longitudes of the domain corners are:
Domain 1 (centered at 36.50 N, 120.65 W)
NW 46.654 N; 136.88 W
SW 25.023 N; 132.19 W
NE 46.603 N; 104.06 W
SE 24.989 N; 108.85 W

Domain 2
NW 42.172 N; 126.53 W
SW 31.356 N; 125.61 W
NE 42.067 N; 113.09 W
SE 31.270 N; 114.26 W

Domain 3
NW 34.955 N; 121.29 W
SW 32.274 N; 121.26 W
NE 34.873 N; 116.60 W
SE 32.196 N; 116.76 W

Eta input:
Grid 212 (40 km) AWIP3D