USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026050312 WRF 2.67-km 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 03 12 -16.8 -21.7 28.62 5 7 160 11 001 065039031 M15M14M12 000 01 03 13 -18.4 -21.9 28.58 5 6 192 43 073 074045036 M14M14M13 000 02 03 14 -18.3 -21.9 28.57 6 7 204 55 056 074065060 M15M14M14 000 03 03 15 -18.9 -22.0 28.57 6 9 218 69 026 077086086 M16M15M16 006 04 03 16 -19.0 -21.3 28.57 5 7 202 53 015 082085083 M15M15M15 014 05 03 17 -18.8 -20.9 28.57 4 5 166 17 034 083084085 M15M15M15 006 06 03 18 -17.4 -19.5 28.57 1 2 45 256 000 084087087 M15M16M16 007 07 03 19 -17.8 -19.8 28.61 8 10 335 186 039 084089088 M17M17M16 015 08 03 20 -18.8 -20.9 28.64 11 18 318 169 041 083087085 M17M17M17 030 09 03 21 -19.3 -22.0 28.69 15 28 314 165 -060 079073085 M18M17M17 030 10 03 22 -19.2 -21.7 28.74 18 34 313 164 -077 081077082 M18M17M18 013 11 03 23 -19.7 -22.0 28.79 17 29 329 180 -102 083082080 M18M17M17 007 12 04 00 -21.3 -23.4 28.82 16 27 346 197 -048 083075070 M18M18M18 003 13 04 01 -22.2 -24.4 28.87 17 28 359 210 024 082070067 M18M17M17 001 14 04 02 -21.9 -24.1 28.89 15 27 4 215 019 082068065 M18M18M17 000 15 04 03 -21.2 -23.6 28.92 14 24 9 220 028 081071067 M18M17M17 000 16 04 04 -20.9 -23.2 28.96 13 21 20 230 036 081069063 M17M17M17 000 17 04 05 -20.4 -22.9 28.99 11 17 31 242 063 080065053 M16M16M17 000 18 04 06 -20.5 -23.0 28.99 10 16 51 262 105 080072053 M16M16M16 000 19 04 07 -20.1 -22.8 29.00 11 17 61 272 103 079063052 M16M15M16 000 20 04 08 -20.3 -22.8 29.01 12 19 74 285 089 081059054 M15M15M15 000 21 04 09 -21.1 -23.1 29.03 14 21 86 297 025 084064055 M15M15M15 000 22 04 10 -21.0 -22.8 29.05 13 21 88 299 027 085075056 M15M15M15 000 23 04 11 -20.8 -22.7 29.03 13 21 97 308 044 085075069 M15M15M16 000 24 04 12 -20.9 -22.6 29.04 13 22 112 323 011 086074075 M15M15M16 000 25 04 13 -22.0 -23.6 29.05 13 24 124 335 019 087077070 M15M15M16 000 26 04 14 -21.7 -23.4 29.04 13 24 128 339 002 086076072 M16M15M16 000 27 04 15 -21.5 -23.3 29.02 13 23 132 343 -016 085073070 M16M15M15 000 28 04 16 -21.8 -23.9 29.01 12 22 133 344 013 083073054 M15M15M16 000 29 04 17 -22.5 -24.9 29.01 12 18 131 342 013 081056041 M15M15M15 000 30 04 18 -23.0 -26.2 28.99 11 16 120 331 012 075040036 M15M14M14 000 31 04 19 -23.0 -27.4 28.97 10 13 102 313 035 067035035 M13M13M14 000 32 04 20 -21.9 -27.7 28.95 10 14 79 290 025 060034036 M13M13M14 000 33 04 21 -21.3 -27.8 28.95 9 12 73 284 016 056032038 M12M13M14 000 34 04 22 -20.3 -27.3 28.94 8 10 75 285 019 053031040 M12M13M14 000 35 04 23 -19.6 -27.0 28.93 7 9 80 291 -003 052032042 M12M13M14 000 36 05 00 -18.2 -26.8 28.91 6 8 87 298 -028 047032042 M12M13M14 000 37 05 01 -16.9 -26.5 28.91 4 6 116 327 -070 043032040 M12M13M14 000 38 05 02 -17.4 -26.6 28.89 5 8 136 347 -026 044033034 M13M13M14 000 39 05 03 -19.0 -26.9 28.87 6 9 144 355 -001 050034031 M13M13M14 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 1h) 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.