USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025092712 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 12 -26.6 -32.4 28.58 6 7 27 238 -003 062045039 M24M21M19 000 03 27 15 -31.1 -33.8 28.59 10 15 34 245 016 077046042 M22M20M19 000 06 27 18 -31.0 -33.6 28.66 10 17 33 243 000 078048046 M22M20M19 000 09 27 21 -29.5 -32.2 28.71 10 17 37 248 023 077054051 M22M20M19 000 12 28 00 -29.0 -31.7 28.76 9 14 46 257 030 078059051 M22M20M19 000 15 28 03 -28.2 -31.8 28.79 9 13 71 282 -012 071053045 M20M19M19 000 18 28 06 -27.9 -32.0 28.79 10 14 78 289 -013 068048043 M18M17M17 000 21 28 09 -26.1 -30.5 28.80 9 13 82 293 -009 067042042 M16M16M16 000 24 28 12 -25.0 -30.0 28.76 8 12 118 329 -018 063044038 M15M15M15 000 27 28 15 -24.8 -29.1 28.74 10 16 148 359 024 068035034 M14M13M13 000 30 28 18 -23.9 -28.5 28.71 10 14 167 18 024 066033042 M14M13M13 000 33 28 21 -23.5 -28.1 28.67 8 11 174 25 -010 066054068 M15M13M13 000 36 29 00 -21.8 -26.2 28.67 5 7 139 350 -003 068055066 M15M14M12 000 39 29 03 -20.0 -24.9 28.66 2 3 52 263 -005 065052056 M15M13M12 000 42 29 06 -21.8 -26.2 28.68 2 2 94 305 -001 068049045 M16M13M11 000 45 29 09 -24.8 -28.5 28.66 8 11 90 301 003 071043046 M14M12M10 000 48 29 12 -24.5 -27.5 28.66 11 18 81 292 024 076042038 M15M14M12 000 51 29 15 -28.7 -31.5 28.71 17 31 59 270 004 077045038 M17M11M09 000 54 29 18 -27.3 -30.5 28.74 18 34 64 275 -084 075054032 M16M11M10 000 57 29 21 -24.7 -28.0 28.76 18 31 69 280 -062 074054031 M13M11M11 000 60 30 00 -23.9 -27.5 28.78 17 29 77 288 -055 072056041 M12M11M11 000 63 30 03 -23.6 -27.5 28.78 17 27 83 294 -010 070025026 M11M10M11 000 66 30 06 -23.3 -26.6 28.77 16 29 76 287 -029 075030041 M13M10M09 000 69 30 09 -22.5 -26.2 28.73 16 30 78 289 -006 072033037 M10M08M09 000 72 30 12 -23.0 -27.2 28.69 14 23 85 296 038 068031037 M09M08M09 000 75 30 15 -23.8 -27.9 28.67 12 21 64 275 022 069030034 M10M09M09 000 78 30 18 -22.6 -27.4 28.68 8 12 60 271 -006 065033034 M11M10M10 000 81 30 21 -21.0 -26.2 28.65 8 9 72 283 -004 063033037 M11M10M10 000 84 01 00 -19.8 -25.3 28.64 8 9 53 264 -004 061031035 M09M09M10 000 87 01 03 -18.8 -25.6 28.64 2 2 20 231 005 055033035 M12M10M10 000 90 01 06 -19.6 -26.1 28.64 3 4 135 346 -008 056034036 M12M11M10 000 93 01 09 -19.9 -26.3 28.64 4 5 26 237 -009 057035038 M12M11M11 000 96 01 12 -23.3 -27.7 28.65 4 7 287 138 006 067037036 M14M12M11 000 99 01 15 -23.7 -27.7 28.68 4 7 300 151 -007 070040037 M15M13M12 000 102 01 18 -23.7 -26.0 28.71 5 7 321 172 -003 082046036 M15M14M13 000 105 01 21 -24.6 -26.2 28.73 6 9 323 174 001 086049038 M16M14M13 000 108 02 00 -25.7 -27.4 28.75 6 10 334 185 007 086071036 M17M15M14 000 111 02 03 -26.4 -28.3 28.77 6 11 348 199 013 084075052 M19M16M15 000 114 02 06 -28.4 -30.6 28.81 8 14 354 205 001 082077036 M20M17M16 000 117 02 09 -29.7 -32.1 28.82 9 15 1 212 -010 080085056 M21M19M17 000 120 02 12 -28.4 -31.0 28.84 9 15 360 211 -009 079085076 M22M19M18 001 * 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.