USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025120112 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 01 12 -15.9 -17.7 29.29 2 3 45 256 -003 084079060 M13M13M13 000 01 01 13 -16.4 -17.8 29.27 4 5 32 243 002 089077059 M12M13M13 000 02 01 14 -15.5 -17.0 29.27 4 4 28 239 -007 088077061 M12M13M13 000 03 01 15 -14.7 -16.4 29.29 3 3 16 227 002 087079060 M13M13M13 000 04 01 16 -14.3 -16.0 29.29 2 3 13 224 -003 087083060 M13M13M14 000 05 01 17 -14.1 -15.7 29.29 2 2 24 235 -003 088083060 M13M13M13 000 06 01 18 -13.8 -15.4 29.29 1 1 58 269 001 088080059 M13M13M13 000 07 01 19 -13.6 -15.2 29.29 2 2 81 292 -003 087077058 M12M12M12 000 08 01 20 -13.0 -14.8 29.29 3 3 81 292 -006 087076058 M12M12M12 000 09 01 21 -12.6 -14.4 29.29 3 4 81 292 -008 086077059 M12M12M13 000 10 01 22 -12.2 -14.0 29.29 3 4 86 297 005 087079056 M12M12M13 000 11 01 23 -12.0 -13.8 29.29 2 2 107 318 -000 087079054 M12M12M12 000 12 02 00 -11.8 -13.6 29.30 2 3 111 322 -002 087078056 M12M12M12 000 13 02 01 -11.8 -13.5 29.30 2 3 118 329 -007 087076056 M12M12M12 000 14 02 02 -11.9 -13.6 29.31 3 4 118 329 -008 087076056 M12M12M12 000 15 02 03 -12.2 -14.0 29.32 4 4 116 327 -007 087075055 M12M12M12 000 16 02 04 -12.5 -14.4 29.33 4 4 116 327 -006 086073054 M11M12M12 000 17 02 05 -12.9 -14.8 29.33 4 4 120 331 -004 085071052 M11M11M12 000 18 02 06 -13.2 -15.3 29.33 4 5 117 328 000 085070051 M11M11M12 000 19 02 07 -13.5 -15.7 29.34 4 5 112 323 -003 084069049 M11M11M11 000 20 02 08 -13.5 -15.9 29.34 4 5 105 316 -002 082067047 M11M11M11 000 21 02 09 -13.3 -16.0 29.35 4 5 106 316 -005 080065047 M11M11M11 000 22 02 10 -13.6 -16.3 29.35 4 5 99 310 -011 080065046 M11M11M11 000 23 02 11 -13.8 -16.5 29.36 5 6 86 297 -003 080064045 M11M11M11 000 24 02 12 -13.8 -16.5 29.36 5 6 73 284 -002 080063043 M11M11M12 000 25 02 13 -13.5 -16.4 29.37 5 6 62 273 -002 079063043 M11M11M11 000 26 02 14 -13.0 -16.2 29.38 4 5 55 266 -005 076061043 M10M11M11 000 27 02 15 -12.6 -16.2 29.39 4 4 54 265 -007 075058044 M10M10M10 000 28 02 16 -12.0 -16.0 29.39 3 3 61 272 -003 072056045 M10M10M10 000 29 02 17 -11.5 -15.8 29.39 2 2 90 301 002 071055046 M10M10M10 000 30 02 18 -11.4 -15.1 29.39 3 3 108 319 -004 074054046 M10M10M10 000 31 02 19 -10.9 -14.4 29.39 5 6 110 321 -013 076053046 M10M10M10 000 32 02 20 -10.7 -13.6 29.38 5 7 112 323 -011 079052046 M10M10M10 000 33 02 21 -10.5 -13.2 29.38 5 8 113 324 -009 081050045 M09M09M10 000 34 02 22 -10.2 -12.9 29.37 6 8 116 327 -007 081047044 M09M09M09 000 35 02 23 -10.0 -12.8 29.36 6 9 122 333 -005 080045044 M09M09M09 000 36 03 00 -10.0 -12.8 29.35 7 9 130 341 -005 080043043 M09M08M09 000 37 03 01 -10.2 -12.9 29.34 8 11 137 348 -002 080042042 M09M08M08 000 38 03 02 -10.6 -13.3 29.32 9 12 142 353 011 081040041 M09M08M08 000 39 03 03 -11.0 -13.6 29.30 10 15 146 357 008 081038039 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.