USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026061212 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 12 12 -31.7 -35.5 28.69 6 6 238 89 003 070070073 M30M29M28 000 03 12 15 -35.5 -37.8 28.69 5 8 336 187 001 080072077 M29M28M28 000 06 12 18 -36.8 -39.1 28.72 5 10 277 128 -008 079071075 M30M29M28 000 09 12 21 -36.1 -38.5 28.76 3 5 214 65 -007 078071078 M30M29M28 000 12 13 00 -34.5 -36.7 28.77 2 2 86 297 004 080076074 M30M29M29 000 15 13 03 -35.3 -37.3 28.80 2 4 24 235 -008 081076076 M30M29M29 000 18 13 06 -34.8 -36.5 28.82 4 5 127 338 -002 085073075 M29M28M28 000 21 13 09 -36.9 -38.8 28.83 7 9 100 311 001 083074068 M29M28M29 000 24 13 12 -37.0 -39.0 28.84 8 10 81 292 -009 082073056 M28M28M29 000 27 13 15 -35.7 -37.7 28.85 7 9 91 302 -008 082072039 M28M28M28 000 30 13 18 -36.3 -38.5 28.85 9 13 95 306 -006 080069030 M28M27M28 000 33 13 21 -35.4 -38.1 28.85 10 15 93 304 -009 077064021 M27M27M27 000 36 14 00 -35.0 -37.8 28.81 11 17 95 306 -003 076059013 M26M26M26 000 39 14 03 -34.5 -37.4 28.78 11 18 99 310 -000 075054010 M26M25M26 000 42 14 06 -36.2 -39.2 28.75 12 20 104 315 -001 074048009 M25M25M25 000 45 14 09 -34.8 -38.0 28.70 12 21 101 312 -008 073037009 M24M23M23 000 48 14 12 -33.8 -37.1 28.63 12 20 95 306 -001 073023014 M22M21M21 000 51 14 15 -33.1 -36.6 28.59 11 18 94 305 -001 071018033 M21M20M20 000 54 14 18 -31.0 -35.7 28.55 11 16 80 291 001 064028047 M19M19M19 000 57 14 21 -28.1 -33.9 28.53 9 14 53 264 -004 058037064 M18M18M18 000 60 15 00 -25.7 -29.7 28.51 8 12 39 250 -006 069083083 M18M18M19 002 63 15 03 -26.6 -28.5 28.54 10 16 48 259 -002 084086084 M18M18M19 008 66 15 06 -27.5 -28.6 28.58 11 18 21 232 -006 091085083 M19M19M19 004 69 15 09 -28.9 -30.1 28.61 12 20 32 243 010 090082079 M20M20M19 001 72 15 12 -29.3 -31.1 28.64 12 22 34 245 003 084083073 M21M19M19 000 75 15 15 -28.2 -30.2 28.68 13 25 28 239 -008 083093058 M20M19M19 001 78 15 18 -27.7 -29.5 28.72 10 17 20 231 002 085087051 M20M20M21 002 81 15 21 -25.9 -27.9 28.73 9 15 45 256 -010 084079075 M21M21M20 002 84 16 00 -24.4 -26.5 28.69 8 13 54 265 -012 083080082 M19M19M18 003 87 16 03 -24.0 -25.9 28.66 8 9 77 288 -021 084075082 M17M17M17 007 90 16 06 -25.8 -27.5 28.62 10 16 85 296 020 085070067 M17M17M17 000 93 16 09 -24.5 -27.4 28.56 10 15 99 310 -032 077063063 M16M15M16 000 96 16 12 -23.8 -26.9 28.49 11 16 110 321 001 076049052 M14M14M15 000 99 16 15 -24.0 -26.9 28.44 10 16 117 328 -015 077047051 M14M13M14 000 102 16 18 -23.3 -26.7 28.40 10 16 124 335 -001 074046055 M13M13M14 000 105 16 21 -21.5 -26.0 28.36 7 10 127 338 011 067046055 M13M13M14 000 108 17 00 -18.7 -25.0 28.33 1 2 217 68 008 057049057 M13M14M15 000 111 17 03 -19.3 -24.8 28.31 3 6 248 99 -007 062049057 M14M14M14 000 114 17 06 -21.2 -25.6 28.32 5 6 334 185 009 068052059 M15M15M15 000 117 17 09 -23.5 -26.7 28.32 7 9 358 209 -004 075054062 M15M15M15 000 120 17 12 -23.7 -26.3 28.31 7 12 9 220 005 079055063 M15M15M15 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.