USAP Black Island site lat/lon = (-78.1274,166.1499) cell lat/lon = (-78.1146,166.1538) Forecast initialized at 2025-09-21/00 UTC MPAS cell scale: 2.4 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 21 00 -18.7 -22.2 29.04 2 2 171 337 -003 87 87 90 -18-18-19 000 1 21 01 -19.5 -21.6 29.06 4 5 345 151 -013 100 91 87 -17-19-20 003 2 21 02 -20.4 -22.3 29.06 9 22 20 186 -011 101 99 83 -18-19-20 000 3 21 03 -19.5 -21.2 29.05 7 20 240 46 007 103109 77 -18-19-19 000 4 21 04 -22.4 -23.3 29.06 6 15 308 114 000 114 99 91 -19-18-17 000 5 21 05 -22.4 -22.5 29.09 5 6 306 112 000 117 99 98 -19-19-18 001 6 21 06 -22.2 -22.2 29.11 2 3 252 58 -001 121 93101 -19-18-18 002 7 21 07 -22.4 -22.4 29.09 1 4 50 216 001 120 95104 -19-18-19 001 8 21 08 -22.9 -23.9 29.11 3 9 67 233 -001 108101103 -19-19-19 002 9 21 09 -21.3 -23.0 29.09 3 7 88 254 -002 103 98101 -19-19-19 005 10 21 10 -20.5 -22.4 29.10 3 5 99 265 -005 100 95101 -18-18-19 008 11 21 11 -22.7 -23.9 29.08 1 4 344 150 -002 110 97108 -18-18-18 004 12 21 12 -23.5 -23.9 29.08 5 8 69 235 -001 110 90106 -18-18-18 001 13 21 13 -23.6 -23.6 29.07 3 6 65 231 -006 125 88101 -19-17-18 001 14 21 14 -22.7 -22.8 29.06 1 6 322 128 -006 124 84 99 -18-17-17 000 15 21 15 -22.2 -22.3 29.05 2 7 358 164 -006 124 75108 -18-16-16 001 16 21 16 -22.7 -22.8 29.05 3 6 356 162 -014 124 78106 -18-17-17 003 17 21 17 -23.6 -23.7 29.05 4 6 25 191 -006 126 73105 -18-16-16 001 18 21 18 -22.5 -22.6 29.05 2 6 355 161 -002 124 82112 -18-16-16 007 19 21 19 -20.9 -22.5 29.04 0 5 1 167 000 107 89115 -17-16-16 016 20 21 20 -20.4 -21.7 29.03 2 4 319 125 -005 109 90114 -16-16-16 019 21 21 21 -20.4 -22.4 29.02 2 5 4 171 -005 103 93112 -16-15-16 028 22 21 22 -20.1 -22.4 29.01 3 4 343 149 -010 101 92111 -16-15-16 026 23 21 23 -16.9 -19.4 29.00 2 13 266 72 -021 95103121 -15-16-17 021 24 22 00 -16.1 -18.4 29.01 3 14 222 28 -017 97 95118 -15-15-16 029 25 22 01 -16.3 -18.6 29.01 3 16 248 54 -006 97108113 -15-15-16 013 26 22 02 -15.9 -18.6 29.02 4 20 243 50 -017 93103105 -15-16-17 012 27 22 03 -15.4 -17.9 29.01 4 28 204 10 003 93106119 -16-16-18 008 28 22 04 -15.0 -18.1 29.01 24 38 181 347 -008 87 96106 -15-17-17 018 29 22 05 -15.5 -18.4 29.03 17 36 164 330 -015 89 98 79 -16-17-18 015 30 22 06 -16.0 -19.7 29.03 21 40 146 312 -023 84 95 80 -16-17-18 012 31 22 07 -15.5 -19.7 29.04 27 43 169 335 -068 80 88 73 -16-17-17 011 32 22 08 -15.9 -20.1 29.03 32 47 171 337 -105 80 90 65 -17-17-17 007 33 22 09 -16.4 -20.8 29.05 22 40 153 319 -044 80 91 77 -17-18-18 005 34 22 10 -17.7 -22.3 29.03 39 49 178 344 -009 79 64 57 -18-16-17 003 35 22 11 -17.6 -22.4 29.04 42 50 180 346 -002 77 72 61 -17-17-18 001 36 22 12 -16.4 -20.8 29.08 32 39 184 350 -007 80 89 79 -17-18-19 002 37 22 13 -18.0 -21.8 29.10 33 40 181 348 000 86 96 72 -19-19-19 004 38 22 14 -17.8 -22.1 29.10 32 41 182 348 -002 81 89 66 -18-19-20 003 39 22 15 -18.0 -22.1 29.11 31 38 180 346 -009 83 84 72 -18-19-20 002 40 22 16 -17.9 -22.3 29.12 27 31 188 354 -011 80 93 78 -18-20-20 001 41 22 17 -17.2 -21.4 29.11 30 40 181 347 -007 81 74 70 -17-18-19 000 42 22 18 -21.4 -22.7 29.14 5 22 259 65 -016 108100 97 -18-19-21 000 43 22 19 -22.2 -25.0 29.15 8 18 60 226 012 97111103 -20-20-21 002 44 22 20 -22.8 -25.6 29.14 10 10 55 221 005 98 98111 -21-20-21 006 45 22 21 -22.4 -24.7 29.13 6 7 49 216 -006 101 94103 -20-20-21 005 46 22 22 -21.7 -24.0 29.12 4 4 55 222 -005 101 92102 -20-20-20 003 47 22 23 -20.9 -23.3 29.11 5 5 34 201 -008 100 85 98 -19-19-20 001 48 23 00 -20.4 -22.9 29.09 2 6 4 171 -005 99 91109 -19-19-19 002 49 23 01 -18.6 -21.9 29.08 1 12 303 109 -016 91 93 99 -18-19-19 002 50 23 02 -19.0 -21.6 29.07 2 4 346 152 -010 97 97105 -18-19-20 004 51 23 03 -19.0 -20.5 29.05 4 9 330 137 -010 107 98 94 -18-19-20 004 52 23 04 -20.1 -21.1 29.03 4 9 318 124 -003 112 95 87 -18-18-19 002 53 23 05 -19.2 -20.3 29.02 1 7 23 189 -001 109 95 93 -18-18-18 003 54 23 06 -19.1 -20.1 29.00 2 3 76 242 -001 108 97 93 -18-18-18 002 55 23 07 -20.1 -20.9 28.98 6 7 80 247 -004 108 93 90 -18-18-18 000 56 23 08 -20.9 -20.9 28.96 6 7 92 258 -007 113 79 76 -17-17-18 000 57 23 09 -20.0 -20.9 28.95 8 8 103 269 000 97 75 74 -17-17-18 000 58 23 10 -20.3 -20.7 28.93 7 7 115 281 -001 97 63 73 -16-17-17 000 59 23 11 -19.4 -21.1 28.92 5 5 140 306 000 92 64 70 -16-16-17 000 60 23 12 -23.9 -23.9 28.92 7 7 193 359 000 124 62 70 -16-16-17 000 61 23 13 -21.1 -23.5 28.92 5 5 149 315 002 86 58 52 -15-16-17 000 62 23 14 -20.6 -24.1 28.90 4 4 307 113 -004 82 50 43 -16-16-17 000 63 23 15 -20.4 -23.1 28.90 2 7 283 89 003 85 49 42 -18-17-17 000 64 23 16 -21.6 -22.1 28.89 4 6 285 91 -006 108 47 43 -18-17-17 000 65 23 17 -26.4 -26.4 28.90 1 4 343 149 -001 128 59 44 -17-17-17 000 66 23 18 -25.0 -27.7 28.91 4 7 58 224 005 91 49 47 -18-18-18 000 67 23 19 -26.1 -29.0 28.91 9 15 90 257 -007 84 56 42 -19-19-19 000 68 23 20 -24.6 -29.1 28.92 7 9 97 263 -002 69 59 42 -19-19-19 000 69 23 21 -23.2 -28.8 28.92 5 7 111 277 -003 65 76 41 -18-19-19 000 70 23 22 -22.4 -29.2 28.92 3 5 83 249 -007 63 65 39 -19-20-21 000 71 23 23 -24.3 -29.3 28.93 1 13 346 152 -019 77 57 40 -19-20-19 000 72 24 00 -21.0 -28.8 28.93 12 32 201 7 -017 56 38 39 -17-18-18 000 73 24 01 -16.6 -29.3 28.94 23 34 190 356 -011 37 43 39 -17-18-18 000 74 24 02 -17.1 -28.6 28.95 22 32 193 359 -026 41 44 41 -17-18-18 000 75 24 03 -16.9 -27.5 28.97 18 36 191 357 -034 45 33 42 -16-16-18 000 76 24 04 -15.8 -30.2 28.98 24 32 168 335 -021 32 34 46 -15-17-18 000 77 24 05 -20.2 -27.7 29.00 11 21 208 14 -041 62 40 44 -18-17-17 000 78 24 06 -19.4 -26.8 29.01 11 13 199 5 -016 60 40 42 -18-17-17 000 79 24 07 -21.7 -28.5 29.02 6 20 211 17 -017 60 45 42 -16-17-17 000 80 24 08 -26.2 -26.5 29.03 5 7 317 123 003 113 48 41 -18-18-18 000 81 24 09 -24.4 -25.9 29.03 3 5 281 87 -003 104 48 41 -18-18-18 000 82 24 10 -25.5 -27.2 29.03 5 11 277 83 -020 95 49 39 -18-18-17 000 83 24 11 -21.1 -27.3 29.04 2 5 250 56 -015 65 48 44 -19-18-17 000 84 24 12 -21.0 -28.2 29.06 1 5 87 254 -016 58 47 46 -18-18-18 000 85 24 13 -21.8 -28.3 29.06 3 4 97 263 -014 63 42 46 -17-17-18 000 86 24 14 -20.8 -28.6 29.06 1 6 101 268 -008 54 41 43 -16-17-18 000 87 24 15 -21.6 -28.9 29.06 6 8 180 346 -001 54 41 44 -16-17-18 000 88 24 16 -21.3 -28.3 29.07 3 4 139 305 012 59 41 46 -16-17-18 000 89 24 17 -21.6 -28.0 29.07 10 35 177 343 007 53 37 51 -15-16-17 000 90 24 18 -18.6 -27.4 29.08 14 29 170 336 004 51 35 49 -14-16-17 000 91 24 19 -19.2 -26.2 29.10 5 13 148 314 -004 58 34 56 -15-16-17 000 92 24 20 -23.8 -26.8 29.11 5 5 30 196 -030 88 33 45 -16-16-17 000 93 24 21 -21.2 -27.4 29.13 1 5 38 205 -002 66 39 49 -18-16-17 000 94 24 22 -20.0 -27.5 29.14 1 12 216 22 -011 58 39 49 -18-16-17 000 95 24 23 -17.8 -25.5 29.16 16 25 195 1 013 56 40 58 -16-16-17 000 96 25 00 -16.6 -27.9 29.17 27 34 191 357 -006 43 51 57 -17-18-19 000 97 25 01 -16.9 -28.6 29.20 17 28 179 345 000 40 41 61 -16-17-18 000 98 25 02 -18.8 -24.9 29.21 12 13 204 10 001 69 45 65 -16-16-17 000 99 25 03 -21.3 -26.0 29.23 3 3 297 103 -002 78 48 70 -16-17-18 000 100 25 04 -21.7 -25.6 29.24 5 7 282 89 -005 86 49 72 -17-17-18 000 101 25 05 -20.9 -25.7 29.25 0 4 348 155 -009 78 53 69 -17-17-18 000 102 25 06 -21.7 -26.0 29.26 6 6 187 353 008 73 54 77 -17-17-18 000 103 25 07 -21.8 -26.6 29.28 8 9 184 350 011 64 57 75 -18-18-19 000 104 25 08 -19.8 -26.2 29.27 5 5 131 297 000 61 55 72 -16-17-17 000 105 25 09 -19.4 -25.9 29.27 4 6 140 306 005 61 54 67 -16-17-17 000 106 25 10 -19.1 -25.5 29.28 5 5 144 310 006 61 53 66 -16-17-17 000 107 25 11 -17.4 -24.4 29.29 3 7 132 298 009 61 47 76 -16-16-17 000 108 25 12 -18.4 -24.9 29.31 2 2 121 288 005 64 49 83 -16-16-17 000 109 25 13 -20.8 -25.1 29.30 5 5 99 265 006 75 47 71 -15-16-17 000 110 25 14 -18.4 -24.1 29.31 5 5 127 293 003 65 49 68 -16-16-17 000 111 25 15 -20.5 -24.6 29.31 3 3 114 280 000 78 52 66 -16-17-17 000 112 25 16 -22.7 -22.7 29.31 2 2 83 250 004 124 49 68 -16-16-17 000 113 25 17 -23.3 -23.3 29.31 4 4 79 245 005 123 50 80 -15-16-17 000 114 25 18 -25.5 -25.5 29.30 4 4 29 195 000 121 49 71 -15-16-16 000 115 25 19 -23.2 -23.3 29.32 2 4 171 337 -012 115 52 65 -18-17-17 000 116 25 20 -20.1 -23.6 29.30 2 4 81 247 -007 81 34 75 -17-16-16 000 117 25 21 -21.9 -24.0 29.30 3 3 84 250 -001 95 37 73 -17-16-16 000 118 25 22 -26.2 -26.2 29.30 4 6 23 189 001 127 39 68 -16-15-17 000 119 25 23 -21.9 -22.9 29.30 6 6 133 299 003 96 41 70 -18-17-17 000 120 26 00 -24.2 -24.7 29.29 2 3 122 288 002 116 36 63 -17-16-17 000 * 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.