USAP Black Island (lat, lon) = (-78.127433, 166.14995) Forecast initialized at 2025092900 AMPS 0p89km 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 29 00 -20.8 -27.1 29.29 5 6 5 172 068 066040018 M19M18M18 000 01 29 01 -20.4 -27.3 29.30 6 7 92 258 -081 054041018 M18M17M17 000 02 29 02 -19.7 -26.2 29.26 2 5 61 227 -169 056036022 M17M17M16 000 03 29 03 -19.6 -25.2 29.25 3 6 55 221 -045 061036028 M17M16M16 000 04 29 04 -18.7 -23.8 29.28 2 5 67 233 -036 064045027 M17M16M16 000 05 29 05 -18.0 -21.8 29.26 1 4 81 247 -004 072053032 M16M16M16 000 06 29 06 -18.4 -20.1 29.26 2 2 201 7 -064 087069038 M17M17M17 000 07 29 07 -20.5 -22.6 29.27 4 4 176 342 -019 083079047 M18M18M17 000 08 29 08 -22.1 -23.7 29.26 1 3 47 214 -029 087077053 M18M18M18 000 09 29 09 -21.5 -23.7 29.26 1 3 357 163 -018 082079057 M18M18M17 000 10 29 10 -21.1 -23.5 29.25 1 3 283 89 -044 081075059 M18M18M17 000 11 29 11 -20.8 -23.5 29.23 1 4 20 187 -021 079071056 M18M17M17 000 12 29 12 -20.7 -23.1 29.22 2 5 81 247 -025 081065051 M18M17M17 000 13 29 13 -20.5 -22.2 29.22 3 6 76 243 -037 087061050 M18M17M17 000 14 29 14 -20.5 -20.7 29.22 3 6 71 237 -056 099057050 M17M17M17 000 15 29 15 -20.5 -20.2 29.22 3 6 60 226 -039 103050051 M17M17M17 000 16 29 16 -20.8 -20.0 29.23 3 6 71 237 007 107044051 M17M17M17 000 17 29 17 -20.7 -20.2 29.20 3 5 75 241 004 105040047 M17M17M17 000 18 29 18 -20.4 -20.5 29.22 1 2 285 91 -038 099048040 M17M17M17 000 19 29 19 -21.6 -22.2 29.23 3 3 168 334 030 095057035 M19M18M17 000 20 29 20 -21.0 -21.5 29.22 4 4 153 319 013 096056030 M18M18M18 000 21 29 21 -20.4 -22.0 29.23 4 4 168 334 -010 087049032 M18M17M17 000 22 29 22 -20.6 -22.6 29.23 1 1 161 327 -014 084049032 M18M18M17 000 23 29 23 -20.9 -23.6 29.22 1 2 19 185 019 079040025 M18M17M17 000 24 30 00 -20.5 -24.5 29.23 1 2 320 126 -004 070024020 M17M16M16 000 25 30 01 -20.3 -25.8 29.22 1 6 350 156 -008 062024024 M17M16M16 000 26 30 02 -19.7 -25.9 29.21 2 3 314 120 -011 058031029 M17M17M16 000 27 30 03 -19.8 -25.6 29.19 4 11 286 93 -026 060031037 M17M16M16 000 28 30 04 -19.2 -27.5 29.20 6 9 273 79 -022 048035067 M16M16M16 000 29 30 05 -17.2 -27.8 29.18 4 4 260 66 -020 039034070 M15M16M16 000 30 30 06 -17.4 -27.8 29.18 5 7 280 86 -027 040036068 M15M16M17 000 31 30 07 -18.0 -27.2 29.18 5 6 271 78 044 045044069 M16M16M17 000 32 30 08 -18.7 -24.5 29.17 7 9 269 75 -056 060039062 M16M16M17 000 33 30 09 -17.8 -22.6 29.15 6 8 269 75 -231 066041065 M15M15M17 000 34 30 10 -17.4 -21.5 29.15 4 6 284 90 -125 071049067 M15M15M16 000 35 30 11 -16.9 -20.8 29.14 4 5 245 51 -192 072049065 M14M15M16 000 36 30 12 -17.3 -20.4 29.13 7 7 233 39 019 077061070 M14M15M16 000 37 30 13 -16.1 -20.1 29.12 5 8 175 341 -054 071056073 M14M15M16 000 38 30 14 -16.6 -20.3 29.13 5 6 217 23 -023 074058078 M14M15M15 000 39 30 15 -15.9 -19.9 29.11 5 7 270 76 -225 072055067 M14M14M15 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 1h) 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.