USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025092600 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 26 00 -27.0 -32.8 28.52 4 5 22 233 -001 058047043 M24M21M20 000 03 26 03 -32.2 -35.3 28.53 11 19 22 233 -003 074067049 M25M23M22 000 06 26 06 -34.4 -37.1 28.57 13 23 33 244 -001 076067051 M25M22M22 000 09 26 09 -34.8 -37.5 28.61 13 24 40 251 -001 076070053 M25M22M22 001 12 26 12 -34.6 -37.3 28.62 13 24 40 251 002 076070055 M25M22M21 001 15 26 15 -35.0 -37.8 28.67 12 24 38 249 -008 076066055 M25M22M21 000 18 26 18 -33.6 -36.3 28.69 12 22 38 249 -014 077066054 M24M22M21 000 21 26 21 -32.2 -34.8 28.70 11 20 37 248 -012 078068052 M24M21M20 000 24 27 00 -31.2 -33.6 28.70 10 17 46 257 -017 079061051 M22M20M19 000 27 27 03 -30.8 -33.3 28.72 9 17 46 257 -028 078057051 M21M19M19 000 30 27 06 -30.4 -33.0 28.71 8 14 48 259 -020 078053052 M21M19M18 000 33 27 09 -28.1 -31.3 28.70 5 7 39 249 -006 074053050 M20M19M19 000 36 27 12 -26.2 -29.8 28.70 3 5 4 215 -001 072055050 M21M19M18 000 39 27 15 -26.4 -29.4 28.70 3 6 354 205 004 076058052 M21M19M19 000 42 27 18 -28.9 -30.6 28.73 5 9 350 201 -000 085068056 M21M20M19 000 45 27 21 -28.3 -29.8 28.76 6 8 28 239 -002 086072057 M21M20M19 000 48 28 00 -28.9 -31.1 28.77 7 11 41 252 -001 081064058 M21M20M19 000 51 28 03 -29.0 -31.1 28.81 7 9 57 268 -002 082069059 M21M20M20 000 54 28 06 -29.2 -31.6 28.82 7 8 67 278 004 080060053 M21M20M20 000 57 28 09 -30.3 -33.8 28.83 7 10 59 270 -003 072049053 M21M19M19 000 60 28 12 -28.9 -32.7 28.81 6 7 60 271 -008 070048049 M20M19M18 000 63 28 15 -26.6 -31.0 28.81 5 5 138 349 -005 066046047 M20M18M18 000 66 28 18 -27.8 -32.2 28.78 6 8 149 360 -002 066040039 M18M17M16 000 69 28 21 -27.2 -31.2 28.74 8 10 174 25 002 069037044 M18M16M15 000 72 29 00 -25.2 -29.5 28.70 7 8 181 32 003 067043053 M17M15M14 000 75 29 03 -25.7 -30.0 28.70 5 6 174 25 -002 067052062 M18M16M15 000 78 29 06 -23.9 -28.7 28.73 2 4 46 257 -003 064054061 M19M16M15 000 81 29 09 -25.7 -29.4 28.75 3 5 11 222 -019 071054056 M18M16M14 000 84 29 12 -25.3 -29.2 28.77 3 3 91 302 -006 070054052 M20M16M14 000 87 29 15 -26.4 -30.0 28.79 4 5 86 297 017 072050045 M20M16M13 000 90 29 18 -26.8 -30.3 28.79 6 8 56 267 -004 072046048 M20M15M12 000 93 29 21 -25.0 -28.7 28.76 5 5 88 299 011 071044045 M19M15M12 000 96 30 00 -24.8 -28.6 28.73 6 11 88 299 001 071047040 M18M14M12 000 99 30 03 -23.3 -26.8 28.70 8 13 103 314 -007 073046047 M17M14M13 000 102 30 06 -21.6 -25.2 28.65 11 22 109 320 003 073040049 M14M13M13 000 105 30 09 -22.4 -25.3 28.58 11 20 124 335 008 078053059 M14M14M14 000 108 30 12 -24.5 -26.8 28.53 13 26 97 308 -015 081053061 M14M14M15 000 111 30 15 -24.9 -28.4 28.52 17 31 98 309 -016 072047036 M17M16M16 000 114 30 18 -24.6 -28.8 28.50 24 41 98 309 -106 068028024 M19M15M13 000 117 30 21 -23.2 -27.6 28.50 20 34 95 305 -059 068028030 M15M11M10 000 120 01 00 -22.0 -26.5 28.51 16 28 97 308 004 067032033 M13M11M10 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.