USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026050200 WRF 2.67-km 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 00 -20.6 -26.5 28.41 14 16 132 343 -002 068042069 M16M13M12 000 01 02 01 -23.9 -28.6 28.41 14 20 125 336 012 065044071 M13M11M11 000 02 02 02 -24.0 -28.5 28.42 13 21 115 326 005 066040068 M12M10M11 000 03 02 03 -22.3 -26.7 28.39 13 20 103 314 -041 067040074 M11M10M11 000 04 02 04 -20.4 -23.8 28.41 13 20 79 290 014 074048067 M10M10M10 000 05 02 05 -19.7 -22.4 28.42 12 20 58 269 045 080052060 M10M10M11 000 06 02 06 -18.5 -21.9 28.41 13 18 52 263 041 075054045 M09M09M09 000 07 02 07 -17.9 -21.6 28.43 11 15 63 274 104 073049042 M08M08M09 000 08 02 08 -16.9 -21.0 28.43 14 21 63 274 017 071049050 M08M09M09 000 09 02 09 -15.9 -20.6 28.41 13 18 76 287 027 067042063 M07M08M09 000 10 02 10 -16.2 -20.8 28.40 14 20 90 301 -010 068041049 M06M07M08 000 11 02 11 -17.8 -21.1 28.37 17 26 84 295 -028 075039044 M07M07M08 000 12 02 12 -19.1 -22.6 28.37 15 24 79 290 -044 074031038 M08M08M08 000 13 02 13 -19.7 -22.7 28.36 20 34 67 278 003 077035030 M11M09M08 000 14 02 14 -18.8 -21.8 28.36 24 40 54 265 -044 077041037 M12M11M10 000 15 02 15 -18.0 -21.1 28.38 24 37 62 273 -114 077035053 M11M09M09 000 16 02 16 -19.0 -21.8 28.40 20 30 76 287 -071 078040051 M12M11M11 000 17 02 17 -19.8 -22.4 28.41 18 29 76 287 017 079042046 M13M12M12 000 18 02 18 -20.4 -22.9 28.43 17 28 70 281 091 080050040 M14M13M12 000 19 02 19 -21.3 -23.6 28.43 17 25 61 272 013 081058054 M13M12M12 000 20 02 20 -20.6 -22.6 28.48 15 26 49 260 -036 084100080 M13M13M13 001 21 02 21 -19.3 -21.0 28.52 15 23 47 258 -005 087096083 M14M13M13 002 22 02 22 -18.4 -19.9 28.55 16 24 44 255 -096 088096078 M15M14M13 002 23 02 23 -18.7 -20.4 28.57 15 24 50 261 -081 087093053 M15M14M14 002 24 03 00 -20.3 -22.4 28.60 15 23 57 268 -112 083071040 M13M13M14 000 25 03 01 -20.2 -23.2 28.62 15 24 56 267 -093 077053043 M13M13M14 000 26 03 02 -20.5 -24.3 28.62 14 23 63 274 062 072066048 M13M13M14 000 27 03 03 -21.0 -25.3 28.64 15 24 71 282 -140 068044049 M13M13M13 000 28 03 04 -20.3 -24.9 28.63 14 23 64 275 070 067038044 M13M13M13 000 29 03 05 -20.4 -24.7 28.65 12 20 56 267 070 068046051 M14M14M13 000 30 03 06 -20.1 -24.3 28.66 11 18 51 262 026 069049051 M14M14M13 000 31 03 07 -19.9 -24.2 28.65 9 13 52 263 118 069049042 M14M13M13 000 32 03 08 -18.4 -24.0 28.65 4 5 84 295 014 061045040 M13M13M13 000 33 03 09 -20.4 -25.0 28.64 6 7 131 342 -138 066044039 M13M13M12 000 34 03 10 -18.2 -24.4 28.62 6 10 154 5 015 059042037 M12M12M12 000 35 03 11 -18.2 -24.3 28.60 7 12 168 19 033 059035036 M12M11M11 000 36 03 12 -18.8 -24.1 28.58 8 13 156 7 052 063032034 M12M11M11 000 37 03 13 -18.0 -23.5 28.57 7 11 157 8 034 062032035 M12M11M12 000 38 03 14 -17.3 -23.3 28.56 6 9 138 349 030 060033037 M12M12M12 000 39 03 15 -17.6 -23.0 28.55 7 8 83 294 043 063035045 M12M12M13 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 1h) 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.