USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025092800 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 28 00 -25.5 -29.3 28.72 10 10 31 242 -004 072055047 M23M21M19 000 03 28 03 -29.4 -32.7 28.74 10 16 62 273 034 073049044 M22M20M19 000 06 28 06 -29.4 -33.9 28.78 11 17 69 280 038 065050043 M20M19M18 000 09 28 09 -27.1 -32.2 28.77 8 11 90 301 -022 062045041 M17M17M16 000 12 28 12 -26.3 -31.9 28.75 9 13 131 342 -005 059035040 M16M15M15 000 15 28 15 -24.0 -28.8 28.72 10 17 143 354 025 064035035 M15M14M14 000 18 28 18 -24.6 -29.2 28.71 10 13 175 26 -009 066037072 M15M14M14 000 21 28 21 -23.4 -28.7 28.71 7 9 174 25 005 062074076 M16M14M13 000 24 29 00 -20.7 -25.7 28.71 4 5 121 332 004 064072064 M15M13M13 000 27 29 03 -19.0 -22.7 28.71 2 3 187 38 009 073064052 M15M13M13 000 30 29 06 -22.0 -25.4 28.73 5 5 143 354 -001 074048042 M15M12M11 000 33 29 09 -24.1 -28.1 28.74 8 11 94 305 013 069044049 M15M12M11 000 36 29 12 -23.3 -26.1 28.73 11 20 71 282 023 078040035 M15M12M11 000 39 29 15 -25.3 -28.6 28.78 18 32 65 276 023 074036028 M15M11M10 000 42 29 18 -24.9 -28.6 28.82 18 31 74 285 -015 072035026 M15M11M10 000 45 29 21 -23.9 -27.6 28.83 17 29 85 296 -055 071031026 M13M11M12 000 48 30 00 -23.5 -27.5 28.80 16 28 84 295 -042 070029025 M12M11M11 000 51 30 03 -22.8 -26.0 28.77 17 30 81 292 -011 075036045 M15M12M11 000 54 30 06 -23.5 -26.2 28.74 16 29 73 284 -044 079033040 M15M12M12 000 57 30 09 -24.8 -27.4 28.71 15 26 68 279 -035 079031033 M13M12M12 000 60 30 12 -25.2 -28.1 28.68 14 24 71 282 017 077032034 M12M11M11 000 63 30 15 -25.1 -28.4 28.67 14 24 70 281 016 074029036 M12M11M11 000 66 30 18 -23.4 -27.3 28.67 12 20 56 267 008 071030036 M12M11M11 000 69 30 21 -22.7 -26.6 28.66 11 17 34 245 009 071032027 M12M11M11 000 72 01 00 -22.8 -26.1 28.69 8 10 52 263 025 075047032 M14M13M13 000 75 01 03 -23.5 -25.9 28.71 8 12 30 241 016 081052034 M14M13M13 000 78 01 06 -23.6 -25.3 28.73 6 9 34 245 005 086055038 M15M13M13 000 81 01 09 -23.1 -24.8 28.76 6 7 45 256 -002 086063042 M15M14M13 000 84 01 12 -21.2 -23.4 28.76 3 3 89 300 -002 083066045 M15M14M14 000 87 01 15 -21.9 -24.6 28.77 6 7 51 262 -003 078065046 M15M14M14 000 90 01 18 -21.1 -24.0 28.78 3 5 6 217 -004 078064049 M16M14M14 000 93 01 21 -20.5 -22.9 28.78 2 3 6 217 008 081066052 M16M15M14 000 96 02 00 -22.3 -24.3 28.79 4 5 348 199 -000 084063050 M18M16M14 000 99 02 03 -22.8 -25.1 28.81 6 9 344 195 -002 082065046 M18M16M15 000 102 02 06 -22.7 -25.1 28.84 7 11 343 194 -005 080057043 M17M16M16 000 105 02 09 -24.4 -26.5 28.86 9 14 1 212 008 083062037 M18M17M16 000 108 02 12 -26.7 -28.4 28.89 10 16 10 221 009 086068077 M19M17M17 000 111 02 15 -27.2 -28.7 28.93 10 17 17 228 015 087082069 M19M18M17 000 114 02 18 -25.8 -27.5 28.96 10 16 23 234 013 086084061 M18M18M18 000 117 02 21 -24.5 -26.4 28.97 9 15 28 239 044 085068058 M18M18M18 000 120 03 00 -23.7 -25.6 28.97 9 13 32 243 031 084057051 M17M17M18 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.