USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026043012 WRF thwaites 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 12 -32.9 -36.4 28.91 10 11 22 233 -014 070074077 M31M30M29 000 01 30 13 -36.4 -39.2 28.89 11 15 26 237 -021 075067080 M29M28M28 001 02 30 14 -36.6 -39.2 28.90 10 14 32 243 -029 077066085 M29M28M29 001 03 30 15 -36.8 -39.1 28.91 11 14 43 254 001 079065075 M29M28M29 001 04 30 16 -36.8 -38.7 28.91 10 14 47 258 -006 082065061 M29M28M29 000 05 30 17 -36.9 -38.6 28.92 11 14 50 261 -030 084065054 M28M28M29 000 06 30 18 -36.7 -38.1 28.93 10 14 51 262 -020 087061054 M28M28M28 000 07 30 19 -36.5 -37.8 28.92 10 13 58 269 -023 088057054 M28M28M28 000 08 30 20 -36.2 -37.8 28.92 9 12 65 276 -018 086053054 M27M27M28 000 09 30 21 -36.0 -38.1 28.94 10 13 74 285 -014 081051053 M27M27M28 000 10 30 22 -35.9 -38.7 28.93 11 15 81 292 -018 076051052 M27M27M27 000 11 30 23 -35.8 -39.2 28.93 12 18 84 295 -029 071051049 M28M27M27 000 12 01 00 -35.8 -39.7 28.93 13 20 82 293 -031 068049045 M28M27M27 000 13 01 01 -35.9 -39.8 28.93 14 22 82 293 -023 067046041 M28M27M27 000 14 01 02 -35.9 -39.7 28.92 15 23 85 296 -016 068044036 M27M26M26 000 15 01 03 -35.6 -39.7 28.92 16 24 87 298 -016 066041031 M27M26M25 000 16 01 04 -35.2 -39.6 28.90 16 25 92 303 -027 064039029 M26M25M25 000 17 01 05 -34.9 -39.5 28.88 17 26 97 308 -024 063037026 M26M25M25 000 18 01 06 -34.5 -39.4 28.86 17 28 102 313 -023 061036024 M26M25M25 000 19 01 07 -34.3 -39.5 28.85 18 29 106 317 -023 059034022 M27M25M24 000 20 01 08 -34.1 -39.6 28.84 19 31 108 319 -017 058030020 M27M25M24 000 21 01 09 -34.1 -39.7 28.82 19 32 110 321 -021 057026017 M27M25M24 000 22 01 10 -34.0 -39.6 28.79 20 33 112 323 -023 057024015 M26M24M23 000 23 01 11 -33.7 -39.6 28.76 20 33 114 325 -010 056022014 M25M24M22 000 24 01 12 -33.5 -39.6 28.73 19 33 115 326 005 054020013 M25M23M22 000 25 01 13 -33.3 -39.6 28.71 19 33 116 327 -009 053019012 M24M22M21 000 26 01 14 -32.9 -39.4 28.67 19 33 119 330 -008 052017011 M23M21M20 000 27 01 15 -32.3 -39.1 28.64 19 33 121 332 -002 051015010 M22M20M19 000 28 01 16 -31.9 -38.7 28.61 19 34 123 334 007 051013009 M21M19M18 000 29 01 17 -31.2 -38.0 28.57 20 34 123 334 -003 051012009 M20M19M17 000 30 01 18 -30.2 -37.1 28.53 20 35 123 334 -023 051010008 M20M18M16 000 31 01 19 -29.6 -36.7 28.50 20 35 119 330 -040 050009008 M18M17M16 000 32 01 20 -28.7 -35.3 28.46 19 35 120 331 -014 053007007 M17M16M15 000 33 01 21 -27.7 -34.0 28.44 18 34 120 331 -038 055006007 M15M15M15 000 34 01 22 -27.3 -31.9 28.41 17 32 124 335 -046 065023028 M15M13M13 000 35 01 23 -25.7 -30.6 28.38 16 29 118 329 -029 064035040 M14M13M13 000 36 02 00 -25.1 -27.5 28.36 17 28 100 311 093 080077070 M13M12M12 000 37 02 01 -25.2 -27.4 28.36 16 27 71 282 042 082044069 M15M13M12 000 38 02 02 -26.1 -27.9 28.37 13 23 49 260 -017 084086070 M16M14M14 000 39 02 03 -25.8 -27.4 28.37 13 19 46 257 147 086082066 M14M13M13 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.