USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025080100 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 01 00 -35.2 -38.5 28.19 10 10 359 210 -012 067076074 M32M29M27 000 01 01 01 -37.9 -41.3 28.21 12 17 13 224 017 070071076 M31M28M26 002 02 01 02 -39.2 -42.6 28.29 13 19 11 222 022 070069081 M31M28M26 000 03 01 03 -40.0 -43.4 28.32 15 22 11 222 -011 070070083 M32M28M27 000 04 01 04 -40.4 -43.8 28.38 13 19 12 223 -004 069066081 M32M28M28 001 05 01 05 -40.1 -43.4 28.37 13 18 16 227 035 071062080 M31M28M29 000 06 01 06 -40.4 -43.8 28.41 11 15 25 236 040 070058075 M31M30M30 000 07 01 07 -40.1 -43.3 28.44 10 13 24 235 037 071063062 M31M31M31 000 08 01 08 -39.3 -42.4 28.46 8 9 32 243 034 072062055 M31M31M30 000 09 01 09 -39.4 -42.5 28.50 9 10 32 243 003 073059053 M31M32M30 000 10 01 10 -38.6 -41.8 28.51 8 9 56 267 -023 072047045 M31M29M27 000 11 01 11 -38.1 -41.4 28.49 9 10 71 282 -046 071035045 M29M27M25 000 12 01 12 -37.7 -41.3 28.49 12 16 64 275 -030 069033047 M27M26M25 000 13 01 13 -37.6 -41.1 28.50 13 20 67 278 -033 069034045 M26M24M24 000 14 01 14 -36.9 -40.7 28.47 14 21 66 277 -070 068033044 M24M23M23 000 15 01 15 -36.5 -40.5 28.48 16 24 67 278 -048 066035043 M24M23M22 000 16 01 16 -35.3 -39.9 28.48 16 25 73 284 -001 062034022 M23M21M21 000 17 01 17 -33.9 -39.4 28.46 17 27 71 282 044 058025016 M22M20M20 000 18 01 18 -33.2 -38.7 28.46 17 28 68 279 068 058018018 M22M20M19 000 19 01 19 -32.0 -38.1 28.44 17 28 68 279 082 055017034 M21M19M19 000 20 01 20 -31.1 -38.2 28.42 16 27 61 272 009 050028058 M20M19M19 000 21 01 21 -30.5 -35.1 28.42 17 28 51 262 015 064052060 M19M18M18 000 22 01 22 -28.2 -29.8 28.43 15 25 43 254 -010 086091058 M19M20M20 000 23 01 23 -27.2 -28.4 28.39 17 28 36 247 028 090089053 M19M19M19 001 24 02 00 -26.1 -27.0 28.37 20 32 29 240 018 093081052 M18M19M19 001 25 02 01 -24.2 -25.2 28.35 21 33 25 236 062 091075058 M17M18M18 001 26 02 02 -23.6 -24.7 28.37 15 24 40 251 143 090086077 M17M19M20 001 27 02 03 -23.5 -25.1 28.35 11 18 54 265 008 086084088 M17M19M20 004 28 02 04 -23.1 -25.3 28.34 11 18 52 263 -007 083079085 M18M19M20 008 29 02 05 -21.5 -24.2 28.33 5 11 47 258 -012 079068074 M18M19M20 007 30 02 06 -19.7 -23.1 28.29 2 6 277 128 164 075065075 M18M19M19 001 31 02 07 -19.8 -23.3 28.24 5 11 175 26 027 074067088 M16M18M19 001 32 02 08 -23.9 -25.9 28.24 11 15 109 320 022 083075086 M18M19M20 001 33 02 09 -23.6 -25.5 28.25 10 12 74 285 -021 085085085 M19M19M20 002 34 02 10 -24.2 -25.9 28.23 10 15 62 273 027 085085076 M19M19M20 004 35 02 11 -24.5 -26.0 28.23 12 19 54 265 016 088087070 M19M19M20 001 36 02 12 -24.8 -26.2 28.23 12 20 38 249 -064 088086054 M19M19M19 000 37 02 13 -23.3 -24.4 28.22 11 22 20 231 -005 091083063 M19M18M18 001 38 02 14 -23.1 -23.8 28.22 11 17 29 240 010 094073082 M18M17M18 001 39 02 15 -22.7 -24.0 28.23 11 17 49 259 -000 090092080 M18M18M18 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.