USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026050212 WRF 24km 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 -12.3 -18.1 28.48 15 16 87 298 -007 067038034 M09M07M06 000 03 02 15 -15.3 -18.6 28.42 20 35 75 286 -018 076041033 M09M08M08 000 06 02 18 -16.2 -19.1 28.46 22 38 58 268 -092 079042025 M11M10M09 000 09 02 21 -16.1 -17.7 28.54 16 29 37 248 -050 088086044 M12M11M10 001 12 03 00 -17.2 -18.8 28.63 13 22 46 257 -043 088074047 M12M12M12 003 15 03 03 -19.5 -21.0 28.70 10 17 77 288 017 088069061 M12M12M12 000 18 03 06 -20.6 -24.4 28.71 10 16 95 306 061 072041052 M12M12M12 000 21 03 09 -19.6 -24.7 28.68 9 14 107 318 -007 064036049 M11M11M11 000 24 03 12 -17.2 -24.4 28.60 6 7 141 352 019 054032036 M11M11M11 000 27 03 15 -17.4 -21.5 28.58 1 3 31 242 021 071058067 M14M14M14 003 30 03 18 -18.5 -21.6 28.61 11 16 334 185 050 076049055 M16M14M14 024 33 03 21 -20.8 -22.7 28.72 16 30 353 204 022 085054063 M16M14M14 003 36 04 00 -21.6 -23.1 28.84 16 31 17 228 005 088071056 M17M15M15 001 39 04 03 -21.4 -22.9 28.94 13 25 33 244 022 087068062 M16M15M15 000 42 04 06 -22.8 -24.6 29.01 10 18 50 261 017 085059056 M15M15M16 000 45 04 09 -21.9 -24.2 29.06 7 13 41 252 014 082060054 M15M15M16 000 48 04 12 -20.4 -23.1 29.10 3 4 87 298 -029 079065063 M15M16M16 000 51 04 15 -21.8 -24.1 29.12 6 6 137 348 003 082066062 M15M16M16 000 54 04 18 -22.5 -24.7 29.10 7 8 131 342 -023 083065066 M14M15M16 000 57 04 21 -22.5 -24.6 29.05 9 10 152 3 -001 083057041 M15M15M15 000 60 05 00 -22.7 -25.1 28.97 10 11 170 21 -010 081033022 M14M14M14 000 63 05 03 -23.0 -26.4 28.89 10 11 183 34 -004 073034036 M15M13M13 000 66 05 06 -22.2 -26.4 28.85 8 8 179 30 -003 069051062 M15M14M13 000 69 05 09 -21.1 -25.4 28.80 5 5 125 336 002 068057067 M15M14M13 000 72 05 12 -22.2 -25.4 28.76 5 6 66 277 -009 075052054 M15M13M12 000 75 05 15 -21.9 -25.4 28.73 6 9 48 259 002 073051050 M15M13M12 000 78 05 18 -22.8 -26.2 28.71 7 12 42 253 -004 074049050 M15M13M11 000 81 05 21 -24.3 -27.7 28.69 8 13 48 259 -005 073048050 M15M13M12 000 84 06 00 -22.9 -26.8 28.66 8 11 50 261 -017 070047048 M14M12M11 000 87 06 03 -21.4 -25.4 28.63 5 6 52 263 002 070051048 M15M13M12 000 90 06 06 -19.6 -24.8 28.59 3 4 47 258 028 063051055 M15M14M13 000 93 06 09 -22.8 -26.5 28.57 4 6 352 203 -006 072057060 M17M14M13 000 96 06 12 -24.3 -27.0 28.54 6 8 15 226 -008 078066066 M17M15M14 000 99 06 15 -25.0 -26.8 28.54 6 9 30 241 -008 084071068 M17M15M14 000 102 06 18 -22.9 -24.6 28.52 4 5 35 246 -011 086068063 M16M14M14 000 105 06 21 -21.9 -23.6 28.51 2 4 61 272 004 086068064 M16M15M14 000 108 07 00 -21.1 -23.0 28.48 3 3 112 323 003 085067065 M16M15M14 000 111 07 03 -20.3 -22.4 28.48 3 2 120 331 -000 084067068 M16M14M14 000 114 07 06 -20.3 -22.3 28.46 3 3 105 316 -004 085068069 M16M15M15 000 117 07 09 -20.6 -22.4 28.47 2 2 78 289 007 086068072 M16M15M15 000 120 07 12 -20.6 -22.3 28.46 1 2 300 151 003 086070074 M16M15M15 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.