USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026010900 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 09 00 -11.2 -14.7 28.79 4 4 221 72 002 080061045 M11M11M11 000 03 09 03 -11.0 -12.7 28.80 3 3 224 75 -004 087063048 M11M11M11 000 06 09 06 -12.4 -13.7 28.82 4 6 221 72 008 090063048 M12M11M11 000 09 09 09 -13.3 -14.7 28.82 2 3 256 107 005 089061050 M12M11M11 000 12 09 12 -13.5 -15.6 28.83 3 4 328 179 -003 084063050 M12M12M12 000 15 09 15 -14.0 -15.7 28.88 5 8 314 165 000 087063053 M12M12M11 000 18 09 18 -12.8 -14.5 28.90 5 8 304 155 005 087059053 M12M11M11 000 21 09 21 -11.9 -13.1 28.93 7 9 315 166 002 091063054 M12M12M11 000 24 10 00 -11.8 -13.2 28.95 8 10 321 172 005 089062053 M12M11M11 000 27 10 03 -12.0 -13.2 28.97 8 11 325 176 -003 091059046 M12M11M11 000 30 10 06 -13.1 -14.2 28.99 8 11 325 176 001 092058056 M12M11M11 000 33 10 09 -14.6 -15.2 29.00 8 13 327 178 -002 096056070 M11M10M11 000 36 10 12 -14.9 -15.4 29.00 9 14 321 172 000 096052060 M11M10M10 000 39 10 15 -14.1 -14.8 29.03 9 14 316 167 005 094057065 M11M10M10 000 42 10 18 -12.5 -13.4 29.05 9 16 316 167 -001 092061067 M11M10M10 000 45 10 21 -10.9 -12.5 29.05 9 13 307 158 -001 088066063 M11M10M10 000 48 11 00 -10.0 -11.4 29.03 7 9 298 149 -006 089068044 M11M10M10 000 51 11 03 -9.8 -11.0 29.02 4 6 275 126 000 091056034 M10M09M09 000 54 11 06 -10.7 -12.1 29.00 3 4 237 88 -007 090045038 M09M09M09 000 57 11 09 -10.9 -13.5 28.98 1 1 97 308 -008 081044040 M09M09M09 000 60 11 12 -11.2 -14.7 28.92 3 3 125 336 -009 076042042 M09M09M10 000 63 11 15 -11.6 -14.5 28.90 6 7 112 323 -012 079039043 M08M09M10 000 66 11 18 -10.2 -13.2 28.87 6 9 111 322 -010 079038043 M09M09M10 000 69 11 21 -8.5 -11.9 28.82 7 10 125 336 -018 076038041 M08M09M10 000 72 12 00 -8.3 -11.8 28.78 10 15 130 341 -006 076039042 M09M09M10 000 75 12 03 -9.0 -12.0 28.76 12 19 128 339 -001 079037038 M09M09M09 000 78 12 06 -10.5 -12.9 28.75 11 19 122 333 -001 083036037 M09M09M09 000 81 12 09 -11.9 -14.2 28.73 11 17 115 326 004 084037036 M08M08M09 000 84 12 12 -12.2 -14.4 28.71 10 16 110 321 -002 083038035 M08M08M09 000 87 12 15 -10.5 -13.1 28.73 10 15 99 310 -000 082036032 M08M08M09 000 90 12 18 -8.2 -11.4 28.73 10 15 73 284 008 078051064 M08M07M08 000 93 12 21 -6.6 -8.6 28.72 9 12 56 267 002 086090090 M06M07M08 002 96 13 00 -5.6 -6.9 28.73 10 13 33 244 -001 091077082 M06M07M08 000 99 13 03 -5.4 -6.5 28.75 9 12 25 236 -000 092075073 M06M07M08 000 102 13 06 -6.0 -6.4 28.76 8 11 39 250 -011 097083080 M06M07M08 000 105 13 09 -7.2 -7.5 28.76 7 11 56 267 003 098081086 M06M07M08 000 108 13 12 -8.0 -8.3 28.75 6 10 57 268 -014 098092090 M05M06M07 001 111 13 15 -5.7 -6.2 28.77 8 13 27 238 -006 096094081 M07M07M08 003 114 13 18 -5.9 -6.5 28.78 11 15 15 226 003 096090082 M07M08M09 002 117 13 21 -4.8 -6.0 28.77 13 15 17 228 016 092097088 M07M08M09 006 120 14 00 -4.9 -6.0 28.77 11 15 17 228 016 092095088 M07M08M09 007 * 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.