USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025092812 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 12 -19.9 -30.0 28.72 11 11 148 359 -002 053038036 M17M15M14 000 03 28 15 -25.1 -30.6 28.70 10 14 163 14 012 060028035 M15M13M13 000 06 28 18 -24.8 -30.5 28.70 7 9 162 13 -028 059050059 M15M14M13 000 09 28 21 -19.0 -26.2 28.72 3 4 104 315 -003 053066085 M15M15M14 000 12 29 00 -20.9 -25.7 28.72 3 4 9 220 -013 066072075 M16M14M13 000 15 29 03 -20.0 -24.4 28.74 2 3 280 131 003 068078054 M14M13M12 000 18 29 06 -21.2 -23.4 28.75 5 6 128 339 008 082074041 M15M13M12 000 21 29 09 -22.7 -23.8 28.76 8 10 100 311 -000 091051049 M14M12M11 000 24 29 12 -22.5 -25.3 28.76 10 16 80 291 011 078042041 M13M11M10 000 27 29 15 -21.8 -25.0 28.77 16 28 69 280 -004 076035035 M13M10M09 000 30 29 18 -23.7 -27.0 28.81 21 35 67 277 037 074040030 M15M10M09 000 33 29 21 -22.9 -26.7 28.85 17 29 75 286 -046 071045019 M14M12M11 000 36 30 00 -21.6 -25.4 28.84 18 31 76 287 -095 071025036 M12M09M10 000 39 30 03 -20.9 -24.5 28.83 17 31 77 288 -046 073029034 M13M09M09 000 42 30 06 -20.9 -24.2 28.81 17 30 78 289 016 075028030 M12M09M09 000 45 30 09 -19.9 -23.3 28.78 17 29 74 285 009 074029031 M10M08M08 000 48 30 12 -19.9 -23.6 28.73 14 24 71 282 034 073031033 M10M09M09 000 51 30 15 -19.9 -23.6 28.71 13 21 72 283 -008 072031041 M09M08M08 000 54 30 18 -18.3 -22.2 28.71 13 22 78 289 021 072032043 M09M08M09 000 57 30 21 -19.9 -23.5 28.68 11 19 56 267 017 073034049 M09M08M09 000 60 01 00 -18.3 -23.1 28.67 6 10 44 255 009 066037050 M10M10M10 000 63 01 03 -16.9 -23.3 28.68 2 5 247 98 -018 058041043 M13M11M11 000 66 01 06 -17.3 -23.8 28.70 1 2 181 32 -010 057037040 M11M10M11 000 69 01 09 -18.8 -24.6 28.72 5 7 319 170 -013 060036038 M12M11M11 000 72 01 12 -19.9 -24.2 28.74 5 9 308 159 -019 069048027 M13M12M12 000 75 01 15 -19.1 -21.9 28.78 2 3 356 207 -003 079049031 M13M13M13 000 78 01 18 -18.6 -21.5 28.80 3 3 75 286 001 078051036 M14M13M13 000 81 01 21 -18.1 -21.4 28.81 2 2 85 296 -002 075052039 M14M13M13 000 84 02 00 -19.1 -22.4 28.81 4 4 136 347 -003 076049041 M13M13M13 000 87 02 03 -18.6 -23.5 28.82 2 3 89 300 007 066049043 M14M13M13 000 90 02 06 -18.7 -23.6 28.82 2 3 145 356 -002 065049043 M14M13M13 000 93 02 09 -19.3 -23.8 28.83 3 3 327 178 -000 068054048 M15M14M14 000 96 02 12 -20.6 -23.2 28.84 3 5 304 155 005 080065050 M15M15M14 000 99 02 15 -21.5 -22.8 28.85 4 6 331 182 007 089072051 M16M15M15 000 102 02 18 -21.6 -23.3 28.85 5 7 348 199 -002 086069047 M17M16M15 000 105 02 21 -21.3 -23.4 28.83 5 7 344 195 008 084067043 M18M16M16 000 108 03 00 -20.5 -22.7 28.81 3 5 306 157 -004 082069045 M18M17M16 000 111 03 03 -20.7 -22.9 28.78 3 5 302 153 012 082070059 M19M17M17 002 114 03 06 -21.1 -23.4 28.76 3 5 314 165 -001 082075078 M18M17M17 005 117 03 09 -21.8 -24.1 28.71 6 8 350 201 -000 082082083 M19M18M17 008 120 03 12 -21.9 -24.2 28.65 6 10 355 206 005 081083084 M19M18M18 012 * 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.