USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026042800 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 28 00 -31.6 -35.9 28.23 10 13 23 234 -015 060053055 M30M28M28 000 01 28 01 -35.9 -39.2 28.23 12 18 43 254 -085 072052045 M30M29M28 000 02 28 02 -35.9 -39.3 28.24 16 25 30 241 -112 071050042 M31M30M28 000 03 28 03 -35.6 -39.1 28.22 21 33 19 230 -214 070055036 M31M31M29 000 04 28 04 -35.8 -39.3 28.22 24 37 21 232 -236 071068033 M32M32M30 000 05 28 05 -35.7 -39.1 28.25 24 39 22 233 -195 071072033 M31M32M31 000 06 28 06 -36.0 -39.2 28.28 21 36 21 232 161 073075043 M31M32M32 000 07 28 07 -36.3 -39.4 28.31 20 35 26 237 -021 073075047 M31M32M33 001 08 28 08 -36.2 -39.3 28.32 19 33 29 240 -023 073076050 M31M32M33 002 09 28 09 -35.7 -38.9 28.34 19 32 32 243 -005 073075060 M31M32M33 002 10 28 10 -35.4 -38.6 28.35 18 32 35 246 -010 073075064 M31M32M33 003 11 28 11 -35.2 -38.4 28.38 18 31 38 249 026 073075061 M31M32M33 003 12 28 12 -34.8 -38.0 28.40 17 29 43 254 021 073076062 M31M32M33 003 13 28 13 -34.8 -38.0 28.41 17 29 43 254 017 073076064 M31M32M33 003 14 28 14 -35.5 -38.7 28.42 15 27 46 257 028 072074061 M32M32M33 003 15 28 15 -36.2 -39.4 28.43 15 25 53 264 105 073072055 M32M32M33 002 16 28 16 -36.5 -39.5 28.43 16 25 57 268 138 074069048 M32M32M33 001 17 28 17 -36.7 -39.7 28.40 16 25 63 274 114 074065046 M31M32M32 001 18 28 18 -36.8 -39.8 28.37 16 24 76 287 057 074070048 M30M31M32 000 19 28 19 -36.5 -39.5 28.33 17 27 88 299 003 073075049 M30M30M31 001 20 28 20 -36.1 -39.3 28.28 18 31 96 307 -007 072069045 M28M29M30 000 21 28 21 -34.8 -38.7 28.24 18 32 100 311 -012 067044041 M28M28M29 000 22 28 22 -33.9 -37.9 28.19 20 35 101 312 -030 067040043 M27M27M27 000 23 28 23 -32.5 -37.3 28.12 19 34 105 316 -019 063040052 M26M25M25 000 24 29 00 -30.6 -36.0 28.06 20 34 109 320 008 059043070 M24M23M23 000 25 29 01 -30.6 -35.8 28.00 18 34 111 322 -010 061049059 M22M22M22 000 26 29 02 -29.6 -33.5 27.95 20 34 98 309 -058 069077064 M20M20M21 000 27 29 03 -27.7 -30.3 27.89 21 42 80 291 -105 079086073 M21M18M18 013 28 29 04 -25.5 -27.8 27.85 24 47 63 274 -224 081081079 M18M18M20 032 29 29 05 -25.1 -27.3 27.82 27 48 50 261 -303 082070061 M23M23M24 006 30 29 06 -26.7 -29.6 27.81 32 48 35 246 -312 077081074 M26M27M27 001 31 29 07 -28.0 -30.8 27.79 34 50 38 249 -371 078082075 M28M29M30 008 32 29 08 -29.8 -32.7 27.79 38 53 30 241 -449 075081068 M31M32M33 009 33 29 09 -32.8 -36.1 27.81 37 50 27 238 -424 072071074 M34M35M32 008 34 29 10 -35.3 -38.9 27.83 36 49 27 238 -395 070070071 M37M36M31 007 35 29 11 -37.3 -40.9 27.88 34 47 18 229 -367 069071068 M39M35M30 010 36 29 12 -37.9 -41.6 27.94 34 47 13 224 -368 069071067 M39M36M30 007 37 29 13 -38.1 -41.7 28.01 33 49 12 222 -463 069070065 M38M34M31 006 38 29 14 -38.0 -41.6 28.08 31 45 11 222 -424 069070063 M38M32M29 003 39 29 15 -37.5 -41.0 28.13 31 44 9 220 -477 069071059 M37M32M29 003 * 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.