USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026101500 WRF 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 15 00 -14.8 -17.7 28.79 10 11 15 226 -003 084044033 M14M14M13 000 03 15 03 -17.5 -21.2 28.81 7 11 17 228 -001 073032042 M13M12M12 000 06 15 06 -17.2 -23.7 28.84 4 5 31 242 -036 057036045 M13M13M13 000 09 15 09 -17.8 -24.7 28.85 5 5 59 270 007 055037045 M13M13M13 000 12 15 12 -16.3 -25.1 28.85 1 2 118 329 -027 047037048 M12M12M13 000 15 15 15 -19.7 -25.5 28.87 6 8 152 3 004 060037054 M13M13M13 000 18 15 18 -17.6 -19.2 28.85 4 5 116 327 008 088049057 M13M12M12 000 21 15 21 -18.0 -19.8 28.84 8 12 176 27 015 086059061 M14M12M12 000 24 16 00 -18.2 -18.9 28.80 6 8 169 20 -007 094080057 M13M12M12 000 27 16 03 -18.3 -18.9 28.75 5 6 171 22 -013 096065045 M13M12M12 000 30 16 06 -20.3 -21.0 28.73 6 7 163 14 -004 095054041 M14M12M12 001 33 16 09 -20.9 -21.9 28.67 7 8 127 338 -001 092037037 M13M12M12 000 36 16 12 -20.5 -24.3 28.60 7 9 98 309 -023 071037041 M12M12M12 000 39 16 15 -20.7 -24.9 28.57 8 12 83 294 -006 069035031 M12M12M12 000 42 16 18 -19.6 -24.0 28.52 9 14 72 283 000 069032036 M11M11M10 000 45 16 21 -18.0 -22.2 28.47 8 13 77 288 006 070036040 M10M10M10 000 48 17 00 -18.5 -22.2 28.42 10 16 64 275 -016 073036042 M10M09M09 000 51 17 03 -18.5 -22.2 28.40 13 21 74 284 025 073035038 M10M08M08 000 54 17 06 -18.3 -20.9 28.36 14 26 75 286 008 080032040 M10M08M08 000 57 17 09 -18.4 -21.7 28.31 14 24 87 298 013 075030037 M08M08M08 000 60 17 12 -18.8 -22.7 28.26 13 23 89 300 026 072036042 M08M07M08 000 63 17 15 -18.2 -22.0 28.23 12 21 89 300 015 072039043 M09M09M09 000 66 17 18 -17.3 -21.0 28.19 12 21 77 288 016 073040052 M10M09M10 000 69 17 21 -16.2 -19.4 28.18 15 25 74 285 004 076037045 M10M08M08 000 72 18 00 -16.5 -19.8 28.20 18 29 75 286 001 076035040 M10M07M08 000 75 18 03 -15.7 -18.5 28.22 18 30 76 287 -048 079036032 M11M09M08 000 78 18 06 -15.8 -18.4 28.25 21 33 72 283 -098 081047041 M11M09M09 000 81 18 09 -17.0 -19.5 28.29 19 32 71 282 -154 081056047 M10M09M10 000 84 18 12 -17.8 -20.4 28.31 18 30 74 285 -137 080061047 M09M09M10 000 87 18 15 -17.7 -20.7 28.33 16 27 78 289 -075 078041040 M09M09M10 000 90 18 18 -16.9 -20.0 28.31 15 25 81 292 -014 077035038 M09M09M10 000 93 18 21 -15.6 -19.3 28.29 12 20 84 295 -005 073030036 M08M09M10 000 96 19 00 -15.0 -18.6 28.25 11 19 89 300 012 074039041 M09M09M10 000 99 19 03 -16.3 -19.7 28.22 10 17 78 289 023 075040042 M10M09M09 000 102 19 06 -17.9 -21.6 28.21 9 13 79 290 -066 073041046 M10M10M11 000 105 19 09 -18.8 -21.9 28.22 7 11 72 283 025 077042043 M11M11M11 000 108 19 12 -20.0 -22.7 28.24 8 12 55 266 010 079044042 M12M11M10 000 111 19 15 -20.2 -23.0 28.30 9 13 28 239 -010 079044046 M12M11M11 000 114 19 18 -19.4 -22.4 28.38 9 16 26 237 -007 077045049 M12M11M12 000 117 19 21 -17.8 -21.0 28.46 8 13 25 236 -013 076043043 M12M11M11 000 120 20 00 -16.8 -20.3 28.53 7 10 15 226 -007 075046038 M11M11M11 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.