USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026101512 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 15 12 -14.3 -29.2 28.82 5 7 266 117 004 035023033 M13M13M12 000 01 15 13 -20.7 -30.0 28.82 4 6 209 60 -023 043024036 M13M12M12 000 02 15 14 -20.6 -29.1 28.81 5 7 172 23 -014 046024040 M13M12M12 000 03 15 15 -21.3 -26.8 28.81 6 9 135 346 -014 061025044 M13M12M12 000 04 15 16 -21.3 -23.6 28.82 7 8 104 315 -004 082028045 M13M12M13 000 05 15 17 -19.4 -21.2 28.81 5 6 86 297 017 086031048 M13M13M13 000 06 15 18 -18.7 -20.7 28.81 5 5 53 264 001 085032050 M13M13M12 000 07 15 19 -18.4 -20.5 28.80 4 4 356 207 -034 084028053 M13M12M12 000 08 15 20 -18.2 -21.6 28.80 3 5 248 99 -003 075032054 M14M12M12 000 09 15 21 -22.2 -22.9 28.80 6 8 162 13 011 094037055 M15M12M12 000 10 15 22 -19.9 -20.6 28.78 7 9 141 352 -005 094048057 M16M12M12 000 11 15 23 -19.3 -19.8 28.77 7 9 137 348 -014 096064059 M17M12M12 000 12 16 00 -19.2 -19.6 28.76 6 9 135 346 -008 097079061 M17M13M12 000 13 16 01 -18.9 -19.4 28.75 5 7 131 342 -024 096097061 M16M14M11 000 14 16 02 -18.7 -19.4 28.74 4 6 127 338 -024 095099063 M16M15M11 000 15 16 03 -18.8 -19.5 28.73 4 5 133 344 -016 094097049 M17M16M11 000 16 16 04 -19.2 -19.8 28.71 5 5 158 9 -017 095086038 M18M15M11 000 17 16 05 -19.8 -20.3 28.70 6 7 161 12 004 096063038 M19M14M11 000 18 16 06 -20.4 -20.8 28.68 6 9 148 359 -003 096040039 M19M12M11 000 19 16 07 -20.8 -21.3 28.67 6 9 130 341 -012 096040038 M19M12M12 000 20 16 08 -21.5 -21.9 28.65 6 8 127 338 -005 096037036 M17M12M12 000 21 16 09 -22.4 -22.8 28.64 5 7 119 330 -024 096036039 M15M12M11 000 22 16 10 -23.3 -23.8 28.61 4 6 103 314 -007 096041041 M14M11M11 000 23 16 11 -23.5 -24.0 28.59 6 8 77 288 002 096047042 M15M12M12 000 24 16 12 -23.3 -23.8 28.57 6 9 51 262 -007 096044044 M15M12M12 000 25 16 13 -23.7 -24.7 28.55 5 9 52 263 -025 092043046 M13M11M12 000 26 16 14 -22.3 -25.1 28.53 6 8 74 285 -022 078048049 M13M12M12 000 27 16 15 -22.9 -26.4 28.53 6 8 103 314 -025 073053056 M15M13M12 000 28 16 16 -24.0 -26.9 28.51 7 9 115 326 -022 077053062 M15M13M12 000 29 16 17 -23.7 -26.9 28.49 8 11 106 317 -004 075043055 M15M13M12 000 30 16 18 -22.8 -27.2 28.47 9 13 93 304 -013 067035053 M14M12M12 000 31 16 19 -21.9 -27.0 28.45 9 13 82 293 -017 063036046 M13M12M12 000 32 16 20 -21.2 -26.4 28.43 9 12 78 289 -037 063036040 M13M12M12 000 33 16 21 -20.9 -25.7 28.41 8 11 74 285 -044 065031031 M13M12M12 000 34 16 22 -21.0 -25.4 28.40 9 13 72 283 -046 068030037 M13M12M12 000 35 16 23 -21.2 -24.6 28.38 10 16 68 279 -024 074040045 M13M12M11 000 36 17 00 -21.1 -25.2 28.37 10 15 68 279 012 069036042 M12M11M11 000 37 17 01 -21.3 -25.5 28.35 10 16 65 276 045 069037042 M12M10M10 000 38 17 02 -21.7 -25.3 28.33 12 18 61 272 060 073034044 M11M10M10 000 39 17 03 -22.2 -25.4 28.32 13 20 58 269 066 075032043 M11M09M09 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.