USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026011100 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 11 00 -8.7 -10.9 29.03 6 8 259 110 006 086084075 M11M12M13 000 01 11 01 -9.3 -10.9 29.01 3 3 222 73 -012 088091072 M11M12M13 000 02 11 02 -9.4 -11.0 29.00 1 2 209 60 000 088091072 M11M12M13 000 03 11 03 -9.3 -10.6 28.98 0 0 219 70 -004 091091074 M11M12M12 000 04 11 04 -9.3 -10.4 28.97 1 1 220 71 -004 092090074 M11M12M12 000 05 11 05 -9.6 -10.7 28.96 1 1 175 26 -008 092090072 M11M12M12 000 06 11 06 -9.9 -11.0 28.96 1 2 124 335 -013 092090068 M11M12M12 000 07 11 07 -10.2 -11.2 28.94 1 2 118 329 -017 092088066 M11M12M12 000 08 11 08 -10.6 -11.5 28.93 1 2 109 320 -001 093087064 M11M12M12 000 09 11 09 -10.9 -11.8 28.92 2 3 112 323 -006 094085060 M11M12M12 000 10 11 10 -11.3 -12.0 28.90 3 3 108 319 -014 094082056 M11M12M12 000 11 11 11 -11.7 -12.4 28.88 3 4 101 312 -018 095080052 M11M12M12 000 12 11 12 -12.2 -12.9 28.86 4 4 88 299 -016 095079050 M11M12M12 000 13 11 13 -12.5 -13.2 28.85 4 5 78 289 -013 094078049 M11M12M12 000 14 11 14 -12.6 -13.4 28.83 5 5 76 287 -010 094075049 M11M12M12 000 15 11 15 -12.5 -13.1 28.82 4 5 77 288 -008 095071049 M11M12M12 000 16 11 16 -12.5 -12.7 28.81 4 4 90 301 -014 098065047 M11M11M11 000 17 11 17 -12.2 -12.3 28.79 4 5 120 331 -015 099059045 M11M11M11 000 18 11 18 -11.6 -11.8 28.77 5 6 133 344 -016 099055044 M11M11M11 000 19 11 19 -11.3 -11.5 28.76 7 8 133 344 -009 099055044 M11M11M11 000 20 11 20 -10.9 -11.0 28.74 8 9 132 343 -019 099055044 M11M11M11 000 21 11 21 -11.0 -11.1 28.73 9 10 131 342 -019 099055043 M11M11M11 000 22 11 22 -10.9 -11.1 28.71 9 12 129 340 -017 099053041 M11M11M11 000 23 11 23 -10.8 -11.4 28.70 9 10 132 343 -015 095052040 M11M10M11 000 24 12 00 -10.5 -12.2 28.69 9 11 131 342 -012 087052039 M11M10M11 000 25 12 01 -10.5 -12.2 28.68 9 10 129 340 -014 087052038 M11M10M10 000 26 12 02 -10.7 -12.2 28.67 9 10 129 339 -014 089052037 M11M10M10 000 27 12 03 -10.9 -12.3 28.67 9 12 131 342 -016 090051037 M11M10M10 000 28 12 04 -11.2 -12.4 28.67 9 11 133 344 -010 091050036 M11M10M10 000 29 12 05 -11.6 -12.8 28.66 9 12 133 344 -011 091050036 M10M10M10 000 30 12 06 -12.1 -13.2 28.66 9 13 130 341 -006 091049035 M10M10M10 000 31 12 07 -12.8 -13.5 28.65 9 14 124 335 -007 094049034 M10M10M10 000 32 12 08 -13.2 -13.4 28.65 10 14 118 329 -005 098049033 M10M10M10 000 33 12 09 -13.1 -13.4 28.66 10 14 116 327 -010 098049033 M10M10M10 000 34 12 10 -13.3 -13.6 28.65 10 15 117 328 -005 098048033 M09M10M10 000 35 12 11 -13.4 -13.7 28.64 10 15 116 327 001 098047032 M09M09M10 000 36 12 12 -13.5 -14.1 28.64 10 17 115 326 -009 096046032 M09M09M10 000 37 12 13 -13.4 -14.3 28.64 11 19 111 322 -005 093046032 M09M09M10 000 38 12 14 -12.7 -14.7 28.64 11 19 111 322 -009 085045030 M09M09M09 000 39 12 15 -12.2 -14.6 28.65 12 20 110 321 -005 082042030 M09M09M09 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.