USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025122300 WRF thwaites 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 -14.1 -17.7 29.06 4 6 65 276 -005 076057037 M15M15M16 000 01 23 01 -14.1 -17.1 29.05 3 3 86 297 -013 078053037 M15M15M16 000 02 23 02 -14.0 -16.8 29.05 3 4 111 322 003 080050040 M15M15M15 000 03 23 03 -14.3 -16.8 29.06 5 6 121 332 -002 081045045 M15M15M15 000 04 23 04 -14.7 -17.4 29.05 6 9 123 334 003 080042048 M15M15M15 000 05 23 05 -15.3 -18.1 29.06 8 11 120 331 008 079043048 M15M15M15 000 06 23 06 -16.0 -18.8 29.05 9 12 119 330 011 079045048 M15M15M16 000 07 23 07 -16.6 -19.3 29.04 8 12 119 330 015 080046048 M15M15M16 000 08 23 08 -17.1 -19.7 29.04 8 12 121 332 011 080047050 M15M15M16 000 09 23 09 -17.6 -20.0 29.04 8 12 124 335 010 081047051 M16M16M16 000 10 23 10 -17.9 -20.2 29.04 8 11 127 338 010 082046054 M16M16M16 000 11 23 11 -18.1 -20.4 29.03 7 11 131 342 017 082045055 M16M16M16 000 12 23 12 -18.1 -20.4 29.03 7 11 138 349 012 082044052 M16M16M16 000 13 23 13 -18.1 -20.4 29.03 8 11 148 359 011 083045047 M16M16M17 000 14 23 14 -18.0 -20.1 29.03 8 12 155 6 020 083046042 M16M16M17 000 15 23 15 -17.7 -19.7 29.03 9 13 159 10 025 085047041 M17M17M17 000 16 23 16 -17.4 -19.3 29.03 9 13 159 10 022 085049043 M17M17M17 000 17 23 17 -17.0 -18.9 29.03 9 12 156 7 023 085050047 M17M17M17 000 18 23 18 -16.7 -18.8 29.02 9 12 155 6 014 084051051 M17M17M17 000 19 23 19 -16.4 -18.7 29.02 8 10 156 7 018 083052041 M17M17M17 000 20 23 20 -16.0 -18.5 29.01 8 11 160 11 007 081055040 M17M17M18 000 21 23 21 -15.8 -18.5 29.00 9 12 163 14 009 080058045 M17M17M18 000 22 23 22 -15.7 -18.3 29.00 10 13 164 15 011 081058047 M17M17M18 000 23 23 23 -15.7 -18.1 29.00 11 14 165 16 -001 082060047 M17M17M18 000 24 24 00 -15.7 -17.9 28.99 11 14 165 16 -007 083066045 M17M17M18 000 25 24 01 -15.8 -17.8 28.99 11 15 164 15 -004 084069041 M17M17M17 000 26 24 02 -15.8 -17.7 28.99 11 15 163 14 -006 086061036 M17M16M17 000 27 24 03 -15.9 -17.6 28.98 11 16 159 10 -006 087067033 M16M16M16 000 28 24 04 -16.0 -17.6 28.98 11 16 155 6 -002 088070040 M16M15M15 000 29 24 05 -16.1 -17.8 28.97 10 16 154 5 014 087056051 M15M14M15 000 30 24 06 -16.2 -17.9 28.97 10 16 154 5 017 087040046 M14M13M14 000 31 24 07 -16.4 -17.7 28.96 9 15 155 6 007 090034041 M14M13M14 000 32 24 08 -16.5 -17.6 28.96 9 15 160 11 020 091030034 M13M13M13 000 33 24 09 -16.5 -17.4 28.96 8 12 165 16 029 092026033 M13M13M13 000 34 24 10 -16.4 -17.3 28.95 8 11 167 18 033 093043052 M13M12M12 000 35 24 11 -16.1 -17.5 28.95 7 10 164 15 010 089059056 M12M11M12 000 36 24 12 -15.7 -17.9 28.94 6 9 157 8 008 083062057 M11M11M12 000 37 24 13 -15.2 -17.9 28.95 6 9 145 356 002 080068049 M11M11M12 000 38 24 14 -14.8 -17.4 28.96 7 10 106 317 004 081070041 M11M12M13 000 39 24 15 -14.1 -16.3 28.97 8 12 72 283 009 084067035 M11M12M12 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.