USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026101712 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 17 12 -13.4 -19.5 28.26 9 10 81 292 -004 066045041 M12M09M08 000 03 17 15 -18.1 -21.4 28.24 9 14 82 293 -006 076049049 M11M10M09 000 06 17 18 -17.7 -21.0 28.23 8 14 78 289 -010 075045045 M11M10M10 000 09 17 21 -16.1 -19.6 28.22 6 10 81 292 000 074049050 M11M10M10 000 12 18 00 -18.6 -21.4 28.22 9 11 66 277 -014 078049043 M15M12M11 000 15 18 03 -19.1 -22.5 28.27 12 19 66 277 003 075047042 M14M12M11 000 18 18 06 -18.7 -22.0 28.30 15 27 69 280 -004 075043048 M12M10M09 000 21 18 09 -18.2 -20.8 28.35 18 31 71 282 -059 080034048 M11M09M08 000 24 18 12 -18.7 -21.1 28.39 18 34 68 279 -057 082050049 M11M09M09 000 27 18 15 -18.2 -20.8 28.45 18 33 70 281 -061 081059051 M10M09M10 000 30 18 18 -17.5 -20.6 28.46 16 27 75 286 -029 077046042 M10M09M10 000 33 18 21 -16.8 -20.7 28.46 14 24 77 288 -006 072041037 M10M09M10 000 36 19 00 -16.6 -19.9 28.44 12 21 79 290 012 075033035 M11M09M10 000 39 19 03 -16.8 -20.2 28.41 10 18 88 299 035 075032033 M10M09M09 000 42 19 06 -17.6 -21.1 28.39 9 15 90 301 003 074036036 M09M09M09 000 45 19 09 -18.7 -22.0 28.36 9 13 87 298 -002 075039042 M09M09M09 000 48 19 12 -19.0 -22.5 28.33 8 10 87 298 -025 074042046 M10M10M10 000 51 19 15 -18.5 -22.2 28.34 7 10 77 288 010 073044043 M10M10M10 000 54 19 18 -17.9 -21.2 28.35 6 8 59 270 004 075045044 M11M10M10 000 57 19 21 -16.8 -20.4 28.38 5 5 44 255 -005 074047044 M13M11M10 000 60 20 00 -17.2 -20.4 28.42 5 6 49 260 001 076047042 M13M11M10 000 63 20 03 -17.6 -21.3 28.45 5 6 51 262 -008 073046041 M12M11M10 000 66 20 06 -17.7 -22.1 28.49 3 3 69 280 -000 068049044 M13M11M11 000 69 20 09 -18.6 -22.8 28.51 4 4 69 280 001 070049047 M13M11M11 000 72 20 12 -22.0 -24.9 28.52 7 9 51 262 005 077051049 M14M12M11 000 75 20 15 -21.3 -23.8 28.54 8 12 59 270 -004 081051051 M13M12M12 000 78 20 18 -19.3 -21.8 28.54 8 12 76 287 -016 081046048 M12M11M11 000 81 20 21 -16.8 -19.8 28.52 9 13 103 314 -013 078045040 M11M11M11 000 84 21 00 -16.6 -20.1 28.48 10 17 108 319 001 075039044 M12M11M11 000 87 21 03 -16.6 -19.7 28.45 12 20 98 309 009 077037051 M10M09M09 000 90 21 06 -16.5 -19.8 28.42 14 25 95 306 014 076034038 M09M08M07 000 93 21 09 -17.4 -20.9 28.39 13 23 103 314 041 074035029 M08M07M07 000 96 21 12 -17.9 -21.9 28.34 12 23 114 325 006 071027029 M08M07M08 000 99 21 15 -17.7 -21.9 28.31 12 20 114 325 -010 070030023 M08M08M09 000 102 21 18 -16.5 -20.8 28.27 10 19 111 322 006 070037026 M09M09M09 000 105 21 21 -16.0 -20.0 28.24 8 17 95 306 019 072038035 M11M10M10 000 108 22 00 -17.6 -20.6 28.22 5 8 68 278 -005 078041044 M14M12M11 000 111 22 03 -20.1 -22.2 28.23 8 9 33 244 -002 084050045 M18M15M13 000 114 22 06 -23.0 -24.8 28.26 12 20 37 248 002 085061045 M19M16M14 000 117 22 09 -23.0 -24.7 28.30 15 29 37 248 -005 085071052 M19M16M15 000 120 22 12 -22.2 -23.5 28.35 18 33 36 247 005 089077064 M18M16M15 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.