USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026111212 WRF 24km 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 -21.5 -26.0 28.61 4 6 25 236 -002 067057050 M19M18M17 000 03 12 15 -20.6 -25.7 28.60 3 4 49 260 -005 064057053 M17M17M18 000 06 12 18 -19.6 -24.3 28.62 2 3 58 268 003 066057049 M18M18M18 000 09 12 21 -19.3 -23.5 28.63 2 2 192 43 -002 070056048 M18M17M18 000 12 13 00 -19.3 -23.1 28.64 2 3 142 353 -004 072055047 M18M18M18 000 15 13 03 -20.3 -24.0 28.65 3 3 88 299 -006 072052044 M18M18M18 000 18 13 06 -21.0 -25.4 28.67 4 4 88 299 -003 068050045 M17M17M17 000 21 13 09 -20.9 -25.6 28.68 4 4 97 308 -003 066048045 M17M17M17 000 24 13 12 -20.5 -25.7 28.68 3 4 68 279 -001 064048046 M17M17M17 000 27 13 15 -20.4 -25.3 28.71 3 5 20 231 -002 065047045 M17M16M16 000 30 13 18 -19.3 -24.2 28.73 3 5 5 216 -001 065047045 M17M16M16 000 33 13 21 -18.0 -23.1 28.77 3 4 33 244 -006 064045045 M16M16M16 000 36 14 00 -17.4 -22.4 28.78 3 4 75 286 -005 065043044 M16M15M16 000 39 14 03 -17.8 -23.2 28.79 4 4 116 327 -004 063041040 M15M15M15 000 42 14 06 -20.0 -25.0 28.80 7 7 115 326 -005 064037036 M14M14M15 000 45 14 09 -21.0 -25.6 28.78 8 10 93 304 -009 067036036 M13M13M14 000 48 14 12 -19.9 -25.4 28.75 8 10 103 314 -016 062035033 M12M12M13 000 51 14 15 -18.8 -24.3 28.73 9 13 123 334 -012 062029029 M12M12M12 000 54 14 18 -16.9 -21.1 28.66 11 17 123 334 -009 070029028 M11M10M10 000 57 14 21 -15.9 -19.3 28.56 16 26 111 322 -008 075029024 M12M10M09 000 60 15 00 -13.6 -16.2 28.45 19 30 105 316 -008 081040030 M13M11M10 000 63 15 03 -11.9 -14.1 28.32 20 34 98 309 013 084079074 M12M13M13 000 66 15 06 -12.1 -13.9 28.20 17 29 95 306 040 087076075 M12M12M13 004 69 15 09 -14.0 -15.8 28.15 14 24 62 273 -021 087068070 M11M11M11 000 72 15 12 -16.2 -17.4 28.18 16 30 42 252 -021 091048047 M13M11M10 000 75 15 15 -15.5 -18.1 28.26 12 23 59 270 -022 080050053 M10M09M10 000 78 15 18 -12.7 -15.1 28.34 14 23 70 281 -013 082053055 M09M09M09 000 81 15 21 -12.2 -14.6 28.43 15 26 51 262 -079 083055053 M09M09M10 000 84 16 00 -10.6 -13.4 28.51 17 29 64 274 -061 080052045 M08M08M08 000 87 16 03 -10.3 -13.3 28.57 14 25 71 282 -006 079051044 M07M07M07 000 90 16 06 -11.0 -14.1 28.60 13 23 76 287 -024 078037036 M05M05M06 000 93 16 09 -12.2 -15.1 28.63 11 19 81 292 -030 079035046 M04M04M05 000 96 16 12 -12.3 -15.5 28.65 13 21 91 302 -012 077032036 M03M03M04 000 99 16 15 -11.4 -14.8 28.65 14 23 90 301 -031 076026027 M03M03M03 000 102 16 18 -9.9 -12.5 28.62 17 26 94 305 -003 081034031 M06M05M05 000 105 16 21 -8.2 -10.8 28.56 21 33 89 300 -021 082044039 M07M07M08 000 108 17 00 -7.0 -9.2 28.48 20 33 102 313 -059 084059046 M07M07M08 000 111 17 03 -6.9 -9.2 28.40 22 36 93 304 -020 084063051 M07M07M08 000 114 17 06 -8.0 -10.4 28.39 21 35 89 300 -041 083057046 M07M07M08 000 117 17 09 -10.2 -12.4 28.40 20 34 82 292 -040 084043038 M08M07M08 000 120 17 12 -12.2 -14.3 28.45 16 27 77 288 -034 084041042 M08M07M08 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.