USAP Black Island (lat, lon) = (-78.127433, 166.14995) Forecast initialized at 2025092100 AMPS 2p67km 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 21 00 -18.9 -22.8 29.03 3 4 179 345 -005 074071072 M19M19M20 000 01 21 01 -19.5 -22.5 29.05 4 10 330 136 -176 077070069 M18M19M20 002 02 21 02 -21.5 -23.7 29.04 4 7 26 192 104 082068075 M19M19M19 000 03 21 03 -21.3 -23.6 29.03 5 9 335 141 -009 082076064 M19M20M20 000 04 21 04 -21.4 -23.5 29.06 6 7 284 91 -013 084076066 M20M20M20 000 05 21 05 -20.6 -23.0 29.04 4 5 259 65 028 081071070 M19M19M19 000 06 21 06 -20.3 -22.8 29.08 2 3 239 45 -024 081072072 M19M19M20 000 07 21 07 -20.3 -22.8 29.07 1 3 301 107 -043 081075075 M19M19M20 000 08 21 08 -22.3 -23.6 29.09 3 6 53 220 003 090076069 M20M20M20 000 09 21 09 -21.9 -23.7 29.07 4 6 71 237 -005 086074071 M19M19M20 000 10 21 10 -21.9 -23.7 29.08 4 5 59 225 015 085075073 M19M19M19 000 11 21 11 -21.5 -23.2 29.06 4 5 67 233 -004 086080079 M19M19M19 001 12 21 12 -21.2 -21.9 29.07 4 5 62 228 036 095091085 M19M19M19 001 13 21 13 -20.8 -20.5 29.05 4 6 60 226 033 103094086 M18M19M19 002 14 21 14 -20.4 -20.2 29.03 4 6 59 225 013 103094078 M18M19M19 002 15 21 15 -20.2 -20.1 29.04 4 7 52 218 063 101091083 M18M19M19 002 16 21 16 -19.7 -20.0 29.04 4 6 55 222 103 098085089 M18M18M18 003 17 21 17 -19.8 -20.2 29.02 5 7 53 219 084 097077089 M18M18M17 003 18 21 18 -19.6 -20.0 29.05 4 6 65 231 -025 097080092 M18M18M18 004 19 21 19 -18.5 -19.6 29.04 2 4 85 251 005 092080091 M17M18M18 010 20 21 20 -17.7 -19.3 29.01 1 2 75 241 -046 088080092 M17M17M17 011 21 21 21 -17.2 -19.0 29.02 2 2 121 287 047 086079093 M17M17M17 008 22 21 22 -16.7 -19.0 29.01 2 3 39 206 084 083073092 M16M16M16 011 23 21 23 -15.4 -18.6 28.99 4 5 101 267 087 077078094 M15M16M17 005 24 22 00 -18.2 -19.8 28.98 18 29 207 14 071 087078078 M16M16M17 002 25 22 01 -14.7 -19.3 28.98 29 37 187 353 -043 068055079 M14M15M16 001 26 22 02 -15.3 -19.2 28.99 35 45 178 344 117 072054066 M15M16M17 000 27 22 03 -15.4 -20.0 29.00 36 44 175 341 041 068064067 M16M16M17 000 28 22 04 -16.1 -19.7 29.02 31 37 176 342 134 074068073 M16M17M17 000 29 22 05 -16.2 -20.5 29.03 34 41 177 343 010 070065073 M16M17M17 001 30 22 06 -16.7 -20.9 29.02 33 39 176 343 -008 070063073 M17M17M17 000 31 22 07 -17.4 -21.4 29.04 32 40 178 344 026 071065069 M18M18M18 001 32 22 08 -17.8 -22.3 29.05 32 38 179 345 027 068067072 M18M19M19 001 33 22 09 -18.1 -22.7 29.06 32 38 179 346 016 067065068 M18M19M19 000 34 22 10 -18.2 -23.2 29.07 31 36 181 347 012 065066066 M18M19M20 000 35 22 11 -18.1 -23.2 29.08 30 34 180 347 023 064070065 M18M19M20 000 36 22 12 -18.1 -23.1 29.10 26 31 181 348 006 065075070 M18M20M21 000 37 22 13 -18.2 -23.2 29.09 23 29 184 350 027 065074065 M19M20M21 000 38 22 14 -19.3 -23.3 29.10 15 21 196 2 061 071074059 M19M20M21 000 39 22 15 -21.5 -24.3 29.11 11 22 221 27 105 078077061 M20M20M22 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.