USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025072612 AMPS 2p67km 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 -39.3 -43.2 28.20 5 7 20 231 -008 065058041 M34M29M28 000 01 26 13 -40.0 -43.2 28.20 5 5 22 233 -006 071053041 M30M28M27 000 02 26 14 -38.7 -41.8 28.21 4 4 66 277 007 072057044 M31M29M28 000 03 26 15 -39.3 -42.1 28.21 7 7 54 265 007 074060046 M32M30M28 000 04 26 16 -43.0 -45.8 28.18 11 13 49 260 -039 073059047 M32M30M27 000 05 26 17 -43.0 -46.1 28.16 12 16 45 256 -013 072055046 M31M28M26 000 06 26 18 -42.7 -45.7 28.15 12 17 40 251 -019 072052043 M30M27M26 000 07 26 19 -42.1 -45.0 28.17 11 15 40 251 -007 073052036 M29M27M26 000 08 26 20 -40.9 -43.4 28.18 9 11 52 263 -001 077056032 M29M28M27 000 09 26 21 -40.6 -43.0 28.16 9 11 68 279 029 077060026 M29M28M27 000 10 26 22 -40.7 -43.3 28.16 11 14 65 276 047 077059032 M29M28M26 000 11 26 23 -40.6 -43.3 28.14 11 15 51 262 006 076058032 M28M26M25 000 12 27 00 -40.2 -42.7 28.12 10 13 41 252 -020 077057032 M28M25M24 000 13 27 01 -39.1 -41.5 28.17 8 10 54 265 -025 079058034 M27M25M24 000 14 27 02 -36.5 -38.8 28.15 6 7 57 268 -005 080057037 M27M25M24 000 15 27 03 -34.9 -37.2 28.17 5 6 96 307 -012 080061036 M28M26M25 000 16 27 04 -35.1 -37.2 28.16 4 6 109 320 021 081059032 M28M26M25 000 17 27 05 -35.1 -37.2 28.17 5 7 83 294 005 080057034 M28M26M25 000 18 27 06 -35.0 -37.3 28.16 5 6 50 261 -000 080058045 M28M27M25 000 19 27 07 -35.3 -37.8 28.17 5 6 8 219 -012 078059064 M29M27M26 000 20 27 08 -35.5 -38.0 28.18 5 6 341 192 016 077062064 M29M27M26 000 21 27 09 -37.0 -39.7 28.19 8 10 335 186 011 076061055 M29M27M26 000 22 27 10 -37.8 -41.0 28.20 9 12 338 189 -006 073065043 M30M28M26 000 23 27 11 -38.8 -42.2 28.22 10 13 350 201 -006 071070039 M31M29M27 000 24 27 12 -40.0 -43.4 28.23 11 16 6 217 -016 071072042 M32M29M28 000 25 27 13 -41.3 -44.6 28.25 13 19 15 226 -002 070069046 M32M29M27 000 26 27 14 -42.4 -45.7 28.27 15 21 19 230 -012 070066044 M32M29M27 000 27 27 15 -43.1 -46.5 28.29 15 22 22 233 -036 070063044 M32M28M27 000 28 27 16 -43.5 -46.9 28.31 15 23 27 238 -057 069059045 M32M28M26 000 29 27 17 -43.6 -46.9 28.34 16 24 32 243 -046 070053041 M33M28M26 000 30 27 18 -43.5 -46.8 28.36 16 25 36 247 -036 070050035 M32M28M26 000 31 27 19 -43.3 -46.6 28.36 17 25 38 249 -045 070049038 M32M27M26 000 32 27 20 -43.1 -46.4 28.39 16 25 36 247 -054 070048044 M31M27M25 000 33 27 21 -42.8 -46.0 28.42 16 24 34 245 -080 070046048 M31M27M25 000 34 27 22 -42.2 -45.4 28.44 14 22 34 245 -083 071045050 M30M26M25 000 35 27 23 -41.1 -44.2 28.46 14 20 36 247 -096 072046049 M29M26M25 000 36 28 00 -40.2 -43.2 28.46 13 19 34 245 -104 073049048 M29M26M26 000 37 28 01 -39.7 -42.5 28.48 12 16 36 247 -091 075051046 M28M26M26 000 38 28 02 -39.0 -41.5 28.49 11 14 37 248 -082 077052046 M28M26M26 000 39 28 03 -38.6 -41.1 28.49 10 13 46 257 -071 077050045 M27M26M26 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 1h) 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.