USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026111212 WRF 8km 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 -22.0 -26.5 28.58 4 7 17 228 -002 066057050 M20M18M18 000 03 12 15 -19.9 -25.4 28.57 1 3 287 138 -007 061055056 M17M17M18 000 06 12 18 -19.1 -24.1 28.58 1 2 117 328 005 065057047 M18M18M18 000 09 12 21 -19.1 -23.4 28.60 2 3 202 53 -001 069056047 M18M18M18 000 12 13 00 -19.3 -23.1 28.61 3 3 150 1 -005 072053045 M18M18M18 000 15 13 03 -20.3 -24.1 28.62 4 4 68 279 -007 072049044 M18M18M18 000 18 13 06 -20.6 -25.5 28.63 4 5 71 282 -005 065047045 M17M17M18 000 21 13 09 -20.3 -25.3 28.65 4 4 78 289 -001 064047045 M17M17M17 000 24 13 12 -19.8 -25.4 28.65 3 4 49 260 -000 061048046 M16M17M17 000 27 13 15 -19.9 -25.1 28.68 4 5 3 214 -000 063046046 M16M16M17 000 30 13 18 -19.1 -24.2 28.70 4 6 349 200 001 064046047 M16M16M17 000 33 13 21 -17.8 -23.2 28.73 3 4 14 225 -008 063045045 M16M16M16 000 36 14 00 -17.2 -22.8 28.74 4 4 54 265 -003 062043045 M15M15M16 000 39 14 03 -17.6 -23.4 28.76 5 5 100 311 -003 061041041 M15M15M16 000 42 14 06 -20.0 -25.2 28.77 7 9 106 317 -007 063034035 M14M14M15 000 45 14 09 -21.0 -25.7 28.75 9 14 83 294 -011 066037036 M13M13M14 000 48 14 12 -19.9 -25.5 28.72 8 12 92 303 -026 061035032 M12M13M13 000 51 14 15 -18.7 -24.5 28.70 10 16 121 332 -013 061028027 M12M12M13 000 54 14 18 -16.9 -21.2 28.63 11 19 118 329 -008 069029027 M10M10M10 000 57 14 21 -16.1 -19.6 28.54 16 28 105 316 -022 074026025 M12M09M09 000 60 15 00 -13.8 -16.3 28.42 19 30 101 312 -027 081036028 M13M11M10 000 63 15 03 -12.1 -14.3 28.29 23 36 94 305 -045 083083069 M13M13M13 000 66 15 06 -12.3 -14.1 28.19 14 27 92 303 073 087082079 M12M13M14 005 69 15 09 -14.1 -15.9 28.12 16 25 62 273 -039 086066068 M11M11M11 000 72 15 12 -16.3 -17.5 28.16 17 29 41 252 -051 091044048 M13M11M11 000 75 15 15 -15.5 -18.2 28.24 13 23 52 263 -051 080051054 M10M10M11 000 78 15 18 -12.8 -15.3 28.32 15 24 70 281 -037 082053056 M10M09M10 000 81 15 21 -12.3 -14.8 28.41 16 25 49 260 -124 082055054 M10M10M10 000 84 16 00 -10.7 -13.6 28.49 18 29 62 273 -114 079055044 M08M09M09 000 87 16 03 -10.4 -13.5 28.55 14 24 72 283 -006 078054044 M07M07M08 000 90 16 06 -11.0 -14.2 28.58 14 24 71 282 -050 077037036 M06M06M07 000 93 16 09 -12.3 -15.3 28.62 12 20 76 287 -054 078036049 M04M04M05 000 96 16 12 -12.4 -15.7 28.63 13 22 89 300 -036 076032037 M03M04M05 000 99 16 15 -11.5 -15.0 28.64 14 24 86 297 -052 075025028 M03M03M04 000 102 16 18 -10.1 -12.7 28.61 17 26 91 302 -022 081033031 M07M05M05 000 105 16 21 -8.4 -11.0 28.54 22 33 87 298 -028 082044040 M08M08M08 000 108 17 00 -7.1 -9.5 28.46 20 34 100 311 -075 084061045 M07M08M09 000 111 17 03 -7.0 -9.4 28.39 22 36 89 300 -025 083065050 M07M08M09 000 114 17 06 -8.2 -10.7 28.37 21 36 86 297 -059 082058047 M08M08M09 000 117 17 09 -10.4 -12.7 28.39 20 34 79 290 -046 083041039 M09M08M09 000 120 17 12 -12.4 -14.5 28.43 17 27 76 287 -053 084040041 M09M08M09 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.