USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026012900 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 29 00 -16.7 -20.3 28.76 1 1 227 78 000 077059041 M16M15M15 000 03 29 03 -16.6 -19.9 28.74 4 4 42 252 -003 076053037 M15M15M14 000 06 29 06 -17.8 -21.2 28.75 5 7 37 248 001 075052035 M15M15M14 000 09 29 09 -18.0 -22.1 28.72 5 5 49 260 -010 070048034 M14M14M14 000 12 29 12 -18.4 -22.7 28.69 6 7 61 272 -004 069044032 M13M13M13 000 15 29 15 -17.7 -21.9 28.68 8 12 57 268 000 069040034 M12M12M12 000 18 29 18 -15.7 -19.9 28.67 8 13 59 270 -002 070034035 M11M11M12 000 21 29 21 -13.4 -17.9 28.66 8 12 62 273 -009 069043048 M10M10M11 000 24 30 00 -12.2 -15.1 28.65 8 14 60 271 -001 079073065 M09M10M10 000 27 30 03 -11.9 -13.8 28.65 8 13 64 275 -006 086087081 M09M10M10 000 30 30 06 -12.4 -14.0 28.65 9 15 65 276 -002 088083083 M09M09M10 000 33 30 09 -12.0 -13.2 28.64 9 14 58 269 -003 091086087 M09M09M09 001 36 30 12 -11.0 -12.2 28.65 8 13 44 255 -001 091089090 M09M09M10 012 39 30 15 -9.3 -10.3 28.67 8 13 28 239 006 092091090 M08M09M09 024 42 30 18 -7.6 -8.6 28.69 9 13 26 237 001 093091090 M08M09M09 031 45 30 21 -6.7 -7.7 28.71 10 15 20 231 007 093090089 M08M09M09 015 48 31 00 -6.3 -7.3 28.73 13 18 12 223 -006 093090080 M08M08M09 012 51 31 03 -6.4 -7.4 28.75 12 18 8 219 -006 093091082 M08M09M09 004 54 31 06 -6.5 -7.4 28.78 12 19 8 219 -002 094093080 M07M08M09 009 57 31 09 -7.7 -8.6 28.81 12 19 1 212 -003 094091079 M07M08M09 005 60 31 12 -9.2 -10.1 28.83 11 18 8 219 -004 094088081 M08M08M08 003 63 31 15 -9.1 -10.0 28.89 11 19 7 218 -003 093086075 M08M08M09 002 66 31 18 -7.8 -8.7 28.92 11 17 14 225 -003 093089079 M08M09M09 002 69 31 21 -7.2 -8.1 28.95 11 17 19 230 -009 093090083 M08M09M09 002 72 01 00 -6.7 -7.9 28.97 9 14 22 233 -010 091084088 M07M08M08 000 75 01 03 -7.3 -8.4 28.99 9 15 41 252 -016 092070075 M06M07M07 000 78 01 06 -8.3 -9.7 29.00 10 17 54 265 001 090070077 M06M06M07 000 81 01 09 -8.9 -10.4 28.99 12 21 59 270 023 089069076 M06M06M07 000 84 01 12 -10.0 -11.6 28.98 12 19 53 264 021 088089086 M06M07M08 000 87 01 15 -8.5 -9.5 29.00 13 22 25 236 059 093096085 M07M07M08 002 90 01 18 -7.6 -8.2 29.00 14 23 8 219 056 095089085 M07M07M07 001 93 01 21 -6.3 -7.0 28.99 15 23 15 226 041 095086081 M06M06M06 000 96 02 00 -5.5 -6.3 28.97 13 23 15 226 037 094082082 M05M05M05 000 99 02 03 -5.4 -6.0 28.95 13 19 21 232 038 095088070 M05M06M06 000 102 02 06 -6.0 -6.3 28.93 11 18 41 252 015 098095088 M05M06M06 004 105 02 09 -5.7 -6.5 28.91 10 16 41 252 018 094092094 M05M05M05 059 108 02 12 -5.1 -5.9 28.87 9 14 53 264 044 094091093 M04M04M04 051 111 02 15 -4.3 -5.1 28.86 12 18 52 263 017 094091094 M04M04M05 068 114 02 18 -4.2 -5.5 28.84 13 20 43 254 -008 091094094 M04M03M04 053 117 02 21 -3.1 -3.9 28.82 10 14 33 244 005 094091093 M03M02M03 029 120 03 00 -1.5 -1.8 28.82 9 12 46 256 018 098098096 M02M02M03 020 * 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.