USAP Black Island site lat/lon = (-78.1274,166.1499) cell lat/lon = (-78.1279,166.1590) Forecast initialized at 2026-10-17/12 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 12 -17.3 -22.9 28.72 7 7 173 339 000 55 40 50 -14-14-14 000 1 17 13 -19.6 -23.7 28.71 12 18 217 23 -014 75 45 53 -14-14-15 000 2 17 14 -17.4 -23.8 28.70 2 9 220 26 -007 62 41 67 -14-13-14 000 3 17 15 -17.3 -24.6 28.69 7 24 202 9 -001 53 41 73 -12-13-14 000 4 17 16 -17.5 -24.0 28.68 5 15 248 54 005 60 38 77 -12-13-13 000 5 17 17 -17.9 -24.2 28.67 5 9 281 87 001 60 41 77 -12-13-13 000 6 17 18 -17.3 -24.3 28.67 5 7 305 112 002 56 44 83 -14-13-14 000 7 17 19 -17.4 -23.9 28.67 7 20 300 106 004 58 54 90 -13-13-14 000 8 17 20 -16.5 -22.3 28.67 7 9 244 50 001 60 69 88 -13-13-14 001 9 17 21 -15.2 -21.9 28.64 5 8 280 86 -007 60 70 85 -13-13-13 001 10 17 22 -14.7 -22.8 28.64 7 16 305 112 -005 56 76 86 -12-12-13 001 11 17 23 -14.1 -24.0 28.62 7 12 312 118 -014 48 74 90 -12-12-13 000 12 18 00 -14.1 -20.2 28.62 8 8 315 121 -004 69 78107 -12-12-13 000 13 18 01 -12.6 -18.0 28.61 6 15 297 103 -009 72 85 94 -11-11-12 001 14 18 02 -12.2 -16.6 28.60 7 11 322 129 -020 78 76105 -11-12-13 000 15 18 03 -12.3 -15.7 28.59 8 25 295 101 -022 83 71 95 -9-10-11 000 16 18 04 -12.8 -15.6 28.58 6 24 305 111 006 82 68 96 -9 -9-10 000 17 18 05 -12.7 -14.5 28.58 10 26 265 71 046 91 67101 -10-10-10 000 18 18 06 -12.8 -12.9 28.55 12 27 243 49 012 106 70 87 -8 -9-10 000 19 18 07 -11.2 -13.4 28.54 11 32 226 32 -007 87 69 89 -8 -9-10 000 20 18 08 -8.8 -14.0 28.54 16 41 204 10 -044 67 75 83 -7 -9-10 000 21 18 09 -7.2 -13.9 28.54 25 47 198 4 000 60 78 84 -7 -8 -9 001 22 18 10 -7.8 -10.9 28.55 23 49 198 4 086 81 87 85 -7 -8 -9 002 23 18 11 -7.2 -11.8 28.55 21 44 211 17 035 72 87 80 -7 -8 -9 001 24 18 12 -6.7 -10.9 28.54 34 51 201 7 067 75 81 84 -7 -8 -9 002 25 18 13 -7.0 -12.3 28.54 24 48 186 352 -003 68 78 78 -7 -8 -9 000 26 18 14 -8.5 -11.1 28.55 41 59 181 347 -080 86 69 71 -8 -9 -9 005 27 18 15 -8.5 -11.8 28.57 42 59 191 358 -085 82 76 79 -9-10-11 013 28 18 16 -8.8 -10.8 28.57 42 58 190 356 -030 91 91 81 -9-10-11 012 29 18 17 -8.6 -11.7 28.57 46 62 191 357 040 84 92 93 -9-11-12 013 30 18 18 -9.0 -12.5 28.58 49 64 191 357 185 82 94111 -10-11-12 005 31 18 19 -9.4 -12.6 28.62 45 63 188 354 -020 84 95 89 -10-11-13 004 32 18 20 -9.7 -13.2 28.63 45 63 187 354 -060 83 92 92 -10-12-13 015 33 18 21 -9.8 -12.9 28.65 45 63 190 356 -102 85 98 97 -11-12-13 023 34 18 22 -9.6 -13.5 28.66 47 65 188 354 -117 80 94100 -10-12-13 006 35 18 23 -9.5 -13.7 28.67 48 65 187 353 -036 78 89 93 -10-12-13 000 36 19 00 -9.2 -13.6 28.72 44 61 186 352 163 76 88 89 -10-11-13 000 37 19 01 -8.8 -13.3 28.73 42 61 187 353 101 76 87 88 -9-11-12 000 38 19 02 -8.4 -12.9 28.72 43 63 188 354 -305 75 85 83 -9-10-12 000 39 19 03 -8.1 -12.7 28.73 44 62 183 349 011 75 84 63 -9-10-12 000 * 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.