USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025121900 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 19 00 -14.9 -18.8 28.65 13 12 178 29 001 075042024 M14M14M13 000 03 19 03 -15.0 -17.0 28.64 12 15 194 45 023 084040028 M14M14M13 000 06 19 06 -15.9 -17.2 28.64 10 14 200 51 009 090048030 M14M14M13 000 09 19 09 -16.8 -18.2 28.65 8 13 210 61 009 089052034 M14M13M13 000 12 19 12 -17.0 -18.3 28.64 9 15 211 62 013 090055028 M13M13M13 000 15 19 15 -15.9 -17.2 28.67 8 13 215 66 017 090051027 M13M13M13 000 18 19 18 -14.2 -15.8 28.70 8 14 219 70 020 088040025 M12M12M12 000 21 19 21 -12.8 -14.8 28.70 10 14 221 72 018 085036025 M12M12M12 000 24 20 00 -12.0 -14.7 28.72 10 15 229 80 019 080030031 M11M11M12 000 27 20 03 -12.5 -14.9 28.77 11 17 248 99 020 082042027 M12M12M12 000 30 20 06 -13.7 -14.0 28.78 12 18 248 99 033 098044025 M13M13M13 000 33 20 09 -13.3 -13.6 28.84 16 25 240 91 002 097064028 M13M14M14 002 36 20 12 -14.3 -15.0 28.87 17 24 233 84 -090 095073031 M14M13M14 000 39 20 15 -13.9 -15.0 28.95 17 26 234 85 -082 092066036 M14M14M14 000 42 20 18 -12.8 -14.7 29.03 18 31 237 88 -112 085047038 M13M12M13 000 45 20 21 -11.5 -14.3 29.09 15 26 242 93 -073 079039039 M12M12M13 000 48 21 00 -10.5 -13.7 29.12 12 18 251 102 -013 077042037 M11M12M13 000 51 21 03 -10.8 -12.9 29.16 8 11 263 114 003 085035036 M11M11M13 000 54 21 06 -12.0 -14.5 29.17 6 10 263 114 013 082033031 M11M11M12 000 57 21 09 -13.0 -14.4 29.17 6 10 269 120 006 090083031 M11M12M12 000 60 21 12 -12.9 -13.8 29.16 6 11 279 130 004 093090048 M11M12M13 000 63 21 15 -11.8 -12.7 29.17 6 10 280 131 001 094089057 M11M12M13 000 66 21 18 -10.0 -11.0 29.16 6 9 269 120 -004 092091065 M11M12M13 002 69 21 21 -9.1 -10.5 29.14 8 10 251 102 000 090093058 M11M12M13 002 72 22 00 -8.7 -10.1 29.12 8 10 253 104 -004 089090086 M10M12M13 009 75 22 03 -8.8 -10.1 29.11 8 10 261 112 007 090090085 M11M12M13 014 78 22 06 -9.6 -10.8 29.10 7 11 268 119 004 091089085 M11M12M13 008 81 22 09 -10.4 -11.7 29.08 7 11 259 110 009 091089086 M11M12M13 019 84 22 12 -11.9 -12.9 29.05 6 8 226 77 005 092087060 M12M12M13 011 87 22 15 -13.0 -13.2 29.05 5 5 208 59 004 099050059 M13M13M14 000 90 22 18 -12.0 -13.2 29.05 8 11 202 53 005 091059049 M13M14M14 000 93 22 21 -11.6 -13.0 29.03 11 13 199 50 009 089079047 M13M15M15 000 96 23 00 -11.4 -13.2 29.02 11 13 196 47 -001 087094044 M13M15M16 000 99 23 03 -11.3 -13.1 29.02 11 13 195 46 -002 087091043 M13M14M16 001 102 23 06 -11.8 -12.8 29.01 8 11 191 42 -003 093082044 M13M14M15 000 105 23 09 -12.9 -13.6 29.01 7 10 196 47 -007 095088054 M13M14M15 000 108 23 12 -13.7 -14.7 28.99 6 9 190 41 000 092090052 M13M14M15 001 111 23 15 -12.7 -13.1 29.00 6 8 166 17 -010 097079053 M13M13M14 000 114 23 18 -11.5 -11.9 29.00 6 6 160 11 -006 097069063 M11M12M13 000 117 23 21 -10.0 -11.2 29.00 7 8 171 22 -007 091056044 M11M12M13 000 120 24 00 -9.5 -11.2 29.01 7 7 150 1 -003 087042043 M11M11M12 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.