USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026111200 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 12 00 -18.6 -21.9 28.55 5 6 5 216 -005 071060046 M18M17M17 000 01 12 01 -19.1 -21.8 28.55 7 10 17 228 -013 080052044 M17M17M17 000 02 12 02 -19.3 -22.1 28.55 7 11 26 237 005 079046043 M17M16M17 000 03 12 03 -19.5 -22.5 28.53 8 12 27 238 -002 077044042 M17M17M17 000 04 12 04 -19.7 -22.8 28.54 9 13 32 243 -008 077044041 M17M16M17 000 05 12 05 -20.0 -23.1 28.55 9 13 34 245 -008 077046040 M17M16M17 000 06 12 06 -20.4 -23.4 28.54 9 12 39 250 -030 077049041 M17M16M17 000 07 12 07 -20.8 -23.8 28.56 9 12 42 253 -030 077050041 M16M16M17 000 08 12 08 -21.2 -24.3 28.55 8 10 46 257 -030 076051043 M16M16M17 000 09 12 09 -20.6 -24.1 28.54 6 7 46 257 -017 074050043 M16M16M17 000 10 12 10 -19.1 -23.4 28.55 4 4 49 260 002 068053044 M16M16M17 000 11 12 11 -18.6 -23.3 28.54 2 3 104 315 024 066056046 M16M17M18 000 12 12 12 -18.8 -23.5 28.54 3 5 137 348 -008 066058048 M17M17M18 000 13 12 13 -19.7 -23.8 28.52 4 6 136 347 -010 070054052 M17M17M18 000 14 12 14 -19.9 -23.9 28.55 4 6 117 328 -000 071052053 M16M17M18 000 15 12 15 -19.2 -23.6 28.53 4 4 100 311 -004 068055049 M16M17M18 000 16 12 16 -18.5 -23.2 28.53 3 3 101 312 015 066056045 M16M17M18 000 17 12 17 -18.0 -22.9 28.56 2 3 102 313 006 065058042 M17M17M18 000 18 12 18 -17.9 -22.7 28.56 2 2 98 309 -001 066059043 M17M18M18 000 19 12 19 -17.7 -22.5 28.55 1 1 84 295 -000 066059043 M17M18M18 000 20 12 20 -17.6 -22.3 28.57 2 2 341 192 003 067058043 M17M18M18 000 21 12 21 -17.9 -21.7 28.56 2 2 305 156 -005 072053042 M17M18M18 000 22 12 22 -17.7 -21.6 28.56 1 2 291 142 -006 072050042 M17M17M18 000 23 12 23 -17.4 -21.4 28.57 0 1 359 210 010 071051041 M17M17M18 000 24 13 00 -17.5 -21.2 28.57 3 3 42 253 -006 073052042 M17M18M18 000 25 13 01 -17.9 -21.1 28.59 5 5 31 242 -006 076052041 M17M17M18 000 26 13 02 -18.4 -21.6 28.60 5 6 23 234 003 076053041 M17M17M18 000 27 13 03 -19.0 -22.2 28.60 5 6 23 234 -002 075052040 M17M17M18 000 28 13 04 -19.3 -23.1 28.62 4 5 32 243 -008 072050039 M17M17M18 000 29 13 05 -19.4 -23.8 28.63 4 4 52 263 -012 068047038 M17M17M18 000 30 13 06 -19.9 -24.5 28.63 5 5 64 275 -008 067043038 M17M17M18 000 31 13 07 -20.2 -25.1 28.64 5 5 70 281 -003 065040039 M17M17M18 000 32 13 08 -20.2 -25.6 28.65 5 6 77 288 -001 062038040 M16M17M17 000 33 13 09 -20.1 -25.7 28.64 5 6 81 292 -003 061036040 M16M16M17 000 34 13 10 -20.1 -25.8 28.66 6 7 87 298 -009 060035043 M16M16M17 000 35 13 11 -20.3 -26.4 28.65 6 7 84 295 -003 059034046 M16M16M17 000 36 13 12 -20.3 -26.6 28.65 6 8 78 289 -004 057034046 M15M16M17 000 37 13 13 -19.7 -25.6 28.68 6 8 73 284 -014 060037044 M15M16M16 000 38 13 14 -19.2 -24.7 28.68 6 7 70 281 -020 062042044 M15M16M16 000 39 13 15 -18.9 -24.4 28.69 6 7 71 282 -018 062043042 M15M16M16 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.