USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025122212 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 22 12 -14.9 -16.9 29.10 4 5 262 113 004 088089077 M14M14M15 000 01 22 13 -15.9 -17.6 29.11 4 5 259 110 009 087086068 M14M14M15 000 02 22 14 -15.5 -17.0 29.09 4 5 250 101 017 088076057 M14M14M15 000 03 22 15 -15.3 -16.6 29.06 4 6 237 88 019 089067052 M14M14M15 000 04 22 16 -14.9 -16.3 29.08 3 5 224 75 019 090059043 M14M14M15 000 05 22 17 -14.6 -15.8 29.08 2 3 202 53 -002 090052042 M14M14M15 000 06 22 18 -14.4 -15.9 29.07 3 3 136 347 -018 089048045 M14M15M15 000 07 22 19 -14.3 -16.2 29.07 3 4 97 308 -012 086045049 M14M15M15 000 08 22 20 -14.1 -16.5 29.07 3 5 78 289 -012 082043050 M14M15M15 000 09 22 21 -14.0 -17.0 29.07 3 4 61 272 -004 078042047 M14M15M16 000 10 22 22 -13.9 -17.0 29.06 3 4 83 294 -007 077045045 M15M15M16 000 11 22 23 -13.9 -16.8 29.05 3 4 97 308 -005 078046044 M15M15M16 000 12 23 00 -14.0 -17.3 29.05 5 6 105 316 002 076049041 M15M16M16 000 13 23 01 -14.2 -17.4 29.05 6 7 106 317 -001 077051039 M15M16M16 000 14 23 02 -14.5 -17.5 29.05 7 8 106 317 004 078053039 M16M16M16 000 15 23 03 -14.9 -17.7 29.05 7 8 107 318 013 079051039 M16M16M16 000 16 23 04 -15.3 -18.2 29.05 7 9 109 320 012 078047041 M16M16M16 000 17 23 05 -15.7 -18.6 29.05 7 9 112 323 020 078046044 M15M16M16 000 18 23 06 -16.1 -19.0 29.05 7 10 120 331 014 078043047 M15M16M16 000 19 23 07 -16.5 -19.5 29.04 7 10 128 339 021 078041050 M15M16M16 000 20 23 08 -17.0 -20.0 29.05 7 10 139 350 025 077041053 M15M16M16 000 21 23 09 -17.4 -20.4 29.05 7 11 145 356 021 078043055 M16M16M16 000 22 23 10 -17.8 -20.7 29.04 8 11 146 357 017 078046056 M16M16M16 000 23 23 11 -18.0 -20.8 29.03 8 11 147 358 015 079048057 M16M16M17 000 24 23 12 -18.0 -20.8 29.03 7 11 148 359 014 079049055 M16M16M17 000 25 23 13 -17.8 -20.7 29.03 7 10 150 1 028 078050055 M16M16M17 000 26 23 14 -17.4 -20.3 29.03 6 9 155 6 034 078051057 M16M16M17 000 27 23 15 -17.3 -20.1 29.02 6 9 162 13 028 079051058 M16M16M17 000 28 23 16 -17.1 -19.7 29.01 6 8 167 18 023 080052058 M16M16M17 000 29 23 17 -16.8 -19.2 29.02 6 8 169 20 019 081053058 M16M16M17 000 30 23 18 -16.3 -18.8 29.02 6 7 170 21 019 082054059 M16M16M17 000 31 23 19 -16.0 -18.4 29.00 6 7 169 20 019 082052060 M16M17M17 000 32 23 20 -15.7 -18.0 28.99 6 7 168 19 005 083049060 M16M17M17 000 33 23 21 -15.6 -18.3 28.99 7 7 162 13 -010 080052055 M17M17M17 000 34 23 22 -15.4 -18.2 28.98 7 8 156 7 -011 080052043 M17M17M17 000 35 23 23 -15.3 -18.2 28.98 8 9 151 2 -011 079053041 M17M17M17 000 36 24 00 -15.3 -18.1 28.98 8 9 150 1 -016 079065044 M17M17M17 000 37 24 01 -15.4 -18.0 28.98 8 11 151 2 -013 081065044 M17M17M17 000 38 24 02 -15.6 -18.1 28.97 9 11 150 1 -011 081059044 M17M16M17 000 39 24 03 -15.8 -18.2 28.97 9 11 150 1 -014 082064039 M16M16M17 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.