USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025091912 AMPS 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 19 12 -13.2 -17.0 28.10 2 7 318 169 -000 082056067 M11M10M10 000 03 19 15 -17.5 -20.1 28.13 6 11 334 185 -016 080067073 M12M11M11 000 06 19 18 -16.9 -17.5 28.14 7 13 334 185 001 095074074 M12M11M11 001 09 19 21 -15.9 -17.1 28.19 7 12 326 177 010 091089079 M13M12M12 002 12 20 00 -15.6 -17.3 28.25 6 10 315 166 035 087091090 M14M13M13 044 15 20 03 -18.0 -20.0 28.35 11 14 344 195 006 084088087 M15M14M14 093 18 20 06 -21.2 -23.2 28.48 13 22 3 214 007 083085084 M17M15M15 019 21 20 09 -24.5 -26.3 28.63 12 23 21 232 031 085084080 M19M16M15 003 24 20 12 -25.1 -26.8 28.72 10 20 32 243 022 086082074 M18M17M16 001 27 20 15 -24.8 -26.5 28.82 8 15 33 244 033 086080073 M19M17M16 000 30 20 18 -22.4 -24.4 28.88 4 8 21 232 -001 084081084 M18M17M17 001 33 20 21 -20.4 -22.7 28.92 3 4 337 188 001 082085083 M19M18M18 024 36 21 00 -21.2 -23.4 28.95 3 4 294 145 012 083087082 M21M20M19 007 39 21 03 -22.3 -24.6 28.98 4 5 338 189 004 082083084 M21M20M19 011 42 21 06 -24.6 -27.0 29.01 5 7 2 213 -006 081084086 M21M20M20 012 45 21 09 -25.6 -28.1 29.04 6 10 360 211 002 080085084 M22M21M20 006 48 21 12 -26.6 -29.1 29.04 6 11 355 206 006 079080084 M23M22M21 006 51 21 15 -27.1 -29.7 29.07 7 12 5 216 -004 079067082 M23M22M21 004 54 21 18 -27.2 -29.6 29.09 7 12 12 223 002 080056079 M23M22M22 002 57 21 21 -27.6 -29.9 29.08 7 12 14 225 002 081054081 M23M22M21 001 60 22 00 -28.1 -30.5 29.08 6 11 17 228 002 080065084 M23M22M21 001 63 22 03 -28.4 -30.4 29.07 5 8 24 235 001 083069081 M22M21M21 000 66 22 06 -27.5 -29.5 29.06 4 6 42 253 -007 083072073 M22M21M21 000 69 22 09 -26.9 -29.1 29.02 4 5 76 287 -003 081074066 M21M21M21 000 72 22 12 -27.0 -29.1 28.96 5 4 100 311 -004 083074060 M21M20M20 000 75 22 15 -28.1 -30.1 28.93 6 7 90 301 -010 083068058 M20M20M20 000 78 22 18 -27.3 -29.5 28.88 6 6 90 301 -009 082062058 M20M20M20 000 81 22 21 -26.0 -28.1 28.81 5 6 112 323 -005 083059058 M20M19M19 000 84 23 00 -26.3 -27.7 28.76 6 7 104 315 -012 088058057 M19M19M19 000 87 23 03 -25.9 -26.8 28.71 5 6 96 307 -012 092056057 M19M18M19 000 90 23 06 -25.5 -26.3 28.67 5 5 111 322 -007 093056055 M19M18M18 000 93 23 09 -26.3 -27.0 28.62 6 6 104 315 -009 094056054 M19M18M18 000 96 23 12 -26.0 -27.3 28.59 5 5 97 308 -010 089053054 M18M18M18 000 99 23 15 -25.4 -27.4 28.58 5 5 102 313 -011 084052052 M18M18M18 000 102 23 18 -25.2 -27.6 28.58 5 5 99 310 -008 081051051 M18M18M18 000 105 23 21 -24.3 -27.4 28.58 4 4 108 319 -008 075050051 M18M18M18 000 108 24 00 -24.0 -27.2 28.59 4 4 106 317 -007 075049049 M18M18M18 000 111 24 03 -24.0 -27.1 28.61 4 4 111 322 -009 075050048 M18M18M18 000 114 24 06 -24.1 -27.2 28.64 4 4 98 309 -006 076049047 M18M18M18 000 117 24 09 -23.8 -27.3 28.65 3 4 68 279 -005 072048046 M18M17M18 000 120 24 12 -23.9 -28.1 28.67 2 4 24 235 -002 068050046 M18M18M18 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.