USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026101512 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 15 12 -14.5 -29.2 28.83 5 6 266 117 002 035023033 M12M12M12 000 03 15 15 -22.1 -27.4 28.82 6 8 148 359 -003 062027041 M14M12M12 000 06 15 18 -20.0 -20.6 28.82 4 5 91 302 014 095038048 M14M13M13 000 09 15 21 -21.2 -21.9 28.80 5 7 151 2 -003 094058055 M15M13M12 000 12 16 00 -20.2 -21.3 28.78 4 5 147 358 -006 091092061 M17M14M13 002 15 16 03 -20.1 -20.7 28.75 3 4 141 352 -010 095091045 M16M15M13 000 18 16 06 -22.3 -22.5 28.69 5 6 153 4 003 098060038 M16M14M12 000 21 16 09 -23.4 -23.8 28.65 6 7 112 323 -003 097038038 M15M13M12 000 24 16 12 -24.0 -24.4 28.58 7 10 81 292 -001 097053042 M15M13M12 000 27 16 15 -20.5 -25.8 28.55 5 7 110 321 -015 063049052 M14M13M12 000 30 16 18 -21.8 -27.2 28.49 7 10 105 316 -008 062036052 M14M13M12 000 33 16 21 -20.5 -26.3 28.44 8 10 72 283 -006 060034035 M13M12M12 000 36 17 00 -20.5 -25.6 28.39 9 13 67 278 -015 064029036 M13M11M11 000 39 17 03 -20.8 -25.2 28.35 9 13 66 277 003 068038043 M13M11M10 000 42 17 06 -22.8 -27.2 28.34 10 14 68 279 028 067027041 M12M10M10 000 45 17 09 -22.9 -27.0 28.31 10 15 78 289 -014 069031043 M11M10M09 000 48 17 12 -22.2 -25.7 28.27 10 16 73 284 -015 074038045 M10M09M09 000 51 17 15 -21.5 -25.1 28.27 10 17 72 283 -014 073037042 M10M09M09 000 54 17 18 -19.1 -23.2 28.27 9 15 60 271 -010 070037043 M10M09M09 000 57 17 21 -17.3 -21.0 28.29 10 16 67 278 018 073035044 M09M08M08 000 60 18 00 -17.9 -21.8 28.30 13 22 79 290 044 072036042 M09M08M08 000 63 18 03 -17.7 -21.0 28.32 16 27 77 288 -031 075032032 M09M07M07 000 66 18 06 -17.9 -21.0 28.34 17 29 79 290 -020 076029030 M08M07M07 000 69 18 09 -19.9 -22.7 28.37 18 30 70 281 -028 079040035 M10M08M08 000 72 18 12 -20.5 -23.3 28.39 19 32 67 278 -110 079041042 M10M09M09 000 75 18 15 -19.3 -22.2 28.44 18 31 70 281 -082 078053047 M09M09M09 000 78 18 18 -17.9 -21.6 28.45 16 28 77 288 -031 073042037 M09M09M10 000 81 18 21 -17.1 -20.6 28.43 14 25 85 296 024 074031034 M10M09M10 000 84 19 00 -16.7 -20.0 28.38 13 23 91 302 026 076038041 M11M09M09 000 87 19 03 -16.7 -19.5 28.32 12 24 87 298 036 079041046 M13M11M10 000 90 19 06 -17.7 -20.6 28.27 13 22 93 304 039 079041046 M13M11M11 000 93 19 09 -20.7 -23.8 28.23 11 19 83 294 -030 076037044 M11M10M10 000 96 19 12 -21.8 -24.7 28.24 12 20 71 281 -004 078038040 M11M10M11 000 99 19 15 -21.4 -24.7 28.28 10 17 63 274 -005 075037040 M11M10M10 000 102 19 18 -19.7 -23.4 28.32 9 14 56 266 -001 072037041 M11M10M10 000 105 19 21 -18.7 -22.3 28.38 9 15 42 253 -005 074039041 M12M11M10 000 108 20 00 -18.9 -21.8 28.45 10 16 31 242 001 078039044 M12M10M10 000 111 20 03 -19.3 -22.1 28.53 9 14 34 245 -018 079039047 M11M10M11 000 114 20 06 -19.9 -22.5 28.62 9 12 40 251 -012 080037039 M11M10M11 000 117 20 09 -20.0 -22.2 28.67 8 11 28 239 016 082041040 M11M10M11 000 120 20 12 -18.9 -21.4 28.71 5 9 2 213 012 081053043 M11M11M12 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.