USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025100100 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 01 00 -13.2 -17.9 28.63 12 13 89 300 -006 074043044 M11M09M07 000 03 01 03 -17.2 -20.1 28.57 13 26 92 303 040 078039037 M13M11M09 000 06 01 06 -18.3 -20.9 28.57 18 31 74 285 051 080033034 M13M09M07 000 09 01 09 -20.5 -23.1 28.59 12 21 64 275 063 079038036 M13M11M09 000 12 01 12 -20.8 -23.7 28.58 13 22 62 273 026 078037037 M12M10M09 000 15 01 15 -21.0 -24.4 28.62 13 21 54 265 016 074037038 M12M09M09 000 18 01 18 -21.2 -24.2 28.65 11 17 41 252 015 077042040 M13M11M09 000 21 01 21 -21.8 -23.7 28.68 12 18 34 245 -026 085050042 M15M12M11 000 24 02 00 -22.3 -23.9 28.69 13 23 25 236 -005 087052046 M16M13M12 000 27 02 03 -23.2 -25.2 28.71 12 22 18 229 -025 084063050 M17M14M13 000 30 02 06 -23.9 -26.4 28.76 12 21 18 229 -021 080064051 M17M14M13 000 33 02 09 -24.5 -26.7 28.77 11 18 20 231 -020 082061053 M16M14M13 000 36 02 12 -23.5 -25.8 28.78 9 14 19 230 001 082047048 M15M14M14 000 39 02 15 -22.0 -24.5 28.80 6 10 17 228 004 080067048 M15M15M14 000 42 02 18 -21.8 -24.4 28.82 6 9 12 223 -000 080062046 M15M15M15 000 45 02 21 -20.2 -23.2 28.80 4 5 17 228 -010 077068045 M16M16M15 000 48 03 00 -21.0 -23.5 28.78 5 7 7 218 001 081072045 M16M16M15 000 51 03 03 -20.8 -22.5 28.76 2 5 305 156 010 087079046 M17M17M16 000 54 03 06 -21.2 -22.2 28.72 1 2 349 200 007 092075039 M17M17M16 000 57 03 09 -21.9 -22.4 28.67 2 2 352 203 005 096082033 M18M18M17 000 60 03 12 -23.2 -23.4 28.60 4 5 331 182 002 098077031 M18M18M17 000 63 03 15 -24.4 -24.5 28.54 3 4 266 117 004 099078031 M19M18M18 000 66 03 18 -23.9 -24.6 28.47 3 4 320 171 001 094087048 M20M19M19 000 69 03 21 -25.3 -27.0 28.39 5 8 325 176 008 086088075 M21M20M19 001 72 04 00 -25.8 -27.9 28.34 6 10 333 184 005 083090081 M22M21M20 001 75 04 03 -27.7 -30.1 28.29 8 13 355 206 -002 081092084 M23M22M21 002 78 04 06 -30.2 -32.6 28.27 9 14 358 209 009 079090047 M24M22M21 004 81 04 09 -31.7 -34.3 28.26 9 15 358 209 005 078090022 M24M23M22 003 84 04 12 -33.0 -35.5 28.25 9 14 3 214 005 078077014 M24M23M22 001 87 04 15 -33.2 -35.7 28.28 9 14 7 218 003 079047016 M24M22M21 001 90 04 18 -32.1 -34.7 28.32 8 12 19 230 -012 078033020 M23M22M21 000 93 04 21 -29.8 -32.5 28.36 7 8 33 244 -001 077032021 M23M22M22 000 96 05 00 -29.3 -32.0 28.39 9 12 47 258 002 077025020 M22M21M21 000 99 05 03 -29.9 -32.3 28.44 11 17 51 262 -007 079028020 M21M20M20 000 102 05 06 -29.9 -31.8 28.48 11 18 35 246 -001 083028029 M22M20M20 000 105 05 09 -30.5 -32.4 28.52 11 19 29 240 -004 083082058 M23M22M21 001 108 05 12 -30.4 -31.9 28.55 11 19 22 233 -002 087075022 M22M22M21 001 111 05 15 -29.3 -30.6 28.61 10 17 25 236 -005 089069052 M21M20M21 001 114 05 18 -27.2 -28.3 28.64 8 12 31 242 014 091065050 M20M20M21 001 117 05 21 -24.6 -25.9 28.66 5 6 53 264 000 089068051 M19M20M21 000 120 06 00 -24.6 -26.4 28.66 6 7 88 299 003 085060053 M20M20M21 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.