USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025122312 WRF 2.67-km 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 23 12 -17.9 -21.8 29.07 8 8 165 16 005 079047049 M16M16M17 000 01 23 13 -20.1 -23.1 29.06 6 8 172 23 030 077047052 M16M16M17 000 02 23 14 -19.8 -22.9 29.08 6 9 178 29 018 076050057 M16M16M17 000 03 23 15 -19.3 -22.2 29.06 6 9 179 30 015 078052060 M16M16M17 000 04 23 16 -19.0 -21.7 29.06 6 9 184 35 025 079057062 M17M17M17 000 05 23 17 -18.8 -21.2 29.06 6 9 185 36 022 081059059 M17M17M18 000 06 23 18 -18.4 -20.7 29.06 5 7 172 23 005 082057057 M17M17M18 000 07 23 19 -17.8 -20.2 29.04 4 7 167 18 -014 081054053 M17M17M18 000 08 23 20 -17.2 -19.8 29.04 4 6 166 17 -024 080051047 M17M17M18 000 09 23 21 -16.8 -19.3 29.03 4 6 168 19 -013 081051044 M17M17M18 000 10 23 22 -16.5 -19.1 29.03 6 6 166 17 -010 081052044 M17M17M18 000 11 23 23 -16.5 -18.9 29.01 6 7 157 8 -009 082056050 M17M17M18 000 12 24 00 -16.6 -18.8 29.00 7 8 148 359 -011 083062055 M17M17M18 000 13 24 01 -16.7 -18.9 29.01 7 8 140 351 -011 083064049 M17M17M17 000 14 24 02 -16.7 -19.0 29.00 7 9 138 349 -005 083050041 M16M16M17 000 15 24 03 -17.0 -19.3 28.99 9 12 134 345 -002 083063037 M16M16M16 000 16 24 04 -17.1 -19.2 28.99 9 12 133 344 014 084078048 M15M15M16 000 17 24 05 -17.4 -19.7 28.99 9 13 135 346 025 082046049 M14M14M15 000 18 24 06 -17.8 -20.3 28.97 10 17 136 347 032 081032040 M14M14M14 000 19 24 07 -18.2 -20.3 28.97 11 18 142 353 026 083029041 M14M14M14 000 20 24 08 -18.2 -20.1 28.97 11 19 146 357 002 086030062 M15M14M13 000 21 24 09 -18.3 -20.1 28.96 10 18 146 357 012 085043047 M14M13M14 000 22 24 10 -18.1 -20.4 28.96 9 15 141 352 027 082053048 M13M12M13 000 23 24 11 -17.7 -20.3 28.94 9 13 135 346 019 080063038 M12M12M13 000 24 24 12 -17.4 -19.7 28.94 9 14 121 332 031 082063037 M12M12M13 000 25 24 13 -17.0 -19.2 28.96 10 15 96 307 039 083036032 M13M13M13 000 26 24 14 -16.3 -19.4 28.97 11 18 79 289 033 077042024 M13M13M13 000 27 24 15 -15.8 -19.7 28.97 13 21 76 287 039 072046023 M14M13M13 000 28 24 16 -16.0 -19.2 28.97 14 21 71 282 027 076033025 M14M13M13 000 29 24 17 -16.4 -18.9 28.99 13 20 66 277 032 082039026 M14M13M13 000 30 24 18 -16.2 -18.5 28.99 12 19 64 275 038 083038025 M14M13M13 000 31 24 19 -16.0 -18.4 28.99 12 19 64 275 038 082036023 M14M13M12 000 32 24 20 -15.8 -18.1 29.01 12 17 61 272 053 083028021 M14M13M12 000 33 24 21 -15.6 -18.0 29.02 11 16 61 272 055 082024020 M14M13M12 000 34 24 22 -15.4 -17.9 29.03 10 15 62 273 057 081025020 M14M12M12 000 35 24 23 -14.9 -17.7 29.03 10 14 63 274 061 080024021 M13M12M11 000 36 25 00 -14.4 -17.6 29.03 9 14 66 277 055 077023024 M12M11M11 000 37 25 01 -13.8 -17.6 29.06 10 14 68 279 033 073022032 M11M10M10 000 38 25 02 -13.4 -17.7 29.05 10 15 70 281 050 070024035 M10M09M10 000 39 25 03 -13.0 -17.9 29.06 9 13 72 283 063 067028037 M09M09M10 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 1h) 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.