USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026043000 WRF 24km 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 30 00 -31.2 -34.7 28.63 24 27 23 234 -003 071069059 M32M33M33 000 03 30 03 -32.9 -36.1 28.72 22 38 16 227 029 073070073 M33M32M30 010 06 30 06 -33.0 -36.2 28.80 16 27 7 218 037 073072076 M32M29M28 010 09 30 09 -33.3 -36.6 28.89 12 20 16 227 010 073072076 M31M28M28 008 12 30 12 -34.4 -37.5 28.95 10 17 28 239 -018 073071074 M29M27M28 004 15 30 15 -35.6 -38.4 28.98 8 13 49 260 -013 076075071 M28M28M28 001 18 30 18 -35.9 -38.5 28.98 8 10 69 280 -025 077067063 M28M27M27 000 21 30 21 -35.7 -38.4 28.97 10 14 87 298 -017 076055049 M27M26M26 000 24 01 00 -36.1 -40.2 28.94 12 20 92 303 -013 066043036 M27M26M25 000 27 01 03 -34.7 -39.7 28.91 16 28 99 310 -016 060030027 M26M24M24 000 30 01 06 -33.5 -39.4 28.85 16 29 102 313 -015 055022020 M24M23M22 000 33 01 09 -32.4 -38.8 28.80 16 29 111 322 -008 053017016 M22M21M21 000 36 01 12 -29.8 -35.8 28.71 15 28 116 327 -027 056014013 M20M19M19 000 39 01 15 -26.9 -31.3 28.64 16 29 121 332 001 066015019 M18M17M17 000 42 01 18 -24.6 -28.4 28.53 16 31 121 332 004 071038032 M16M15M15 000 45 01 21 -24.2 -27.4 28.46 13 23 113 324 003 074046052 M14M13M13 000 48 02 00 -23.9 -26.8 28.41 10 18 79 290 -010 077062070 M14M13M13 000 51 02 03 -21.9 -25.7 28.43 7 12 39 250 -016 071066050 M13M12M12 000 54 02 06 -22.3 -25.4 28.47 9 12 46 257 -008 076048050 M11M10M10 000 57 02 09 -21.0 -23.9 28.50 9 9 76 287 -018 078043049 M10M09M10 000 60 02 12 -23.0 -26.7 28.50 13 21 78 289 008 072038046 M11M10M10 000 63 02 15 -21.5 -25.0 28.53 16 27 76 287 -034 073040037 M12M11M11 000 66 02 18 -21.5 -24.9 28.57 20 34 68 279 -004 074039033 M14M12M11 000 69 02 21 -23.3 -26.3 28.60 17 30 69 280 009 076055037 M14M13M13 000 72 03 00 -23.5 -26.4 28.61 16 29 76 287 058 078043033 M16M15M14 000 75 03 03 -23.3 -26.1 28.62 15 26 81 292 079 077037032 M15M14M13 000 78 03 06 -22.2 -25.2 28.62 17 29 82 293 011 077032035 M14M12M11 000 81 03 09 -21.9 -25.1 28.58 17 30 82 293 011 075036040 M15M13M12 000 84 03 12 -22.2 -25.0 28.54 15 28 83 294 022 078045053 M17M15M14 000 87 03 15 -23.3 -26.4 28.53 12 20 86 297 -010 076047057 M17M15M15 000 90 03 18 -26.5 -28.9 28.57 12 22 45 256 025 080053058 M19M17M16 000 93 03 21 -27.7 -29.7 28.68 18 32 23 234 013 083070063 M20M17M17 000 96 04 00 -24.1 -26.0 28.81 17 33 31 242 -028 084086075 M19M18M18 016 99 04 03 -24.9 -27.0 28.90 14 27 54 265 007 082066047 M18M18M18 001 102 04 06 -27.1 -30.4 28.97 12 23 77 288 018 074048038 M17M17M18 000 105 04 09 -25.4 -29.4 28.97 7 11 83 294 017 070039036 M16M16M17 000 108 04 12 -22.8 -28.6 28.96 5 6 142 353 -032 060044036 M16M16M17 000 111 04 15 -23.9 -29.6 28.96 6 6 106 317 -005 060033028 M15M15M16 000 114 04 18 -25.5 -31.8 28.96 7 9 86 297 -006 055028025 M15M15M15 000 117 04 21 -26.0 -32.3 28.95 9 12 86 297 -020 056022023 M13M13M14 000 120 05 00 -24.6 -30.7 28.92 10 15 99 310 -025 057021025 M12M11M12 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.