USAP Black Island site lat/lon = (-78.1274,166.1499) cell lat/lon = (-78.1279,166.1590) Forecast initialized at 2026-10-17/00 UTC MPAS cell scale: 0.9 km 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) (*) 0 17 00 -10.7 -15.7 28.88 3 3 206 12 -002 68 71 59 -12-12-13 000 1 17 01 -11.1 -15.2 28.85 1 7 245 51 008 78 75 62 -11-12-13 000 2 17 02 -12.4 -15.1 28.84 4 4 28 194 009 90 63 62 -11-12-12 000 3 17 03 -12.9 -16.2 28.82 5 13 4 170 018 85 56 62 -10-11-12 000 4 17 04 -13.1 -16.1 28.80 4 5 327 133 006 87 63 66 -11-11-12 000 5 17 05 -12.3 -17.6 28.80 1 13 317 123 009 71 70 72 -12-13-14 000 6 17 06 -12.5 -17.3 28.79 0 16 57 223 -010 75 57 77 -12-14-14 000 7 17 07 -12.8 -19.6 28.77 10 21 171 337 -006 62 48 79 -12-13-13 000 8 17 08 -14.2 -20.8 28.75 13 18 194 0 -007 63 50 68 -12-13-14 000 9 17 09 -15.5 -20.3 28.73 7 24 174 340 -012 65 76 67 -12-13-14 000 10 17 10 -13.3 -22.5 28.71 25 31 178 344 -028 50 70 73 -12-13-14 000 11 17 11 -14.6 -22.4 28.70 23 33 185 351 -023 58 62 75 -14-14-14 000 12 17 12 -13.7 -23.7 28.68 28 37 176 342 002 47 49 50 -13-13-14 000 13 17 13 -13.1 -23.1 28.69 21 31 167 333 -022 47 46 82 -12-13-14 000 14 17 14 -12.9 -21.2 28.68 14 28 177 343 -010 54 51 86 -13-13-14 000 15 17 15 -15.0 -19.8 28.67 9 22 223 29 -008 75 60 80 -12-13-13 000 16 17 16 -15.3 -19.0 28.65 7 26 241 48 011 82 65 80 -12-12-13 000 17 17 17 -16.1 -18.9 28.64 8 21 266 73 005 83 73 82 -12-13-13 000 18 17 18 -17.5 -20.2 28.65 8 17 303 110 007 86 78 82 -13-13-13 000 19 17 19 -16.0 -19.8 28.62 8 16 322 129 -007 79 71 86 -12-12-12 000 20 17 20 -15.1 -19.2 28.61 10 14 313 119 -011 80 71 90 -12-12-12 000 21 17 21 -14.5 -18.2 28.59 7 12 326 132 002 82 65 93 -12-11-12 000 22 17 22 -13.9 -17.6 28.57 11 14 339 145 -006 84 68 84 -10-11-12 000 23 17 23 -12.3 -17.1 28.55 6 10 332 139 -012 77 79104 -11-11-12 000 24 18 00 -12.2 -15.8 28.52 5 18 4 170 010 84 73101 -10-10-11 002 25 18 01 -12.1 -16.2 28.54 10 15 266 72 -003 79 63101 -10-10-11 000 26 18 02 -8.3 -15.1 28.50 28 48 180 346 -045 61 70 87 -8 -9-11 000 27 18 03 -8.3 -13.8 28.50 38 42 175 341 004 69 54 72 -7 -8 -9 000 28 18 04 -8.0 -14.8 28.53 28 29 190 356 -005 62 68 87 -8 -9-10 000 29 18 05 -8.0 -12.4 28.49 42 49 176 342 -124 75 55 71 -8 -8 -9 001 30 18 06 -8.8 -11.2 28.51 36 51 181 347 -124 89 73 81 -9-10-11 002 31 18 07 -8.2 -11.5 28.49 39 53 183 349 -012 82 78 72 -8 -9-10 001 32 18 08 -8.1 -10.3 28.51 42 59 185 351 130 89 78 83 -8 -9-10 004 33 18 09 -7.7 -10.7 28.51 35 52 186 352 108 82 75 80 -7 -8 -9 004 34 18 10 -8.3 -10.5 28.51 40 56 182 348 004 89 93 68 -9-10-11 011 35 18 11 -8.2 -10.6 28.51 44 60 178 344 064 88 89 68 -9-10-10 015 36 18 12 -8.0 -10.0 28.53 35 53 180 346 082 90 90 71 -8 -9-10 016 37 18 13 -7.5 -9.3 28.55 38 54 182 348 060 92 96 71 -8 -9-10 011 38 18 14 -8.9 -11.0 28.56 45 59 182 348 088 92101 70 -10-11-12 025 39 18 15 -8.6 -12.0 28.57 43 60 184 350 045 82 85 81 -9-10-11 017 * 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.