USAP Lower Erebus Hut (LEH) site lat/lon = (-76.4583,-107.7820) cell lat/lon = (-76.4514,-107.8927) Forecast initialized at 2025-12-18/00 UTC MPAS cell scale: 5.4 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 18 00 -15.7 -20.0 28.90 11 14 186 78 -003 72 60 39 -16-16-17 000 1 18 01 -15.6 -19.4 28.88 10 16 192 84 000 80 51 39 -15-16-16 000 2 18 02 -16.2 -19.8 28.87 10 16 193 85 003 82 49 39 -15-16-16 000 3 18 03 -17.2 -20.7 28.85 10 18 191 83 003 83 47 38 -15-15-16 000 4 18 04 -18.3 -21.5 28.84 10 17 186 79 004 87 45 36 -15-15-16 000 5 18 05 -19.5 -22.1 28.82 10 16 186 78 003 94 45 37 -15-15-16 000 6 18 06 -20.4 -22.4 28.81 10 16 183 75 005 103 45 37 -15-15-16 000 7 18 07 -21.2 -22.7 28.81 11 16 177 70 006 110 44 36 -15-15-16 000 8 18 08 -22.2 -23.1 28.78 11 16 174 66 004 118 44 35 -15-15-16 000 9 18 09 -23.1 -23.9 28.78 10 15 174 66 003 121 45 36 -15-15-16 000 10 18 10 -23.4 -24.4 28.78 9 13 170 62 003 118 48 35 -15-15-16 000 11 18 11 -23.3 -25.0 28.76 8 11 170 62 000 109 51 34 -15-16-16 000 12 18 12 -22.6 -24.9 28.75 8 9 168 60 000 102 51 32 -15-16-16 000 13 18 13 -21.3 -24.1 28.75 7 10 162 54 000 94 50 30 -15-15-16 000 14 18 14 -19.7 -22.6 28.75 6 9 160 52 000 93 50 30 -16-15-16 000 15 18 15 -17.9 -21.3 28.74 6 8 141 33 000 87 53 31 -16-16-16 000 16 18 16 -16.8 -19.9 28.74 6 7 131 23 000 89 54 31 -16-16-16 000 17 18 17 -15.8 -19.1 28.75 5 7 121 13 000 86 55 32 -16-16-16 000 18 18 18 -15.0 -18.5 28.75 5 7 112 5 001 84 55 32 -16-16-16 000 19 18 19 -14.5 -17.9 28.74 5 6 105 357 000 84 56 32 -16-15-16 000 20 18 20 -14.0 -17.6 28.74 5 6 101 353 000 82 56 32 -15-15-16 000 21 18 21 -13.6 -17.2 28.74 5 6 102 354 000 83 55 31 -15-15-16 000 22 18 22 -13.4 -17.0 28.74 5 6 104 356 000 82 55 31 -15-15-15 000 23 18 23 -13.1 -16.7 28.74 6 7 101 353 001 82 55 30 -14-15-15 000 24 19 00 -13.0 -16.3 28.74 5 7 94 346 001 84 57 30 -14-15-16 000 25 19 01 -13.2 -16.2 28.74 5 7 91 343 001 86 70 32 -14-15-16 000 26 19 02 -14.0 -16.5 28.75 5 7 102 354 001 90 82 34 -14-16-16 000 27 19 03 -15.3 -17.6 28.75 6 10 116 8 000 94 80 35 -15-16-16 000 28 19 04 -16.7 -18.9 28.76 7 11 125 17 000 97 74 37 -15-15-16 000 29 19 05 -17.8 -19.7 28.77 7 12 132 25 000 101 64 39 -15-15-15 000 30 19 06 -18.2 -19.9 28.77 8 13 135 27 000 104 51 41 -15-15-15 000 31 19 07 -18.8 -20.4 28.78 8 13 136 28 000 106 50 44 -15-15-15 000 32 19 08 -19.6 -20.6 28.79 9 14 136 28 000 114 60 45 -15-15-15 000 33 19 09 -20.0 -20.5 28.79 9 14 138 30 000 120 89 44 -14-16-15 000 34 19 10 -20.2 -20.7 28.80 9 15 140 32 000 121 95 42 -15-16-15 000 35 19 11 -19.8 -20.4 28.81 9 15 137 29 001 119 85 38 -15-15-15 000 36 19 12 -19.0 -20.3 28.82 9 15 128 20 001 110 87 35 -15-15-15 000 37 19 13 -17.6 -19.1 28.84 11 16 112 4 000 105 91 34 -15-15-15 000 38 19 14 -16.7 -18.7 28.85 11 15 105 357 000 99 55 27 -16-15-15 000 39 19 15 -15.7 -17.9 28.87 10 15 101 353 000 96 71 25 -16-15-15 000 40 19 16 -14.9 -16.9 28.88 11 14 95 347 001 96 90 25 -16-16-16 000 41 19 17 -14.3 -16.1 28.89 11 15 86 338 000 98 98 24 -16-16-16 000 42 19 18 -13.5 -15.8 28.91 11 15 75 327 -001 93110 25 -15-16-16 000 43 19 19 -12.9 -15.3 28.92 11 14 73 325 000 91109 25 -14-16-16 000 44 19 20 -12.3 -15.1 28.93 11 14 71 323 -001 87103 25 -14-15-16 000 45 19 21 -12.0 -14.6 28.94 12 14 68 320 -001 88106 25 -13-15-16 000 46 19 22 -11.7 -14.4 28.95 11 14 66 318 000 88107 27 -13-15-15 000 47 19 23 -11.5 -14.1 28.97 11 14 64 316 000 88107 29 -13-14-15 000 48 20 00 -11.5 -14.1 28.97 11 14 62 315 -001 88106 30 -13-14-15 000 49 20 01 -11.6 -14.2 28.97 11 14 61 313 -001 89105 37 -13-14-15 000 50 20 02 -11.8 -14.2 28.98 10 14 60 312 -002 90108 55 -13-14-15 000 51 20 03 -12.2 -14.4 28.98 9 15 61 313 -001 92109 79 -13-14-15 000 52 20 04 -13.1 -14.9 28.98 6 17 75 327 000 97111 94 -13-14-15 000 53 20 05 -12.8 -14.5 28.98 6 17 83 335 000 98114100 -13-14-15 000 54 20 06 -12.4 -13.9 28.98 10 18 70 322 000 100114104 -13-14-15 001 55 20 07 -13.0 -14.6 28.98 11 18 77 330 000 99113 99 -14-14-15 000 56 20 08 -13.8 -15.4 28.98 12 19 79 331 000 100112 93 -14-14-15 000 57 20 09 -14.2 -15.8 28.98 12 17 80 332 000 100112 92 -15-14-15 000 58 20 10 -14.2 -16.0 28.98 11 18 80 332 000 99111 94 -15-14-15 000 59 20 11 -13.4 -15.4 28.97 10 15 82 334 -001 95114 94 -14-14-15 000 60 20 12 -12.8 -14.7 28.97 10 13 81 333 000 96114 86 -13-14-16 000 61 20 13 -12.4 -14.2 28.97 11 14 82 334 -001 97113 83 -14-14-15 000 62 20 14 -12.4 -14.4 28.97 12 14 80 333 -002 95116 76 -14-15-15 000 63 20 15 -12.4 -14.2 28.97 13 15 79 331 -001 96116 69 -14-15-15 000 64 20 16 -12.2 -14.0 28.97 12 14 76 328 -002 97116 74 -14-15-15 000 65 20 17 -11.9 -13.6 28.98 12 14 75 327 -001 97116 79 -13-15-15 000 66 20 18 -11.6 -13.3 28.99 11 13 73 325 -001 97115 85 -13-15-15 000 67 20 19 -11.3 -13.0 29.00 11 12 72 324 -001 96115 94 -13-14-15 000 68 20 20 -11.0 -12.7 29.01 10 11 74 326 000 96114100 -12-14-15 000 69 20 21 -10.6 -12.4 29.02 9 10 75 327 000 94114100 -12-14-15 000 70 20 22 -10.2 -12.1 29.02 8 9 76 328 000 93113 99 -12-13-14 000 71 20 23 -10.0 -11.9 29.03 7 8 79 331 000 93112100 -11-13-14 000 72 21 00 -9.8 -12.0 29.03 7 7 83 335 -001 91111104 -11-13-14 001 73 21 01 -9.8 -12.2 29.03 6 7 91 343 -001 90109114 -11-13-14 001 74 21 02 -9.8 -12.2 29.03 6 7 96 348 000 89107118 -11-12-14 000 75 21 03 -10.0 -12.3 29.03 7 8 96 348 -001 90106118 -11-13-14 000 76 21 04 -11.1 -12.7 29.03 7 10 95 348 -003 97 98105 -12-13-14 003 77 21 05 -11.4 -12.9 29.04 5 11 105 358 -003 99 99101 -12-13-14 005 78 21 06 -12.0 -13.3 29.04 5 11 111 4 -002 101 99100 -12-13-14 007 79 21 07 -12.7 -14.0 29.04 6 11 124 16 -001 102 97 99 -12-14-15 005 80 21 08 -13.7 -15.0 29.04 7 11 136 28 -001 102 99100 -13-14-15 004 81 21 09 -14.5 -15.6 29.03 7 11 143 35 000 106100100 -13-14-15 004 82 21 10 -14.9 -15.7 29.02 7 11 148 40 000 110 97100 -13-14-15 001 83 21 11 -14.7 -15.9 29.02 7 11 150 42 000 106 94100 -13-14-15 001 84 21 12 -14.5 -15.8 29.02 7 11 156 48 000 104 93 99 -13-14-15 000 85 21 13 -14.4 -15.9 29.01 7 11 159 51 000 102 93 99 -13-14-15 000 86 21 14 -13.7 -15.7 28.99 7 11 155 47 000 96 90100 -13-14-15 000 87 21 15 -12.8 -15.1 28.98 8 12 156 48 001 92 87101 -13-14-15 000 88 21 16 -11.9 -14.5 28.97 9 13 156 48 000 90 85 99 -13-13-14 000 89 21 17 -11.3 -14.0 28.96 10 13 150 42 000 87 90 95 -12-13-14 000 90 21 18 -10.8 -13.7 28.95 10 12 144 36 000 86 96 93 -12-13-14 000 91 21 19 -10.6 -13.8 28.94 9 11 141 33 000 83 95 93 -12-13-14 000 92 21 20 -10.5 -14.2 28.92 9 11 142 34 000 78 78 92 -12-13-14 000 93 21 21 -10.4 -14.5 28.91 9 11 142 34 000 75 71 90 -12-13-14 000 94 21 22 -10.3 -14.5 28.90 9 12 142 34 000 74 67 83 -11-13-14 000 95 21 23 -10.3 -14.3 28.88 9 12 141 33 000 76 62 74 -11-13-14 000 96 22 00 -10.5 -14.2 28.87 9 13 140 33 000 77 67 73 -11-12-13 000 97 22 01 -11.0 -14.1 28.86 8 14 143 35 000 82 66 78 -11-12-13 000 98 22 02 -11.8 -14.5 28.85 8 15 149 41 000 86 74 76 -11-12-13 000 99 22 03 -12.8 -15.2 28.84 8 15 154 46 000 90 77 78 -11-12-13 000 100 22 04 -13.7 -15.6 28.83 9 16 153 45 000 96 79 82 -11-12-13 000 101 22 05 -14.6 -16.0 28.82 10 16 147 39 000 103 86 79 -11-12-13 000 102 22 06 -15.6 -16.4 28.82 9 15 137 29 000 111 79 75 -11-13-14 000 103 22 07 -16.8 -17.3 28.82 9 14 139 31 000 117 73 76 -12-13-14 000 104 22 08 -18.0 -18.5 28.82 9 16 143 35 001 118 81 73 -13-14-15 000 105 22 09 -18.4 -19.2 28.82 10 18 141 33 001 115 81 54 -14-14-15 000 106 22 10 -18.6 -19.6 28.82 11 20 139 31 001 111 90 46 -15-15-15 000 107 22 11 -18.3 -19.8 28.82 12 20 135 27 001 105 95 68 -15-15-15 000 108 22 12 -17.6 -19.4 28.81 13 21 133 25 001 102 95105 -16-15-15 000 109 22 13 -16.6 -18.9 28.81 14 21 130 22 002 96 97101 -16-15-15 000 110 22 14 -15.5 -18.2 28.81 15 22 125 17 001 91 99 98 -16-15-15 000 111 22 15 -14.5 -17.4 28.80 15 22 121 13 002 88 96102 -15-15-15 000 112 22 16 -13.1 -15.9 28.80 15 23 117 9 001 88 99103 -14-15-15 000 113 22 17 -12.1 -15.0 28.80 16 22 112 5 000 86100104 -13-15-15 000 114 22 18 -11.1 -13.9 28.80 16 22 107 359 000 86100105 -12-14-15 002 115 22 19 -10.5 -13.4 28.81 16 21 102 354 000 85 99108 -12-13-15 004 116 22 20 -10.2 -13.0 28.81 16 20 100 352 000 84 99105 -12-13-14 004 117 22 21 -9.7 -12.6 28.81 16 20 100 352 -003 84 99103 -11-13-14 007 118 22 22 -9.6 -12.7 28.82 15 20 101 353 000 83 96103 -11-12-14 002 119 22 23 -9.5 -12.6 28.83 14 21 103 355 000 82 94 95 -11-12-14 000 120 23 00 -9.6 -12.6 28.84 14 22 103 355 002 82 93 93 -10-12-13 000 * 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.