USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025122300 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 00 -13.7 -17.6 29.07 4 6 66 277 -002 077055036 M14M15M15 000 03 23 03 -14.1 -16.7 29.07 4 6 115 326 -004 081048043 M15M15M15 000 06 23 06 -15.7 -18.6 29.07 7 10 119 330 -006 079046047 M15M15M16 000 09 23 09 -17.4 -19.9 29.06 7 10 128 339 -012 081048052 M15M16M16 000 12 23 12 -18.0 -20.3 29.04 7 10 144 355 -004 082045052 M16M16M16 000 15 23 15 -17.6 -19.6 29.04 8 11 162 13 003 085048042 M16M16M17 000 18 23 18 -16.6 -18.7 29.04 9 10 159 10 -007 084052047 M17M17M17 000 21 23 21 -15.7 -18.3 29.02 9 9 162 13 -005 080056045 M16M17M17 000 24 24 00 -15.5 -17.8 29.01 11 11 166 17 -008 082068045 M17M17M17 000 27 24 03 -15.7 -17.4 29.00 11 12 160 11 -003 087071034 M16M15M16 000 30 24 06 -16.0 -17.7 28.98 11 16 157 8 005 087040045 M14M13M14 000 33 24 09 -16.4 -17.4 28.98 8 13 173 24 007 092030046 M13M12M12 000 36 24 12 -15.6 -17.4 28.96 6 8 158 9 001 086064040 M11M11M12 000 39 24 15 -14.1 -16.1 28.99 7 12 79 290 003 085057026 M11M11M12 000 42 24 18 -13.1 -14.9 29.03 8 13 55 266 -004 086050024 M12M12M12 000 45 24 21 -11.8 -14.0 29.06 6 9 59 270 -003 083035025 M11M11M12 000 48 25 00 -10.4 -14.0 29.06 4 6 107 318 -004 075027026 M11M10M11 000 51 25 03 -9.9 -12.5 29.08 6 8 132 343 -008 081029037 M08M08M09 000 54 25 06 -10.9 -13.3 29.09 7 9 140 351 -003 083036036 M08M08M08 000 57 25 09 -12.0 -13.8 29.09 8 11 135 346 -010 086034031 M08M07M08 000 60 25 12 -12.0 -13.6 29.08 7 10 132 343 -007 088032030 M07M07M08 000 63 25 15 -10.7 -12.7 29.10 6 8 135 346 -014 086035033 M07M07M08 000 66 25 18 -8.9 -11.1 29.10 5 7 143 354 -007 084042033 M07M08M08 000 69 25 21 -7.8 -9.8 29.10 5 7 163 14 -004 086044034 M07M08M08 000 72 26 00 -7.1 -9.2 29.10 6 7 169 20 -009 085038034 M07M07M08 000 75 26 03 -7.4 -9.2 29.10 6 7 178 29 -005 088033034 M07M07M08 000 78 26 06 -9.0 -11.1 29.11 6 6 176 27 -002 085031032 M07M07M08 000 81 26 09 -10.4 -13.3 29.12 5 6 187 38 -009 079032029 M07M07M08 000 84 26 12 -10.9 -13.9 29.11 5 6 194 45 -002 079033030 M07M07M08 000 87 26 15 -10.1 -13.1 29.13 4 5 206 57 -009 079036032 M08M08M08 000 90 26 18 -8.4 -11.5 29.14 3 5 234 85 -005 078039034 M08M08M08 000 93 26 21 -6.9 -9.4 29.14 4 5 240 91 -000 082042035 M08M08M09 000 96 27 00 -6.3 -8.4 29.14 4 5 232 83 -002 085046035 M08M08M09 000 99 27 03 -6.4 -7.9 29.15 3 4 218 69 -004 089048036 M08M08M09 000 102 27 06 -7.6 -8.5 29.15 2 2 172 23 -006 093049036 M08M08M09 000 105 27 09 -8.7 -9.6 29.15 2 2 75 286 -005 094050035 M08M08M09 000 108 27 12 -9.4 -10.3 29.14 3 3 46 256 -010 093049034 M08M08M09 000 111 27 15 -10.1 -10.2 29.15 2 3 58 269 -005 099048032 M08M08M09 000 114 27 18 -8.0 -9.1 29.16 3 4 132 343 -008 092046027 M08M08M08 000 117 27 21 -6.3 -8.2 29.15 6 7 142 353 -007 087033024 M07M07M08 000 120 28 00 -5.7 -7.4 29.14 7 9 136 347 -006 088027025 M07M06M07 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.