USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026010800 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 08 00 -9.7 -13.3 28.94 3 3 330 181 -001 083056041 M09M10M10 000 01 08 01 -9.6 -12.2 28.94 4 5 306 157 -001 081053039 M09M09M10 000 02 08 02 -9.6 -11.7 28.92 4 5 286 137 000 084052038 M10M09M10 000 03 08 03 -9.6 -11.5 28.92 3 5 253 104 010 086051038 M10M10M10 000 04 08 04 -10.0 -11.6 28.90 3 3 223 74 -001 088049039 M10M10M10 000 05 08 05 -10.2 -11.9 28.89 2 2 178 29 003 087049039 M10M10M10 000 06 08 06 -10.5 -12.5 28.88 1 1 80 291 000 085052040 M10M10M10 000 07 08 07 -10.9 -12.9 28.87 3 3 12 223 -002 085054041 M10M10M10 000 08 08 08 -11.3 -12.9 28.86 3 3 339 190 004 088054042 M10M10M10 000 09 08 09 -11.6 -13.2 28.85 3 3 311 162 -003 088053043 M10M10M10 000 10 08 10 -11.9 -13.5 28.84 3 3 292 143 001 088051044 M10M10M10 000 11 08 11 -12.1 -13.8 28.83 2 2 300 151 000 087051044 M10M10M11 000 12 08 12 -12.2 -14.0 28.81 2 2 321 172 -007 087053044 M11M11M11 000 13 08 13 -12.8 -14.3 28.81 4 4 339 190 001 089055044 M11M11M11 000 14 08 14 -13.5 -14.5 28.81 5 6 344 195 -001 093055043 M11M11M11 000 15 08 15 -13.4 -14.2 28.80 6 7 350 201 001 094056043 M11M11M11 000 16 08 16 -13.6 -14.0 28.80 6 8 353 204 -002 096058042 M11M11M11 000 17 08 17 -13.3 -13.5 28.80 6 8 352 203 -004 099058042 M11M11M11 000 18 08 18 -12.7 -12.9 28.79 6 7 345 196 -004 099059041 M11M11M11 000 19 08 19 -12.4 -12.5 28.79 6 6 341 192 -002 099062041 M11M11M11 000 20 08 20 -12.1 -12.2 28.78 6 6 343 194 000 099065040 M12M12M12 000 21 08 21 -11.8 -11.9 28.78 6 6 338 189 -006 100066040 M12M12M12 000 22 08 22 -11.6 -11.7 28.77 5 6 340 191 -001 099066040 M13M12M12 000 23 08 23 -11.5 -11.5 28.78 5 5 338 189 -001 100066040 M13M12M12 000 24 09 00 -11.4 -11.5 28.77 6 6 335 186 002 100066040 M13M12M12 000 25 09 01 -11.4 -11.4 28.78 6 6 332 183 012 100068041 M13M12M12 000 26 09 02 -11.4 -11.5 28.78 6 6 336 187 003 100067042 M13M12M12 000 27 09 03 -11.5 -11.6 28.78 6 6 337 188 -002 099066042 M13M12M12 000 28 09 04 -11.6 -11.7 28.78 5 5 338 189 -005 099069043 M13M12M12 000 29 09 05 -11.7 -11.8 28.79 5 5 341 192 -003 099073044 M14M12M12 000 30 09 06 -12.1 -12.2 28.79 4 5 351 202 004 099072045 M14M12M12 000 31 09 07 -12.3 -12.5 28.80 5 5 358 209 004 099067046 M14M12M12 000 32 09 08 -12.7 -12.9 28.80 6 7 358 209 002 099064047 M14M12M12 000 33 09 09 -13.0 -13.2 28.81 7 8 357 208 004 099062048 M14M12M12 000 34 09 10 -13.2 -13.4 28.81 7 9 357 208 -000 099063049 M13M12M12 000 35 09 11 -13.6 -13.8 28.82 8 9 1 212 -003 098065049 M13M12M12 000 36 09 12 -13.8 -14.0 28.82 8 10 358 209 -004 098066049 M13M12M12 000 37 09 13 -13.9 -14.1 28.83 9 10 355 206 -001 098065049 M13M12M12 000 38 09 14 -13.8 -14.1 28.85 9 11 353 204 002 098065050 M13M12M13 000 39 09 15 -13.7 -13.9 28.86 9 11 354 205 005 099066050 M13M12M13 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.