USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026011212 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 12 12 -13.2 -16.3 28.65 8 8 136 347 -001 080060038 M13M12M12 000 01 12 13 -16.4 -18.2 28.65 7 9 128 339 -004 086052036 M12M11M11 000 02 12 14 -15.8 -18.1 28.67 7 10 130 341 -006 083051036 M11M11M11 000 03 12 15 -15.2 -17.8 28.67 8 11 129 340 -019 081050037 M11M11M11 000 04 12 16 -14.8 -17.7 28.68 8 11 122 333 -011 078049038 M11M11M11 000 05 12 17 -14.2 -17.5 28.68 8 11 118 329 -003 076048034 M11M11M11 000 06 12 18 -13.7 -17.2 28.69 7 10 119 330 007 075047031 M11M11M11 000 07 12 19 -13.2 -16.9 28.70 7 9 119 330 -008 074046031 M11M10M11 000 08 12 20 -12.7 -16.7 28.71 6 9 119 330 -010 072046032 M10M10M11 000 09 12 21 -12.3 -16.3 28.71 6 9 127 338 -002 072045031 M10M10M11 000 10 12 22 -12.1 -15.8 28.72 7 10 130 341 005 074045027 M10M10M11 000 11 12 23 -11.9 -15.4 28.72 7 10 132 343 -004 075044025 M10M10M10 000 12 13 00 -11.8 -15.3 28.73 7 10 121 332 -015 075043026 M10M10M10 000 13 13 01 -11.8 -15.3 28.73 7 10 118 329 -005 075042025 M10M10M10 000 14 13 02 -11.8 -15.7 28.74 7 9 111 322 001 073041025 M10M10M10 000 15 13 03 -11.9 -16.2 28.74 7 9 110 321 010 071039024 M10M09M10 000 16 13 04 -12.1 -16.8 28.74 7 9 99 310 -000 068038024 M09M09M10 000 17 13 05 -12.4 -17.3 28.74 7 10 89 300 -005 067037025 M09M09M10 000 18 13 06 -12.7 -17.8 28.73 7 9 81 292 -002 066037027 M08M09M10 000 19 13 07 -12.8 -18.1 28.74 7 9 74 285 001 064036030 M08M09M09 000 20 13 08 -13.1 -18.3 28.74 8 10 64 275 -001 065036030 M08M09M09 000 21 13 09 -13.4 -18.6 28.74 8 10 59 270 001 065035029 M08M09M09 000 22 13 10 -13.1 -18.9 28.74 7 9 55 266 002 062032035 M08M08M09 000 23 13 11 -12.8 -18.0 28.73 7 8 51 262 010 065030067 M08M08M09 000 24 13 12 -12.6 -16.1 28.73 7 9 47 258 007 075042096 M07M08M09 000 25 13 13 -12.3 -14.6 28.73 8 10 40 251 -001 083070097 M07M08M08 000 26 13 14 -11.6 -13.0 28.74 9 13 33 244 004 089088092 M07M08M08 000 27 13 15 -10.9 -11.7 28.74 9 14 26 237 007 094094091 M07M08M08 000 28 13 16 -9.8 -10.5 28.74 9 14 17 228 005 095097091 M07M08M09 001 29 13 17 -9.3 -9.6 28.74 9 13 14 225 015 098096090 M07M08M09 001 30 13 18 -8.6 -8.8 28.75 9 14 11 222 017 099097090 M07M08M09 001 31 13 19 -7.6 -7.7 28.75 10 16 9 220 017 099099090 M07M08M09 002 32 13 20 -6.5 -6.6 28.76 11 16 8 219 020 099100090 M07M08M09 003 33 13 21 -6.7 -6.8 28.76 11 15 9 220 025 099098089 M07M08M09 003 34 13 22 -7.4 -7.5 28.76 11 16 12 223 014 099092089 M07M08M09 003 35 13 23 -7.7 -8.0 28.76 11 16 11 222 012 098098089 M08M08M09 001 36 14 00 -7.8 -8.0 28.76 11 16 10 221 009 099094090 M08M08M09 000 37 14 01 -7.8 -8.1 28.76 11 16 12 223 005 099094088 M08M09M09 000 38 14 02 -8.0 -8.4 28.76 11 16 15 226 -008 098096087 M08M09M10 000 39 14 03 -8.3 -8.5 28.76 10 15 17 228 -010 099095087 M08M09M10 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.