USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026101500 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 15 00 -15.1 -17.7 28.77 10 11 15 226 -012 084045034 M15M14M14 000 01 15 01 -17.2 -19.4 28.79 10 14 18 229 014 083035035 M14M13M13 000 02 15 02 -17.6 -20.4 28.78 9 13 14 225 -016 079032040 M13M12M13 000 03 15 03 -17.7 -21.5 28.79 8 12 11 222 -005 073032043 M12M12M12 000 04 15 04 -17.6 -22.6 28.80 7 10 5 216 -020 065034044 M12M12M13 000 05 15 05 -17.1 -23.6 28.82 6 7 10 221 -052 057036045 M13M13M13 000 06 15 06 -16.6 -24.4 28.82 4 5 17 228 -066 051036046 M13M13M13 000 07 15 07 -16.7 -25.0 28.82 4 4 52 263 006 049037045 M13M13M14 000 08 15 08 -17.9 -25.0 28.84 6 6 63 274 031 054037045 M13M13M13 000 09 15 09 -18.1 -24.7 28.84 6 7 54 265 009 056037046 M13M13M13 000 10 15 10 -17.4 -24.6 28.83 5 6 49 260 -006 053037047 M12M12M13 000 11 15 11 -16.8 -24.6 28.84 4 5 47 258 -015 051037047 M12M12M13 000 12 15 12 -16.0 -24.8 28.83 1 2 79 290 -033 047037049 M12M12M13 000 13 15 13 -16.1 -25.1 28.84 3 5 192 43 -008 046037050 M12M12M13 000 14 15 14 -17.4 -25.5 28.84 5 7 176 27 005 049037053 M12M12M12 000 15 15 15 -19.5 -25.4 28.85 6 9 146 357 -001 060037056 M13M13M13 000 16 15 16 -19.9 -23.5 28.85 7 10 122 333 001 073040058 M13M13M13 000 17 15 17 -18.7 -20.5 28.84 6 8 112 323 005 086045058 M13M12M13 000 18 15 18 -17.1 -18.8 28.83 5 6 117 328 002 087048058 M12M12M12 000 19 15 19 -15.9 -18.3 28.83 4 6 159 10 -006 082051061 M12M12M12 000 20 15 20 -17.2 -19.4 28.83 6 9 177 28 -011 083056065 M13M12M12 000 21 15 21 -18.2 -19.8 28.82 8 12 175 26 018 087060059 M14M12M12 000 22 15 22 -19.2 -20.0 28.81 8 11 160 11 -016 093060059 M13M12M12 000 23 15 23 -18.8 -19.3 28.80 7 10 160 11 -001 097068057 M13M12M12 000 24 16 00 -17.9 -18.3 28.79 6 9 163 14 -005 097082052 M13M12M12 000 25 16 01 -17.3 -17.7 28.77 5 8 167 18 -010 097079047 M12M12M12 000 26 16 02 -17.5 -18.0 28.75 5 8 162 13 -023 096071041 M12M12M12 000 27 16 03 -18.1 -18.6 28.74 5 7 158 9 -024 096064043 M12M12M12 000 28 16 04 -18.7 -19.2 28.73 5 7 155 6 -016 096060044 M12M12M12 000 29 16 05 -19.1 -19.7 28.72 6 8 157 8 -017 096056043 M13M12M12 000 30 16 06 -19.4 -20.0 28.71 6 9 156 7 -009 095049041 M13M12M12 000 31 16 07 -19.9 -20.6 28.69 6 9 141 352 -008 094044040 M13M12M12 000 32 16 08 -20.6 -21.3 28.67 7 9 126 337 -002 094039038 M12M12M12 000 33 16 09 -20.3 -22.0 28.65 7 9 104 315 -021 086037037 M12M12M12 000 34 16 10 -20.5 -23.3 28.63 8 11 85 296 -014 078036038 M12M12M12 000 35 16 11 -20.5 -23.9 28.61 9 11 79 290 -029 075038041 M12M12M12 000 36 16 12 -20.4 -24.0 28.59 8 11 74 285 -032 073039039 M12M12M12 000 37 16 13 -19.7 -23.2 28.57 7 9 77 288 -021 074032047 M12M11M11 000 38 16 14 -20.3 -24.0 28.56 8 11 75 286 -019 073041034 M12M11M11 000 39 16 15 -20.8 -24.6 28.55 10 13 70 281 -024 072034031 M12M11M11 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.