USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025072700 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 27 00 -37.0 -41.4 28.15 5 5 109 320 -003 068048037 M31M26M25 000 03 27 03 -37.0 -40.8 28.13 8 11 69 280 016 068049064 M29M27M26 000 06 27 06 -36.8 -40.8 28.19 5 7 13 224 011 066061080 M30M29M28 002 09 27 09 -38.1 -41.7 28.23 7 9 5 216 008 069063081 M32M30M28 001 12 27 12 -41.4 -44.8 28.27 11 18 22 233 014 069070059 M34M31M30 003 15 27 15 -43.1 -46.5 28.37 13 21 39 250 -002 069071047 M34M30M28 001 18 27 18 -43.4 -46.8 28.47 15 25 44 255 -034 069057045 M34M29M27 000 21 27 21 -42.4 -45.7 28.55 12 21 42 253 -055 071053038 M32M28M26 000 24 28 00 -38.7 -41.5 28.56 8 12 54 265 -049 075049045 M29M27M26 000 27 28 03 -36.6 -40.0 28.58 9 12 81 292 -064 071045043 M27M26M26 000 30 28 06 -34.1 -38.8 28.60 8 12 89 300 -010 062038031 M24M24M23 000 33 28 09 -32.8 -38.0 28.58 10 16 125 336 -003 059031034 M22M21M20 000 36 28 12 -29.4 -35.3 28.55 8 14 139 350 059 057024022 M19M18M18 000 39 28 15 -27.9 -35.8 28.53 6 8 125 336 015 047026024 M20M18M18 000 42 28 18 -31.4 -36.2 28.53 8 12 52 263 020 063029059 M19M18M17 000 45 28 21 -33.8 -37.0 28.54 10 16 44 255 -016 073057064 M22M19M18 000 48 29 00 -34.5 -37.9 28.55 9 13 33 244 -041 071056054 M22M20M19 000 51 29 03 -34.3 -38.4 28.55 7 10 11 222 041 066048057 M24M23M21 000 54 29 06 -35.1 -39.0 28.56 8 10 7 218 -029 067034060 M25M23M22 000 57 29 09 -35.3 -39.2 28.55 8 12 343 194 -003 068037053 M24M23M22 000 60 29 12 -34.0 -38.2 28.54 6 11 321 172 -000 065041054 M25M24M23 000 63 29 15 -34.7 -38.5 28.55 7 12 324 175 002 068063078 M25M24M24 000 66 29 18 -34.2 -36.3 28.57 7 12 313 164 -002 082085081 M26M25M24 001 69 29 21 -33.1 -35.3 28.60 7 12 320 171 003 080082082 M25M25M25 002 72 30 00 -32.5 -35.1 28.61 7 11 318 169 002 078076082 M26M25M25 003 75 30 03 -32.5 -35.3 28.64 6 10 303 154 -001 077080079 M27M26M26 008 78 30 06 -32.3 -35.0 28.66 5 9 295 146 011 077078075 M27M27M27 009 81 30 09 -32.3 -35.1 28.67 5 8 298 149 007 076072074 M28M28M28 006 84 30 12 -32.0 -35.0 28.67 4 7 326 177 009 075075077 M29M29M29 010 87 30 15 -31.6 -34.6 28.67 5 5 27 238 009 074076076 M29M29M29 015 90 30 18 -32.2 -35.2 28.65 8 12 63 274 -009 075073074 M28M28M28 009 93 30 21 -34.8 -37.2 28.61 9 13 87 298 -009 079066065 M27M27M27 001 96 31 00 -34.8 -36.8 28.53 9 13 131 342 -014 082063059 M26M26M26 000 99 31 03 -35.5 -37.7 28.42 11 17 173 24 -000 081051030 M26M25M25 000 102 31 06 -34.0 -37.6 28.32 9 12 192 43 041 070044060 M24M23M23 000 105 31 09 -35.0 -38.5 28.24 6 8 195 46 -006 070062076 M26M25M24 000 108 31 12 -32.6 -36.8 28.19 2 4 189 40 -006 066068075 M27M26M25 000 111 31 15 -34.2 -37.6 28.17 7 11 358 209 -012 071074078 M29M26M26 009 114 31 18 -37.1 -40.4 28.19 8 12 350 201 -021 071077078 M31M28M27 020 117 31 21 -40.1 -43.3 28.22 8 12 11 222 -015 071079076 M31M29M27 001 120 01 00 -40.4 -43.5 28.26 8 12 17 228 -022 073079068 M30M28M27 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.