USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025122100 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 21 00 -13.6 -18.5 29.10 16 18 238 89 019 073047043 M14M14M15 000 01 21 01 -13.4 -17.0 29.15 14 24 247 98 -152 074042045 M13M14M14 000 02 21 02 -13.5 -16.8 29.14 13 22 253 104 -110 077038047 M13M13M14 000 03 21 03 -13.7 -16.5 29.12 12 20 255 106 -079 079041046 M13M13M14 000 04 21 04 -13.6 -16.4 29.14 10 18 253 104 -060 080037045 M13M13M14 000 05 21 05 -13.7 -16.4 29.15 9 12 254 105 -044 080037046 M12M13M14 000 06 21 06 -13.9 -16.6 29.17 6 10 258 109 -020 080038049 M12M13M14 000 07 21 07 -14.1 -16.8 29.16 6 9 261 112 008 080039048 M12M13M14 000 08 21 08 -14.1 -17.3 29.16 4 7 266 117 024 077040046 M13M13M14 000 09 21 09 -14.0 -17.7 29.16 3 6 276 127 020 074043042 M13M14M15 000 10 21 10 -14.2 -18.1 29.16 4 6 303 154 016 072043039 M13M14M14 000 11 21 11 -14.8 -18.5 29.15 5 8 311 162 016 073038035 M13M14M14 000 12 21 12 -15.1 -18.4 29.15 6 9 312 163 020 076035035 M13M13M14 000 13 21 13 -14.9 -18.1 29.15 7 10 309 160 026 077036040 M13M13M14 000 14 21 14 -14.6 -18.0 29.15 7 10 302 153 029 076037056 M13M13M14 000 15 21 15 -14.3 -18.2 29.15 7 10 291 142 031 073051078 M13M13M14 000 16 21 16 -13.8 -17.9 29.15 6 10 279 130 029 071080086 M13M13M14 000 17 21 17 -13.3 -16.6 29.15 6 9 267 118 026 076092088 M13M13M14 001 18 21 18 -12.6 -14.9 29.15 6 8 260 111 023 083093088 M13M13M14 002 19 21 19 -12.0 -13.5 29.15 6 7 253 104 025 088095090 M13M13M14 004 20 21 20 -11.5 -12.8 29.15 7 8 244 95 024 090096089 M13M13M14 003 21 21 21 -11.2 -12.3 29.16 7 8 245 96 021 092095087 M13M13M14 002 22 21 22 -11.0 -12.0 29.14 6 7 247 98 018 092094086 M13M13M14 002 23 21 23 -10.7 -11.8 29.13 6 7 251 102 020 092092086 M13M13M14 004 24 22 00 -10.5 -11.5 29.14 6 7 255 106 017 092092088 M12M13M14 003 25 22 01 -10.4 -11.4 29.15 6 7 258 109 013 093093089 M12M13M14 003 26 22 02 -10.3 -11.3 29.14 6 7 258 109 012 093095092 M12M13M13 004 27 22 03 -10.4 -11.3 29.13 6 8 258 109 015 093095093 M12M13M14 005 28 22 04 -10.4 -11.3 29.13 6 8 261 112 017 093096089 M12M13M14 004 29 22 05 -10.7 -11.5 29.12 6 8 260 111 015 093097089 M12M13M14 004 30 22 06 -11.1 -11.9 29.11 5 8 259 110 012 093098088 M12M13M14 003 31 22 07 -11.6 -12.4 29.11 5 7 261 112 014 093097088 M12M13M14 003 32 22 08 -11.9 -12.9 29.11 5 7 261 112 012 093095088 M12M13M14 004 33 22 09 -12.4 -13.4 29.11 5 7 262 113 009 092094087 M12M13M14 004 34 22 10 -12.7 -13.7 29.10 5 7 259 110 009 092094088 M12M13M14 003 35 22 11 -12.9 -13.9 29.09 4 7 258 109 011 093095088 M12M13M14 003 36 22 12 -13.0 -14.0 29.08 4 7 256 107 010 093097089 M12M13M14 002 37 22 13 -12.9 -13.9 29.09 4 6 247 98 005 093099089 M12M13M14 002 38 22 14 -11.9 -12.8 29.09 3 6 239 90 008 093100087 M12M14M14 003 39 22 15 -11.4 -12.4 29.08 4 5 240 91 006 092099085 M12M14M14 003 * 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.