USAP Black Island (lat, lon) = (-78.127433, 166.14995) Forecast initialized at 2025092112 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 12 -24.1 -28.7 29.06 2 3 245 51 002 077067076 M19M18M18 000 01 21 13 -22.9 -26.4 29.05 4 4 302 109 008 073063079 M18M17M17 000 02 21 14 -23.9 -27.0 29.05 5 7 42 208 032 076063085 M19M17M17 002 03 21 15 -22.8 -25.8 29.03 6 8 52 218 082 077065090 M18M17M17 004 04 21 16 -21.5 -24.4 29.04 4 6 45 211 033 077065091 M18M17M17 004 05 21 17 -20.2 -23.1 29.02 3 5 12 178 -004 078054088 M18M18M17 005 06 21 18 -19.8 -23.2 29.04 5 7 34 200 020 075049088 M17M16M16 008 07 21 19 -19.2 -22.4 29.03 1 3 70 237 017 075062092 M18M17M17 007 08 21 20 -18.5 -21.4 29.01 3 4 47 213 079 078070086 M17M16M17 006 09 21 21 -18.5 -20.7 28.99 3 5 35 201 042 083081077 M16M17M18 004 10 21 22 -18.5 -20.5 29.01 3 4 348 154 -001 084082072 M17M17M17 003 11 21 23 -18.5 -20.7 29.02 2 3 351 157 -054 083084076 M17M17M18 001 12 22 00 -18.1 -20.8 29.02 1 3 332 138 011 079083077 M17M17M18 004 13 22 01 -18.6 -20.8 29.03 3 4 300 106 060 083086086 M17M18M18 006 14 22 02 -18.6 -20.6 29.01 4 3 222 28 095 085085075 M17M17M18 005 15 22 03 -19.3 -21.1 29.02 5 6 277 83 142 085081083 M17M17M18 004 16 22 04 -20.3 -21.8 29.04 4 6 299 105 038 089084083 M17M17M18 005 17 22 05 -20.8 -22.3 29.04 3 5 311 118 -047 089086087 M18M18M19 009 18 22 06 -20.2 -22.0 29.05 3 4 291 97 -002 086086077 M19M19M20 014 19 22 07 -20.9 -22.3 29.06 5 6 276 82 019 089082076 M18M18M19 005 20 22 08 -21.8 -23.0 29.05 4 5 300 106 -007 090084085 M19M18M19 001 21 22 09 -22.1 -23.6 29.06 3 6 29 196 -024 088087082 M19M19M20 005 22 22 10 -22.3 -23.7 29.06 4 5 340 147 009 088088086 M19M19M20 006 23 22 11 -21.7 -23.4 29.07 3 4 328 135 047 086085078 M19M19M20 008 24 22 12 -21.6 -23.4 29.06 3 5 326 132 025 086088083 M19M20M21 003 25 22 13 -21.3 -23.0 29.08 3 4 289 95 006 087086082 M19M20M21 004 26 22 14 -20.9 -22.5 29.09 4 5 264 70 026 087087082 M19M20M21 005 27 22 15 -21.6 -23.1 29.09 4 5 228 35 -032 088082076 M19M19M20 003 28 22 16 -21.5 -23.4 29.08 6 7 208 14 -041 085078074 M19M19M20 001 29 22 17 -21.6 -23.4 29.08 4 5 211 17 -030 085077080 M19M19M20 000 30 22 18 -22.3 -23.9 29.09 4 5 292 99 009 087078079 M19M19M20 000 31 22 19 -22.0 -23.7 29.08 4 5 282 88 007 087081077 M19M20M21 000 32 22 20 -21.6 -23.5 29.07 4 13 274 81 -005 085077085 M19M19M20 001 33 22 21 -21.1 -23.3 29.08 7 15 253 59 073 083078084 M19M19M21 003 34 22 22 -20.3 -22.9 29.05 10 26 230 36 019 080076082 M19M20M21 001 35 22 23 -19.7 -22.5 29.06 5 5 229 35 027 079080083 M19M20M21 001 36 23 00 -18.9 -21.9 29.07 1 1 10 176 -008 077082089 M18M19M20 001 37 23 01 -20.1 -22.5 29.05 3 5 35 202 084 082079078 M19M19M20 001 38 23 02 -19.5 -21.9 29.03 2 5 55 222 098 081080083 M19M19M20 000 39 23 03 -18.9 -21.0 29.00 1 4 6 172 063 083078074 M18M19M20 001 * 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.