USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025122112 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 21 12 -14.9 -21.1 29.15 5 6 308 159 001 067047028 M13M14M14 000 01 21 13 -17.0 -20.9 29.14 6 9 320 171 016 072046027 M13M14M14 000 02 21 14 -16.7 -20.4 29.15 6 9 312 163 022 073045027 M13M13M14 000 03 21 15 -16.4 -19.5 29.15 6 10 299 150 021 077051036 M13M14M14 000 04 21 16 -15.9 -18.6 29.15 6 10 279 130 018 079063059 M13M14M14 000 05 21 17 -15.1 -17.3 29.16 6 10 264 115 001 083079076 M14M14M14 000 06 21 18 -14.4 -16.0 29.16 7 10 260 111 009 088095081 M13M14M14 000 07 21 19 -13.0 -14.1 29.16 7 9 257 108 001 091100083 M13M14M14 000 08 21 20 -11.9 -12.6 29.15 9 12 256 107 -010 094100082 M13M14M14 000 09 21 21 -11.4 -12.0 29.15 10 13 253 104 -016 095100080 M13M14M14 000 10 21 22 -11.3 -11.6 29.14 9 12 251 102 -025 098100081 M13M14M15 000 11 21 23 -10.8 -11.0 29.14 9 11 238 89 -006 098100083 M13M14M15 000 12 22 00 -10.5 -10.7 29.14 8 10 225 76 001 098100088 M12M13M14 000 13 22 01 -10.0 -10.2 29.13 7 8 234 85 -009 099100086 M12M13M14 001 14 22 02 -10.2 -11.1 29.13 10 10 254 105 016 093099085 M12M13M14 028 15 22 03 -10.6 -11.3 29.13 8 8 245 96 016 095100082 M12M14M14 031 16 22 04 -10.6 -11.2 29.12 7 8 240 91 017 096100072 M12M14M14 029 17 22 05 -10.5 -11.4 29.12 6 6 251 102 023 093095070 M12M13M15 007 18 22 06 -10.8 -12.0 29.12 4 5 238 89 021 091090076 M12M13M14 019 19 22 07 -11.6 -12.8 29.11 2 3 190 41 015 091089079 M12M13M14 024 20 22 08 -11.9 -13.2 29.11 1 1 328 179 017 090090084 M12M13M14 027 21 22 09 -12.3 -13.7 29.11 3 3 264 115 -002 090091090 M12M14M14 019 22 22 10 -12.6 -13.8 29.10 3 4 242 93 022 091090093 M13M14M14 016 23 22 11 -12.8 -13.8 29.09 2 4 200 51 007 092094090 M13M13M14 010 24 22 12 -13.1 -14.1 29.08 3 4 133 344 -004 093095092 M13M13M14 003 25 22 13 -13.2 -14.3 29.08 3 3 76 287 -007 091093095 M13M13M15 001 26 22 14 -13.4 -14.7 29.08 3 3 21 232 -005 090097096 M13M14M15 001 27 22 15 -13.0 -14.4 29.08 3 3 11 222 -009 089099095 M13M14M15 000 28 22 16 -12.9 -14.4 29.07 3 4 350 201 -000 089097093 M13M14M15 001 29 22 17 -12.8 -13.9 29.07 3 4 332 183 -002 092094094 M13M14M15 001 30 22 18 -12.0 -12.9 29.06 2 4 302 153 -018 093096098 M13M14M15 000 31 22 19 -11.4 -12.2 29.06 2 2 268 119 -005 094095100 M13M14M15 000 32 22 20 -10.8 -12.1 29.05 2 2 210 61 013 090096097 M13M14M15 000 33 22 21 -10.7 -12.2 29.05 3 3 174 25 003 089097089 M12M14M15 001 34 22 22 -10.7 -12.1 29.04 4 4 155 6 -006 090095088 M13M14M15 002 35 22 23 -10.8 -12.1 29.04 4 4 146 357 -004 090090082 M13M13M15 003 36 23 00 -10.8 -12.1 29.04 4 4 146 357 001 090086068 M13M13M14 002 37 23 01 -10.9 -12.3 29.03 4 4 139 350 -002 089072055 M13M13M14 000 38 23 02 -11.2 -13.3 29.02 4 4 123 334 -008 085053052 M13M13M14 000 39 23 03 -11.5 -13.9 29.02 4 5 108 319 -010 082044053 M13M14M14 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.