USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025072612 AMPS 8km domain 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) (*) 00 26 12 -39.2 -43.9 28.23 5 7 21 232 -003 065055039 M33M29M27 000 03 26 15 -39.7 -42.6 28.24 6 6 62 273 009 074061046 M33M31M29 000 06 26 18 -43.1 -46.1 28.17 10 15 45 256 -024 072056042 M32M28M26 000 09 26 21 -40.8 -43.3 28.18 8 10 78 289 022 077063028 M31M29M27 000 12 27 00 -40.1 -42.7 28.15 8 12 46 257 004 077061033 M29M26M25 000 15 27 03 -35.6 -37.8 28.19 4 5 107 318 004 080063036 M29M27M25 000 18 27 06 -35.5 -37.8 28.19 4 5 53 264 -001 080060049 M29M27M25 000 21 27 09 -37.4 -40.1 28.22 6 9 333 184 009 076064056 M30M28M26 001 24 27 12 -40.5 -43.8 28.26 9 15 9 220 -006 070075044 M33M30M28 001 27 27 15 -43.4 -46.8 28.32 13 21 26 237 -007 069067044 M34M30M28 000 30 27 18 -43.7 -47.1 28.39 14 23 41 252 -018 069056036 M34M29M27 000 33 27 21 -43.1 -46.4 28.45 13 22 39 250 -025 070051047 M32M28M26 000 36 28 00 -40.9 -43.8 28.48 10 17 41 252 -058 073054047 M30M27M26 000 39 28 03 -38.7 -41.3 28.52 9 11 57 267 -025 077052045 M28M27M26 000 42 28 06 -38.0 -40.6 28.54 9 11 69 280 003 077045033 M26M25M25 000 45 28 09 -35.8 -38.8 28.55 7 10 76 287 -024 074044039 M25M24M24 000 48 28 12 -32.9 -37.8 28.56 6 7 100 311 -017 062040030 M24M24M23 000 51 28 15 -32.3 -37.5 28.56 8 10 116 327 -009 060029029 M22M22M21 000 54 28 18 -30.2 -35.8 28.56 7 10 124 335 007 058031030 M21M20M20 000 57 28 21 -29.5 -35.4 28.54 4 6 174 25 004 057031029 M21M21M20 000 60 29 00 -29.8 -35.9 28.53 3 4 177 28 007 056027051 M22M21M20 000 63 29 03 -28.6 -35.9 28.53 2 2 11 222 -000 050027066 M23M21M20 000 66 29 06 -32.5 -37.2 28.54 5 8 289 140 012 063029062 M24M22M21 000 69 29 09 -34.6 -38.3 28.56 6 9 309 160 003 070035064 M25M23M22 000 72 29 12 -35.6 -38.9 28.58 6 10 332 183 003 071046067 M26M25M24 000 75 29 15 -36.5 -39.7 28.63 7 11 344 195 003 072048050 M26M25M24 000 78 29 18 -36.1 -39.1 28.68 7 10 341 192 003 073049050 M27M26M25 000 81 29 21 -34.4 -37.9 28.72 6 9 323 174 002 071050070 M27M26M25 000 84 30 00 -33.8 -37.5 28.75 5 7 314 165 012 069054079 M28M27M26 002 87 30 03 -32.5 -36.4 28.80 2 3 318 169 012 068065078 M28M27M27 005 90 30 06 -31.8 -35.3 28.81 3 4 358 209 016 071072077 M28M28M28 008 93 30 09 -31.5 -34.6 28.83 4 4 43 254 011 074075076 M28M28M28 013 96 30 12 -33.0 -36.0 28.81 7 8 62 273 -004 074074076 M28M27M27 009 99 30 15 -33.8 -36.7 28.82 9 13 71 282 -002 075066073 M27M27M27 002 102 30 18 -34.4 -37.6 28.81 11 17 72 283 -007 073049050 M25M25M26 000 105 30 21 -34.6 -37.3 28.78 11 18 79 290 015 077051044 M24M24M25 000 108 31 00 -34.2 -37.4 28.73 11 17 89 300 000 073045045 M23M24M24 000 111 31 03 -33.9 -38.2 28.66 11 17 95 306 -003 066037043 M22M22M23 000 114 31 06 -32.6 -38.1 28.58 12 18 99 310 007 058031039 M20M20M21 000 117 31 09 -31.8 -37.3 28.47 12 21 114 325 -014 058033060 M19M19M20 000 120 31 12 -29.2 -32.4 28.35 14 26 94 305 -005 074059047 M18M18M18 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.