USAP McMurdo Station (B165) site lat/lon = (-77.8471,166.6652) cell lat/lon = (-77.8585,166.6521) Forecast initialized at 2026-10-15/12 UTC MPAS cell scale: 2.4 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 15 12 -30.6 -35.7 29.24 3 3 56 223 -001 80 86 92 -25-22-22 000 1 15 13 -33.5 -43.2 29.25 1 1 59 226 000 87 89 90 -24-22-22 000 2 15 14 -36.5 -38.2 29.26 2 2 151 317 002 136 97 87 -24-22-22 000 3 15 15 -35.0 -39.8 29.25 2 2 41 208 001 108 98 82 -23-22-22 000 4 15 16 -31.3 -39.6 29.26 4 4 347 154 003 83 98 79 -23-22-22 000 5 15 17 -29.1 -29.7 29.27 6 6 348 155 000 81 96 77 -22-21-21 000 6 15 18 -28.9 -28.9 29.27 0 4 102 269 002 103 93 72 -22-21-21 000 7 15 19 -32.1 -35.1 29.28 1 2 100 267 001 103 90 65 -22-21-21 000 8 15 20 -28.5 -32.6 29.28 1 3 344 151 002 91 69 61 -22-21-21 000 9 15 21 -24.9 -29.5 29.27 6 11 315 122 002 85 71 60 -22-21-20 000 10 15 22 -24.4 -28.2 29.28 5 9 300 107 003 90 58 58 -22-21-20 000 11 15 23 -22.6 -26.1 29.26 6 14 306 113 001 90 46 52 -21-20-19 000 12 16 00 -19.9 -22.5 29.25 7 14 293 99 002 96 46 37 -21-20-18 000 13 16 01 -18.8 -21.9 29.24 6 11 293 99 001 92 41 42 -20-20-18 000 14 16 02 -18.2 -22.1 29.24 6 10 286 92 000 84 37 49 -19-19-17 000 15 16 03 -17.9 -21.5 29.22 5 9 287 93 002 87 39 89 -19-18-16 000 16 16 04 -17.5 -20.8 29.21 5 9 292 99 002 89 35103 -18-17-16 000 17 16 05 -19.8 -22.2 29.20 1 6 235 42 000 99 36 94 -18-16-15 000 18 16 06 -22.2 -23.8 29.18 0 3 117 283 001 108 42 81 -18-16-15 000 19 16 07 -24.8 -24.8 29.16 0 1 42 209 001 113 47 66 -17-15-15 000 20 16 08 -25.8 -25.8 29.14 1 1 335 141 002 110 56 68 -17-14-14 000 21 16 09 -26.2 -26.2 29.13 0 0 348 154 -005 102 59 83 -17-14-13 000 22 16 10 -24.1 -25.9 29.10 6 7 335 141 -001 96 54 90 -15-12-13 000 23 16 11 -24.4 -24.4 29.09 6 8 300 107 001 94 57 85 -16-13-13 000 24 16 12 -25.7 -26.9 29.07 6 8 346 153 -004 112 53 82 -14-12-13 000 25 16 13 -22.2 -25.8 29.05 8 12 334 141 -004 89 56 81 -14-12-13 000 26 16 14 -22.0 -23.1 29.03 11 13 338 144 000 94 52 83 -12-11-12 000 27 16 15 -21.0 -21.8 29.01 7 10 8 174 -002 77 53 79 -12-11-12 000 28 16 16 -27.2 -27.2 29.01 3 4 62 229 000 97 53 88 -11-11-12 000 29 16 17 -19.5 -20.3 28.99 10 11 74 241 -007 99 61 88 -11-12-13 000 30 16 18 -15.6 -20.0 28.96 17 20 59 226 -004 78 77 80 -12-14-14 000 31 16 19 -14.4 -18.6 28.95 18 28 76 243 -006 77 74 67 -13-14-14 000 32 16 20 -13.6 -18.8 28.95 17 26 85 252 000 69 62 78 -14-13-13 000 33 16 21 -12.9 -19.2 28.94 13 23 80 246 000 61 74 82 -13-14-14 000 34 16 22 -11.8 -18.6 28.94 12 19 103 270 003 58 72 85 -13-14-16 000 35 16 23 -12.4 -18.8 28.93 14 18 105 272 011 61 75 79 -14-15-15 000 36 17 00 -10.8 -17.7 28.92 12 20 96 263 009 57 71 87 -12-13-14 000 37 17 01 -10.2 -16.6 28.91 9 22 126 293 012 61 71 69 -11-13-14 000 38 17 02 -11.5 -16.3 28.90 18 26 129 296 012 72 58 61 -12-12-12 000 39 17 03 -11.7 -17.4 28.89 15 21 116 283 009 65 57 64 -12-13-14 000 40 17 04 -12.2 -18.1 28.86 12 13 136 303 000 64 60 64 -12-13-15 000 41 17 05 -13.1 -18.7 28.85 10 12 131 297 -003 66 55 82 -12-13-14 000 42 17 06 -14.7 -20.2 28.84 9 18 131 298 002 66 52 76 -13-13-14 000 43 17 07 -15.8 -21.8 28.83 11 19 151 317 000 63 53 70 -12-12-14 000 44 17 08 -21.1 -21.1 28.82 8 20 85 252 -003 99 53 72 -12-13-14 000 45 17 09 -18.9 -21.7 28.81 12 21 76 243 006 82 64 75 -14-16-16 000 46 17 10 -17.6 -23.4 28.78 17 34 74 240 001 68 50 57 -15-15-16 000 47 17 11 -18.2 -23.7 28.79 12 34 98 265 -012 69 49 73 -15-15-15 000 48 17 12 -17.7 -23.4 28.78 11 24 77 244 009 65 46 66 -14-14-14 000 49 17 13 -14.6 -22.0 28.76 12 23 59 225 -001 53 55 88 -14-13-14 000 50 17 14 -13.9 -20.6 28.74 10 24 62 229 -008 56 76 96 -13-14-14 000 51 17 15 -13.4 -19.0 28.72 10 19 56 223 -013 64 74 87 -12-13-14 002 52 17 16 -13.4 -19.2 28.70 9 18 47 214 000 61 70 85 -12-13-13 000 53 17 17 -12.4 -18.3 28.67 12 16 43 210 -002 62 67 85 -11-12-13 000 54 17 18 -12.5 -18.3 28.65 12 21 37 204 -001 64 66 96 -10-12-13 000 55 17 19 -11.2 -16.9 28.64 11 29 47 214 -013 63 76103 -10-12-13 000 56 17 20 -10.3 -13.8 28.62 16 27 79 245 -002 81 81 92 -11-12-12 001 57 17 21 -9.4 -13.4 28.61 15 25 84 251 005 76 75 98 -10-11-12 001 58 17 22 -8.6 -13.6 28.60 15 31 98 264 -005 68 69 79 -9-10-12 000 59 17 23 -8.1 -13.2 28.59 18 31 97 264 002 67 71 82 -9-10-11 000 60 18 00 -7.5 -14.3 28.60 14 28 131 298 000 56 61 92 -8-10-11 000 61 18 01 -8.0 -13.0 28.59 24 29 143 310 -018 69 55 83 -8 -9-10 000 62 18 02 -8.9 -13.7 28.62 25 43 148 314 012 70 79 85 -10-11-12 000 63 18 03 -10.7 -14.4 28.62 20 28 113 280 007 79 92115 -11-12-13 000 64 18 04 -9.9 -13.9 28.63 17 34 108 275 004 76 86 94 -10-11-12 000 65 18 05 -10.5 -14.4 28.63 17 32 99 266 021 77 87102 -11-12-13 000 66 18 06 -10.9 -14.9 28.62 20 32 89 255 006 77 90 93 -11-11-12 000 67 18 07 -10.1 -14.4 28.62 22 38 90 256 001 74 93101 -10-12-12 000 68 18 08 -10.5 -14.9 28.64 18 37 73 239 -003 74 89 97 -11-12-13 000 69 18 09 -11.0 -14.9 28.65 18 34 91 258 000 78 82 91 -10-11-12 000 70 18 10 -10.9 -14.0 28.65 14 35 89 255 -006 84 89109 -10-11-12 000 71 18 11 -10.3 -13.4 28.65 16 30 92 259 -006 84 92116 -10-10-11 000 72 18 12 -9.8 -12.9 28.67 13 32 93 259 -021 83 93117 -10-11-13 003 73 18 13 -10.0 -13.0 28.67 13 32 86 253 -001 84 99116 -10-11-13 001 74 18 14 -10.3 -13.2 28.67 15 30 84 250 003 85103117 -11-12-13 005 75 18 15 -10.7 -13.2 28.69 13 33 86 253 001 90101117 -11-12-13 005 76 18 16 -10.7 -13.0 28.69 14 29 98 265 014 91 98117 -11-11-13 005 77 18 17 -10.6 -12.8 28.70 14 29 107 274 014 92 97117 -10-11-12 003 78 18 18 -10.5 -13.0 28.72 13 28 104 271 017 90 99117 -11-12-13 002 79 18 19 -10.2 -13.0 28.73 14 30 103 270 007 86 97117 -11-12-13 002 80 18 20 -9.8 -13.2 28.75 17 32 138 304 015 82 93116 -10-12-13 000 81 18 21 -9.5 -13.0 28.75 20 34 138 305 -009 80 90106 -10-12-13 000 82 18 22 -9.2 -12.9 28.75 19 31 134 301 006 79 88113 -10-11-12 000 83 18 23 -8.5 -12.6 28.76 19 32 134 301 008 75 85108 -9-11-12 000 84 19 00 -7.8 -12.4 28.76 16 34 142 308 016 71 83102 -9-10-12 000 85 19 01 -7.5 -12.2 28.78 13 31 130 297 -029 69 81101 -8-10-11 000 86 19 02 -7.0 -11.6 28.76 19 40 144 310 -133 70 80 77 -8 -9-10 000 87 19 03 -6.6 -11.2 28.74 22 43 148 315 -107 70 79 77 -7 -9-10 000 88 19 04 -6.7 -11.6 28.73 26 46 162 328 -140 68 74 63 -7 -9-10 000 89 19 05 -6.6 -10.4 28.75 11 35 131 297 -150 75 81 90 -7 -8 -9 000 90 19 06 -8.3 -11.7 28.75 4 35 87 254 -129 76 85 89 -7 -8 -9 000 91 19 07 -6.6 -9.7 28.75 17 43 167 333 -101 81 87 86 -7 -8 -9 000 92 19 08 -7.8 -10.5 28.74 11 42 165 332 -136 85 91 84 -7 -8 -9 001 93 19 09 -7.5 -10.5 28.75 21 45 177 344 -142 82 88 85 -8 -8 -9 001 94 19 10 -7.3 -10.4 28.76 20 44 179 346 -136 82 87 92 -7 -8 -9 002 95 19 11 -8.1 -10.6 28.78 11 38 183 350 -144 87 93103 -7 -8 -9 002 96 19 12 -7.2 -10.0 28.77 20 42 180 347 -061 84 90 97 -7 -8 -9 003 97 19 13 -7.0 -9.7 28.76 23 43 186 353 -022 85 89 94 -7 -8 -9 006 98 19 14 -6.8 -9.7 28.76 22 42 186 352 -031 83 88 92 -7 -8 -9 005 99 19 15 -7.1 -10.0 28.77 18 39 181 347 -034 83 88 92 -7 -8 -9 003 100 19 16 -7.1 -10.2 28.78 18 39 180 347 -040 82 88 94 -7 -8-10 003 101 19 17 -7.4 -10.4 28.79 15 37 180 346 -017 82 87 95 -7 -9-10 003 102 19 18 -9.3 -11.8 28.79 5 33 118 285 -029 85 89102 -7 -9-10 003 103 19 19 -9.4 -11.6 28.80 4 33 87 254 -020 85 90105 -8 -9-10 004 104 19 20 -7.8 -10.9 28.81 10 36 55 221 004 81 91108 -8 -9-10 003 105 19 21 -7.9 -11.2 28.82 9 37 67 233 -061 79 91109 -8 -9-11 002 106 19 22 -7.2 -11.1 28.82 22 48 170 337 -161 76 85 83 -8 -9-11 002 107 19 23 -7.1 -11.3 28.83 28 48 177 343 -156 73 81 82 -8 -9-10 001 108 20 00 -7.2 -11.4 28.87 14 37 148 315 -098 73 79 96 -8 -9-10 000 109 20 01 -7.1 -11.3 28.89 17 37 139 306 -028 73 79103 -8 -9-10 000 110 20 02 -7.1 -11.4 28.90 18 37 147 313 -037 73 79104 -8 -9-10 000 111 20 03 -7.3 -11.0 28.92 16 33 126 293 -005 76 79107 -8 -9-10 000 112 20 04 -7.6 -11.2 28.92 14 35 99 266 001 77 80102 -8 -9-10 000 113 20 05 -7.8 -11.4 28.94 14 33 99 266 -017 78 77 98 -8 -9-10 000 114 20 06 -7.4 -11.6 28.94 16 31 70 237 -026 74 80 99 -8 -9-10 000 115 20 07 -7.1 -11.7 28.96 14 23 73 240 000 70 76108 -7 -8 -9 000 116 20 08 -7.3 -11.1 28.99 14 31 87 253 -016 77 78 89 -8 -9-10 002 117 20 09 -7.9 -11.5 29.00 14 27 67 234 -019 78 78102 -7 -8 -9 000 118 20 10 -7.6 -11.3 29.00 12 24 51 218 -011 76 76101 -7 -8 -9 000 119 20 11 -7.4 -10.8 29.01 12 27 49 216 -014 78 85113 -7 -8 -9 001 120 20 12 -7.2 -10.1 29.03 12 25 64 231 -004 83 96114 -7 -9-10 004 * 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.