USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025073000 AMPS 2p67km 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 -31.6 -37.6 28.48 5 5 191 42 006 058035046 M28M24M23 000 01 30 01 -34.4 -40.2 28.46 6 7 157 8 -016 056034050 M25M22M22 000 02 30 02 -34.0 -39.5 28.42 7 10 152 3 001 058044057 M25M22M21 000 03 30 03 -33.9 -38.4 28.45 8 11 131 342 -015 064053062 M25M22M22 000 04 30 04 -34.2 -37.5 28.39 8 11 110 321 -017 072058063 M25M23M22 000 05 30 05 -33.9 -36.8 28.39 7 10 109 320 -051 075060062 M26M24M22 000 06 30 06 -33.2 -36.0 28.37 7 9 81 292 -013 076055057 M25M22M21 000 07 30 07 -31.0 -34.3 28.35 4 5 61 272 -014 073054053 M23M22M21 000 08 30 08 -30.1 -33.6 28.33 2 3 104 315 -000 072055051 M24M22M21 000 09 30 09 -30.5 -33.7 28.33 4 6 149 360 013 073056050 M25M23M22 000 10 30 10 -33.7 -36.0 28.29 7 10 122 333 -006 079057047 M25M23M21 000 11 30 11 -35.2 -37.7 28.26 10 14 93 304 011 078055046 M24M22M21 000 12 30 12 -34.3 -36.9 28.24 12 18 74 285 019 077054048 M23M21M20 000 13 30 13 -33.5 -36.3 28.25 12 19 66 277 021 076055048 M23M21M20 000 14 30 14 -33.6 -36.4 28.20 13 20 66 277 037 076056044 M23M21M20 000 15 30 15 -33.3 -36.2 28.21 14 22 64 275 047 075057043 M23M21M20 000 16 30 16 -33.5 -36.4 28.19 14 21 64 275 033 075058043 M23M21M20 000 17 30 17 -33.4 -36.0 28.17 12 18 64 275 055 077059044 M23M22M21 000 18 30 18 -33.5 -35.8 28.15 10 14 75 286 -001 080063046 M24M22M22 000 19 30 19 -33.3 -35.2 28.13 9 13 83 294 -025 083068038 M24M23M23 000 20 30 20 -33.4 -35.1 28.10 9 12 88 299 016 084068026 M24M24M23 000 21 30 21 -33.2 -35.0 28.09 8 11 77 288 032 084068023 M24M23M23 000 22 30 22 -32.6 -34.4 28.07 7 9 51 262 -039 084066021 M24M23M23 000 23 30 23 -32.1 -33.9 28.03 7 8 26 237 -020 084072020 M25M24M24 000 24 31 00 -35.1 -37.4 28.05 9 11 38 249 015 080075021 M26M25M24 000 25 31 01 -36.4 -39.0 28.03 9 10 53 264 -004 077073023 M25M24M24 000 26 31 02 -36.3 -39.3 28.03 10 12 56 267 -016 074070028 M25M24M24 000 27 31 03 -36.4 -39.9 28.02 10 12 54 265 -009 070065036 M25M24M24 000 28 31 04 -36.0 -39.7 28.02 9 10 46 257 -026 068058041 M25M24M24 000 29 31 05 -33.9 -38.5 28.02 7 7 34 245 -051 064054040 M25M24M24 000 30 31 06 -35.9 -39.9 28.01 7 8 49 260 039 067052051 M26M25M24 000 31 31 07 -34.5 -38.8 28.01 5 5 56 267 031 065045038 M27M24M23 000 32 31 08 -34.5 -38.9 28.00 4 4 50 261 011 064041039 M27M24M22 000 33 31 09 -33.7 -38.4 28.00 3 3 50 261 -001 062035041 M27M23M21 000 34 31 10 -32.8 -38.1 27.99 3 3 67 278 -023 059035041 M25M23M21 000 35 31 11 -32.3 -38.1 27.99 3 4 124 335 -026 057039046 M25M23M22 000 36 31 12 -33.0 -38.4 27.97 5 6 110 321 -017 059047050 M25M23M22 000 37 31 13 -33.5 -38.2 27.98 5 7 127 338 004 063054051 M26M24M22 000 38 31 14 -31.9 -36.5 27.97 7 9 79 290 -006 064054057 M25M23M22 000 39 31 15 -31.1 -35.5 27.97 5 6 95 306 -037 065056063 M25M24M23 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.