USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025092112 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 21 12 -24.4 -28.1 28.87 9 11 343 194 000 077070074 M23M22M21 000 03 21 15 -30.1 -32.5 28.95 9 16 12 223 -004 080079084 M25M23M23 002 06 21 18 -30.2 -32.8 28.94 8 15 24 235 -014 078079082 M25M24M23 005 09 21 21 -30.0 -32.5 28.95 7 12 39 250 -002 079078081 M25M24M24 001 12 22 00 -29.6 -31.8 28.91 6 8 68 279 003 082080078 M24M24M24 001 15 22 03 -30.8 -32.9 28.89 8 11 81 292 -003 082080070 M24M24M24 001 18 22 06 -30.6 -32.2 28.85 8 12 90 301 -009 086076074 M23M23M23 000 21 22 09 -30.8 -32.4 28.81 9 14 102 313 -006 086075072 M22M22M22 000 24 22 12 -31.2 -33.7 28.74 9 15 97 308 -012 079066067 M22M22M22 000 27 22 15 -30.7 -34.0 28.70 9 14 100 311 -009 073051061 M22M21M21 000 30 22 18 -29.8 -33.8 28.64 8 12 101 312 -010 069041054 M21M21M21 000 33 22 21 -28.3 -32.3 28.58 7 9 106 317 -008 068042049 M21M21M21 000 36 23 00 -27.0 -30.9 28.52 5 5 105 316 -007 070047046 M20M20M21 000 39 23 03 -26.2 -29.5 28.46 4 4 130 341 002 074050043 M21M20M21 000 42 23 06 -27.4 -30.3 28.43 4 4 112 323 -005 077048042 M21M20M21 000 45 23 09 -27.0 -30.9 28.39 3 4 90 301 -009 069046042 M20M20M20 000 48 23 12 -26.9 -31.5 28.37 4 6 39 250 -007 066044039 M20M20M20 000 51 23 15 -27.3 -31.7 28.37 4 7 360 211 -008 066042039 M20M20M20 000 54 23 18 -27.4 -31.9 28.40 4 7 31 242 -006 066041036 M20M20M20 000 57 23 21 -27.5 -32.9 28.42 6 8 53 264 -009 060037034 M20M19M19 000 60 24 00 -27.4 -32.5 28.46 7 9 70 281 -002 062036054 M19M18M18 000 63 24 03 -26.1 -30.8 28.51 7 9 82 293 -001 065049080 M17M17M18 000 66 24 06 -26.0 -30.4 28.57 8 11 85 296 -010 066056083 M16M16M17 000 69 24 09 -25.4 -29.2 28.61 8 12 71 282 -004 071069073 M15M15M16 000 72 24 12 -22.1 -25.6 28.65 7 8 72 283 -005 074066066 M15M15M16 000 75 24 15 -19.8 -23.4 28.70 4 4 88 299 -005 073065060 M14M15M16 000 78 24 18 -19.5 -22.8 28.74 3 4 169 20 006 075063059 M14M15M16 000 81 24 21 -20.7 -24.2 28.75 5 5 193 44 -008 073057056 M14M15M15 000 84 25 00 -22.3 -25.8 28.75 6 8 219 70 -001 074048058 M15M15M15 000 87 25 03 -23.5 -27.5 28.76 7 11 243 94 003 070043058 M16M15M15 000 90 25 06 -24.7 -28.9 28.76 7 12 256 107 001 068043058 M16M16M16 000 93 25 09 -25.3 -30.0 28.75 6 13 289 140 -002 065044059 M17M16M16 000 96 25 12 -25.7 -30.3 28.76 7 13 309 160 005 066046060 M18M17M17 000 99 25 15 -26.6 -30.5 28.79 8 15 327 178 -003 070051066 M18M17M17 000 102 25 18 -27.2 -30.9 28.80 8 15 334 185 -001 070045070 M19M18M18 000 105 25 21 -27.2 -30.7 28.81 9 15 337 188 -001 073037062 M21M19M18 000 108 26 00 -28.0 -31.0 28.83 9 15 348 199 009 075038038 M22M19M19 000 111 26 03 -29.7 -32.6 28.86 10 17 7 218 -007 076044029 M23M20M19 000 114 26 06 -30.9 -33.7 28.88 10 17 24 235 006 076045028 M23M20M20 000 117 26 09 -30.2 -33.2 28.89 10 17 42 253 -005 075042031 M22M20M20 000 120 26 12 -30.5 -33.5 28.86 10 17 58 269 -004 075037036 M21M19M19 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.