USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025080100 AMPS 8km 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 -35.0 -38.9 28.22 10 10 360 211 -002 068071072 M32M29M27 000 03 01 03 -40.0 -43.4 28.35 13 21 13 224 -027 070071082 M34M30M28 003 06 01 06 -40.6 -44.0 28.43 9 14 32 243 019 070057075 M32M30M30 001 09 01 09 -39.3 -42.4 28.53 8 9 38 249 004 072059051 M32M32M30 000 12 01 12 -38.0 -41.6 28.52 10 14 72 283 -023 070035045 M29M26M25 000 15 01 15 -36.7 -40.7 28.51 14 23 74 285 -028 067034042 M25M23M22 000 18 01 18 -33.4 -38.8 28.48 15 27 74 285 004 058020018 M22M20M20 000 21 01 21 -30.8 -35.6 28.44 14 24 61 272 017 063058064 M20M19M19 000 24 02 00 -26.9 -27.8 28.39 15 27 39 250 004 092084057 M18M18M19 003 27 02 03 -23.5 -25.2 28.35 12 21 51 262 025 086080083 M17M18M19 005 30 02 06 -20.2 -23.3 28.30 2 7 327 178 115 077067073 M18M18M19 015 33 02 09 -24.0 -25.9 28.26 9 11 77 287 -019 084084088 M19M19M20 004 36 02 12 -24.9 -26.4 28.24 11 21 40 251 -061 088088055 M18M19M19 005 39 02 15 -22.9 -24.2 28.25 10 16 52 263 -008 089092076 M18M18M18 005 42 02 18 -23.2 -25.6 28.24 12 20 65 276 -032 081085081 M16M16M17 024 45 02 21 -23.6 -25.8 28.25 11 21 56 267 -019 083084076 M16M16M18 015 48 03 00 -24.7 -25.4 28.26 11 20 56 267 -038 094083074 M15M16M18 002 51 03 03 -24.8 -25.8 28.27 13 25 54 265 -018 092059054 M17M18M19 003 54 03 06 -24.3 -26.7 28.21 10 20 22 233 060 081073048 M18M19M19 000 57 03 09 -23.3 -24.9 28.16 6 10 44 255 050 087071056 M18M18M19 000 60 03 12 -21.2 -24.3 28.11 3 5 85 296 -004 076065068 M17M18M19 000 63 03 15 -23.3 -26.7 28.07 5 8 302 152 -010 073056070 M18M18M19 000 66 03 18 -27.1 -29.8 28.12 4 8 302 153 020 078058044 M22M22M22 000 69 03 21 -27.6 -31.0 28.16 8 13 344 195 010 073038033 M23M22M21 000 72 04 00 -28.0 -30.9 28.21 7 11 8 219 -002 076040068 M24M23M23 000 75 04 03 -28.2 -31.2 28.23 7 8 44 255 002 075062078 M24M24M24 001 78 04 06 -29.5 -32.1 28.26 9 14 82 293 -002 078076081 M24M24M24 001 81 04 09 -29.2 -30.8 28.25 7 11 64 275 -016 086080081 M22M22M23 001 84 04 12 -30.0 -31.4 28.25 7 12 228 79 -025 088088074 M24M24M24 001 87 04 15 -32.0 -34.3 28.24 8 11 224 75 002 080085065 M24M22M21 002 90 04 18 -30.8 -32.7 28.24 9 14 238 89 008 083087070 M23M21M21 002 93 04 21 -31.1 -33.7 28.26 12 22 250 101 036 078077064 M24M21M20 002 96 05 00 -31.8 -34.6 28.28 12 20 245 96 035 076055054 M25M21M20 002 99 05 03 -30.9 -33.6 28.31 10 19 245 96 050 077058051 M23M21M21 001 102 05 06 -29.4 -31.6 28.34 14 23 233 84 041 081070051 M23M21M20 003 105 05 09 -29.7 -32.3 28.39 7 16 240 91 045 078062055 M24M22M21 003 108 05 12 -31.6 -34.8 28.41 9 16 243 94 002 073049045 M24M21M21 000 111 05 15 -32.3 -34.9 28.45 5 10 314 165 -006 077055044 M25M23M21 000 114 05 18 -35.5 -38.4 28.48 9 14 1 212 -001 075061041 M25M23M21 000 117 05 21 -37.0 -40.0 28.50 10 16 5 216 002 073063039 M26M23M21 000 120 06 00 -37.9 -40.9 28.52 9 14 16 227 011 073065041 M26M23M22 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.