USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025073000 AMPS 24km 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 30 00 -31.1 -37.3 28.54 5 5 197 48 -001 060038045 M28M24M22 000 03 30 03 -34.1 -38.5 28.52 5 6 145 356 -009 065053057 M27M25M23 000 06 30 06 -34.2 -37.0 28.44 5 6 85 296 002 076057055 M27M24M22 000 09 30 09 -32.3 -35.1 28.40 4 4 136 347 -007 076059050 M27M24M23 000 12 30 12 -35.9 -38.5 28.31 8 13 83 294 011 077059048 M26M24M22 000 15 30 15 -35.1 -37.9 28.28 9 15 72 283 003 075063048 M26M24M22 000 18 30 18 -34.8 -37.1 28.22 7 10 94 305 -010 079068050 M26M24M23 000 21 30 21 -34.3 -36.3 28.16 6 9 90 301 -005 083070029 M27M25M24 000 24 31 00 -36.7 -38.9 28.12 6 9 53 264 -008 080075027 M29M26M24 000 27 31 03 -37.8 -41.2 28.10 8 11 63 274 -007 070066042 M28M26M25 000 30 31 06 -38.1 -41.5 28.09 6 6 65 276 -004 070054045 M29M26M24 000 33 31 09 -36.2 -40.2 28.07 4 5 57 268 -004 067044040 M29M25M23 000 36 31 12 -34.5 -39.0 28.05 2 4 137 348 -007 064049050 M30M25M23 000 39 31 15 -32.9 -37.0 28.05 2 3 179 30 008 067055059 M29M26M24 000 42 31 18 -32.8 -36.8 28.06 2 3 338 189 -001 067057066 M30M26M24 001 45 31 21 -35.4 -38.9 28.09 7 11 344 195 007 070061068 M31M27M24 000 48 01 00 -37.3 -40.6 28.15 8 13 352 203 -014 071070072 M32M29M26 001 51 01 03 -39.1 -42.5 28.25 11 20 18 229 -006 070076073 M33M30M28 001 54 01 06 -39.0 -42.4 28.33 14 25 12 223 012 070071067 M33M29M27 001 57 01 09 -38.9 -42.3 28.44 13 24 21 232 -008 071065068 M33M31M28 001 60 01 12 -38.8 -41.8 28.50 10 19 56 267 -012 073058064 M31M29M28 000 63 01 15 -38.4 -41.6 28.53 12 19 73 284 -015 072051058 M28M26M26 000 66 01 18 -36.3 -39.7 28.52 14 25 80 291 007 071044039 M24M22M22 000 69 01 21 -33.7 -37.4 28.46 16 28 85 296 001 069028035 M20M18M18 000 72 02 00 -28.6 -33.9 28.34 17 30 94 305 001 060018020 M18M17M17 000 75 02 03 -25.6 -29.6 28.20 17 30 91 302 -051 070055056 M17M17M18 000 78 02 06 -26.2 -28.8 28.11 13 24 84 295 078 078073074 M20M20M20 001 81 02 09 -29.6 -32.1 28.06 13 22 69 280 -018 079069067 M20M20M20 000 84 02 12 -26.9 -28.5 28.07 13 29 41 252 003 086075080 M19M18M18 002 87 02 15 -27.7 -29.4 28.08 12 27 64 275 021 085073076 M18M17M18 000 90 02 18 -27.9 -28.9 28.06 10 17 76 287 003 092071081 M17M16M17 000 93 02 21 -25.7 -26.8 28.04 8 11 79 290 -010 091068089 M17M16M17 000 96 03 00 -24.3 -26.5 28.07 10 17 21 232 004 082069082 M18M19M20 001 99 03 03 -27.1 -29.5 28.16 14 26 18 229 035 080068067 M23M22M21 001 102 03 06 -27.9 -30.5 28.28 23 39 2 213 028 079080060 M27M26M25 007 105 03 09 -27.9 -30.7 28.39 25 41 1 212 035 077077066 M28M29M28 017 108 03 12 -28.3 -31.0 28.49 19 31 21 231 030 077076066 M28M28M28 007 111 03 15 -28.1 -30.6 28.55 18 31 39 250 013 079079060 M27M28M27 004 114 03 18 -29.4 -32.0 28.57 15 30 42 253 018 079077061 M26M26M27 003 117 03 21 -28.2 -30.7 28.57 10 18 42 253 056 079074058 M25M26M25 003 120 04 00 -29.1 -31.7 28.58 6 7 84 295 018 078081067 M27M27M27 005 * 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.