USAP McMurdo Station (B165) site lat/lon = (-77.8471,166.6652) cell lat/lon = (-77.8585,166.6521) Forecast initialized at 2025-09-27/12 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 27 12 -30.3 -36.2 29.25 2 2 306 113 001 68 60 21 -23-19-18 000 1 27 13 -25.2 -25.3 29.27 5 6 277 83 000 117 62 21 -23-19-19 000 2 27 14 -24.5 -24.5 29.26 1 1 220 27 001 129 60 21 -23-20-19 000 3 27 15 -25.4 -25.4 29.24 8 8 66 232 014 121 51 16 -20-18-17 000 4 27 16 -22.7 -23.4 29.24 11 11 59 226 -010 99 60 21 -19-18-18 000 5 27 17 -22.0 -24.2 29.25 13 14 55 222 -001 80 68 24 -19-19-18 000 6 27 18 -20.9 -25.2 29.26 7 9 67 233 000 75 36 22 -18-18-18 000 7 27 19 -29.4 -29.4 29.27 8 8 97 264 000 135 33 21 -18-17-18 000 8 27 20 -26.9 -26.9 29.28 6 6 98 265 -004 122 39 24 -19-17-17 000 9 27 21 -25.1 -25.1 29.29 0 3 325 131 000 130 41 23 -20-17-17 000 10 27 22 -20.4 -20.5 29.29 10 11 330 137 007 110 35 18 -20-17-17 000 11 27 23 -19.7 -19.8 29.30 10 11 317 124 -001 110 34 18 -20-17-17 000 12 28 00 -19.3 -20.0 29.30 8 10 304 111 000 105 36 17 -20-17-16 000 13 28 01 -19.2 -20.0 29.32 5 9 284 90 -001 106 35 15 -20-17-15 000 14 28 02 -19.6 -19.6 29.33 5 7 289 96 -007 118 31 15 -19-16-15 000 15 28 03 -18.6 -18.9 29.33 4 7 298 104 003 113 29 15 -19-16-15 000 16 28 04 -17.8 -18.3 29.33 8 8 325 132 -002 108 23 16 -16-15-14 000 17 28 05 -17.8 -18.4 29.34 4 7 316 123 -003 112 21 18 -18-15-14 000 18 28 06 -18.3 -18.3 29.35 4 8 323 129 001 120 20 17 -18-14-14 000 19 28 07 -18.4 -18.4 29.36 2 7 310 117 003 120 17 17 -17-14-14 000 20 28 08 -20.0 -20.0 29.36 1 5 302 108 000 123 17 18 -15-13-14 000 21 28 09 -19.7 -19.7 29.36 1 4 320 127 000 122 16 21 -16-13-14 000 22 28 10 -18.3 -18.3 29.36 6 9 326 133 009 120 15 31 -16-12-14 000 23 28 11 -17.7 -17.7 29.36 6 10 322 129 -001 119 14 30 -16-13-14 000 24 28 12 -18.2 -18.2 29.37 9 10 339 146 -002 120 14 38 -14-12-13 000 25 28 13 -30.2 -93.3 29.39 1 5 15 182 001 108 14 52 -14-12-13 000 26 28 14 -22.7 -22.7 29.40 3 3 102 269 001 116 14 49 -15-12-13 000 27 28 15 -22.0 -22.0 29.39 2 2 85 251 002 125 14 55 -15-12-13 000 28 28 16 -22.9 -22.9 29.40 4 4 104 270 001 123 17 63 -14-12-13 000 29 28 17 -22.1 -23.2 29.40 2 2 96 262 001 103 18 64 -14-12-14 000 30 28 18 -33.2 -93.2 29.39 1 1 79 246 000 98 18 66 -15-12-14 000 31 28 19 -28.5 -93.4 29.40 2 4 329 136 000 122 19 65 -16-13-14 000 32 28 20 -20.0 -20.0 29.40 1 3 103 269 000 123 34 63 -16-15-15 000 33 28 21 -19.5 -19.8 29.40 8 8 65 232 000 110 53 58 -17-16-15 000 34 28 22 -19.1 -21.7 29.40 13 14 51 218 002 80 43 20 -16-16-15 000 35 28 23 -18.6 -22.7 29.39 14 15 48 215 002 66 42 21 -16-16-16 000 36 29 00 -17.5 -23.0 29.39 14 14 44 211 002 56 37 25 -16-16-16 000 37 29 01 -17.4 -23.1 29.39 17 18 43 209 000 53 39 35 -16-16-17 000 38 29 02 -17.9 -23.6 29.38 16 17 50 216 000 53 44 41 -16-17-18 000 39 29 03 -17.7 -23.7 29.38 12 13 56 223 -003 53 36 57 -17-17-18 000 40 29 04 -17.5 -24.0 29.38 11 11 55 222 -003 51 41 66 -17-17-18 000 41 29 05 -18.2 -23.9 29.37 10 10 61 228 -002 57 81 61 -17-18-19 000 42 29 06 -18.0 -22.9 29.35 7 8 48 215 000 68 93 66 -17-18-19 000 43 29 07 -22.1 -43.8 29.34 5 11 15 182 -001 88 95 66 -17-18-19 000 44 29 08 -22.2 -35.0 29.33 6 10 4 171 000 94100 59 -18-19-19 000 45 29 09 -19.5 -21.3 29.33 7 11 345 152 001 113101 83 -18-19-19 000 46 29 10 -20.1 -20.1 29.33 4 7 325 131 002 122 90 70 -18-19-19 000 47 29 11 -20.9 -20.9 29.32 2 6 318 124 003 123 74 66 -18-18-18 000 48 29 12 -23.5 -23.5 29.31 1 3 179 345 000 128 64 65 -18-17-18 000 49 29 13 -21.9 -21.9 29.31 0 0 173 340 000 126 64 61 -18-17-18 000 50 29 14 -22.8 -22.8 29.31 2 2 127 294 000 126 64 58 -19-17-18 000 51 29 15 -24.9 -24.9 29.31 4 4 119 285 000 128 68 59 -19-18-18 000 52 29 16 -26.0 -26.0 29.31 4 4 119 285 -001 130 60 63 -20-17-17 000 53 29 17 -24.7 -24.7 29.30 4 4 115 281 -001 128 59 65 -20-17-17 000 54 29 18 -24.8 -24.8 29.30 5 5 113 280 000 128 56 65 -20-16-17 000 55 29 19 -24.6 -24.6 29.30 6 6 105 271 -001 128 54 67 -19-16-17 000 56 29 20 -25.2 -25.2 29.30 8 8 103 269 000 129 55 70 -19-16-17 000 57 29 21 -24.7 -24.7 29.30 10 10 88 255 004 129 54 70 -20-17-17 000 58 29 22 -23.0 -23.0 29.31 10 11 90 257 -001 120 52 59 -20-17-16 000 59 29 23 -23.6 -23.6 29.31 11 13 91 257 000 127 49 32 -20-16-16 000 60 30 00 -23.6 -23.6 29.31 13 15 81 248 000 118 47 36 -18-17-16 000 61 30 01 -21.2 -21.2 29.31 12 13 78 245 -001 107 46 38 -17-16-16 000 62 30 02 -19.2 -20.5 29.30 12 13 75 241 000 95 27 40 -17-15-16 000 63 30 03 -17.1 -20.7 29.30 9 9 71 238 001 76 28 50 -15-15-16 000 64 30 04 -15.5 -21.6 29.28 7 8 67 233 002 61 29 60 -14-15-15 000 65 30 05 -19.5 -20.4 29.28 4 4 134 300 000 106 31 78 -14-14-16 000 66 30 06 -18.9 -21.6 29.27 5 5 83 250 -006 88 38 86 -13-14-15 000 67 30 07 -14.1 -18.1 29.26 6 6 347 154 000 79 47 84 -13-14-15 000 68 30 08 -16.9 -17.5 29.26 8 8 325 131 -001 109 57 84 -14-13-14 000 69 30 09 -15.9 -16.7 29.26 10 10 302 108 011 106 62 79 -15-14-14 000 70 30 10 -16.7 -16.7 29.26 12 14 321 128 002 117 58 75 -15-13-14 000 71 30 11 -17.7 -17.7 29.26 13 15 329 135 -002 116 61 93 -15-13-13 000 72 30 12 -16.4 -16.7 29.25 13 13 344 150 001 111 69 88 -14-13-14 000 73 30 13 -19.1 -21.2 29.23 7 7 351 158 007 114 73 74 -14-13-14 000 74 30 14 -23.6 -93.6 29.23 5 10 295 101 004 105 76 79 -14-14-14 000 75 30 15 -15.9 -19.5 29.21 8 9 351 158 -028 83 61 92 -12-12-13 000 76 30 16 -16.9 -17.1 29.22 15 15 344 150 -001 109 70 93 -13-13-14 000 77 30 17 -14.6 -17.8 29.22 9 9 334 141 000 82 68 89 -13-12-13 000 78 30 18 -15.4 -17.2 29.22 6 7 331 138 -006 96 80 95 -13-13-14 001 79 30 19 -14.8 -16.2 29.20 12 13 339 146 002 98 79100 -13-12-13 004 80 30 20 -14.5 -16.9 29.20 10 11 329 136 -002 89 81104 -13-13-13 002 81 30 21 -13.7 -16.6 29.20 5 6 308 114 002 86 86103 -13-13-14 002 82 30 22 -12.7 -15.1 29.20 6 6 326 132 003 90 90105 -13-12-13 009 83 30 23 -10.8 -13.4 29.20 3 4 10 177 004 88 94107 -12-12-13 017 84 01 00 -9.7 -12.1 29.19 4 11 97 263 003 89 96106 -11-12-13 038 85 01 01 -9.0 -13.4 29.17 9 22 105 272 000 72 76 79 -10-11-12 021 86 01 02 -8.8 -13.1 29.17 13 17 69 236 -009 72 72 76 -10-11-12 000 87 01 03 -8.3 -13.4 29.17 12 22 71 237 006 66 70 78 -9-10-12 000 88 01 04 -9.0 -14.2 29.17 10 23 65 232 010 66 72 71 -9-10-11 000 89 01 05 -8.3 -13.3 29.17 11 26 63 230 009 66 71 88 -9-10-11 000 90 01 06 -8.8 -13.7 29.16 13 21 59 226 010 67 63 58 -9-10-11 000 91 01 07 -10.0 -15.7 29.15 11 16 57 224 008 63 72 74 -9-10-10 000 92 01 08 -14.3 -44.5 29.14 7 11 44 210 003 49 63 73 -9-10-11 000 93 01 09 -15.9 -94.0 29.13 6 9 32 198 006 50 65 78 -8-10-11 000 94 01 10 -17.2 -32.9 29.12 2 2 37 204 004 55 63 82 -8-10-10 000 95 01 11 -16.6 -16.6 29.12 4 5 181 348 -002 118 63 76 -9 -9-10 000 96 01 12 -15.0 -15.3 29.12 2 8 105 272 003 111 63 87 -12 -9-10 000 97 01 13 -13.7 -15.5 29.12 5 14 114 281 -003 97 71 90 -10-11-12 000 98 01 14 -12.5 -16.4 29.11 6 10 95 262 005 79 56 94 -9 -9-10 000 99 01 15 -11.3 -18.9 29.11 8 13 72 239 000 54 34 69 -9 -9-10 000 100 01 16 -13.0 -27.7 29.10 7 9 68 235 003 45 42 51 -10-10-10 000 101 01 17 -16.4 -94.0 29.10 5 11 127 293 000 50 51 48 -10-11-11 000 102 01 18 -18.5 -93.9 29.11 4 10 127 293 -002 60 43 46 -11-11-11 000 103 01 19 -14.6 -29.0 29.10 5 13 76 243 -004 56 31 48 -11-10-11 000 104 01 20 -14.6 -30.8 29.11 3 11 112 278 002 55 32 49 -10-10-11 000 105 01 21 -11.2 -17.7 29.11 8 11 84 251 002 59 31 40 -9-10-11 000 106 01 22 -10.6 -18.2 29.11 6 12 111 277 003 53 30 43 -10-10-10 000 107 01 23 -10.9 -16.8 29.12 6 10 130 296 003 64 35 42 -10-10-11 000 108 02 00 -10.7 -17.1 29.13 4 11 139 306 005 61 35 43 -11-11-12 000 109 02 01 -9.9 -18.8 29.13 4 17 172 339 -001 47 34 47 -10-11-12 000 110 02 02 -9.6 -18.6 29.12 8 15 119 286 000 44 30 66 -10-10-11 000 111 02 03 -10.4 -17.2 29.12 12 17 96 262 -005 55 33 49 -11-11-11 000 112 02 04 -10.4 -18.8 29.11 9 15 77 244 003 45 31 48 -10-11-11 000 113 02 05 -10.8 -18.3 29.12 9 18 116 282 000 51 44 45 -11-12-12 000 114 02 06 -12.3 -19.3 29.13 6 9 103 270 002 59 48 50 -10-12-12 000 115 02 07 -16.3 -94.0 29.13 5 6 80 246 000 43 35 48 -10-11-12 000 116 02 08 -13.5 -23.1 29.14 9 10 76 242 001 49 34 51 -11-11-12 000 117 02 09 -16.1 -25.7 29.15 7 13 99 266 -001 62 44 41 -11-12-13 000 118 02 10 -15.2 -27.2 29.16 7 7 65 231 -003 48 38 45 -11-12-13 000 119 02 11 -14.5 -20.6 29.17 7 10 103 270 000 64 32 46 -12-12-12 000 120 02 12 -17.9 -33.4 29.18 5 8 127 293 000 60 31 34 -13-12-13 000 * 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.