USAP McMurdo Station (B165) site lat/lon = (-77.8471,166.6652) cell lat/lon = (-77.8442,166.6811) 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 -17.1 -21.6 28.73 3 3 131 298 018 69 55 56 -13-12-13 000 1 17 13 -22.1 -26.1 28.73 8 8 94 261 -004 82 50 50 -13-13-14 000 2 17 14 -21.2 -26.3 28.73 8 9 92 259 000 76 42 60 -14-14-14 000 3 17 15 -16.0 -24.3 28.71 12 16 84 250 -007 48 45 79 -13-13-14 000 4 17 16 -14.2 -22.3 28.70 11 17 74 241 008 48 47 79 -12-12-13 000 5 17 17 -12.6 -21.0 28.69 11 14 66 233 005 46 53 87 -13-12-13 000 6 17 18 -12.1 -20.8 28.69 11 16 72 238 003 45 49 85 -12-13-13 000 7 17 19 -12.3 -20.0 28.68 10 12 68 235 000 50 56 87 -13-13-14 000 8 17 20 -11.7 -19.1 28.69 7 18 72 238 -002 54 64 96 -12-13-13 000 9 17 21 -12.0 -16.6 28.67 6 11 76 243 -005 74 76 94 -13-14-14 000 10 17 22 -11.6 -15.6 28.66 5 16 61 228 002 79 83 90 -12-13-14 000 11 17 23 -10.7 -14.7 28.64 4 17 82 249 -003 79 87 92 -12-13-13 001 12 18 00 -9.8 -13.7 28.63 6 15 108 274 002 78 80104 -11-12-12 003 13 18 01 -9.2 -13.1 28.64 7 15 114 281 -003 78 84105 -11-12-13 003 14 18 02 -8.8 -12.4 28.62 5 14 87 254 -011 80 92 96 -10-11-12 014 15 18 03 -7.9 -12.3 28.62 7 21 121 287 -002 74 84109 -9-10-12 013 16 18 04 -8.2 -11.7 28.62 9 17 74 240 022 80 83107 -9-10-11 000 17 18 05 -7.1 -12.3 28.61 12 24 113 279 018 66 75103 -8 -9-11 000 18 18 06 -7.7 -11.8 28.59 14 25 81 247 -006 74 77 97 -8 -9-11 000 19 18 07 -8.0 -11.7 28.57 16 31 75 241 -010 77 81 88 -8 -9-10 000 20 18 08 -7.8 -11.1 28.57 18 29 92 258 019 80 74 81 -8 -9-10 000 21 18 09 -7.6 -10.7 28.59 16 32 110 276 -007 82 85 91 -8 -9-10 000 22 18 10 -7.7 -10.3 28.61 11 33 84 251 005 85 95113 -8 -9-10 000 23 18 11 -7.8 -9.8 28.60 16 31 86 252 007 91 96 98 -8 -8-10 000 24 18 12 -7.7 -9.7 28.59 15 24 85 252 027 92 93 95 -7 -8 -9 000 25 18 13 -7.1 -9.6 28.59 21 36 90 257 003 86 88 82 -7 -8 -9 000 26 18 14 -6.9 -9.7 28.60 21 41 106 273 000 84 90 83 -7 -9-10 000 27 18 15 -8.1 -10.7 28.63 22 40 115 282 -033 86 98 90 -9-10-11 000 28 18 16 -8.4 -11.2 28.64 18 38 104 271 012 86 89106 -9-10-11 000 29 18 17 -8.5 -11.0 28.65 20 40 113 280 -006 88 97106 -9-10-12 001 30 18 18 -8.4 -11.9 28.68 28 43 157 324 -008 80 94115 -9-11-12 002 31 18 19 -8.8 -12.0 28.70 23 41 150 317 -016 82 97117 -10-11-13 000 32 18 20 -9.0 -12.4 28.72 25 42 151 318 -044 81 94114 -10-11-13 002 33 18 21 -9.3 -12.6 28.73 27 45 157 323 -044 82 94105 -10-12-13 002 34 18 22 -9.2 -12.3 28.75 27 43 162 328 001 83 96116 -10-12-13 004 35 18 23 -9.2 -12.6 28.77 27 40 157 323 035 81 95113 -10-11-13 002 36 19 00 -8.9 -12.3 28.79 25 40 153 320 031 81 93116 -10-11-12 000 37 19 01 -8.6 -12.3 28.80 25 39 150 317 014 78 90116 -10-11-12 000 38 19 02 -7.8 -11.6 28.81 25 42 151 318 -021 76 88116 -9-10-12 000 39 19 03 -7.7 -11.9 28.79 31 47 161 327 -139 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.