USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026111212 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 12 12 -22.4 -26.8 28.56 5 7 15 226 -005 066058051 M20M18M18 000 01 12 13 -23.0 -27.3 28.56 4 6 22 233 -006 068051051 M17M17M17 000 02 12 14 -20.4 -26.0 28.55 2 3 332 183 004 061052053 M17M17M18 000 03 12 15 -19.5 -25.3 28.55 1 3 253 104 -010 060053058 M17M17M18 000 04 12 16 -19.3 -24.8 28.55 1 3 230 81 002 062055058 M17M18M18 000 05 12 17 -19.1 -24.3 28.57 1 2 203 54 -010 063057051 M18M18M18 000 06 12 18 -18.9 -24.0 28.57 1 1 184 35 005 064057046 M18M18M18 000 07 12 19 -18.8 -23.8 28.58 2 2 188 39 003 065055045 M18M18M18 000 08 12 20 -18.8 -23.6 28.59 2 3 186 37 -004 066054046 M18M17M18 000 09 12 21 -19.0 -23.5 28.58 3 4 200 51 -001 068055046 M18M18M18 000 10 12 22 -19.3 -23.3 28.55 3 4 196 47 -001 071056045 M18M18M18 000 11 12 23 -19.2 -23.2 28.59 3 4 176 27 008 070053045 M17M18M18 000 12 13 00 -19.3 -23.3 28.59 3 4 150 1 -006 071051045 M18M18M18 000 13 13 01 -19.5 -23.4 28.60 3 4 129 340 -002 072050044 M18M18M18 000 14 13 02 -19.8 -23.7 28.59 4 4 92 303 -010 071048043 M18M18M18 000 15 13 03 -20.4 -24.3 28.60 5 5 57 268 -010 071048044 M17M18M18 000 16 13 04 -20.8 -24.8 28.60 5 6 54 265 001 071048044 M17M18M18 000 17 13 05 -20.7 -25.4 28.61 5 5 58 269 -000 066048045 M17M18M18 000 18 13 06 -20.6 -25.6 28.62 5 5 61 272 -008 064047046 M17M17M18 000 19 13 07 -20.4 -25.6 28.61 5 5 63 274 -009 063045046 M17M17M17 000 20 13 08 -20.2 -25.4 28.63 5 5 66 277 -005 063044047 M17M17M17 000 21 13 09 -20.0 -25.2 28.63 4 5 66 277 -004 063045046 M16M17M17 000 22 13 10 -19.8 -25.2 28.63 4 5 58 269 -016 062048044 M16M17M17 000 23 13 11 -19.7 -25.3 28.63 4 4 54 265 -012 061049045 M16M17M17 000 24 13 12 -19.6 -25.3 28.63 4 4 38 249 001 061049047 M16M17M17 000 25 13 13 -19.5 -25.3 28.65 4 4 26 237 -012 060048047 M16M16M17 000 26 13 14 -19.5 -25.2 28.67 4 5 9 220 -005 061046046 M16M16M17 000 27 13 15 -19.5 -25.0 28.66 4 5 358 209 -001 062046045 M16M16M17 000 28 13 16 -19.5 -24.8 28.66 5 5 349 199 -006 063046046 M16M16M17 000 29 13 17 -19.1 -24.5 28.69 5 6 347 198 -009 063046046 M16M16M17 000 30 13 18 -18.9 -24.1 28.69 5 6 346 197 -001 064045048 M16M16M17 000 31 13 19 -18.6 -23.7 28.70 5 6 350 201 001 064045047 M16M16M17 000 32 13 20 -18.1 -23.5 28.71 4 5 357 208 -010 063045046 M16M16M17 000 33 13 21 -17.8 -23.3 28.72 4 4 8 219 -012 062046045 M16M16M16 000 34 13 22 -17.5 -23.2 28.73 4 4 22 233 -013 061046045 M16M16M16 000 35 13 23 -17.3 -23.0 28.72 4 5 37 248 -013 061045045 M15M16M16 000 36 14 00 -17.2 -23.0 28.73 4 5 46 257 -004 061043045 M15M16M16 000 37 14 01 -17.4 -23.3 28.74 4 4 56 267 -009 060041046 M15M15M16 000 38 14 02 -17.2 -23.6 28.74 4 4 75 286 -010 058040044 M15M15M16 000 39 14 03 -17.6 -23.5 28.74 5 5 91 302 -002 060041041 M15M15M16 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.