USAP Lower Erebus Hut (LEH) site lat/lon = (-76.4583,-107.7820) cell lat/lon = (-76.4514,-107.8927) Forecast initialized at 2025-12-23/12 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 23 12 -14.1 -16.3 28.86 15 19 99 351 002 92 95 99 -14-15-15 000 1 23 13 -13.8 -16.2 28.87 14 23 104 356 -001 92 98103 -14-15-15 000 2 23 14 -13.2 -16.0 28.88 16 27 104 356 -001 88 99107 -14-15-15 000 3 23 15 -12.6 -15.5 28.88 19 28 91 343 -001 86101109 -14-15-16 000 4 23 16 -12.2 -14.8 28.90 19 27 85 337 000 89106118 -13-15-16 000 5 23 17 -12.0 -14.7 28.90 19 28 84 336 000 88104116 -13-15-16 000 6 23 18 -11.4 -14.4 28.92 20 29 83 335 -001 85 99114 -13-14-16 000 7 23 19 -11.4 -14.3 28.90 21 29 82 335 -001 85100110 -13-14-16 000 8 23 20 -11.2 -14.2 28.90 20 29 82 334 -001 84 99108 -13-14-15 000 9 23 21 -11.0 -13.9 28.92 21 29 82 334 -002 85100107 -12-14-15 000 10 23 22 -11.1 -13.9 28.92 21 29 83 335 -001 86101106 -12-14-15 000 11 23 23 -11.2 -14.0 28.91 21 29 85 337 000 86101100 -12-14-15 000 12 24 00 -11.4 -14.2 28.93 20 29 86 338 000 86101 98 -12-14-15 000 13 24 01 -11.9 -14.7 28.93 20 30 90 342 000 86101101 -13-14-16 000 14 24 02 -12.4 -15.2 28.94 18 31 94 347 001 87100105 -13-14-16 000 15 24 03 -12.8 -15.6 28.94 18 32 98 350 001 88100109 -13-15-16 000 16 24 04 -13.3 -16.0 28.94 17 33 102 354 001 89100109 -13-15-16 000 17 24 05 -13.9 -16.6 28.95 17 33 104 356 001 89 99106 -14-15-16 000 18 24 06 -14.6 -17.3 28.94 18 34 106 358 000 90 98107 -14-15-15 000 19 24 07 -14.4 -17.1 28.95 19 34 103 355 000 89 98104 -15-15-15 000 20 24 08 -14.2 -17.1 28.95 19 34 101 354 001 87 97103 -15-16-15 001 21 24 09 -14.9 -17.9 28.95 19 35 106 358 002 87 95102 -15-16-15 000 22 24 10 -15.4 -18.4 28.95 19 34 109 1 002 88 93100 -15-16-15 000 23 24 11 -15.0 -18.1 28.95 20 34 109 1 002 87 93 97 -15-16-15 000 24 24 12 -14.7 -17.8 28.94 20 33 109 2 003 86 94 95 -15-16-15 000 25 24 13 -14.2 -17.4 28.95 20 32 109 1 005 86 95 91 -15-16-15 000 26 24 14 -13.9 -17.1 28.96 20 30 110 2 004 85 95 89 -15-16-16 000 27 24 15 -13.3 -16.6 28.95 19 29 108 0 003 84 96 90 -14-16-16 000 28 24 16 -12.7 -15.9 28.95 19 28 109 1 003 84 96 90 -14-15-16 000 29 24 17 -12.2 -15.5 28.95 19 28 109 1 002 82 96 91 -13-15-16 000 30 24 18 -11.5 -14.7 28.94 20 28 108 0 001 83 96 94 -13-14-16 000 31 24 19 -10.9 -14.1 28.94 20 27 103 355 000 83 95100 -12-14-15 002 32 24 20 -10.6 -13.7 28.94 20 26 101 353 000 83 95104 -12-13-15 002 33 24 21 -10.5 -13.6 28.94 19 26 99 351 001 82 95102 -12-13-15 001 34 24 22 -10.4 -13.4 28.93 19 26 99 351 000 83 96 99 -12-13-15 002 35 24 23 -10.3 -13.4 28.94 19 27 99 351 002 83 95101 -11-13-14 002 36 25 00 -10.3 -13.3 28.94 19 26 99 351 004 84 96102 -11-13-14 002 37 25 01 -10.5 -13.4 28.94 18 26 98 350 002 84 96104 -11-13-14 001 38 25 02 -10.8 -13.6 28.95 16 26 100 352 002 85 96106 -11-13-14 001 39 25 03 -11.5 -14.1 28.96 14 27 106 359 002 88 96109 -12-13-14 000 40 25 04 -12.2 -14.7 28.96 13 27 114 6 002 89 97115 -12-13-15 000 41 25 05 -13.1 -15.5 28.97 14 27 118 10 002 91 98114 -12-14-15 000 42 25 06 -13.8 -16.2 28.97 15 28 119 11 001 92 99111 -13-14-15 000 43 25 07 -14.2 -16.6 28.97 16 29 119 11 000 92100110 -13-14-15 000 44 25 08 -14.6 -16.9 28.97 16 29 119 11 000 93100109 -14-15-15 000 45 25 09 -14.2 -16.8 28.98 16 29 118 10 000 91101113 -14-15-15 000 46 25 10 -13.6 -16.2 28.99 18 29 113 5 000 89102116 -14-15-15 000 47 25 11 -13.1 -15.7 29.00 18 26 106 358 -001 89103116 -14-15-15 001 48 25 12 -12.8 -15.4 29.01 17 25 105 358 -002 90103115 -14-15-15 005 49 25 13 -12.6 -15.2 29.02 18 26 105 357 000 89103114 -13-14-14 004 50 25 14 -12.0 -14.6 29.03 17 25 101 354 000 89103106 -13-14-14 002 51 25 15 -11.5 -14.0 29.03 17 24 98 350 000 89104103 -13-14-14 001 52 25 16 -10.8 -13.3 29.04 17 24 94 346 000 89105109 -12-14-14 002 53 25 17 -10.4 -12.9 29.05 17 24 92 344 000 88105103 -12-13-14 001 54 25 18 -10.0 -12.5 29.05 17 23 92 344 -001 87103104 -11-13-14 000 55 25 19 -9.7 -12.3 29.05 17 23 91 343 000 86101103 -11-12-14 001 56 25 20 -9.5 -12.3 29.06 17 22 91 343 000 84 98102 -11-12-14 001 57 25 21 -9.3 -12.4 29.07 16 21 91 343 000 82 95100 -10-12-13 000 58 25 22 -9.2 -12.4 29.08 15 20 93 345 000 81 93 97 -10-12-13 000 59 25 23 -9.3 -12.4 29.08 14 20 95 347 000 82 93 94 -10-12-13 000 60 26 00 -9.6 -12.5 29.09 13 20 98 350 000 84 95 90 -10-12-13 000 61 26 01 -10.1 -12.8 29.09 12 19 100 353 -001 86 96 86 -11-12-14 000 62 26 02 -10.8 -13.2 29.09 11 20 107 359 -001 88 97 82 -11-12-14 000 63 26 03 -11.7 -14.0 29.10 11 21 113 5 000 91 99 78 -11-13-14 000 64 26 04 -12.5 -14.5 29.09 12 22 117 9 000 94103 76 -11-13-14 000 65 26 05 -13.2 -14.9 29.09 12 24 119 11 000 99101 75 -11-13-14 000 66 26 06 -13.6 -14.9 29.09 12 24 122 14 -001 103 99 77 -11-12-14 000 67 26 07 -13.7 -14.8 29.10 11 23 126 18 -002 105 95 81 -11-12-14 000 68 26 08 -13.8 -14.7 29.10 11 24 127 19 -002 107 94 88 -11-13-14 000 69 26 09 -13.6 -14.8 29.11 12 24 125 17 -001 104 97 96 -12-13-13 000 70 26 10 -13.6 -15.3 29.11 13 25 121 13 000 98100102 -12-13-13 000 71 26 11 -13.5 -15.1 29.11 14 26 116 8 000 99101107 -13-13-13 000 72 26 12 -13.1 -15.1 29.11 15 25 112 4 000 95101109 -13-13-13 000 73 26 13 -12.2 -14.7 29.12 16 25 106 358 000 89 99118 -13-13-13 000 74 26 14 -11.5 -14.3 29.12 17 23 105 357 001 86 93118 -13-13-13 000 75 26 15 -10.9 -13.8 29.12 16 21 106 358 001 86 88116 -12-13-14 000 76 26 16 -10.8 -13.7 29.12 16 20 107 359 001 85 95116 -12-13-14 000 77 26 17 -10.8 -13.5 29.12 15 20 104 356 001 86100109 -12-14-14 000 78 26 18 -10.4 -13.3 29.12 14 18 104 357 000 84 99106 -12-13-14 000 79 26 19 -9.8 -13.2 29.11 14 17 102 355 000 80 93 99 -11-13-14 000 80 26 20 -9.4 -12.7 29.11 11 15 106 358 000 81 94113 -11-12-14 002 81 26 21 -9.3 -12.6 29.11 13 17 94 346 -002 80 92103 -11-12-13 009 82 26 22 -9.1 -12.2 29.11 13 17 101 353 -002 82 94101 -10-12-13 004 83 26 23 -8.8 -13.1 29.11 14 18 92 344 -001 72 79104 -10-11-13 005 84 27 00 -8.7 -12.6 29.11 13 18 102 354 000 75 85104 -10-11-13 000 85 27 01 -8.6 -11.2 29.10 14 19 103 355 -001 86 98105 -10-11-12 004 86 27 02 -8.6 -10.9 29.10 14 21 101 353 -002 88 98105 -10-11-12 005 87 27 03 -8.7 -10.8 29.10 15 22 99 351 -001 90 99103 -10-11-12 007 88 27 04 -8.8 -10.9 29.09 15 24 98 351 -002 90100108 -10-11-12 006 89 27 05 -9.0 -10.9 29.09 16 27 102 354 000 92102105 -10-11-12 009 90 27 06 -8.9 -10.7 29.10 17 27 98 350 -010 93103110 -10-11-12 011 91 27 07 -9.0 -10.6 29.10 16 27 93 345 002 95104105 -10-11-12 020 92 27 08 -9.0 -10.7 29.11 17 28 89 341 -005 94106112 -10-11-12 017 93 27 09 -9.2 -10.8 29.13 17 25 86 338 000 95107108 -10-11-12 017 94 27 10 -9.5 -11.2 29.14 17 26 88 340 -008 95107107 -10-12-12 018 95 27 11 -10.3 -12.1 29.15 16 27 92 344 -001 95106106 -11-12-12 008 96 27 12 -10.7 -12.5 29.16 15 26 95 347 000 94106 95 -11-12-12 002 97 27 13 -11.0 -12.9 29.16 14 26 98 351 002 94101 99 -12-12-12 000 98 27 14 -10.3 -12.6 29.16 16 24 99 351 000 90100 95 -11-12-12 000 99 27 15 -9.8 -12.3 29.17 17 25 100 352 000 87 98 97 -11-12-12 000 100 27 16 -9.2 -11.9 29.17 17 26 99 351 000 85 96101 -10-12-12 001 101 27 17 -9.2 -12.0 29.17 17 26 102 354 000 85 92 97 -10-11-12 000 102 27 18 -8.8 -11.6 29.17 17 25 103 355 -002 84 96100 -10-11-12 000 103 27 19 -8.5 -11.3 29.18 17 24 98 350 -001 84 98100 -10-11-13 000 104 27 20 -8.4 -11.1 29.18 17 24 94 346 000 84 98 99 -10-11-12 000 105 27 21 -8.1 -10.9 29.19 17 24 93 345 001 83 96104 -9-11-12 000 106 27 22 -7.9 -10.5 29.19 17 22 97 349 000 84 97115 -9-11-12 000 107 27 23 -7.6 -10.2 29.19 16 22 98 350 001 85 98105 -9-10-12 001 108 28 00 -7.3 -9.5 29.19 17 23 104 356 -004 88101110 -8-10-11 009 109 28 01 -6.8 -8.6 29.18 16 22 97 349 000 91103109 -8 -9-10 006 110 28 02 -6.6 -8.0 29.18 13 17 79 331 001 94103109 -8 -9-10 022 111 28 03 -6.7 -7.8 29.18 11 16 77 329 -011 97106114 -8 -9-10 037 112 28 04 -7.2 -8.6 29.19 13 18 71 323 -001 95106113 -8 -9-11 054 113 28 05 -7.7 -9.3 29.20 10 19 70 322 004 94 99107 -8 -9-11 004 114 28 06 -7.8 -9.0 29.21 8 18 78 330 -001 97105109 -8-10-11 000 115 28 07 -7.4 -8.7 29.21 9 18 82 334 -001 96109115 -8 -9-10 001 116 28 08 -7.6 -9.2 29.22 12 18 92 344 000 93103116 -8-10-11 000 117 28 09 -7.7 -9.3 29.23 13 19 97 349 000 94 97116 -8 -9-11 000 118 28 10 -7.7 -9.3 29.24 13 19 85 337 000 94107116 -8-10-11 000 119 28 11 -7.6 -9.3 29.25 14 19 87 339 000 93108115 -8-10-11 000 120 28 12 -7.8 -9.4 29.25 12 15 87 339 004 94109 98 -9-10-11 004 * 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.