USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2026050312 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 03 12 -16.4 -21.8 28.64 5 7 154 5 -002 065039031 M15M13M12 000 03 03 15 -18.7 -21.8 28.58 7 9 213 64 023 077083085 M16M15M15 006 06 03 18 -17.7 -19.8 28.58 1 3 340 191 000 084085087 M15M15M16 027 09 03 21 -19.2 -21.9 28.70 15 27 313 164 -004 079072084 M18M17M17 070 12 04 00 -21.2 -23.4 28.84 15 27 348 198 -017 083074071 M18M18M18 024 15 04 03 -21.1 -23.5 28.94 13 25 11 222 001 081070068 M18M17M17 001 18 04 06 -20.5 -23.1 29.01 9 15 55 266 047 080072055 M16M16M16 000 21 04 09 -21.2 -23.3 29.04 12 20 94 305 013 084070054 M15M15M15 000 24 04 12 -21.1 -22.9 29.05 12 22 117 328 016 085073074 M15M15M15 000 27 04 15 -21.6 -23.5 29.03 12 23 137 348 004 085072070 M15M15M15 000 30 04 18 -23.1 -26.2 29.00 10 15 126 337 -004 075040037 M15M14M14 000 33 04 21 -21.4 -27.8 28.97 8 11 80 291 003 056033037 M13M13M14 000 36 05 00 -18.6 -26.8 28.93 5 6 96 307 -031 048032041 M12M13M14 000 39 05 03 -19.3 -26.9 28.88 6 8 152 3 -006 051034033 M13M13M13 000 42 05 06 -19.5 -26.9 28.83 6 8 161 12 -021 052039035 M13M12M13 000 45 05 09 -19.2 -26.4 28.77 4 4 117 328 -005 053043051 M13M13M13 000 48 05 12 -21.2 -26.2 28.72 5 6 34 245 -011 064046055 M14M13M13 000 51 05 15 -23.3 -26.9 28.69 6 8 34 245 -014 072046049 M15M13M13 000 54 05 18 -22.5 -26.8 28.65 5 6 23 234 -003 068045047 M15M13M12 000 57 05 21 -22.1 -26.1 28.64 7 8 54 265 -019 070047059 M15M13M13 000 60 06 00 -24.8 -28.6 28.62 10 16 46 257 023 071049063 M15M13M13 000 63 06 03 -25.6 -29.3 28.61 10 17 47 258 -023 072047057 M15M13M12 000 66 06 06 -22.0 -27.2 28.59 5 6 51 262 -023 063047052 M14M13M13 000 69 06 09 -22.0 -26.9 28.55 8 10 26 237 -008 065048052 M12M12M12 000 72 06 12 -21.5 -26.3 28.53 3 3 29 240 -030 065054062 M14M13M13 000 75 06 15 -22.2 -26.5 28.53 6 8 12 223 003 068056064 M14M13M14 000 78 06 18 -24.4 -27.5 28.54 9 14 22 233 002 076061066 M15M14M14 000 81 06 21 -24.1 -27.2 28.56 9 13 27 238 -017 076059067 M15M15M15 000 84 07 00 -24.8 -27.7 28.57 8 12 32 243 001 077058073 M16M15M16 000 87 07 03 -23.9 -26.4 28.59 8 11 39 250 -007 080067076 M15M15M16 000 90 07 06 -23.6 -25.2 28.60 7 9 52 263 -053 087073062 M15M15M16 000 93 07 09 -22.1 -23.7 28.59 6 6 87 298 009 086066061 M15M15M15 000 96 07 12 -21.7 -23.9 28.55 9 13 118 329 049 082061055 M15M15M15 000 99 07 15 -23.7 -26.4 28.51 8 13 112 323 023 079053053 M15M15M15 000 102 07 18 -23.9 -27.8 28.46 6 7 61 272 005 070045041 M15M14M14 000 105 07 21 -24.6 -28.3 28.44 7 11 16 227 -018 071053045 M16M15M15 000 108 08 00 -25.7 -28.4 28.42 9 14 16 227 020 078042055 M16M15M15 000 111 08 03 -27.1 -29.0 28.43 11 18 4 215 026 085035063 M17M16M16 000 114 08 06 -30.4 -32.7 28.49 12 21 11 222 027 080069032 M21M18M18 000 117 08 09 -31.8 -34.4 28.56 13 22 25 236 019 078082055 M22M20M19 001 120 08 12 -31.8 -34.3 28.60 13 23 23 234 005 078080061 M22M20M19 001 * 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.