USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026101212 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 12 12 -28.1 -34.1 29.00 5 5 56 267 -003 072057055 M22M22M22 000 03 12 15 -30.8 -33.7 29.00 5 7 53 264 -005 075063052 M24M23M23 000 06 12 18 -29.9 -32.8 28.94 5 5 86 297 -011 076062044 M23M23M22 000 09 12 21 -27.5 -31.3 28.87 5 5 130 341 -020 070052035 M21M21M20 000 12 13 00 -28.2 -31.9 28.81 8 11 128 339 -013 071048030 M21M20M20 000 15 13 03 -28.5 -32.0 28.75 8 11 132 343 -015 071040023 M20M18M18 000 18 13 06 -28.5 -32.8 28.68 11 13 156 7 -002 067032015 M18M16M16 000 21 13 09 -29.0 -33.7 28.61 11 17 148 359 -008 064025014 M17M15M14 000 24 13 12 -28.2 -33.9 28.54 9 15 159 10 -006 058021019 M16M13M13 000 27 13 15 -27.0 -32.9 28.51 7 10 163 14 -001 057039044 M16M13M12 000 30 13 18 -25.0 -29.2 28.47 4 7 130 341 -002 068057060 M18M14M11 000 33 13 21 -25.3 -28.6 28.45 6 8 36 247 015 074060061 M19M15M12 000 36 14 00 -23.7 -28.2 28.46 9 14 52 263 020 067049043 M17M14M12 001 39 14 03 -22.4 -27.1 28.49 12 20 68 279 006 066016017 M15M12M11 000 42 14 06 -22.0 -25.6 28.50 13 25 66 277 -003 072025020 M13M11M10 000 45 14 09 -22.6 -25.5 28.53 13 24 61 272 -009 077029060 M12M10M10 000 48 14 12 -23.5 -26.4 28.54 11 18 61 272 026 077032052 M12M11M10 000 51 14 15 -23.0 -25.1 28.59 10 18 63 274 024 083039064 M12M11M11 000 54 14 18 -20.6 -21.8 28.62 9 15 59 270 009 091063070 M11M11M11 000 57 14 21 -19.1 -20.0 28.64 6 9 47 258 -016 093066073 M12M11M11 000 60 15 00 -17.4 -18.6 28.66 3 5 30 241 -004 091065075 M12M12M12 000 63 15 03 -16.8 -19.4 28.68 3 4 352 203 003 080066074 M12M12M12 000 66 15 06 -18.0 -19.9 28.71 3 5 328 179 009 086070074 M12M12M12 000 69 15 09 -19.9 -20.2 28.74 5 9 320 171 -001 098077075 M12M12M12 000 72 15 12 -20.8 -20.8 28.76 4 8 327 178 -004 100085075 M13M13M13 000 75 15 15 -21.5 -21.9 28.80 5 10 0 211 004 097086073 M13M13M13 001 78 15 18 -20.3 -20.8 28.83 5 10 11 222 001 096087072 M14M13M14 001 81 15 21 -18.0 -18.5 28.85 6 10 20 231 -006 096086072 M14M14M14 001 84 16 00 -18.0 -18.9 28.88 6 10 29 240 -002 093085074 M14M14M14 001 87 16 03 -19.4 -20.0 28.89 5 9 26 237 -005 095084075 M14M14M14 000 90 16 06 -20.1 -20.2 28.90 4 6 34 245 -003 099082074 M15M14M14 000 93 16 09 -20.8 -20.7 28.90 3 4 97 308 -005 100079071 M14M14M14 000 96 16 12 -20.9 -20.9 28.87 4 3 140 351 -007 100078072 M14M14M14 001 99 16 15 -22.1 -22.5 28.84 5 6 144 355 -006 097080070 M14M14M14 001 102 16 18 -21.0 -21.6 28.80 5 6 153 4 -010 095082073 M14M14M14 001 105 16 21 -19.1 -19.8 28.75 7 7 173 24 -016 094079062 M15M14M14 001 108 17 00 -20.1 -21.3 28.68 7 7 173 24 -014 090064049 M15M14M14 001 111 17 03 -21.3 -22.6 28.62 7 8 181 32 -013 089059048 M15M14M13 000 114 17 06 -23.0 -23.9 28.57 7 8 172 23 -010 092052042 M15M13M13 000 117 17 09 -23.2 -24.9 28.51 7 8 152 3 -009 086039033 M14M12M12 000 120 17 12 -23.7 -27.5 28.44 7 8 128 339 -002 071035037 M13M12M11 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.