USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025073012 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 30 12 -29.2 -36.0 28.26 10 12 113 324 -004 061037031 M25M21M20 000 03 30 15 -35.3 -38.8 28.21 13 25 102 313 016 071045032 M28M24M22 000 06 30 18 -35.6 -39.7 28.13 12 23 115 326 015 066040028 M30M26M23 000 09 30 21 -38.3 -42.5 28.03 9 19 110 321 -010 065034021 M31M27M25 000 12 31 00 -39.6 -43.5 27.99 8 13 54 265 -001 067049022 M32M28M25 000 15 31 03 -40.5 -43.9 27.96 11 18 55 266 009 070071042 M31M27M25 000 18 31 06 -41.9 -45.4 27.98 12 18 49 260 -015 069064048 M33M28M26 000 21 31 09 -42.4 -46.0 28.01 11 17 42 253 -017 068063046 M34M30M28 000 24 31 12 -43.2 -46.7 28.02 10 18 42 253 -010 068067039 M34M31M28 000 27 31 15 -42.5 -45.8 28.07 10 16 46 257 -008 070072044 M34M31M29 000 30 31 18 -42.0 -45.2 28.12 11 18 34 245 -001 071051047 M33M29M27 000 33 31 21 -42.0 -45.4 28.18 12 24 18 229 -004 070039049 M34M30M27 000 36 01 00 -42.4 -45.8 28.26 12 24 10 221 -019 069044038 M35M31M29 000 39 01 03 -42.3 -45.5 28.35 9 18 32 243 -015 071053039 M34M33M31 000 42 01 06 -42.3 -45.5 28.43 12 22 53 264 -022 071049034 M33M31M30 000 45 01 09 -42.0 -45.3 28.48 12 22 56 267 -020 070046048 M31M30M29 000 48 01 12 -40.5 -44.0 28.48 12 22 69 280 -018 069042044 M29M28M27 000 51 01 15 -36.6 -40.9 28.44 15 26 77 288 -034 065035045 M25M23M23 000 54 01 18 -31.5 -35.6 28.41 16 30 74 285 014 067047072 M21M20M20 000 57 01 21 -29.7 -32.2 28.35 13 22 78 289 -005 079074073 M18M18M19 001 60 02 00 -26.4 -27.7 28.25 12 19 93 304 -004 089071077 M17M17M18 003 63 02 03 -25.2 -27.6 28.11 14 24 78 289 -096 080082071 M19M19M20 009 66 02 06 -26.9 -28.4 28.02 14 27 59 270 -006 087077067 M19M19M19 002 69 02 09 -24.3 -26.3 27.99 15 34 52 263 -050 084079076 M19M17M18 027 72 02 12 -21.2 -23.6 27.98 25 45 43 254 -092 081081078 M19M19M20 042 75 02 15 -22.6 -25.2 28.00 25 44 35 246 -189 079076070 M19M20M21 020 78 02 18 -23.5 -26.0 28.06 21 40 22 233 -171 080080069 M21M21M22 013 81 02 21 -29.7 -32.4 28.12 18 34 351 202 -111 078075037 M27M25M23 008 84 03 00 -32.9 -36.0 28.19 17 32 350 201 -032 074070036 M31M28M26 003 87 03 03 -34.6 -37.9 28.27 14 24 0 211 043 073072056 M33M32M30 003 90 03 06 -36.3 -39.5 28.34 13 25 20 231 040 072070056 M33M33M33 003 93 03 09 -37.8 -41.1 28.37 13 25 37 248 020 071069060 M33M33M33 002 96 03 12 -38.7 -41.8 28.38 12 25 49 260 005 072062063 M33M32M31 000 99 03 15 -39.4 -42.4 28.39 9 20 47 258 -009 073068064 M32M32M32 000 102 03 18 -37.6 -40.3 28.40 7 13 38 249 -011 076064061 M31M31M31 000 105 03 21 -38.2 -41.0 28.42 8 15 23 234 -002 076066066 M31M31M31 000 108 04 00 -37.2 -40.1 28.43 8 15 34 245 006 074071072 M30M30M31 001 111 04 03 -37.5 -40.5 28.42 10 18 47 258 -000 074071072 M30M29M29 003 114 04 06 -38.0 -40.7 28.41 8 16 52 263 -022 076070074 M29M28M28 000 117 04 09 -36.0 -38.2 28.36 6 7 67 278 -013 080071070 M28M28M28 000 120 04 12 -34.5 -36.5 28.29 4 5 136 347 -011 082069062 M28M28M27 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.