USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026101700 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 17 00 -16.7 -23.7 28.43 5 7 86 297 -005 060033041 M14M12M12 000 01 17 01 -18.0 -23.2 28.43 6 6 73 284 017 064036042 M13M12M12 000 02 17 02 -18.1 -23.6 28.42 5 6 91 302 011 062039042 M13M11M11 000 03 17 03 -18.9 -23.7 28.39 8 11 98 309 -010 066042045 M13M12M11 000 04 17 04 -19.1 -23.7 28.38 9 13 101 312 -024 067043045 M13M11M11 000 05 17 05 -19.2 -23.1 28.36 12 19 93 304 003 071045044 M12M11M10 000 06 17 06 -19.2 -22.0 28.35 13 21 81 292 065 078041039 M11M10M09 000 07 17 07 -18.4 -21.0 28.33 13 20 77 288 028 080043037 M10M09M09 000 08 17 08 -17.5 -20.4 28.32 12 19 78 289 037 079037036 M09M08M08 000 09 17 09 -17.4 -20.6 28.30 11 16 88 299 053 076035035 M09M08M08 000 10 17 10 -17.8 -20.5 28.29 12 19 91 302 050 079040039 M09M08M08 000 11 17 11 -17.5 -20.7 28.28 12 19 86 297 046 076040039 M08M08M09 000 12 17 12 -16.9 -20.7 28.24 12 20 93 304 042 072041041 M08M08M09 000 13 17 13 -16.8 -20.8 28.24 12 20 94 305 027 072045044 M08M09M09 000 14 17 14 -16.2 -20.2 28.23 12 19 90 301 035 071046052 M08M09M09 000 15 17 15 -15.2 -19.4 28.22 11 17 94 305 029 071047052 M09M09M10 000 16 17 16 -14.9 -18.9 28.23 11 17 92 303 040 072047054 M09M10M10 000 17 17 17 -14.7 -18.7 28.20 11 19 78 289 015 072047053 M09M10M10 000 18 17 18 -15.5 -19.3 28.19 11 17 69 280 -003 073047054 M09M10M10 000 19 17 19 -15.7 -19.3 28.19 11 17 62 273 011 074048050 M10M10M11 000 20 17 20 -16.0 -19.4 28.22 11 18 57 268 026 075050051 M10M10M11 000 21 17 21 -16.7 -19.7 28.21 12 18 59 270 041 077048049 M11M10M11 000 22 17 22 -16.9 -19.9 28.22 12 19 58 269 037 078045048 M10M10M10 000 23 17 23 -17.4 -20.1 28.21 14 20 60 271 041 079043051 M10M09M10 000 24 18 00 -17.2 -20.2 28.22 15 22 65 276 039 078041062 M10M09M10 000 25 18 01 -17.1 -20.4 28.24 15 24 65 276 -003 076040045 M10M09M09 000 26 18 02 -16.9 -20.4 28.25 16 25 67 278 -046 074043045 M10M09M09 000 27 18 03 -16.8 -20.2 28.27 16 25 67 278 -091 076039045 M10M09M08 000 28 18 04 -16.5 -19.4 28.27 16 25 69 280 -078 078041049 M10M08M08 000 29 18 05 -16.2 -19.1 28.29 16 26 70 281 -120 078041045 M09M08M08 000 30 18 06 -16.4 -19.2 28.30 18 29 69 280 -122 079040038 M09M07M08 000 31 18 07 -16.6 -19.5 28.31 18 29 68 279 -168 078039039 M08M07M08 000 32 18 08 -16.9 -19.8 28.33 18 28 67 278 -176 078046043 M08M08M08 000 33 18 09 -17.3 -20.0 28.35 18 29 67 278 -138 079053050 M08M08M08 000 34 18 10 -17.4 -20.1 28.36 18 29 67 278 -127 079053050 M08M08M08 000 35 18 11 -17.3 -20.0 28.37 18 28 65 276 -177 080055054 M08M08M09 000 36 18 12 -17.3 -19.8 28.39 18 29 64 275 -224 080059053 M08M08M09 000 37 18 13 -17.3 -20.2 28.40 19 31 65 276 -277 078058049 M08M08M09 000 38 18 14 -17.6 -20.7 28.41 19 32 64 275 -321 077053048 M08M08M09 000 39 18 15 -17.3 -20.4 28.42 20 33 64 275 -267 077052049 M08M08M09 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.