USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026042812 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 12 -33.5 -35.7 28.36 18 20 33 243 -027 071077059 M33M32M33 000 01 28 13 -34.6 -37.9 28.38 16 29 42 253 042 072076059 M31M32M33 002 02 28 14 -34.4 -37.5 28.39 18 29 44 255 049 073076062 M32M32M33 003 03 28 15 -34.7 -37.9 28.39 17 28 50 261 068 073075060 M32M32M33 003 04 28 16 -35.6 -38.8 28.41 16 27 58 269 107 072073053 M32M33M33 002 05 28 17 -36.2 -39.5 28.41 18 31 67 278 131 071074049 M32M33M33 002 06 28 18 -36.3 -39.5 28.34 19 34 76 287 104 072073046 M31M32M32 002 07 28 19 -35.8 -38.9 28.32 18 30 87 298 075 073072044 M30M31M31 001 08 28 20 -35.5 -38.5 28.26 18 30 96 307 073 074068044 M28M29M30 000 09 28 21 -34.3 -37.7 28.20 19 35 99 310 -004 072057044 M27M28M28 000 10 28 22 -31.6 -35.9 28.16 21 37 103 314 005 066047059 M26M26M26 000 11 28 23 -30.0 -35.9 28.09 21 37 101 312 018 057029050 M24M24M24 000 12 29 00 -29.6 -36.0 28.01 22 38 103 314 -024 054048048 M22M21M21 000 13 29 01 -28.7 -33.4 27.95 21 38 99 310 -020 064081062 M20M20M20 000 14 29 02 -27.3 -29.9 27.87 21 41 77 288 -140 078093081 M19M18M18 014 15 29 03 -25.3 -27.7 27.85 26 49 59 270 -368 080086069 M19M18M19 023 16 29 04 -24.5 -26.2 27.80 27 48 57 268 -381 085077065 M21M21M22 010 17 29 05 -26.4 -29.4 27.79 36 52 34 245 -468 076083066 M27M28M29 001 18 29 06 -31.2 -34.2 27.78 37 53 31 242 -521 075081073 M33M31M27 005 19 29 07 -34.7 -38.1 27.80 36 50 26 237 -435 071076074 M36M33M28 006 20 29 08 -36.2 -39.7 27.87 34 48 23 234 -330 070071069 M37M35M30 005 21 29 09 -37.5 -41.1 27.93 33 46 14 225 -411 069070065 M39M35M30 006 22 29 10 -38.3 -41.9 28.00 32 54 12 223 -455 069072069 M37M32M30 008 23 29 11 -37.3 -40.9 28.05 31 54 12 223 -497 069073069 M36M32M30 007 24 29 12 -36.0 -39.4 28.11 30 48 21 232 -447 071076065 M35M33M31 005 25 29 13 -34.6 -37.9 28.17 30 45 19 230 -392 072074065 M34M33M32 005 26 29 14 -33.6 -36.9 28.22 28 42 20 231 -355 073072065 M33M33M32 006 27 29 15 -33.7 -36.9 28.24 28 42 19 230 -325 073073063 M34M33M32 006 28 29 16 -33.6 -36.8 28.29 28 42 18 229 -304 073072060 M33M33M33 006 29 29 17 -33.6 -36.8 28.33 29 43 18 229 -322 073072057 M33M33M33 005 30 29 18 -33.8 -37.0 28.36 29 43 15 226 -302 073072063 M34M33M32 004 31 29 19 -34.0 -37.3 28.39 27 40 14 225 -178 072072066 M34M32M31 004 32 29 20 -34.6 -37.9 28.45 25 37 13 224 -062 072072066 M34M32M31 003 33 29 21 -34.7 -38.0 28.50 24 38 13 223 -066 072073067 M32M31M31 002 34 29 22 -34.2 -37.6 28.55 23 37 12 223 -106 072075072 M32M30M30 004 35 29 23 -33.5 -36.8 28.60 22 36 9 220 -105 072075072 M32M30M30 007 36 30 00 -33.1 -36.3 28.65 21 33 8 219 -103 073074072 M32M30M30 009 37 30 01 -32.9 -36.1 28.70 22 33 5 216 -098 073072071 M31M30M30 006 38 30 02 -32.8 -36.0 28.74 22 33 0 211 -064 074071069 M31M29M29 003 39 30 03 -33.1 -36.2 28.78 21 32 1 212 -041 074071063 M31M29M29 002 * 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.