USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025072900 AMPS 24km 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 29 00 -25.3 -32.1 28.69 6 8 308 159 001 068061070 M23M22M22 000 03 29 03 -30.8 -33.7 28.72 6 10 347 198 006 076070077 M25M24M24 001 06 29 06 -32.2 -34.6 28.77 5 8 13 224 -004 080075080 M26M25M25 000 09 29 09 -30.4 -32.3 28.80 4 5 47 258 -006 084079075 M26M25M24 000 12 29 12 -30.7 -32.2 28.77 5 5 134 345 -018 086081072 M26M25M24 000 15 29 15 -32.6 -34.8 28.77 7 8 119 330 -001 081073066 M25M24M24 000 18 29 18 -30.9 -34.1 28.72 5 6 141 352 001 074061056 M24M23M23 000 21 29 21 -32.7 -35.6 28.69 7 9 165 16 -006 075055052 M26M23M23 000 24 30 00 -31.9 -36.2 28.62 4 6 172 23 -002 066052062 M25M23M22 000 27 30 03 -32.7 -36.8 28.59 4 5 160 11 -002 067049050 M26M23M22 000 30 30 06 -31.0 -35.6 28.52 3 3 127 338 -019 064050047 M26M23M22 000 33 30 09 -32.9 -36.2 28.48 6 7 95 306 -005 072047049 M24M22M20 000 36 30 12 -31.1 -34.9 28.38 6 8 103 314 -002 069045054 M22M21M20 000 39 30 15 -31.4 -33.0 28.33 8 11 96 307 -010 085051054 M22M20M20 000 42 30 18 -31.1 -33.2 28.27 8 12 108 319 -007 082053053 M20M20M19 000 45 30 21 -31.1 -34.6 28.20 8 12 128 339 -007 071042034 M20M18M18 000 48 31 00 -34.3 -38.7 28.13 11 19 82 293 -001 064031024 M21M19M18 000 51 31 03 -33.9 -37.4 28.10 13 25 82 293 -001 070045047 M22M20M19 000 54 31 06 -33.7 -37.2 28.08 13 24 86 297 007 071048051 M24M21M20 000 57 31 09 -34.2 -37.8 28.05 13 25 82 293 001 070046049 M25M22M21 000 60 31 12 -34.4 -38.1 28.02 11 23 82 293 004 069045047 M25M22M20 000 63 31 15 -35.2 -39.2 28.01 8 16 78 289 000 067042046 M25M22M20 000 66 31 18 -35.0 -39.1 28.01 5 7 77 288 -012 066042047 M25M22M21 000 69 31 21 -34.9 -38.8 28.02 5 6 34 245 -007 067045049 M27M23M21 000 72 01 00 -37.7 -40.9 28.05 7 10 27 238 -000 072051050 M30M25M22 000 75 01 03 -38.7 -42.2 28.10 9 14 29 240 001 070061053 M31M27M24 000 78 01 06 -39.3 -42.7 28.16 10 17 31 242 001 070070054 M32M28M26 000 81 01 09 -39.1 -42.4 28.23 12 22 37 248 -002 071074058 M31M28M26 001 84 01 12 -38.7 -41.9 28.28 11 21 38 249 -007 071071064 M30M26M25 001 87 01 15 -37.2 -40.1 28.32 10 17 56 267 -012 074070063 M28M26M25 000 90 01 18 -35.8 -38.5 28.33 10 16 77 288 -008 076057052 M24M23M22 000 93 01 21 -34.5 -37.4 28.33 12 20 82 293 -020 074050041 M22M20M20 000 96 02 00 -32.2 -35.2 28.31 11 19 86 297 007 075043026 M19M18M18 000 99 02 03 -30.4 -33.9 28.27 11 19 94 305 -018 072033021 M17M17M17 000 102 02 06 -28.4 -32.1 28.22 12 20 95 306 032 071038036 M17M17M17 000 105 02 09 -25.8 -29.5 28.14 15 26 84 295 -004 071057067 M16M16M17 000 108 02 12 -24.9 -27.1 28.05 17 29 90 301 -055 082076076 M19M19M19 000 111 02 15 -24.8 -28.0 27.98 16 28 94 305 -020 075054070 M21M20M20 001 114 02 18 -26.5 -29.4 27.90 19 32 86 297 -021 076059060 M21M19M20 000 117 02 21 -30.5 -33.0 27.91 14 25 61 272 017 079072070 M21M20M21 000 120 03 00 -31.2 -33.5 27.92 15 28 50 261 -004 080085061 M22M21M21 001 * 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.