USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026050300 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 03 00 -17.4 -23.6 28.69 12 13 80 291 -006 065035038 M16M14M14 000 03 03 03 -22.0 -25.7 28.72 11 19 71 282 061 072036045 M13M13M13 000 06 03 06 -19.0 -25.2 28.72 9 12 84 295 -016 058039045 M10M11M12 000 09 03 09 -18.6 -25.6 28.67 6 10 116 327 021 054030041 M10M10M11 000 12 03 12 -18.2 -25.1 28.62 2 3 182 33 049 055031031 M13M12M11 000 15 03 15 -17.9 -24.4 28.60 4 6 224 75 034 057038036 M13M13M13 000 18 03 18 -19.6 -23.9 28.62 7 12 292 143 -000 069041041 M15M14M14 000 21 03 21 -20.0 -23.3 28.69 12 22 321 171 -004 075039045 M15M14M14 000 24 04 00 -20.7 -23.8 28.81 12 25 335 186 003 076063063 M15M15M15 001 27 04 03 -20.0 -22.3 28.92 8 12 6 217 016 082064070 M15M15M16 002 30 04 06 -19.7 -21.8 29.00 8 10 55 266 030 083075087 M15M15M16 001 33 04 09 -20.4 -22.9 29.05 9 13 99 310 006 081068084 M15M15M16 003 36 04 12 -22.0 -24.8 29.08 9 14 106 317 042 078072081 M15M15M16 001 39 04 15 -22.2 -24.6 29.07 8 13 121 332 001 081077071 M15M15M16 001 42 04 18 -24.6 -27.2 29.06 9 12 85 296 -014 079061043 M15M15M15 000 45 04 21 -24.2 -28.6 29.02 8 10 86 297 -023 067029025 M14M15M15 000 48 05 00 -24.0 -29.5 28.96 10 15 107 318 000 061024018 M14M15M15 000 51 05 03 -22.7 -28.6 28.87 11 20 141 352 002 059030026 M14M13M13 000 54 05 06 -21.8 -26.0 28.79 11 17 149 0 002 069059073 M14M13M12 000 57 05 09 -21.7 -24.4 28.72 8 12 101 312 -022 079054073 M14M13M13 000 60 05 12 -24.0 -26.7 28.66 11 18 54 265 002 079058042 M13M12M11 000 63 05 15 -24.8 -27.7 28.63 11 18 55 266 010 077052050 M14M12M11 000 66 05 18 -24.2 -27.4 28.59 11 18 47 258 004 075045048 M15M12M11 000 69 05 21 -24.6 -27.8 28.57 12 20 43 254 -014 075047048 M15M12M11 000 72 06 00 -26.3 -29.5 28.56 11 19 49 260 042 075049052 M14M12M12 000 75 06 03 -23.9 -27.6 28.54 10 12 59 270 058 071049052 M11M11M12 000 78 06 06 -22.9 -27.3 28.52 6 9 51 262 -053 067048048 M13M12M13 000 81 06 09 -20.2 -25.5 28.49 4 5 68 279 -020 063048051 M13M12M12 000 84 06 12 -20.3 -25.3 28.45 6 7 31 242 005 064047047 M12M12M12 000 87 06 15 -20.2 -24.8 28.43 4 5 39 250 001 067049045 M13M12M13 000 90 06 18 -20.2 -24.5 28.42 2 3 50 261 -017 069050043 M13M13M13 000 93 06 21 -19.8 -24.1 28.40 3 3 148 359 -001 069050044 M13M13M13 000 96 07 00 -19.3 -23.9 28.38 4 4 127 338 -004 067050047 M13M13M13 000 99 07 03 -20.4 -24.4 28.38 3 3 156 7 012 071051048 M14M13M13 000 102 07 06 -19.6 -23.9 28.38 2 2 122 333 019 069053049 M14M14M14 000 105 07 09 -21.3 -24.9 28.38 5 6 69 280 004 073053052 M14M14M14 000 108 07 12 -21.6 -25.1 28.38 4 5 84 295 -007 073052051 M14M13M13 000 111 07 15 -22.7 -26.5 28.39 7 8 97 308 007 072048051 M13M13M13 000 114 07 18 -24.6 -28.4 28.40 10 14 57 267 008 071037037 M14M13M13 000 117 07 21 -24.6 -27.3 28.42 11 18 53 264 034 078049028 M14M14M14 000 120 08 00 -25.3 -29.0 28.43 11 19 58 269 004 072023040 M14M14M15 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.