USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026043012 WRF 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 30 12 -32.6 -36.4 28.92 10 11 22 233 -004 070072075 M31M29M28 000 03 30 15 -36.2 -39.0 28.92 9 13 51 262 -007 076068073 M29M29M29 001 06 30 18 -36.5 -39.0 28.94 9 13 59 270 -020 078065054 M29M28M29 000 09 30 21 -35.9 -38.4 28.96 9 13 81 292 -024 078052053 M27M27M28 000 12 01 00 -36.3 -40.1 28.95 11 18 84 295 -032 068048046 M28M27M27 000 15 01 03 -35.9 -39.9 28.95 14 24 92 303 -026 067040032 M27M26M26 000 18 01 06 -34.8 -39.7 28.89 16 27 106 317 -027 061034024 M26M25M24 000 21 01 09 -34.2 -39.8 28.84 18 32 114 325 -030 057026018 M26M24M23 000 24 01 12 -33.1 -39.2 28.74 18 33 119 330 -008 054020013 M25M23M22 000 27 01 15 -31.3 -38.0 28.66 18 32 124 335 -021 052015010 M22M20M19 000 30 01 18 -28.4 -35.7 28.54 19 35 124 335 -001 049010008 M19M18M17 000 33 01 21 -25.3 -30.1 28.45 17 33 126 337 023 064013022 M15M14M14 000 36 02 00 -22.7 -25.8 28.38 14 24 109 320 -059 076067070 M13M12M12 001 39 02 03 -23.9 -26.0 28.39 14 26 59 270 -010 083080065 M14M13M12 001 42 02 06 -23.4 -25.0 28.41 16 29 53 264 -008 087054050 M11M11M11 000 45 02 09 -22.4 -25.0 28.44 12 20 75 285 019 079053057 M11M12M13 000 48 02 12 -23.6 -26.7 28.40 12 17 103 314 -010 076044066 M12M12M12 000 51 02 15 -24.1 -27.6 28.39 16 28 81 292 -050 073042034 M14M12M11 000 54 02 18 -20.3 -24.1 28.39 27 42 57 268 -150 072035027 M14M11M09 000 57 02 21 -22.7 -25.5 28.47 18 30 61 272 -101 078087078 M15M13M12 000 60 03 00 -24.4 -27.7 28.54 14 23 68 279 -027 074084059 M14M14M13 000 63 03 03 -24.9 -28.7 28.56 13 22 68 279 036 071042034 M14M13M12 000 66 03 06 -24.4 -28.2 28.60 13 22 53 264 002 071034043 M14M12M12 000 69 03 09 -24.6 -28.6 28.62 11 18 72 283 -012 070047065 M12M12M13 000 72 03 12 -24.2 -28.2 28.62 8 13 59 270 036 069049051 M13M13M14 000 75 03 15 -20.1 -25.9 28.61 3 7 223 74 -005 060052043 M14M14M14 000 78 03 18 -23.2 -26.2 28.62 7 9 207 58 018 077050053 M15M14M15 000 81 03 21 -23.2 -25.3 28.65 8 13 253 104 -001 083070058 M16M16M16 000 84 04 00 -22.3 -24.7 28.73 11 21 307 158 -005 081057064 M17M16M17 001 87 04 03 -23.5 -25.5 28.84 11 22 335 186 010 083065059 M18M18M18 001 90 04 06 -25.0 -27.0 28.95 11 18 13 224 011 084069059 M18M18M18 001 93 04 09 -24.7 -26.7 29.03 11 19 37 248 002 084067072 M17M17M17 000 96 04 12 -25.9 -27.8 29.07 13 20 70 281 015 084065072 M16M16M17 000 99 04 15 -26.5 -28.7 29.09 13 22 77 288 004 082056035 M16M16M16 000 102 04 18 -25.9 -29.6 29.08 13 20 87 298 -022 071033041 M14M14M15 000 105 04 21 -25.6 -30.6 29.04 11 19 91 302 026 063042046 M13M13M14 000 108 05 00 -24.2 -30.9 28.98 11 18 102 313 007 054023034 M11M12M13 000 111 05 03 -23.8 -30.0 28.91 10 16 99 310 022 057023014 M11M11M12 000 114 05 06 -24.3 -28.3 28.84 12 19 123 334 -009 070043016 M11M12M12 000 117 05 09 -24.6 -28.4 28.74 13 24 120 331 002 071050055 M12M12M12 000 120 05 12 -24.0 -27.7 28.66 11 21 127 338 009 072050054 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.