USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025072812 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 28 12 -25.7 -35.3 28.59 5 5 173 24 -002 047025027 M22M19M18 000 03 28 15 -25.4 -34.9 28.62 1 2 38 249 -004 041026029 M21M20M19 000 06 28 18 -28.4 -34.5 28.62 7 11 339 190 -020 056026032 M22M20M19 000 09 28 21 -29.5 -34.7 28.67 8 13 344 195 005 061032041 M23M21M20 000 12 29 00 -28.8 -33.0 28.71 7 12 341 192 011 068048059 M24M22M22 001 15 29 03 -29.1 -32.6 28.75 5 9 358 209 017 071061074 M24M23M23 002 18 29 06 -29.0 -31.9 28.78 4 7 351 202 006 076077080 M25M24M24 007 21 29 09 -28.5 -30.8 28.80 2 2 84 295 -002 081081082 M26M24M24 007 24 29 12 -28.9 -30.8 28.78 3 3 97 308 -009 084081082 M25M24M24 003 27 29 15 -29.4 -30.9 28.77 4 3 103 314 -015 086079076 M25M24M24 001 30 29 18 -30.7 -32.2 28.75 6 7 133 344 -015 087076063 M24M24M23 000 33 29 21 -30.5 -32.4 28.71 6 7 126 337 -011 083072054 M24M23M23 000 36 30 00 -29.8 -32.0 28.65 6 6 144 355 -004 081063049 M23M22M22 000 39 30 03 -31.1 -34.0 28.61 7 8 164 15 -001 076048050 M24M22M22 000 42 30 06 -32.1 -36.0 28.56 7 7 159 10 -006 068041052 M24M22M21 000 45 30 09 -32.1 -36.8 28.47 6 7 143 354 -009 063050053 M24M22M21 000 48 30 12 -31.8 -35.4 28.38 6 7 104 315 -004 070051050 M23M21M20 000 51 30 15 -32.4 -35.3 28.32 7 10 91 302 003 076052051 M22M21M20 000 54 30 18 -31.4 -33.9 28.24 8 10 97 308 -005 079052050 M21M20M19 000 57 30 21 -31.3 -34.6 28.18 8 13 100 311 002 073046044 M20M19M19 000 60 31 00 -32.9 -37.2 28.11 8 13 92 303 004 065036029 M20M19M18 000 63 31 03 -33.7 -37.5 28.08 10 19 85 296 -001 068034033 M20M19M19 000 66 31 06 -33.2 -36.7 28.05 13 25 84 295 004 071047049 M22M20M19 000 69 31 09 -33.0 -36.7 28.01 13 25 86 297 005 070046050 M23M20M19 000 72 31 12 -33.3 -37.2 27.98 12 23 85 296 003 068042045 M23M20M19 000 75 31 15 -34.1 -37.9 27.95 9 19 83 294 -012 068039043 M23M20M19 000 78 31 18 -34.1 -37.9 27.94 6 10 82 293 -002 068041044 M24M21M19 000 81 31 21 -35.7 -39.0 27.94 6 8 39 250 004 072046046 M27M23M21 000 84 01 00 -37.7 -40.9 27.96 8 10 25 236 006 072055047 M30M26M23 000 87 01 03 -40.3 -43.9 28.01 10 15 29 240 -005 069065051 M33M28M25 000 90 01 06 -41.0 -44.5 28.06 11 20 30 241 -001 069068061 M34M29M27 000 93 01 09 -40.7 -44.2 28.12 13 23 32 243 004 069068053 M34M30M27 001 96 01 12 -40.3 -43.7 28.17 12 23 29 240 -012 070074063 M34M30M28 001 99 01 15 -37.9 -41.2 28.22 10 19 38 249 -008 071073079 M32M29M28 001 102 01 18 -36.8 -39.7 28.25 8 14 66 276 -002 074067075 M29M28M28 001 105 01 21 -35.5 -38.2 28.22 8 9 115 326 000 076064065 M27M27M26 000 108 02 00 -35.2 -37.9 28.17 10 14 121 332 -011 076057060 M25M23M23 000 111 02 03 -34.7 -37.3 28.11 10 14 127 338 -000 077049047 M22M21M21 000 114 02 06 -32.5 -36.0 28.08 9 11 144 355 -000 071032030 M19M19M20 000 117 02 09 -32.2 -36.7 28.05 7 8 137 348 000 065043038 M21M20M20 000 120 02 12 -29.8 -32.5 28.04 5 6 95 306 004 077052066 M21M20M20 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.