USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026050100 WRF 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 -32.0 -37.5 28.92 10 10 95 306 -005 062054049 M29M28M28 000 03 01 03 -36.7 -40.0 28.89 12 20 93 304 -033 071044037 M29M28M27 000 06 01 06 -36.4 -40.6 28.85 14 23 105 316 -019 065034024 M27M26M25 000 09 01 09 -35.3 -40.3 28.80 17 30 116 327 -019 061028016 M26M25M24 000 12 01 12 -34.3 -40.0 28.71 17 30 117 328 -032 056022012 M25M23M22 000 15 01 15 -31.7 -38.2 28.63 18 32 126 337 -008 053015010 M23M20M18 000 18 01 18 -28.7 -35.9 28.54 18 32 127 338 018 050010008 M19M17M16 000 21 01 21 -25.7 -31.8 28.46 16 30 128 339 034 057019033 M15M14M14 000 24 02 00 -23.1 -26.7 28.39 14 24 114 325 044 073055072 M13M12M12 000 27 02 03 -21.8 -24.0 28.41 16 28 75 286 004 083062064 M11M12M12 000 30 02 06 -20.5 -23.9 28.42 14 23 60 271 -009 074054051 M11M10M11 000 33 02 09 -20.7 -24.0 28.44 12 20 79 290 -015 075047063 M10M10M11 000 36 02 12 -22.2 -25.8 28.40 12 19 92 303 097 073040054 M11M10M10 000 39 02 15 -23.2 -26.2 28.39 17 31 78 289 005 076045038 M13M12M12 000 42 02 18 -19.6 -23.1 28.37 24 37 75 286 -199 074034037 M14M10M11 000 45 02 21 -21.5 -24.9 28.39 27 44 58 269 -296 074046031 M17M14M12 000 48 03 00 -22.2 -23.3 28.51 20 34 47 258 -229 091077060 M15M14M14 000 51 03 03 -22.9 -26.9 28.56 16 30 55 266 -172 070068047 M15M14M14 000 54 03 06 -22.9 -26.4 28.63 8 14 42 253 014 073057064 M14M14M15 000 57 03 09 -19.6 -23.7 28.64 3 4 88 299 -001 070060081 M13M14M15 000 60 03 12 -19.7 -22.6 28.65 4 9 240 91 017 078060068 M14M14M15 000 63 03 15 -23.4 -25.3 28.69 6 12 246 97 020 085052062 M15M14M15 000 66 03 18 -21.8 -24.5 28.77 4 8 252 103 012 079058057 M15M15M16 000 69 03 21 -23.5 -25.6 28.87 6 12 320 171 -022 083067060 M17M17M17 000 72 04 00 -24.8 -26.3 28.96 8 15 347 198 -010 088061069 M16M17M17 000 75 04 03 -26.7 -28.5 29.06 12 20 43 254 009 085065072 M16M17M18 000 78 04 06 -26.3 -28.2 29.13 10 17 54 265 -005 084061078 M16M16M17 000 81 04 09 -26.1 -28.0 29.17 9 13 52 263 022 084067077 M17M17M18 000 84 04 12 -25.2 -26.8 29.21 7 10 18 229 008 086062059 M17M18M18 000 87 04 15 -23.0 -25.3 29.25 2 5 312 163 003 082054057 M18M18M19 000 90 04 18 -22.8 -25.6 29.26 2 3 185 36 -007 077059054 M17M18M19 000 93 04 21 -23.4 -26.1 29.24 3 5 174 25 -015 079060053 M17M18M19 000 96 05 00 -25.2 -26.2 29.22 5 7 167 18 -015 091058048 M18M18M19 000 99 05 03 -25.9 -26.3 29.18 6 9 185 36 -015 097062045 M18M18M19 000 102 05 06 -27.8 -27.6 29.14 7 10 186 37 -015 101061036 M19M19M19 000 105 05 09 -28.3 -28.2 29.08 7 11 204 55 -013 101052034 M19M18M18 000 108 05 12 -28.8 -28.7 29.01 7 11 215 66 -007 101053028 M19M18M18 001 111 05 15 -29.2 -29.1 28.96 7 11 219 70 -010 101062024 M19M18M18 001 114 05 18 -27.3 -27.7 28.90 4 7 206 57 -009 096061027 M18M17M18 000 117 05 21 -26.9 -28.3 28.84 4 6 196 47 -006 088060023 M18M17M18 000 120 06 00 -26.5 -28.6 28.78 4 4 160 11 002 082060026 M17M17M17 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.