USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026050112 WRF 8km 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 01 12 -31.5 -40.3 28.74 20 19 131 342 -006 050022013 M28M25M22 000 03 01 15 -33.5 -39.5 28.63 18 30 124 335 -031 055015011 M24M20M19 000 06 01 18 -30.4 -38.0 28.55 17 30 124 335 022 048010009 M19M17M16 000 09 01 21 -26.7 -33.0 28.46 16 29 128 339 -022 055020024 M15M14M14 000 12 02 00 -23.9 -28.0 28.43 13 25 119 330 073 069037037 M13M12M12 000 15 02 03 -20.6 -24.2 28.41 12 21 92 303 -009 073044065 M10M11M11 000 18 02 06 -19.9 -23.4 28.40 13 22 63 274 -009 074052051 M10M10M10 000 21 02 09 -19.7 -23.0 28.43 14 23 75 286 -028 075053058 M09M09M10 000 24 02 12 -21.5 -25.0 28.37 14 23 77 288 033 073038039 M11M10M10 000 27 02 15 -19.9 -23.2 28.38 19 31 76 287 -116 075042045 M12M10M10 000 30 02 18 -21.3 -23.9 28.41 18 31 70 281 026 079050048 M14M12M12 000 33 02 21 -19.7 -21.0 28.50 21 38 33 244 -185 089086051 M15M13M14 002 36 03 00 -20.6 -24.2 28.59 16 28 49 260 -207 073086048 M14M15M15 003 39 03 03 -22.9 -26.0 28.66 10 18 99 310 084 076048071 M15M14M14 000 42 03 06 -22.7 -26.3 28.65 11 20 66 277 -023 073047042 M12M12M13 000 45 03 09 -23.1 -26.9 28.60 8 12 117 328 -090 072039033 M12M12M12 000 48 03 12 -23.0 -26.6 28.50 9 16 103 314 016 072035042 M13M12M12 000 51 03 15 -22.4 -25.3 28.44 10 16 92 303 -012 077059066 M15M14M14 000 54 03 18 -22.4 -25.2 28.46 9 15 45 256 037 078062071 M14M15M16 000 57 03 21 -22.4 -24.7 28.53 19 29 346 197 067 081048071 M17M15M15 002 60 04 00 -25.2 -27.1 28.70 22 42 358 209 040 084069069 M19M16M16 011 63 04 03 -23.7 -26.1 28.87 19 32 12 223 017 081085080 M18M17M17 014 66 04 06 -23.4 -25.7 29.01 15 25 28 239 -032 081084085 M19M18M18 032 69 04 09 -23.2 -25.3 29.11 12 21 35 246 022 083085080 M20M18M18 010 72 04 12 -24.3 -26.3 29.18 10 16 33 244 -003 084083085 M19M18M18 009 75 04 15 -25.3 -26.0 29.24 7 9 53 264 -034 094079084 M18M18M19 005 78 04 18 -25.2 -26.1 29.26 8 9 89 300 -009 093064051 M17M18M18 000 81 04 21 -25.6 -28.4 29.24 9 13 106 317 -021 078045030 M16M17M17 000 84 05 00 -26.0 -29.7 29.20 11 17 129 340 -015 071030019 M15M15M16 000 87 05 03 -26.4 -31.5 29.14 12 20 140 351 -023 062023012 M15M14M14 000 90 05 06 -25.9 -31.3 29.08 12 20 149 0 -033 061018017 M13M12M13 000 93 05 09 -24.7 -28.5 28.99 12 20 154 5 -013 070039025 M12M12M12 000 96 05 12 -23.9 -27.3 28.91 12 20 154 5 -016 074045038 M12M11M12 000 99 05 15 -22.4 -25.9 28.83 12 22 154 5 -013 073044058 M12M10M11 000 102 05 18 -21.7 -25.1 28.75 12 21 155 6 010 074051055 M11M10M10 000 105 05 21 -22.5 -25.8 28.67 10 14 133 344 028 074043065 M12M10M10 000 108 06 00 -22.9 -25.8 28.59 11 17 103 314 016 077038044 M12M10M10 000 111 06 03 -22.0 -24.9 28.52 12 20 79 290 017 077035035 M12M10M09 000 114 06 06 -21.1 -24.0 28.45 11 20 65 276 057 078034044 M13M10M09 000 117 06 09 -22.1 -24.6 28.40 10 18 53 264 050 080038046 M14M11M10 000 120 06 12 -25.4 -28.0 28.35 13 21 63 274 070 079046041 M14M11M10 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.