USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026043000 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 30 00 -32.0 -35.1 28.58 26 28 22 233 -010 070070061 M33M34M33 000 03 30 03 -33.1 -36.4 28.67 24 37 16 227 029 072070073 M33M33M30 010 06 30 06 -33.2 -36.5 28.75 17 27 4 215 045 072071075 M32M29M28 010 09 30 09 -33.5 -36.8 28.84 13 20 14 225 021 073072077 M30M28M28 009 12 30 12 -34.3 -37.4 28.90 11 17 22 233 -019 073070073 M29M27M27 004 15 30 15 -35.2 -37.9 28.93 9 13 39 250 -022 076077071 M28M28M29 001 18 30 18 -35.3 -37.9 28.93 9 11 61 272 -027 077064063 M27M27M27 000 21 30 21 -34.9 -37.7 28.93 10 16 82 293 -016 076054047 M27M26M26 000 24 01 00 -35.0 -39.5 28.90 14 22 88 299 -011 063043034 M27M25M25 000 27 01 03 -33.7 -39.2 28.87 17 30 96 307 -015 058030025 M26M24M24 000 30 01 06 -32.7 -39.0 28.81 17 31 97 308 -008 053023019 M24M23M22 000 33 01 09 -31.3 -38.4 28.76 16 30 106 317 -005 050017016 M22M21M21 000 36 01 12 -28.9 -35.5 28.68 16 29 111 322 -032 053014013 M20M19M19 000 39 01 15 -26.5 -31.2 28.60 17 30 118 329 011 065012020 M18M17M17 000 42 01 18 -24.4 -28.4 28.49 17 31 118 329 -001 070040036 M16M15M15 000 45 01 21 -23.9 -27.3 28.43 14 24 108 319 013 073044057 M13M13M13 000 48 02 00 -23.5 -26.5 28.38 12 21 73 284 -014 077070072 M13M13M13 000 51 02 03 -21.9 -25.9 28.40 8 14 32 243 -013 070070047 M13M12M12 000 54 02 06 -22.1 -25.3 28.44 10 13 32 243 -009 075042055 M10M09M09 000 57 02 09 -20.6 -23.7 28.47 10 12 66 277 -013 076039048 M09M09M10 000 60 02 12 -22.9 -26.7 28.48 15 25 72 283 -000 071036047 M11M10M11 000 63 02 15 -21.5 -25.1 28.50 16 29 72 283 -036 073039036 M12M11M12 000 66 02 18 -21.7 -25.2 28.55 18 30 71 282 063 073044034 M15M13M12 000 69 02 21 -23.5 -26.6 28.58 16 28 69 280 003 076054036 M15M14M14 000 72 03 00 -23.8 -26.7 28.58 16 29 75 286 046 077045033 M16M15M15 000 75 03 03 -23.4 -26.3 28.59 16 28 81 292 085 077036032 M16M14M13 000 78 03 06 -22.4 -25.3 28.59 18 30 80 291 012 077030036 M14M11M11 000 81 03 09 -21.9 -25.2 28.54 19 32 79 290 039 075035038 M15M12M11 000 84 03 12 -22.3 -25.1 28.50 17 29 81 292 081 078044054 M17M14M13 000 87 03 15 -23.3 -26.5 28.49 13 22 87 298 -002 075045058 M16M15M15 000 90 03 18 -26.5 -29.0 28.54 13 23 43 254 025 079052060 M19M18M16 000 93 03 21 -27.8 -29.8 28.64 20 36 18 229 011 083070059 M20M18M17 000 96 04 00 -24.1 -26.0 28.78 19 31 28 239 -050 084087076 M19M18M18 016 99 04 03 -24.9 -27.1 28.88 14 24 50 261 -019 082068047 M18M18M19 001 102 04 06 -27.2 -30.5 28.94 13 22 73 284 014 073045037 M17M18M18 000 105 04 09 -25.5 -29.5 28.94 9 12 75 286 048 069035031 M16M17M18 000 108 04 12 -22.2 -28.5 28.93 6 8 144 355 -027 057048036 M16M17M17 000 111 04 15 -23.4 -29.5 28.92 6 8 103 314 -022 057031027 M15M15M16 000 114 04 18 -25.1 -31.8 28.93 8 9 82 293 -003 054027024 M14M15M16 000 117 04 21 -25.8 -32.4 28.92 10 14 82 293 -022 054021024 M13M14M14 000 120 05 00 -24.3 -30.6 28.89 12 19 92 303 -017 056021027 M12M11M12 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.