USAP McMurdo Station (NZCM) site lat/lon = (-77.8500,166.7100) cell lat/lon = (-77.8503,166.7122) Forecast initialized at 2026-10-17/12 UTC MPAS cell scale: 0.9 km FCST UTC UTC T Td Altim Spd Gust Dir Grid VVV RH1RH2RH3 T1T2T3 ACCUM HR DAY HR (C) (C) (in Hg)(kts)(kts)(deg)(deg) (*) (% wrt water) (C) (*) 0 17 12 -17.2 -21.7 28.73 3 3 131 298 020 69 55 55 -13-13-13 000 1 17 13 -23.7 -23.7 28.74 6 6 91 257 -003 92 52 50 -14-13-14 000 2 17 14 -22.1 -25.2 28.73 6 6 74 240 000 78 42 59 -15-14-15 000 3 17 15 -16.1 -23.8 28.72 10 13 68 235 -007 49 45 79 -13-13-14 000 4 17 16 -14.5 -22.2 28.70 10 16 58 225 009 50 46 80 -12-12-13 000 5 17 17 -12.7 -20.7 28.70 10 15 52 218 003 48 52 86 -13-12-13 000 6 17 18 -12.1 -20.5 28.69 11 16 58 225 001 47 48 85 -12-13-13 000 7 17 19 -12.2 -19.6 28.68 9 11 54 221 000 52 56 87 -13-13-14 000 8 17 20 -11.5 -19.1 28.69 6 19 62 229 -003 53 64 96 -12-13-14 000 9 17 21 -11.8 -16.6 28.67 5 9 68 235 -004 73 77 94 -13-14-14 000 10 17 22 -11.5 -15.5 28.67 5 14 50 217 001 79 83 89 -12-13-14 000 11 17 23 -10.5 -14.6 28.65 3 16 78 245 -002 78 87 92 -12-12-13 001 12 18 00 -9.6 -13.8 28.64 5 15 109 276 002 76 81104 -11-12-13 003 13 18 01 -9.2 -13.1 28.64 6 14 112 278 -004 78 85105 -11-12-13 003 14 18 02 -8.8 -12.3 28.63 5 14 80 246 -009 81 92 97 -10-11-12 014 15 18 03 -7.9 -12.4 28.62 5 20 119 286 -002 73 84110 -9-10-12 014 16 18 04 -7.8 -11.9 28.62 7 18 85 252 015 75 81107 -9-10-11 000 17 18 05 -6.9 -12.6 28.61 12 24 121 288 018 63 76103 -8 -9-11 000 18 18 06 -7.4 -11.9 28.59 12 25 80 247 -015 71 77 97 -8 -9-10 000 19 18 07 -7.9 -11.6 28.58 15 29 66 232 000 77 83 91 -8 -9-10 000 20 18 08 -7.8 -11.0 28.57 16 29 85 252 001 81 76 83 -8 -9-10 000 21 18 09 -7.6 -10.5 28.60 14 33 102 269 -008 83 89 94 -8 -9-10 000 22 18 10 -7.7 -10.3 28.61 11 31 68 235 001 85 95114 -8 -9-10 000 23 18 11 -7.8 -9.8 28.61 14 29 78 245 -005 92 96 99 -8 -8 -9 000 24 18 12 -7.8 -9.7 28.60 14 22 73 240 013 92 94 97 -7 -8 -9 000 25 18 13 -7.1 -9.7 28.59 19 34 77 244 011 86 90 90 -7 -8 -9 000 26 18 14 -6.9 -9.6 28.61 19 40 98 264 010 85 91 84 -7 -9-10 000 27 18 15 -8.0 -10.6 28.64 19 38 109 275 -014 86100 95 -9-10-11 000 28 18 16 -8.4 -11.2 28.65 14 33 87 254 010 85 93114 -9-10-11 000 29 18 17 -8.5 -10.9 28.66 16 37 106 272 -012 89 98111 -9-10-11 001 30 18 18 -8.4 -11.7 28.68 22 40 159 326 -016 81 94116 -9-11-12 002 31 18 19 -8.8 -12.0 28.71 20 39 151 318 -020 82 97117 -10-11-12 000 32 18 20 -9.0 -12.3 28.73 22 40 150 317 -058 81 94116 -10-11-13 002 33 18 21 -9.3 -12.5 28.73 25 43 159 325 -043 82 93106 -10-11-13 002 34 18 22 -9.2 -12.3 28.76 25 40 163 330 -002 83 96116 -10-11-13 004 35 18 23 -9.2 -12.6 28.77 27 41 158 325 013 81 94112 -10-11-13 002 36 19 00 -8.9 -12.4 28.79 24 39 154 321 013 80 93116 -10-11-12 000 37 19 01 -8.6 -12.3 28.81 23 37 151 317 005 78 90116 -10-11-12 000 38 19 02 -7.7 -11.5 28.81 23 40 152 319 -033 77 88116 -9-10-12 000 39 19 03 -7.7 -11.9 28.80 29 46 163 329 -134 74 85 80 -9-10-11 000 * NOTES on units: VVV (vertical velocity) is given as tenths of a microbar per second at 700 hPa, with positive values indicating upward motion; ACCUM (accumulated precipitation, past 3h) is given as hundredths of a millimeter; RH1, RH2, and RH3 are the % RH at the surface, 1000', and 3000', respectively; T1, T2, and T3 are the temperatures at 500', 1000', and 1500', respectively. Gust is estimated according to the NCEP HRRR gust algorithm.