USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026043000 WRF 2.67-km 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 -32.3 -35.2 28.55 26 27 21 232 -037 070071063 M33M34M33 000 01 30 01 -32.7 -36.0 28.59 27 39 24 235 009 073071062 M33M33M32 004 02 30 02 -33.1 -36.4 28.62 27 38 20 231 001 073070066 M33M33M31 003 03 30 03 -33.3 -36.5 28.64 25 36 15 226 032 073070072 M33M32M29 003 04 30 04 -33.3 -36.6 28.69 23 34 7 218 028 072070073 M33M31M28 003 05 30 05 -33.3 -36.6 28.71 20 30 4 215 047 072070074 M33M29M28 004 06 30 06 -33.4 -36.6 28.73 18 26 5 216 062 073071075 M32M28M28 004 07 30 07 -33.5 -36.8 28.75 16 24 9 220 087 073071077 M31M28M27 003 08 30 08 -33.6 -36.8 28.80 15 21 12 223 055 072071078 M30M28M27 003 09 30 09 -33.7 -36.9 28.81 14 20 14 225 024 073070077 M30M27M27 002 10 30 10 -33.8 -37.0 28.84 14 19 16 227 014 073068077 M29M27M27 001 11 30 11 -33.7 -36.9 28.84 13 18 20 231 -020 073067076 M28M27M27 001 12 30 12 -34.3 -37.4 28.87 12 18 19 230 -019 074068074 M28M27M27 001 13 30 13 -35.1 -38.0 28.89 12 18 24 235 -026 075070073 M28M27M28 000 14 30 14 -35.1 -38.0 28.92 11 16 28 239 -045 075074076 M28M27M28 000 15 30 15 -35.1 -37.8 28.90 10 13 32 243 -027 076078069 M27M28M29 000 16 30 16 -35.4 -38.0 28.91 10 11 40 251 025 077077062 M27M28M28 000 17 30 17 -35.5 -38.1 28.93 10 11 46 257 -000 077069060 M27M27M27 000 18 30 18 -35.5 -38.0 28.91 10 12 56 267 -027 078062063 M27M27M27 000 19 30 19 -35.2 -37.7 28.90 11 15 59 270 -021 078059057 M27M26M27 000 20 30 20 -34.8 -37.3 28.91 11 16 66 277 -014 078056049 M27M26M27 000 21 30 21 -34.7 -37.3 28.90 12 17 74 285 -012 077053047 M26M26M26 000 22 30 22 -34.8 -37.9 28.89 13 20 81 292 -017 073051041 M27M26M26 000 23 30 23 -34.9 -39.0 28.88 14 22 81 292 -015 067047037 M27M26M25 000 24 01 00 -34.7 -39.3 28.88 15 24 83 294 -010 063043033 M27M25M25 000 25 01 01 -34.4 -39.1 28.87 17 26 85 296 -004 062038030 M27M25M24 000 26 01 02 -34.0 -38.9 28.86 18 29 88 299 -001 062034027 M26M25M24 000 27 01 03 -33.5 -39.0 28.84 19 31 93 304 -013 057030024 M26M24M24 000 28 01 04 -32.9 -39.0 28.83 20 33 95 305 002 054027022 M25M24M23 000 29 01 05 -32.6 -38.9 28.81 19 32 94 305 005 053025020 M25M23M23 000 30 01 06 -32.4 -38.9 28.79 19 31 93 304 -000 052023018 M24M23M22 000 31 01 07 -32.1 -38.9 28.77 18 31 96 307 -002 051021017 M23M22M22 000 32 01 08 -31.5 -38.7 28.75 18 30 100 311 007 049019016 M23M21M21 000 33 01 09 -31.0 -38.3 28.74 18 31 103 314 -003 049017016 M22M21M21 000 34 01 10 -30.5 -37.7 28.72 18 31 105 316 008 049016014 M22M20M20 000 35 01 11 -29.9 -36.9 28.69 17 30 105 316 003 050015014 M21M20M20 000 36 01 12 -28.6 -35.5 28.66 17 30 108 319 -054 052014012 M20M19M19 000 37 01 13 -27.9 -34.2 28.65 17 30 109 320 -012 055012014 M19M19M19 000 38 01 14 -26.7 -32.6 28.63 17 30 113 324 -029 057011016 M18M18M18 000 39 01 15 -26.4 -31.1 28.59 17 31 114 325 035 064011022 M18M17M17 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 1h) 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.