USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025122312 WRF 8km 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 23 12 -17.5 -21.8 29.09 7 7 167 18 -001 079046047 M16M16M16 000 03 23 15 -19.2 -22.0 29.07 6 8 186 37 006 078052059 M16M16M17 000 06 23 18 -18.3 -20.6 29.07 5 7 178 29 -006 082057057 M17M17M17 000 09 23 21 -16.7 -19.2 29.05 4 5 174 25 -011 081052045 M16M17M17 000 12 24 00 -16.5 -18.8 29.01 7 8 153 4 -008 082061056 M17M17M18 000 15 24 03 -16.8 -19.1 29.00 8 10 141 352 -008 082065040 M16M16M16 000 18 24 06 -17.6 -20.2 28.99 10 13 142 353 016 080033040 M14M14M14 000 21 24 09 -18.1 -20.1 28.97 11 18 152 3 018 085041049 M14M13M13 000 24 24 12 -17.4 -19.7 28.95 9 13 127 338 031 082063037 M12M12M13 000 27 24 15 -15.9 -19.6 28.98 11 19 79 290 026 073047024 M13M13M13 000 30 24 18 -16.1 -18.3 29.01 11 19 66 277 029 083040026 M14M13M13 000 33 24 21 -15.5 -17.8 29.04 10 15 63 274 030 082028021 M15M13M12 000 36 25 00 -14.3 -17.3 29.05 8 12 71 282 014 078025024 M13M11M11 000 39 25 03 -13.0 -17.4 29.07 7 9 86 297 019 069027037 M10M09M10 000 42 25 06 -12.6 -19.7 29.09 6 8 100 311 -018 055031037 M08M09M10 000 45 25 09 -13.7 -19.0 29.09 7 9 128 339 -004 064028031 M08M08M09 000 48 25 12 -13.7 -17.2 29.08 7 9 125 336 001 075031031 M08M08M08 000 51 25 15 -12.4 -15.7 29.11 6 8 129 340 -015 077029030 M07M08M08 000 54 25 18 -10.7 -13.6 29.10 6 8 149 0 -006 079031029 M08M08M08 000 57 25 21 -9.0 -11.7 29.10 5 6 166 17 -011 081036029 M08M08M09 000 60 26 00 -8.5 -10.8 29.10 6 7 179 30 -012 083040028 M08M08M08 000 63 26 03 -9.1 -10.9 29.10 6 7 186 37 -007 087038029 M08M08M08 000 66 26 06 -10.9 -12.8 29.10 6 7 174 25 -008 086035028 M08M08M08 000 69 26 09 -12.5 -15.4 29.10 5 5 147 358 -003 079033029 M08M07M08 000 72 26 12 -12.7 -16.2 29.09 5 5 120 331 -003 075036029 M08M08M08 000 75 26 15 -11.9 -14.6 29.11 5 7 104 315 -005 080032028 M08M07M08 000 78 26 18 -9.8 -12.6 29.12 4 5 95 306 -006 080032027 M08M08M08 000 81 26 21 -8.1 -10.6 29.13 2 3 90 301 -003 083036027 M08M08M08 000 84 27 00 -7.2 -9.2 29.14 0 1 92 303 -001 086039029 M08M08M08 000 87 27 03 -7.2 -8.6 29.15 1 2 193 44 -009 089043029 M08M08M08 000 90 27 06 -8.3 -9.9 29.16 2 2 128 339 -002 088042032 M08M08M08 000 93 27 09 -9.5 -11.2 29.17 1 2 49 260 -005 088042032 M08M08M09 000 96 27 12 -10.0 -12.4 29.16 2 2 111 322 -010 083042032 M08M08M08 000 99 27 15 -10.1 -13.1 29.17 3 3 120 331 -005 078040033 M08M08M08 000 102 27 18 -8.6 -11.6 29.18 4 6 123 334 -006 079036033 M08M08M08 000 105 27 21 -7.1 -10.0 29.17 6 7 133 343 -009 080030032 M07M07M08 000 108 28 00 -6.6 -9.7 29.16 8 10 132 343 -007 079026027 M07M07M07 000 111 28 03 -6.9 -8.7 29.16 9 11 127 338 -005 087044038 M06M06M07 000 114 28 06 -7.9 -9.3 29.15 9 13 122 333 -001 090034035 M06M06M07 000 117 28 09 -8.8 -9.8 29.14 9 14 124 335 006 093046037 M06M06M07 000 120 28 12 -9.0 -10.7 29.11 8 12 114 325 004 088052035 M05M06M07 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.