USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025092600 AMPS 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 26 00 -27.4 -33.1 28.48 5 5 8 219 -002 057048046 M25M22M20 000 03 26 03 -31.8 -34.9 28.48 12 20 15 226 008 074068048 M25M22M22 000 06 26 06 -33.8 -36.6 28.53 14 24 29 240 000 076066051 M24M22M21 000 09 26 09 -34.2 -37.0 28.57 14 24 36 247 004 076070050 M24M22M22 001 12 26 12 -34.0 -36.7 28.58 14 24 36 247 -005 076070050 M24M22M21 001 15 26 15 -34.4 -37.2 28.62 13 23 35 246 -016 076061050 M25M22M21 000 18 26 18 -33.0 -35.6 28.65 13 22 34 245 -013 077067050 M24M21M21 000 21 26 21 -31.6 -34.3 28.66 12 21 32 243 003 078068049 M24M21M20 000 24 27 00 -30.4 -32.9 28.66 12 19 40 251 008 079060050 M22M19M19 000 27 27 03 -29.9 -32.5 28.68 11 18 40 251 -006 078056050 M20M18M18 000 30 27 06 -29.6 -32.4 28.67 10 16 39 250 -031 077051051 M20M18M18 000 33 27 09 -27.2 -30.7 28.66 6 9 31 242 -026 072048051 M19M18M18 000 36 27 12 -24.9 -29.1 28.65 2 3 347 198 008 068052048 M20M19M18 000 39 27 15 -25.2 -28.7 28.66 3 4 339 190 019 073052051 M20M19M18 000 42 27 18 -28.6 -30.4 28.69 6 9 347 198 -003 085065059 M20M19M18 000 45 27 21 -28.2 -29.8 28.72 7 10 16 227 -007 086077062 M20M19M19 000 48 28 00 -28.8 -31.1 28.73 9 12 31 242 004 080057062 M20M19M19 000 51 28 03 -29.0 -31.2 28.77 8 10 48 259 -015 081069061 M20M19M19 000 54 28 06 -29.1 -31.5 28.78 8 9 61 272 011 080057054 M20M20M19 000 57 28 09 -30.3 -33.9 28.79 9 12 55 266 -002 071045057 M20M19M18 000 60 28 12 -28.4 -32.4 28.77 7 9 54 265 -009 068047051 M19M18M18 000 63 28 15 -25.8 -30.7 28.77 5 7 125 336 010 064049046 M19M18M18 000 66 28 18 -27.7 -32.4 28.74 8 11 132 343 -005 065040039 M17M16M16 000 69 28 21 -27.1 -31.2 28.70 10 14 165 16 -002 068035045 M17M15M15 000 72 29 00 -25.6 -29.9 28.67 8 11 167 18 006 067044055 M16M14M14 000 75 29 03 -25.5 -29.9 28.66 6 7 169 20 -001 066052065 M16M15M15 000 78 29 06 -23.2 -28.4 28.69 1 2 90 301 006 062055060 M17M15M14 000 81 29 09 -25.1 -29.0 28.71 3 5 341 192 -023 070056055 M16M14M14 000 84 29 12 -24.9 -29.0 28.73 3 4 149 0 -021 069051053 M18M15M13 000 87 29 15 -26.1 -29.8 28.74 6 6 81 292 016 071047046 M17M14M12 000 90 29 18 -26.6 -30.2 28.75 8 13 53 264 005 071041051 M16M13M11 000 93 29 21 -24.7 -28.6 28.72 7 9 74 285 022 070040045 M16M13M11 000 96 30 00 -24.5 -28.5 28.69 9 15 83 294 007 070043036 M15M12M11 000 99 30 03 -23.0 -26.5 28.66 12 20 97 308 006 073043049 M15M12M12 000 102 30 06 -21.2 -25.0 28.62 14 27 104 315 014 072039051 M13M12M13 000 105 30 09 -22.1 -25.1 28.55 12 21 121 332 -000 077053061 M14M14M15 000 108 30 12 -24.2 -26.7 28.50 15 28 89 300 -029 080056059 M15M15M15 000 111 30 15 -25.0 -28.6 28.49 19 33 92 303 -037 072051031 M17M16M17 000 114 30 18 -24.7 -29.0 28.47 25 43 94 305 -187 068026022 M19M14M12 000 117 30 21 -23.3 -27.7 28.47 21 36 92 303 -123 067028031 M14M10M10 000 120 01 00 -21.9 -26.6 28.48 17 30 91 302 -049 066032032 M11M10M10 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.