USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025092100 AMPS 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 21 00 -18.0 -20.2 28.77 6 7 324 175 001 083083080 M19M19M19 000 03 21 03 -22.0 -24.0 28.80 6 8 321 172 021 083083084 M21M20M20 010 06 21 06 -24.7 -27.2 28.83 9 13 355 206 -014 080081083 M22M21M21 014 09 21 09 -27.4 -29.7 28.85 9 16 1 212 -002 081078082 M23M21M21 002 12 21 12 -27.6 -30.1 28.87 8 14 6 217 -008 079080086 M23M22M22 003 15 21 15 -28.1 -30.7 28.89 9 14 15 226 010 079080082 M24M22M23 010 18 21 18 -28.7 -31.1 28.91 8 12 20 231 011 080079082 M23M23M23 001 21 21 21 -27.8 -30.2 28.90 7 11 23 234 -007 080079078 M24M23M23 002 24 22 00 -27.6 -30.0 28.88 6 8 58 269 -002 080080078 M24M24M24 003 27 22 03 -28.7 -30.8 28.86 9 13 74 285 -006 082077075 M23M23M23 000 30 22 06 -29.2 -31.1 28.82 10 16 81 292 -007 084075073 M22M22M22 000 33 22 09 -28.8 -30.4 28.79 10 15 87 298 -018 086066049 M22M22M22 000 36 22 12 -28.9 -30.6 28.72 10 15 89 300 -003 085053041 M21M21M21 000 39 22 15 -28.4 -30.9 28.69 10 15 83 294 -010 079039044 M20M20M21 000 42 22 18 -29.0 -31.2 28.64 10 14 85 296 -015 081049058 M20M20M21 000 45 22 21 -27.5 -30.7 28.58 9 13 94 305 -006 074059055 M20M20M20 000 48 23 00 -26.5 -31.0 28.54 8 11 92 303 -013 066056052 M19M19M20 000 51 23 03 -25.8 -29.2 28.49 7 9 96 307 -011 073052049 M18M19M19 000 54 23 06 -26.6 -29.6 28.46 8 10 98 308 -012 076048047 M18M18M18 000 57 23 09 -25.8 -29.3 28.42 8 10 90 301 -013 072043048 M17M17M18 000 60 23 12 -25.1 -29.2 28.39 7 9 87 298 -010 069042049 M16M17M17 000 63 23 15 -24.0 -28.8 28.38 7 9 87 298 -005 065040047 M16M16M17 000 66 23 18 -22.8 -28.1 28.40 7 8 91 302 -009 062039045 M15M15M16 000 69 23 21 -21.5 -26.7 28.41 6 8 102 313 -008 063040044 M15M15M16 000 72 24 00 -21.1 -25.8 28.45 6 8 83 294 -011 066043044 M14M15M15 000 75 24 03 -19.4 -25.1 28.49 4 4 60 271 -006 060041045 M14M14M15 000 78 24 06 -19.2 -25.2 28.55 3 5 6 217 -003 059040046 M14M14M15 000 81 24 09 -19.4 -25.2 28.59 4 7 354 205 -002 060042052 M14M14M15 000 84 24 12 -19.3 -24.1 28.64 6 8 6 217 -006 066062075 M14M14M14 000 87 24 15 -19.5 -22.4 28.70 7 10 11 222 005 078075072 M13M14M15 000 90 24 18 -19.0 -20.5 28.75 6 9 12 223 -003 088079073 M13M14M15 000 93 24 21 -17.7 -19.3 28.80 6 8 14 225 -008 087076073 M13M14M15 000 96 25 00 -17.9 -19.3 28.84 4 6 15 226 -004 089080074 M13M14M15 000 99 25 03 -17.3 -18.7 28.87 1 2 43 254 -006 089079071 M13M14M15 000 102 25 06 -18.4 -18.9 28.90 3 3 128 339 -006 096076066 M14M14M15 000 105 25 09 -18.8 -19.3 28.92 4 5 143 354 -005 096075066 M14M14M15 000 108 25 12 -20.5 -20.4 28.91 6 8 167 17 -002 101071064 M14M14M15 000 111 25 15 -23.0 -23.4 28.93 8 11 171 22 -013 097072061 M14M14M14 000 114 25 18 -22.9 -23.7 28.90 8 12 185 36 -008 093069055 M15M14M14 000 117 25 21 -22.9 -24.6 28.87 8 10 170 21 -003 086036041 M15M14M14 000 120 26 00 -23.4 -27.8 28.83 8 10 110 321 -010 067029025 M15M14M14 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.