USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026042800 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 28 00 -31.3 -35.8 28.26 10 13 23 234 -004 060052053 M30M28M27 000 03 28 03 -35.8 -39.4 28.25 17 31 22 233 -119 070059038 M31M31M30 000 06 28 06 -36.0 -39.2 28.31 18 34 23 234 067 072076045 M31M32M32 000 09 28 09 -35.6 -38.8 28.37 17 31 35 246 -004 072075062 M31M31M32 005 12 28 12 -34.8 -38.0 28.42 16 29 44 255 007 072075064 M31M31M32 008 15 28 15 -36.1 -39.3 28.46 14 25 55 266 063 072072058 M31M32M33 007 18 28 18 -36.9 -39.9 28.40 14 24 81 292 020 073070050 M30M31M32 002 21 28 21 -35.0 -38.9 28.26 17 31 103 314 -013 068044043 M28M28M29 001 24 29 00 -30.6 -36.0 28.08 19 34 113 324 004 059041069 M24M23M23 000 27 29 03 -28.0 -30.6 27.90 20 40 84 295 -065 078086074 M20M18M18 013 30 29 06 -26.6 -29.5 27.83 31 48 36 247 -183 076079075 M26M26M27 038 33 29 09 -32.6 -35.9 27.84 36 50 28 239 -228 072072073 M34M35M33 024 36 29 12 -37.7 -41.4 27.96 33 48 14 225 -150 069071067 M39M36M30 024 39 29 15 -37.2 -40.8 28.16 29 45 10 221 -178 069071060 M37M33M30 013 42 29 18 -36.2 -39.8 28.32 27 43 12 223 -069 070073065 M36M32M31 009 45 29 21 -35.0 -38.5 28.48 28 43 9 220 -058 071073074 M34M30M28 013 48 30 00 -33.3 -36.6 28.68 22 35 354 205 -026 072076074 M32M29M29 019 51 30 03 -33.0 -36.1 28.83 18 31 360 211 -020 073072066 M30M29M29 010 54 30 06 -33.3 -36.4 28.95 16 27 11 222 -003 074071044 M29M30M30 002 57 30 09 -35.0 -37.9 29.01 13 22 39 250 -010 075065037 M29M29M30 001 60 30 12 -36.7 -39.6 29.05 13 22 57 268 -026 074058041 M29M29M29 000 63 30 15 -37.4 -40.7 29.07 12 21 68 279 -046 071051038 M29M29M29 000 66 30 18 -37.1 -40.5 29.06 15 27 74 285 -034 071036030 M29M28M28 000 69 30 21 -35.6 -40.1 29.03 17 31 81 292 -028 064036024 M28M28M28 000 72 01 00 -34.6 -40.1 28.98 18 33 91 302 -027 057029021 M27M27M27 000 75 01 03 -33.8 -39.9 28.92 20 37 97 308 -035 054023016 M26M26M26 000 78 01 06 -32.7 -39.2 28.85 23 43 103 314 -049 053020012 M25M25M25 000 81 01 09 -32.6 -39.0 28.77 23 44 112 323 -037 053017011 M24M24M24 000 84 01 12 -32.9 -39.2 28.68 24 46 125 336 -028 053014010 M24M23M23 000 87 01 15 -32.9 -38.8 28.60 25 46 130 341 -028 055011009 M23M22M21 000 90 01 18 -32.3 -37.4 28.51 23 43 135 346 -010 060009007 M21M20M20 000 93 01 21 -31.3 -35.1 28.41 21 39 141 352 -000 069010006 M20M18M18 000 96 02 00 -31.1 -34.0 28.31 20 36 146 357 -014 076045038 M19M16M16 000 99 02 03 -29.5 -32.2 28.22 16 26 150 0 011 077055058 M17M15M15 000 102 02 06 -26.9 -29.3 28.19 11 18 142 353 028 080088095 M15M14M15 002 105 02 09 -25.8 -27.0 28.20 11 18 86 297 -004 090076065 M13M13M14 001 108 02 12 -25.5 -26.4 28.25 9 13 47 258 -020 092086079 M15M14M14 000 111 02 15 -26.1 -26.8 28.31 12 19 60 271 -012 093070049 M13M12M12 000 114 02 18 -25.0 -26.1 28.35 13 23 65 276 010 090053041 M12M11M11 000 117 02 21 -21.9 -24.5 28.32 12 20 91 302 016 079050049 M10M10M11 000 120 03 00 -22.5 -25.4 28.29 15 24 85 296 042 077045061 M11M09M10 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.