USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026061200 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 00 -31.2 -36.5 28.61 6 7 257 108 003 070069071 M29M27M25 000 03 12 03 -35.3 -37.2 28.62 6 11 255 106 -013 083078074 M28M27M27 000 06 12 06 -36.0 -40.3 28.65 7 12 246 97 -013 064071079 M28M27M28 001 09 12 09 -35.2 -37.2 28.70 6 11 249 100 -015 082076074 M27M27M27 000 12 12 12 -34.8 -36.7 28.71 5 10 249 100 -004 083079076 M27M27M28 000 15 12 15 -35.6 -39.0 28.76 4 7 217 68 -005 071074077 M29M28M28 001 18 12 18 -33.0 -36.5 28.78 2 3 142 353 -013 071075077 M28M28M28 000 21 12 21 -33.4 -35.6 28.79 3 3 89 300 012 080076076 M28M28M29 001 24 13 00 -34.6 -36.4 28.81 5 6 73 284 -001 083076077 M28M28M29 000 27 13 03 -34.6 -36.3 28.81 5 6 83 294 000 084076072 M28M28M29 000 30 13 06 -35.7 -37.3 28.81 7 9 103 314 006 085075069 M28M28M28 000 33 13 09 -36.2 -37.9 28.82 8 11 90 301 -003 084071066 M27M27M28 000 36 13 12 -35.6 -37.5 28.80 8 11 95 306 -005 083067053 M27M27M28 000 39 13 15 -35.3 -37.3 28.81 8 12 101 312 -002 082065048 M27M27M28 000 42 13 18 -36.4 -38.8 28.81 9 13 104 315 -009 079064039 M27M27M27 000 45 13 21 -36.5 -38.9 28.79 10 15 100 311 -012 078060033 M26M26M26 000 48 14 00 -36.0 -38.5 28.75 10 15 94 305 -005 078056031 M26M25M26 000 51 14 03 -35.8 -38.4 28.72 11 17 102 313 -008 077051030 M25M25M25 000 54 14 06 -35.5 -38.2 28.68 12 19 102 313 -005 077042034 M24M24M23 000 57 14 09 -33.4 -36.3 28.63 11 17 94 305 -004 075033041 M23M22M22 000 60 14 12 -32.8 -35.7 28.58 11 16 85 296 -014 075029050 M21M20M20 000 63 14 15 -31.1 -34.7 28.54 11 15 73 284 -009 071028054 M19M19M19 000 66 14 18 -27.6 -31.3 28.53 10 16 52 263 005 071082083 M18M18M19 002 69 14 21 -27.8 -28.7 28.52 11 17 53 264 -002 092090082 M18M19M19 003 72 15 00 -26.3 -27.9 28.51 11 17 49 260 016 087092084 M18M19M19 003 75 15 03 -24.5 -26.2 28.53 13 26 18 229 024 086088079 M19M20M19 010 78 15 06 -24.2 -26.0 28.57 16 30 14 225 027 085085068 M19M20M20 004 81 15 09 -23.9 -25.8 28.61 18 30 15 226 050 084084062 M20M20M19 004 84 15 12 -25.1 -26.8 28.63 18 33 19 230 067 085088061 M20M20M19 002 87 15 15 -23.0 -25.1 28.66 17 30 18 229 034 083086060 M20M20M19 003 90 15 18 -21.9 -23.9 28.68 16 28 20 231 064 084083072 M19M19M19 014 93 15 21 -22.5 -24.4 28.67 12 22 34 245 051 084081070 M19M19M19 013 96 16 00 -23.6 -25.7 28.65 10 19 37 248 039 083084068 M18M19M20 008 99 16 03 -23.9 -26.3 28.65 10 14 78 289 026 081084083 M18M19M19 011 102 16 06 -24.4 -26.1 28.63 11 19 86 297 -010 086087081 M17M18M19 010 105 16 09 -24.1 -26.2 28.60 11 18 92 303 -013 083072080 M16M17M18 001 108 16 12 -23.3 -26.0 28.57 12 20 93 304 -017 078058081 M15M16M17 000 111 16 15 -21.4 -24.4 28.53 11 19 98 309 -010 077052075 M15M15M16 000 114 16 18 -21.1 -24.6 28.50 10 17 93 304 -003 073052076 M14M14M14 001 117 16 21 -22.1 -26.3 28.47 9 14 84 295 -003 069052074 M13M13M14 000 120 17 00 -20.1 -25.0 28.44 7 8 68 279 -013 065051072 M12M13M14 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.