USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025072612 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 26 12 -39.4 -44.6 28.28 4 6 27 238 -002 066049037 M34M29M27 000 03 26 15 -41.2 -44.0 28.30 6 6 63 274 -000 075064046 M35M32M30 000 06 26 18 -44.0 -47.1 28.23 7 12 48 259 -020 072061041 M34M30M28 000 09 26 21 -42.0 -44.6 28.24 6 7 92 303 001 076067033 M33M31M28 000 12 27 00 -41.3 -43.8 28.21 6 9 55 266 -008 077065036 M32M28M26 000 15 27 03 -37.3 -39.5 28.25 3 4 123 334 007 080064037 M31M28M26 000 18 27 06 -36.8 -39.0 28.25 2 3 43 254 002 080063054 M31M28M26 000 21 27 09 -38.1 -40.7 28.28 5 8 336 187 004 077069059 M32M29M27 001 24 27 12 -41.1 -44.4 28.32 7 12 16 227 -002 071077052 M35M32M29 001 27 27 15 -44.2 -47.5 28.38 10 17 36 247 -005 070072047 M35M32M29 000 30 27 18 -44.6 -47.9 28.45 12 21 49 260 -010 070062040 M35M31M29 000 33 27 21 -44.1 -47.3 28.51 11 20 46 257 -011 070055046 M33M29M28 000 36 28 00 -42.0 -44.9 28.54 8 15 51 262 -018 074058045 M31M29M28 000 39 28 03 -40.2 -42.6 28.57 7 9 70 281 005 077057043 M30M28M27 000 42 28 06 -38.5 -40.8 28.59 7 9 76 287 008 078049034 M28M26M25 000 45 28 09 -36.4 -39.2 28.60 6 7 88 299 -018 076045039 M26M25M24 000 48 28 12 -33.7 -38.1 28.60 6 6 116 327 -010 065039032 M25M24M23 000 51 28 15 -32.7 -37.7 28.61 7 8 125 336 -004 061033029 M23M22M21 000 54 28 18 -30.5 -35.9 28.60 5 6 135 346 005 059033028 M22M21M21 000 57 28 21 -30.0 -35.7 28.58 3 4 189 40 001 058032030 M23M21M20 000 60 29 00 -30.4 -36.1 28.58 3 3 176 27 009 057030045 M24M21M20 000 63 29 03 -29.7 -36.2 28.58 3 4 12 223 005 053032059 M25M22M20 000 66 29 06 -33.1 -37.5 28.59 4 8 309 160 011 065038058 M26M23M22 000 69 29 09 -34.9 -38.4 28.61 5 9 325 176 008 070042060 M27M24M23 000 72 29 12 -35.9 -39.1 28.64 5 9 345 196 005 072048059 M28M26M24 000 75 29 15 -36.6 -39.7 28.68 5 9 357 208 005 073050050 M28M26M25 000 78 29 18 -36.2 -39.2 28.73 5 8 356 207 003 074052052 M28M26M25 000 81 29 21 -34.6 -38.0 28.78 4 7 337 188 003 071051065 M29M27M26 000 84 30 00 -34.0 -37.6 28.81 3 6 326 177 010 070054074 M29M27M27 002 87 30 03 -32.7 -36.5 28.85 2 3 2 213 012 069063076 M29M28M27 005 90 30 06 -32.0 -35.5 28.86 2 3 24 235 015 072070075 M29M28M28 008 93 30 09 -31.7 -34.7 28.88 4 4 65 276 010 075073075 M29M28M28 013 96 30 12 -33.1 -36.0 28.86 6 7 79 290 -002 075072074 M28M27M27 009 99 30 15 -33.9 -36.7 28.87 8 10 82 293 000 076066069 M27M27M27 002 102 30 18 -34.6 -37.7 28.85 9 14 79 290 -007 073053053 M26M25M26 000 105 30 21 -34.8 -37.4 28.82 10 16 85 296 001 077052047 M24M24M25 000 108 31 00 -34.4 -37.5 28.77 10 15 95 306 -008 074045045 M23M23M24 000 111 31 03 -34.1 -38.2 28.70 10 15 102 313 -009 067036046 M22M22M23 000 114 31 06 -32.8 -38.2 28.62 10 16 105 316 -002 059029040 M20M20M21 000 117 31 09 -32.2 -37.4 28.51 11 18 115 326 -015 060034054 M19M19M19 000 120 31 12 -29.4 -32.6 28.39 13 23 99 310 015 074058051 M19M17M17 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.