USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026101612 WRF thwaites 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 16 12 -22.0 -24.9 28.64 3 5 48 259 -005 077058042 M20M17M14 000 01 16 13 -24.0 -27.2 28.62 4 5 58 269 017 075048041 M16M13M13 000 02 16 14 -21.2 -25.8 28.60 3 4 56 267 -023 066050044 M14M13M13 000 03 16 15 -20.0 -25.1 28.58 3 3 67 278 009 064051045 M14M14M13 000 04 16 16 -19.9 -24.8 28.56 3 3 72 283 -021 065051045 M15M14M13 000 05 16 17 -20.2 -24.6 28.55 4 4 77 288 -000 068053045 M15M14M13 000 06 16 18 -20.0 -24.1 28.52 3 4 64 275 -013 070051047 M15M14M13 000 07 16 19 -19.6 -23.6 28.51 4 4 77 288 -007 071049049 M15M13M13 000 08 16 20 -19.2 -23.7 28.49 4 5 100 311 -016 068048050 M14M13M13 000 09 16 21 -20.2 -24.6 28.48 6 8 106 317 -014 068045048 M14M13M13 000 10 16 22 -20.1 -24.9 28.46 7 8 111 322 -010 066041042 M13M12M12 000 11 16 23 -20.1 -25.1 28.43 8 10 114 325 -011 064035037 M13M12M12 000 12 17 00 -20.4 -25.4 28.42 10 13 104 315 -003 065035035 M13M12M12 000 13 17 01 -20.3 -25.4 28.41 11 16 92 303 -000 064033038 M13M12M11 000 14 17 02 -20.2 -25.5 28.39 10 15 87 298 003 063035044 M12M11M11 000 15 17 03 -19.9 -24.8 28.37 11 17 89 300 035 065034040 M12M11M11 000 16 17 04 -20.5 -25.2 28.35 12 19 85 296 060 066035042 M12M10M10 000 17 17 05 -20.5 -24.9 28.33 13 20 82 293 106 068034039 M11M10M09 000 18 17 06 -20.7 -24.3 28.31 14 22 78 289 057 073036041 M12M10M09 000 19 17 07 -20.9 -23.9 28.30 14 22 74 285 054 077038043 M12M10M09 000 20 17 08 -21.1 -23.7 28.28 14 22 71 282 058 080037041 M11M09M09 000 21 17 09 -20.8 -23.5 28.27 13 21 68 279 048 079035040 M11M09M08 000 22 17 10 -20.5 -23.3 28.25 13 20 69 280 055 078037038 M11M09M08 000 23 17 11 -20.5 -23.3 28.23 13 19 68 279 085 078036037 M10M08M08 000 24 17 12 -20.7 -23.3 28.22 13 20 76 287 070 080037035 M10M09M08 000 25 17 13 -20.1 -22.9 28.22 14 21 73 284 069 078037035 M10M09M08 000 26 17 14 -19.7 -22.7 28.21 14 22 68 279 035 077036036 M10M08M08 000 27 17 15 -19.3 -22.6 28.21 14 22 64 275 044 075035037 M09M08M08 000 28 17 16 -18.9 -22.5 28.20 14 22 60 271 042 074035038 M09M08M08 000 29 17 17 -18.4 -22.2 28.20 14 21 58 269 056 072035039 M09M08M08 000 30 17 18 -18.4 -22.1 28.20 14 21 58 269 042 072035040 M09M08M08 000 31 17 19 -17.5 -21.6 28.21 13 20 55 266 002 070037042 M09M08M08 000 32 17 20 -17.4 -21.4 28.21 12 19 53 264 007 071038043 M09M08M08 000 33 17 21 -17.8 -21.7 28.22 13 20 56 267 005 072038044 M10M08M09 000 34 17 22 -17.7 -21.6 28.23 13 20 55 266 -016 071039043 M10M08M09 000 35 17 23 -17.3 -21.3 28.24 13 19 58 269 -005 071039042 M10M08M09 000 36 18 00 -17.2 -21.3 28.25 13 20 59 270 043 071040039 M09M08M09 000 37 18 01 -17.1 -21.3 28.26 15 22 59 270 066 070039037 M09M08M08 000 38 18 02 -17.0 -21.3 28.27 16 23 65 276 021 069038051 M09M08M08 000 39 18 03 -17.2 -21.2 28.29 17 26 68 279 -000 071037041 M09M08M08 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.