USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025092812 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 28 12 -21.2 -30.9 28.75 9 9 153 4 -003 054036034 M17M15M14 000 03 28 15 -25.3 -30.6 28.73 8 10 173 24 -003 061031035 M16M14M13 000 06 28 18 -24.9 -30.5 28.73 5 7 170 21 -018 060049060 M16M14M14 000 09 28 21 -19.9 -27.0 28.76 2 4 56 267 -007 054061078 M16M15M14 000 12 29 00 -21.6 -26.3 28.76 3 5 17 228 -014 066066075 M18M15M14 000 15 29 03 -21.0 -25.1 28.78 2 4 323 174 006 069073057 M16M14M13 000 18 29 06 -21.9 -24.5 28.79 3 5 134 345 005 080075045 M16M14M13 000 21 29 09 -23.3 -24.5 28.80 5 7 106 317 007 091061049 M16M13M12 000 24 29 12 -23.6 -26.1 28.80 8 12 86 297 001 080047042 M15M12M11 000 27 29 15 -23.0 -25.9 28.81 12 22 65 276 -011 078040037 M15M12M10 000 30 29 18 -23.9 -27.2 28.85 16 26 66 277 034 075044034 M17M12M10 000 33 29 21 -23.1 -26.7 28.88 15 25 79 290 -013 072044023 M14M12M11 000 36 30 00 -21.6 -25.3 28.86 17 29 78 289 -037 072026033 M12M10M10 000 39 30 03 -21.3 -24.6 28.86 16 29 78 289 -021 074030034 M12M10M09 000 42 30 06 -20.9 -24.1 28.83 15 27 81 292 019 076030031 M12M10M09 000 45 30 09 -20.0 -23.3 28.80 15 27 76 287 026 075029030 M11M09M08 000 48 30 12 -19.9 -23.5 28.76 13 23 77 288 037 073030033 M10M09M09 000 51 30 15 -20.0 -23.6 28.74 12 19 77 288 031 073032039 M10M08M08 000 54 30 18 -18.4 -22.1 28.74 12 21 77 287 020 073033042 M10M09M09 000 57 30 21 -20.0 -23.4 28.70 9 16 62 273 023 074035046 M10M09M09 000 60 01 00 -18.5 -23.1 28.69 5 9 44 255 -007 067038048 M11M10M10 000 63 01 03 -17.2 -23.2 28.71 2 4 287 138 -010 059040044 M13M11M10 000 66 01 06 -17.7 -23.8 28.73 2 3 319 170 -002 059039041 M12M11M11 000 69 01 09 -19.3 -24.7 28.75 4 6 326 177 -004 062041037 M13M12M11 000 72 01 12 -20.5 -24.6 28.77 4 6 320 171 -012 070049031 M14M13M12 000 75 01 15 -19.8 -22.3 28.81 3 4 19 230 -005 081053034 M14M13M13 000 78 01 18 -19.2 -21.8 28.84 3 3 81 292 003 080056037 M15M14M13 000 81 01 21 -18.5 -21.7 28.84 2 2 124 335 -001 076056039 M15M14M13 000 84 02 00 -19.5 -22.6 28.84 3 4 139 350 -004 076053041 M15M14M13 000 87 02 03 -19.0 -23.5 28.85 2 2 131 342 009 068052042 M14M13M13 000 90 02 06 -19.1 -23.6 28.86 2 2 190 41 000 067054042 M15M14M13 000 93 02 09 -19.7 -23.8 28.86 3 3 319 170 -002 070060047 M16M15M14 000 96 02 12 -20.9 -23.4 28.87 3 4 308 159 005 080066050 M16M15M14 000 99 02 15 -21.8 -23.2 28.88 3 5 342 193 003 088072051 M17M16M15 000 102 02 18 -21.7 -23.4 28.88 4 6 356 207 -000 087073048 M18M17M16 000 105 02 21 -21.4 -23.4 28.87 3 6 344 195 008 084073046 M19M17M16 000 108 03 00 -20.5 -22.7 28.84 2 4 312 163 001 083074049 M19M18M16 000 111 03 03 -20.8 -22.9 28.82 2 4 309 160 010 083074060 M19M18M17 002 114 03 06 -21.2 -23.4 28.79 2 4 326 177 -000 083079075 M20M18M17 005 117 03 09 -21.9 -24.1 28.75 4 6 359 210 002 082084081 M20M18M18 008 120 03 12 -22.0 -24.2 28.68 4 7 2 213 000 082084083 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.