USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025122300 WRF 2.67-km 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 23 00 -14.2 -18.0 29.04 4 6 66 277 -005 076055036 M15M15M16 000 01 23 01 -14.1 -17.3 29.05 3 4 83 294 -013 077052036 M15M15M16 000 02 23 02 -14.1 -16.9 29.05 3 4 108 319 000 079050040 M15M15M15 000 03 23 03 -14.3 -16.9 29.06 4 6 115 326 -002 081045045 M15M15M15 000 04 23 04 -14.7 -17.4 29.06 6 8 123 334 -001 080042048 M15M15M15 000 05 23 05 -15.3 -18.1 29.05 7 10 118 329 003 079043049 M15M15M16 000 06 23 06 -15.9 -18.8 29.06 8 11 115 326 009 079045048 M15M15M16 000 07 23 07 -16.5 -19.3 29.06 8 11 115 326 012 079045049 M15M15M16 000 08 23 08 -17.1 -19.7 29.05 8 11 116 327 002 080046050 M15M15M16 000 09 23 09 -17.6 -20.1 29.05 8 11 123 334 -001 081046052 M16M16M16 000 10 23 10 -17.9 -20.3 29.04 7 11 127 338 009 082046054 M16M16M16 000 11 23 11 -18.1 -20.4 29.04 7 11 131 342 018 082044055 M16M16M16 000 12 23 12 -18.1 -20.4 29.03 7 11 138 349 012 082044053 M16M16M16 000 13 23 13 -18.1 -20.4 29.03 8 12 146 357 010 083045047 M16M16M17 000 14 23 14 -18.0 -20.1 29.02 8 12 152 3 023 084046042 M16M16M17 000 15 23 15 -17.8 -19.7 29.02 8 13 157 8 026 085048041 M17M17M17 000 16 23 16 -17.4 -19.2 29.04 9 13 157 8 023 086049044 M17M17M17 000 17 23 17 -17.0 -18.9 29.03 9 13 156 7 017 085050046 M17M17M17 000 18 23 18 -16.7 -18.9 29.03 9 13 155 6 011 084051049 M17M17M17 000 19 23 19 -16.5 -18.8 29.01 9 12 153 4 012 082054040 M17M17M17 000 20 23 20 -16.1 -18.6 29.01 9 11 156 7 007 081056040 M17M17M17 000 21 23 21 -15.8 -18.4 29.01 9 11 159 10 009 081055044 M17M17M18 000 22 23 22 -15.7 -18.3 29.00 10 13 160 11 004 081057046 M17M17M18 000 23 23 23 -15.7 -18.1 28.98 10 12 162 13 -008 082064046 M17M17M18 000 24 24 00 -15.6 -17.9 29.00 11 13 164 15 -011 083069043 M17M17M18 000 25 24 01 -15.7 -17.8 29.00 11 14 164 15 -010 084069038 M17M17M17 000 26 24 02 -15.8 -17.7 28.99 11 15 161 11 -011 086059035 M17M16M16 000 27 24 03 -15.9 -17.5 28.99 11 15 157 8 001 088074032 M16M15M16 000 28 24 04 -16.0 -17.6 28.98 11 14 152 3 002 088069038 M16M14M15 000 29 24 05 -16.1 -17.8 28.98 10 17 152 3 015 087050049 M15M14M15 000 30 24 06 -16.2 -17.8 28.97 10 17 151 2 019 088038045 M14M13M14 000 31 24 07 -16.4 -17.6 28.95 9 15 155 6 011 090032039 M14M13M14 000 32 24 08 -16.4 -17.6 28.96 9 13 160 11 019 091029030 M13M13M13 000 33 24 09 -16.5 -17.4 28.96 8 11 166 17 022 093029050 M13M13M13 000 34 24 10 -16.5 -17.4 28.96 7 10 167 18 017 093054050 M13M12M13 000 35 24 11 -16.2 -17.6 28.95 6 9 162 13 014 089063047 M12M11M12 000 36 24 12 -15.8 -17.7 28.95 6 9 149 360 009 085063038 M11M11M13 000 37 24 13 -15.3 -17.5 28.97 6 9 128 339 009 084062037 M11M11M12 000 38 24 14 -14.7 -16.8 28.97 7 11 95 306 006 084059032 M11M12M12 000 39 24 15 -14.1 -16.1 28.98 8 12 72 283 006 085051025 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 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.