USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026050200 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 02 00 -20.3 -26.6 28.43 13 15 134 345 -004 068040066 M16M12M12 000 03 02 03 -22.5 -26.8 28.40 11 18 110 321 -056 068042071 M11M10M11 000 06 02 06 -18.9 -22.2 28.42 11 16 61 272 -017 075053047 M09M09M09 000 09 02 09 -15.8 -20.6 28.42 11 17 82 293 014 067042059 M07M07M08 000 12 02 12 -19.1 -22.6 28.38 14 24 85 296 -004 074032037 M09M08M08 000 15 02 15 -17.8 -21.0 28.39 24 37 64 275 -159 076035051 M11M09M09 000 18 02 18 -20.3 -22.9 28.44 17 29 72 283 032 080050039 M14M13M12 000 21 02 21 -19.2 -21.0 28.53 15 24 47 258 -020 086096083 M14M13M13 002 24 03 00 -20.4 -22.6 28.61 13 22 62 273 -077 083074043 M13M13M13 004 27 03 03 -21.1 -25.4 28.65 14 23 76 287 -089 069044050 M13M13M13 000 30 03 06 -20.2 -24.4 28.67 10 17 59 270 048 070048052 M13M14M13 000 33 03 09 -20.6 -25.1 28.66 7 7 135 346 -084 067044041 M13M13M12 000 36 03 12 -18.7 -23.9 28.59 8 12 159 10 013 064035034 M12M11M11 000 39 03 15 -17.8 -22.9 28.56 6 8 85 296 043 064036045 M12M12M13 000 42 03 18 -19.1 -22.1 28.58 10 19 277 128 066 077057080 M15M15M15 009 45 03 21 -18.7 -21.4 28.65 16 31 314 165 000 080063067 M15M15M16 005 48 04 00 -20.7 -22.8 28.79 18 34 344 195 -017 084068065 M16M16M17 003 51 04 03 -21.8 -23.8 28.93 15 26 8 219 028 085072065 M17M17M18 001 54 04 06 -21.7 -23.9 29.04 11 18 39 250 032 082071063 M17M17M17 002 57 04 09 -24.0 -25.9 29.11 11 18 47 258 002 084075052 M17M17M18 000 60 04 12 -25.5 -27.0 29.17 10 16 46 257 030 088069046 M18M18M19 000 63 04 15 -24.8 -26.1 29.21 6 8 62 273 013 089056044 M18M18M18 000 66 04 18 -23.2 -25.8 29.22 5 5 95 306 -040 079055048 M17M18M19 000 69 04 21 -24.7 -27.4 29.20 7 9 98 309 -019 078043031 M17M17M18 000 72 05 00 -22.6 -27.3 29.16 5 6 125 336 -032 066038029 M16M17M17 000 75 05 03 -25.0 -28.2 29.10 8 10 154 5 -020 075050023 M17M17M17 000 78 05 06 -25.5 -27.6 29.04 10 14 165 16 -018 082053014 M17M16M16 000 81 05 09 -25.1 -26.6 28.94 12 18 157 8 -008 087024012 M16M15M14 000 84 05 12 -23.2 -25.9 28.86 12 20 165 16 000 079029057 M15M13M13 000 87 05 15 -22.8 -26.2 28.78 12 19 175 26 016 074050074 M14M12M12 000 90 05 18 -23.8 -27.2 28.70 9 11 162 13 -001 074049069 M14M12M11 000 93 05 21 -23.3 -26.7 28.63 8 10 140 351 -000 074055068 M12M10M10 000 96 06 00 -24.0 -26.2 28.56 9 14 66 277 004 082052044 M13M11M10 000 99 06 03 -22.2 -24.8 28.51 8 12 58 269 -014 080045036 M15M13M11 000 102 06 06 -24.5 -27.1 28.48 12 18 49 260 -013 079049039 M17M13M12 000 105 06 09 -26.9 -29.4 28.44 12 20 44 255 016 080065043 M17M13M11 000 108 06 12 -27.2 -29.5 28.40 10 16 50 261 056 081062047 M16M12M11 000 111 06 15 -26.5 -28.0 28.38 9 13 62 273 011 087071048 M15M13M12 000 114 06 18 -26.8 -28.3 28.38 8 12 36 247 000 087081054 M17M14M13 000 117 06 21 -28.0 -29.8 28.40 9 16 13 224 -021 085079071 M18M15M14 000 120 07 00 -28.9 -31.0 28.41 13 22 31 242 002 082080071 M19M15M14 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.