USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025072700 AMPS 2p67km 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 27 00 -37.2 -41.1 28.13 5 6 108 319 -005 068050037 M31M26M26 000 01 27 01 -39.1 -42.4 28.12 8 10 89 300 -017 070047037 M28M26M25 000 02 27 02 -37.5 -41.1 28.09 8 11 74 285 -011 069046050 M27M26M25 000 03 27 03 -36.9 -40.7 28.11 10 13 63 274 -000 068047067 M28M26M25 000 04 27 04 -36.5 -40.4 28.14 9 12 44 255 -025 067051077 M28M27M26 000 05 27 05 -36.9 -40.9 28.15 9 11 19 230 -002 066058080 M28M27M27 001 06 27 06 -36.6 -40.7 28.17 7 9 12 223 022 066062080 M29M28M28 001 07 27 07 -37.0 -40.8 28.16 7 8 8 219 005 068064081 M29M29M28 000 08 27 08 -37.5 -41.2 28.19 7 8 6 216 -003 068062084 M30M29M27 000 09 27 09 -38.0 -41.6 28.21 8 10 2 213 011 069063083 M30M30M28 001 10 27 10 -38.6 -42.0 28.21 10 14 8 219 008 070065080 M32M30M29 001 11 27 11 -40.4 -43.7 28.23 12 17 17 228 -000 071066074 M33M30M29 001 12 27 12 -41.3 -44.7 28.24 13 19 19 230 022 070068058 M33M30M29 000 13 27 13 -41.9 -45.3 28.27 14 21 24 235 009 070071053 M34M30M28 000 14 27 14 -42.6 -46.0 28.31 15 21 30 241 021 070069053 M33M29M28 000 15 27 15 -42.9 -46.2 28.34 15 22 34 245 013 070067045 M33M29M27 000 16 27 16 -42.9 -46.2 28.37 16 24 35 246 -011 070062042 M33M29M27 000 17 27 17 -43.3 -46.6 28.43 17 25 41 252 -050 070055044 M33M28M26 000 18 27 18 -43.3 -46.7 28.44 17 26 41 252 -069 070053044 M32M28M26 000 19 27 19 -43.2 -46.5 28.46 17 25 38 249 -049 070050045 M32M27M26 000 20 27 20 -42.7 -46.0 28.49 16 24 37 248 -078 070049041 M31M27M26 000 21 27 21 -42.1 -45.3 28.52 14 22 37 248 -119 071049037 M31M27M25 000 22 27 22 -40.9 -44.0 28.52 13 20 39 250 -109 072051037 M30M27M25 000 23 27 23 -39.7 -42.6 28.54 11 16 37 248 -082 074049042 M29M26M25 000 24 28 00 -38.7 -41.4 28.54 10 13 44 255 -073 075046045 M28M26M26 000 25 28 01 -37.5 -40.3 28.55 9 10 65 276 -048 075046044 M27M26M26 000 26 28 02 -37.1 -40.2 28.56 10 12 75 286 -068 073045042 M27M26M26 000 27 28 03 -36.6 -39.9 28.56 10 14 74 285 -086 071043044 M26M26M25 000 28 28 04 -36.0 -39.7 28.57 11 15 69 280 -056 069041037 M26M25M24 000 29 28 05 -35.3 -39.3 28.57 11 16 72 283 -035 066039033 M25M24M24 000 30 28 06 -34.0 -38.8 28.58 9 13 80 291 -020 062037031 M24M23M23 000 31 28 07 -32.4 -38.0 28.56 8 11 98 309 -048 057034029 M23M22M22 000 32 28 08 -32.6 -38.0 28.56 10 14 117 328 -062 058032033 M22M21M21 000 33 28 09 -32.7 -38.0 28.56 11 17 119 330 -004 059030036 M22M20M19 000 34 28 10 -31.4 -37.0 28.55 11 17 121 332 018 058027035 M20M19M18 000 35 28 11 -30.1 -35.9 28.54 11 16 121 332 086 057024028 M19M18M17 000 36 28 12 -29.3 -35.3 28.53 10 15 131 342 099 056023022 M19M17M17 000 37 28 13 -28.8 -35.4 28.53 9 13 135 346 022 053023022 M19M18M18 000 38 28 14 -27.8 -35.4 28.52 7 11 133 344 007 048023021 M19M18M18 000 39 28 15 -27.8 -35.8 28.51 7 10 113 324 017 047025024 M19M18M18 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 1h) 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.