USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025072800 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 28 00 -34.9 -39.6 28.51 5 6 36 247 -003 063046040 M31M27M25 000 03 28 03 -34.1 -39.0 28.59 6 8 68 279 -051 062037038 M26M25M25 000 06 28 06 -33.6 -38.9 28.61 8 10 111 322 -021 059032043 M24M23M22 000 09 28 09 -30.9 -37.2 28.63 9 13 111 322 -009 054029044 M20M20M20 000 12 28 12 -29.2 -36.5 28.61 8 12 147 358 005 050023031 M19M18M18 000 15 28 15 -28.1 -35.4 28.62 7 9 171 22 040 050023023 M19M18M17 000 18 28 18 -25.9 -35.0 28.59 4 5 187 38 -028 043023023 M19M18M18 000 21 28 21 -31.0 -36.1 28.61 8 11 355 206 022 061025057 M21M19M18 000 24 29 00 -32.0 -36.8 28.64 9 14 354 205 021 063028066 M21M20M20 000 27 29 03 -32.9 -37.2 28.66 7 10 349 200 021 066035071 M23M22M22 001 30 29 06 -30.3 -34.8 28.69 4 8 329 180 007 065048076 M23M23M23 001 33 29 09 -29.0 -32.3 28.71 4 6 320 171 -017 073055078 M24M23M23 001 36 29 12 -29.4 -30.9 28.69 4 6 216 67 -003 087073074 M24M23M23 000 39 29 15 -30.0 -33.0 28.67 4 5 161 12 007 075070061 M23M23M23 000 42 29 18 -32.2 -35.6 28.64 6 9 176 27 -003 071053055 M24M23M23 000 45 29 21 -33.6 -37.0 28.61 7 8 176 27 -005 072046066 M25M23M23 000 48 30 00 -33.8 -36.9 28.55 7 9 188 39 -004 073048066 M25M23M22 000 51 30 03 -34.8 -37.5 28.51 6 8 185 36 -003 076055059 M26M23M22 000 54 30 06 -34.0 -36.8 28.45 4 5 182 33 -002 076058059 M25M23M22 000 57 30 09 -34.0 -36.7 28.39 3 3 159 10 006 077058056 M25M23M22 000 60 30 12 -33.2 -35.9 28.30 3 3 56 267 005 077060055 M27M24M22 000 63 30 15 -36.8 -39.4 28.25 9 13 49 260 -012 077062059 M27M25M23 000 66 30 18 -37.0 -39.9 28.21 10 16 71 282 -009 075055067 M26M25M24 000 69 30 21 -38.0 -40.7 28.15 11 17 77 288 -007 075069083 M27M26M26 000 72 31 00 -38.4 -41.2 28.09 11 18 64 275 000 075075077 M27M26M26 001 75 31 03 -38.5 -41.3 28.06 12 18 66 277 019 075071069 M27M25M25 000 78 31 06 -37.5 -40.1 28.03 11 18 91 302 -003 077045033 M25M24M23 000 81 31 09 -35.7 -38.8 27.97 14 27 84 295 048 073051063 M25M21M19 000 84 31 12 -34.3 -37.9 27.91 14 24 92 303 084 070042041 M23M19M18 000 87 31 15 -33.1 -37.0 27.87 15 25 92 303 -005 068037042 M22M18M17 000 90 31 18 -32.1 -36.2 27.85 13 23 92 303 026 067036040 M21M18M17 000 93 31 21 -32.9 -36.5 27.86 7 13 67 278 023 070037044 M23M21M20 000 96 01 00 -32.1 -35.9 27.87 7 10 69 280 -035 069039045 M24M23M21 000 99 01 03 -37.0 -40.5 27.92 10 15 40 251 018 070044042 M27M25M24 000 102 01 06 -41.7 -45.3 27.99 12 18 33 244 015 067055040 M32M27M26 000 105 01 09 -42.6 -46.2 28.07 13 22 27 238 006 067062047 M34M29M27 000 108 01 12 -43.1 -46.8 28.17 14 23 41 252 001 066073053 M36M30M28 000 111 01 15 -42.2 -46.0 28.26 15 23 34 245 002 067074072 M36M31M28 001 114 01 18 -40.2 -43.6 28.36 16 28 18 229 030 069072082 M36M32M28 003 117 01 21 -38.6 -41.9 28.43 11 20 33 244 -014 072070080 M34M31M29 005 120 02 00 -40.0 -43.1 28.45 11 19 69 280 005 072069080 M31M29M28 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.