USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026050212 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 12 -12.5 -18.0 28.46 15 17 83 294 -009 066037032 M09M07M07 000 03 02 15 -15.3 -18.7 28.40 22 37 71 282 -028 076041034 M09M09M09 000 06 02 18 -16.4 -19.3 28.45 23 37 55 266 -146 079045025 M12M11M10 000 09 02 21 -16.0 -17.5 28.52 17 30 29 240 -110 089089046 M12M11M11 001 12 03 00 -17.1 -18.6 28.61 13 22 43 254 -039 088076043 M13M13M13 003 15 03 03 -18.9 -20.2 28.67 10 17 76 287 002 089075068 M12M12M13 000 18 03 06 -19.8 -24.1 28.69 11 19 93 304 108 069041054 M12M12M13 000 21 03 09 -18.8 -24.4 28.65 10 15 99 310 -015 061039051 M10M11M11 000 24 03 12 -16.5 -24.3 28.57 5 7 156 7 035 051029036 M10M11M11 000 27 03 15 -17.0 -21.3 28.55 2 4 13 224 046 070056079 M14M14M14 002 30 03 18 -18.6 -21.8 28.58 13 20 333 184 071 076040049 M15M14M14 020 33 03 21 -21.0 -22.7 28.68 18 31 353 204 001 086050064 M15M14M14 003 36 04 00 -21.7 -23.2 28.81 17 31 16 227 003 088068054 M16M15M15 001 39 04 03 -21.2 -22.7 28.91 14 24 29 240 021 088066063 M16M15M16 000 42 04 06 -22.8 -24.6 28.98 11 17 46 257 008 085057055 M16M16M16 000 45 04 09 -21.9 -24.3 29.03 9 15 33 244 036 081058051 M15M16M16 000 48 04 12 -20.1 -23.0 29.07 3 3 57 268 -037 078065069 M15M16M17 000 51 04 15 -21.7 -24.1 29.09 7 8 131 342 021 081067059 M15M16M17 000 54 04 18 -22.7 -24.9 29.07 8 11 124 335 -024 082067074 M15M15M16 000 57 04 21 -22.6 -24.8 29.02 10 15 149 0 -001 083063033 M15M15M16 000 60 05 00 -22.8 -25.2 28.94 11 17 164 15 -008 081028021 M15M14M15 000 63 05 03 -23.2 -26.8 28.87 11 16 180 31 -003 072034033 M14M13M13 000 66 05 06 -22.4 -26.6 28.82 9 12 177 28 -004 069054062 M15M13M13 000 69 05 09 -20.9 -25.2 28.77 5 6 126 337 002 068063071 M14M13M13 000 72 05 12 -22.0 -25.3 28.72 7 8 67 278 -010 075050049 M13M13M12 000 75 05 15 -21.7 -25.3 28.70 7 10 49 260 003 072050049 M14M12M12 000 78 05 18 -22.6 -26.1 28.68 9 14 42 253 004 073049051 M14M11M11 000 81 05 21 -24.0 -27.6 28.66 11 17 41 252 033 072047050 M14M12M12 000 84 06 00 -22.5 -26.6 28.63 10 15 41 252 025 069045048 M12M11M11 000 87 06 03 -21.1 -25.4 28.60 5 7 57 268 -063 069051048 M14M12M12 000 90 06 06 -19.2 -24.8 28.56 4 4 48 259 026 061049055 M14M13M13 000 93 06 09 -22.6 -26.5 28.53 5 8 351 202 -010 071055058 M15M14M13 000 96 06 12 -24.2 -27.0 28.51 7 10 8 219 001 078067071 M15M14M13 000 99 06 15 -25.0 -26.9 28.50 7 10 26 237 -015 084071068 M15M15M14 000 102 06 18 -22.6 -24.3 28.48 5 6 22 233 -019 086067061 M14M14M14 000 105 06 21 -21.5 -23.3 28.48 2 4 23 234 000 085067062 M15M14M14 000 108 07 00 -20.6 -22.7 28.45 3 3 110 321 -006 083066065 M15M14M14 000 111 07 03 -19.8 -22.1 28.45 3 3 101 312 005 082065069 M15M14M15 000 114 07 06 -19.9 -22.0 28.43 3 3 67 278 -005 083066072 M15M14M15 000 117 07 09 -20.3 -22.2 28.43 2 3 29 240 -003 085067075 M15M14M15 000 120 07 12 -20.2 -22.1 28.42 1 2 262 113 001 085068077 M15M15M15 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.