USAP McMurdo Station (B165) site lat/lon = (-77.8471,166.6652) cell lat/lon = (-77.8585,166.6521) Forecast initialized at 2026-06-12/12 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 12 12 -42.4 -50.2 29.10 1 1 82 248 000 57 51 28 -36-32-31 000 1 12 13 -43.3 -48.1 29.12 5 5 134 300 -001 70 46 29 -35-31-30 000 2 12 14 -45.1 -48.1 29.12 7 7 96 263 -001 99 46 30 -34-31-30 000 3 12 15 -42.6 -47.1 29.13 9 9 87 254 -001 75 47 28 -34-31-30 000 4 12 16 -41.0 -47.0 29.13 11 11 77 243 000 67 45 27 -33-31-30 000 5 12 17 -40.6 -47.2 29.13 12 13 76 242 000 67 43 34 -33-31-30 000 6 12 18 -40.8 -47.1 29.14 13 15 76 242 -001 71 41 50 -34-31-30 000 7 12 19 -39.9 -46.4 29.17 14 18 85 251 000 68 50 57 -34-31-30 000 8 12 20 -40.8 -47.0 29.14 12 16 87 253 -001 71 72 62 -34-32-31 000 9 12 21 -43.5 -48.7 29.19 8 11 98 265 000 83 90 65 -35-31-30 000 10 12 22 -44.0 -48.9 29.18 6 8 109 275 -001 89 66 58 -35-30-30 000 11 12 23 -42.5 -47.3 29.22 5 6 101 268 000 91 58 46 -34-30-31 000 12 13 00 -43.0 -48.0 29.20 4 4 107 273 000 89 43 38 -32-30-31 000 13 13 01 -39.5 -46.7 29.21 7 8 92 259 001 67 40 31 -31-30-31 000 14 13 02 -35.4 -43.2 29.22 9 9 68 235 000 50 27 29 -30-29-30 000 15 13 03 -33.7 -42.0 29.23 9 9 67 233 -003 50 25 38 -29-29-30 000 16 13 04 -33.4 -40.3 29.23 8 9 66 233 000 62 28 35 -29-29-29 000 17 13 05 -32.9 -39.3 29.24 8 8 67 234 000 67 25 34 -29-28-29 000 18 13 06 -33.1 -38.4 29.24 8 9 90 256 000 68 24 37 -29-28-29 000 19 13 07 -36.3 -38.9 29.25 10 12 90 256 -001 109 24 41 -29-28-29 000 20 13 08 -33.5 -42.2 29.26 12 13 70 237 000 56 25 36 -28-28-29 000 21 13 09 -32.0 -39.7 29.26 10 11 65 231 001 52 27 74 -28-28-29 000 22 13 10 -30.6 -42.1 29.25 6 6 61 227 000 33 41 99 -27-28-29 000 23 13 11 -30.6 -39.1 29.26 1 4 102 268 000 45 78 99 -27-28-28 000 24 13 12 -37.6 -41.6 29.27 5 5 128 294 000 96 88 98 -27-28-29 001 25 13 13 -34.3 -38.2 29.26 5 5 96 262 000 93 87100 -27-28-29 002 26 13 14 -31.9 -34.0 29.27 7 7 80 247 000 97 92 98 -27-28-29 003 27 13 15 -30.1 -32.6 29.27 10 12 59 225 000 97 94 96 -27-29-30 003 28 13 16 -29.7 -33.4 29.26 11 15 70 237 000 94 95 89 -28-29-29 002 29 13 17 -29.9 -33.8 29.27 10 14 78 245 000 91 90 93 -29-29-29 001 30 13 18 -30.1 -33.8 29.26 11 14 81 248 002 94 82 97 -28-28-29 000 31 13 19 -29.1 -32.9 29.26 15 27 104 270 002 89 83103 -28-28-29 000 32 13 20 -31.8 -35.0 29.27 10 12 82 249 000 101 91100 -28-29-30 003 33 13 21 -31.0 -34.5 29.26 13 19 67 233 000 96 92 98 -28-30-30 001 34 13 22 -31.5 -35.0 29.26 13 16 63 229 003 98 86103 -29-29-30 001 35 13 23 -32.9 -35.7 29.26 12 18 82 249 000 102 92 96 -29-30-31 001 36 14 00 -33.1 -36.6 29.25 18 23 76 242 000 97 89 95 -30-31-31 000 37 14 01 -33.3 -37.2 29.25 18 27 69 236 000 94 89 93 -30-31-31 000 38 14 02 -32.4 -36.6 29.25 16 24 76 243 000 89 86 93 -30-31-31 000 39 14 03 -32.8 -36.6 29.24 14 19 68 234 000 94 91 90 -30-31-32 000 40 14 04 -32.5 -36.5 29.24 15 26 71 238 -001 92 85 95 -30-31-31 000 41 14 05 -32.5 -36.2 29.24 14 19 69 235 000 95 87 94 -30-31-33 000 42 14 06 -32.3 -36.1 29.24 16 28 84 250 000 90 89 94 -31-32-32 000 43 14 07 -32.9 -36.6 29.23 16 21 83 250 000 96 87 94 -31-32-32 000 44 14 08 -33.8 -37.6 29.23 17 19 64 230 -003 96 83 96 -31-31-33 000 45 14 09 -33.6 -37.6 29.22 21 27 71 238 000 92 94 92 -31-33-33 000 46 14 10 -32.9 -38.1 29.21 23 26 73 240 -003 79 82 90 -34-32-31 000 47 14 11 -32.2 -37.8 29.18 22 27 76 243 002 76 81 84 -32-32-30 000 48 14 12 -33.1 -38.4 29.19 18 22 75 242 002 79 81 80 -30-31-32 000 49 14 13 -32.5 -37.7 29.18 15 24 74 241 000 78 85 84 -32-33-33 000 50 14 14 -32.2 -37.4 29.17 16 25 66 233 003 78 82 87 -31-32-32 000 51 14 15 -30.9 -36.8 29.16 17 26 70 237 002 72 81 90 -30-32-32 000 52 14 16 -30.0 -36.4 29.14 20 26 62 228 001 68 74 84 -29-31-32 000 53 14 17 -32.6 -38.2 29.15 22 26 73 240 -001 77 75 77 -31-31-32 000 54 14 18 -33.0 -38.4 29.14 20 24 73 240 001 78 72 77 -30-31-31 000 55 14 19 -33.1 -38.5 29.12 20 24 66 233 -001 78 67 76 -29-30-31 000 56 14 20 -32.7 -38.2 29.12 18 28 71 237 -001 75 67 77 -30-31-31 000 57 14 21 -33.5 -38.2 29.11 22 25 56 223 -005 85 61 76 -29-28-29 000 58 14 22 -33.0 -38.6 29.11 22 26 64 231 -001 76 58 65 -31-29-30 000 59 14 23 -32.1 -38.1 29.10 15 23 75 242 005 70 57 67 -27-28-30 000 60 15 00 -32.1 -37.7 29.10 17 25 70 237 -001 75 55 68 -26-28-30 000 61 15 01 -30.9 -36.4 29.10 14 23 68 235 000 75 54 64 -26-28-30 000 62 15 02 -28.1 -35.6 29.08 16 21 64 231 000 57 54 61 -27-29-30 000 63 15 03 -28.2 -35.7 29.08 16 21 65 232 -001 56 53 60 -27-29-30 000 64 15 04 -27.7 -35.3 29.08 17 22 63 230 000 55 50 59 -27-28-29 000 65 15 05 -30.2 -35.5 29.08 16 23 86 253 002 77 48 59 -27-28-29 000 66 15 06 -32.9 -38.1 29.08 15 22 85 251 002 78 46 59 -26-27-28 000 67 15 07 -33.7 -38.6 29.07 12 21 94 261 000 83 45 57 -26-27-28 000 68 15 08 -34.1 -38.6 29.08 14 20 81 247 000 86 46 55 -26-27-28 000 69 15 09 -34.3 -39.1 29.08 17 22 73 239 002 84 46 55 -27-27-28 000 70 15 10 -34.4 -39.3 29.08 18 25 70 236 001 84 42 52 -28-27-28 000 71 15 11 -34.6 -39.4 29.08 17 21 74 240 001 85 41 50 -28-27-28 000 72 15 12 -33.6 -39.1 29.09 18 21 65 232 000 79 41 50 -27-26-28 000 73 15 13 -32.3 -38.8 29.09 18 21 62 228 000 70 40 46 -25-27-28 000 74 15 14 -30.6 -38.0 29.09 17 19 58 224 006 58 37 46 -25-26-27 000 75 15 15 -32.3 -38.0 29.09 12 22 80 247 -002 73 37 46 -25-26-27 000 76 15 16 -33.1 -38.0 29.09 16 22 79 245 -003 83 37 44 -25-26-27 000 77 15 17 -33.6 -38.6 29.09 17 23 70 237 -001 82 35 42 -25-26-27 000 78 15 18 -33.4 -38.7 29.08 16 23 68 235 -001 77 34 40 -25-25-26 000 79 15 19 -33.6 -39.0 29.08 14 20 69 236 000 77 33 38 -24-25-26 000 80 15 20 -34.7 -39.6 29.08 11 18 78 244 000 83 32 38 -24-25-26 000 81 15 21 -34.4 -38.8 29.08 13 18 73 239 000 82 31 38 -24-25-26 000 82 15 22 -33.5 -38.6 29.07 15 20 69 236 000 77 30 37 -23-24-26 000 83 15 23 -32.8 -38.8 29.07 15 19 65 231 000 70 29 37 -23-24-26 000 84 16 00 -32.2 -39.0 29.06 14 17 66 233 000 64 29 36 -23-24-26 000 85 16 01 -31.7 -39.4 29.05 12 14 68 235 000 57 29 35 -23-24-26 000 86 16 02 -31.2 -40.4 29.03 12 13 70 237 000 50 29 35 -22-24-26 000 87 16 03 -29.7 -39.1 29.01 12 16 64 231 000 39 29 34 -23-24-25 000 88 16 04 -28.5 -39.2 29.01 13 15 62 229 000 35 29 33 -23-24-25 000 89 16 05 -27.6 -39.3 29.00 13 21 56 222 -002 32 29 32 -23-25-25 000 90 16 06 -27.3 -39.6 28.98 14 19 59 225 001 32 29 33 -23-24-23 000 91 16 07 -27.1 -38.3 28.96 14 20 58 225 -002 34 32 56 -23-24-23 000 92 16 08 -26.8 -37.9 28.95 15 18 60 227 003 36 32 48 -23-23-23 000 93 16 09 -27.1 -37.0 28.94 15 19 66 232 002 42 30 43 -23-23-23 000 94 16 10 -27.1 -37.0 28.92 15 22 70 236 005 42 28 40 -23-22-22 000 95 16 11 -27.5 -35.6 28.91 15 24 69 235 011 50 26 43 -22-22-22 000 96 16 12 -26.9 -35.4 28.90 16 24 73 239 005 50 30 44 -22-21-22 000 97 16 13 -26.7 -34.5 28.88 16 28 84 250 003 54 31 48 -22-21-21 000 98 16 14 -25.4 -34.4 28.86 18 31 91 258 010 48 31 50 -22-21-21 000 99 16 15 -23.4 -34.3 28.85 20 33 91 258 010 40 32 52 -21-22-21 000 100 16 16 -21.5 -30.9 28.83 18 32 71 237 013 43 33 49 -20-22-23 000 101 16 17 -21.6 -30.4 28.82 21 31 66 233 014 47 35 51 -20-22-23 000 102 16 18 -22.2 -31.4 28.80 22 30 68 234 008 44 38 51 -21-22-23 000 103 16 19 -21.1 -29.4 28.77 21 30 70 236 003 50 38 50 -21-22-23 000 104 16 20 -20.7 -27.5 28.76 20 30 69 236 006 60 41 51 -20-21-22 000 105 16 21 -20.3 -27.5 28.75 20 32 69 236 004 57 49 77 -20-21-22 000 106 16 22 -20.3 -27.1 28.75 20 31 74 241 012 60 58 95 -20-22-22 000 107 16 23 -20.2 -25.1 28.74 21 32 71 238 010 75 66 99 -20-22-22 000 108 17 00 -20.4 -25.9 28.72 20 29 72 238 009 70 63 96 -20-21-22 000 109 17 01 -20.0 -26.9 28.70 21 32 74 241 013 59 54 87 -20-21-22 000 110 17 02 -19.7 -26.6 28.69 18 32 68 234 012 58 54 90 -20-21-21 000 111 17 03 -19.8 -26.3 28.67 17 32 71 238 019 61 60 90 -20-21-21 000 112 17 04 -19.8 -26.3 28.66 15 32 84 251 027 61 58 75 -19-19-20 000 113 17 05 -20.4 -27.1 28.64 15 32 94 260 018 60 52 68 -19-19-20 000 114 17 06 -19.7 -26.9 28.63 17 32 91 257 020 56 49 70 -19-19-19 000 115 17 07 -19.0 -27.8 28.62 20 32 93 260 010 52 49 66 -19-19-19 000 116 17 08 -18.2 -25.8 28.62 18 32 77 244 010 53 53 66 -18-19-20 000 117 17 09 -18.1 -25.6 28.62 20 31 76 243 010 54 54 69 -18-19-20 000 118 17 10 -17.9 -24.7 28.61 19 31 74 241 013 59 57 73 -18-19-20 000 119 17 11 -17.9 -24.3 28.60 18 32 77 243 018 62 60 79 -18-19-20 000 120 17 12 -17.6 -23.8 28.59 18 33 81 248 021 63 62 85 -17-18-19 000 * 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.