USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026050100 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 01 00 -32.1 -37.0 28.89 11 11 94 305 -009 061056050 M29M29M28 000 01 01 01 -36.4 -39.8 28.89 11 15 91 302 -041 071051045 M29M28M28 000 02 01 02 -36.4 -39.7 28.89 12 19 87 298 -034 071047041 M29M28M27 000 03 01 03 -36.4 -39.7 28.87 14 21 89 300 -031 071043035 M28M28M27 000 04 01 04 -36.4 -39.7 28.86 14 22 88 299 -033 071039031 M28M27M26 000 05 01 05 -36.4 -40.1 28.84 15 23 92 303 -017 069037026 M28M26M26 000 06 01 06 -36.0 -40.4 28.83 15 24 101 312 -016 064034022 M27M26M25 000 07 01 07 -35.5 -40.2 28.81 17 27 104 315 -020 062032020 M27M26M25 000 08 01 08 -35.2 -40.1 28.79 18 29 108 319 -031 061031018 M27M25M24 000 09 01 09 -35.2 -40.2 28.78 18 31 113 324 -017 060028015 M26M25M24 000 10 01 10 -35.0 -40.2 28.76 19 32 112 323 -030 059026014 M26M25M23 000 11 01 11 -34.8 -40.2 28.72 19 32 114 324 -021 058024012 M26M24M22 000 12 01 12 -34.2 -40.0 28.69 19 31 114 325 -028 055021011 M25M23M21 000 13 01 13 -33.4 -39.6 28.67 19 31 118 329 -015 054018011 M24M21M20 000 14 01 14 -32.6 -39.0 28.65 19 32 121 332 -017 053016011 M23M20M19 000 15 01 15 -31.8 -38.3 28.62 19 33 122 333 003 053014010 M23M19M18 000 16 01 16 -31.2 -37.9 28.58 19 33 120 331 072 052012010 M22M19M17 000 17 01 17 -29.9 -37.0 28.55 19 33 121 332 -013 050010009 M20M18M17 000 18 01 18 -28.8 -36.1 28.52 18 32 123 334 005 049009008 M19M17M16 000 19 01 19 -28.1 -35.6 28.48 18 32 122 333 -012 049008007 M18M16M15 000 20 01 20 -26.8 -34.2 28.46 18 32 121 332 -022 049008012 M16M15M15 000 21 01 21 -25.8 -32.0 28.45 16 30 123 334 014 056017037 M15M14M14 000 22 01 22 -25.1 -28.8 28.43 15 29 118 329 -014 071040039 M15M14M14 000 23 01 23 -23.7 -27.2 28.40 17 27 110 321 -007 073048040 M14M14M14 000 24 02 00 -22.7 -26.4 28.38 16 25 107 318 027 072053077 M13M12M11 000 25 02 01 -22.1 -25.0 28.38 16 26 95 306 044 077067082 M11M11M11 000 26 02 02 -21.0 -22.9 28.38 19 30 80 290 018 084071074 M11M12M12 000 27 02 03 -21.7 -23.8 28.39 18 28 71 282 -008 083063063 M12M12M12 000 28 02 04 -20.3 -23.7 28.39 18 29 68 279 024 074061050 M12M11M11 000 29 02 05 -20.5 -24.0 28.41 18 27 62 273 038 074058048 M12M11M10 000 30 02 06 -20.5 -23.9 28.41 14 23 59 269 010 074054052 M11M11M11 000 31 02 07 -19.4 -22.7 28.39 11 17 53 264 006 075044054 M10M10M11 000 32 02 08 -18.2 -21.8 28.41 12 15 70 281 -005 073046055 M10M10M11 000 33 02 09 -20.5 -23.8 28.43 13 20 74 284 -009 074044065 M10M10M11 000 34 02 10 -19.7 -23.1 28.42 11 18 79 290 030 075045066 M10M10M10 000 35 02 11 -21.0 -24.5 28.40 14 21 82 293 041 074037054 M10M09M09 000 36 02 12 -21.8 -25.5 28.38 13 20 83 294 121 072038054 M11M10M10 000 37 02 13 -22.4 -26.2 28.40 16 25 77 288 043 071045038 M13M13M13 000 38 02 14 -23.3 -26.5 28.39 15 25 79 290 018 075043038 M13M12M12 000 39 02 15 -23.1 -26.1 28.37 18 31 74 285 037 076045037 M13M12M12 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.