USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025093000 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 30 00 -13.4 -18.5 28.80 20 22 84 295 -008 068042039 M12M11M10 000 03 30 03 -16.0 -18.6 28.77 18 32 88 299 004 080048035 M12M12M11 000 06 30 06 -17.2 -20.1 28.74 16 28 81 292 019 078039028 M11M10M09 000 09 30 09 -17.9 -21.0 28.71 15 26 80 291 005 077032031 M09M08M08 000 12 30 12 -16.8 -20.4 28.70 14 25 80 291 000 073028030 M08M07M07 000 15 30 15 -16.7 -20.2 28.69 12 22 75 286 033 075029036 M08M07M07 000 18 30 18 -15.9 -19.2 28.71 13 20 83 294 022 075031041 M08M07M07 000 21 30 21 -15.8 -19.3 28.69 13 22 80 291 009 074032043 M09M07M07 000 24 01 00 -16.9 -20.2 28.67 12 19 81 292 013 076035044 M11M08M08 000 27 01 03 -18.0 -21.2 28.66 11 18 91 301 -015 076036043 M12M10M09 000 30 01 06 -19.4 -22.5 28.66 11 19 92 303 005 077036039 M13M11M09 000 33 01 09 -20.8 -23.6 28.65 9 17 79 290 -010 078038039 M14M11M10 000 36 01 12 -22.0 -24.6 28.65 7 11 65 276 -030 079046041 M15M13M12 000 39 01 15 -22.0 -24.5 28.68 7 11 42 253 -002 080052043 M16M14M12 000 42 01 18 -22.8 -25.2 28.73 8 14 32 243 005 081056046 M17M15M13 000 45 01 21 -23.1 -25.5 28.76 9 14 33 244 -017 081061047 M17M15M14 000 48 02 00 -23.5 -25.6 28.78 10 14 26 236 -008 083057048 M18M15M14 000 51 02 03 -24.8 -27.0 28.82 8 14 1 212 -000 082066050 M17M15M14 000 54 02 06 -24.9 -26.6 28.87 7 13 356 207 -001 086065053 M17M16M14 000 57 02 09 -25.2 -26.7 28.89 7 13 359 210 002 087059051 M18M16M15 000 60 02 12 -24.4 -25.9 28.91 6 12 352 203 007 087071049 M17M16M16 000 63 02 15 -22.5 -23.6 28.93 6 11 342 193 012 091086054 M17M16M16 001 66 02 18 -21.7 -22.9 28.95 5 10 343 194 008 090092058 M17M16M16 001 69 02 21 -20.3 -21.8 28.95 4 8 339 190 005 088095068 M18M17M16 003 72 03 00 -19.7 -21.5 28.92 4 7 319 170 006 086092073 M17M17M17 005 75 03 03 -20.3 -22.2 28.89 4 7 297 148 010 085092076 M18M17M17 010 78 03 06 -20.7 -22.7 28.86 4 7 288 139 006 084091075 M19M18M18 013 81 03 09 -21.2 -23.2 28.80 3 7 295 146 008 084089081 M19M19M18 014 84 03 12 -21.4 -23.5 28.73 3 6 311 162 006 083087084 M20M19M19 027 87 03 15 -22.9 -24.9 28.66 3 6 331 182 004 084088082 M21M20M20 018 90 03 18 -24.2 -26.0 28.59 4 5 9 220 003 085090080 M21M21M20 004 93 03 21 -24.3 -26.6 28.51 5 6 34 245 001 082089082 M22M21M21 003 96 04 00 -24.5 -26.9 28.45 5 7 39 250 -001 081088083 M22M21M21 003 99 04 03 -26.1 -28.5 28.41 6 7 45 256 003 081088086 M22M22M21 004 102 04 06 -27.7 -29.9 28.38 6 8 48 259 -003 081085086 M22M22M21 005 105 04 09 -28.1 -30.1 28.34 6 7 41 252 -004 083085087 M23M22M22 004 108 04 12 -27.8 -29.7 28.30 4 6 39 250 -000 084084086 M23M22M22 005 111 04 15 -28.9 -31.0 28.30 5 7 37 248 -001 082083086 M24M23M22 005 114 04 18 -28.7 -31.0 28.29 5 7 23 234 001 081083086 M24M23M23 003 117 04 21 -28.4 -31.1 28.29 6 8 19 230 002 078083086 M25M24M23 004 120 05 00 -29.2 -31.9 28.29 7 10 21 232 -003 077083086 M26M25M23 002 * 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.