USAP Black Island (lat, lon) = (-78.127433, 166.14995) Forecast initialized at 2025092100 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 21 00 -19.4 -22.9 28.96 3 4 177 343 -040 073075076 M20M20M21 000 01 21 01 -20.1 -22.6 29.02 3 10 324 130 -308 080075066 M19M20M21 002 02 21 02 -22.0 -24.0 29.00 3 7 43 209 062 084066081 M19M19M19 000 03 21 03 -21.8 -23.7 29.00 6 14 350 156 -060 085079066 M20M20M20 000 04 21 04 -21.7 -23.5 29.03 6 7 273 79 -135 085076069 M20M20M20 000 05 21 05 -20.6 -23.0 29.00 4 4 251 57 006 081070072 M19M19M20 000 06 21 06 -20.4 -22.7 29.04 4 4 256 62 -072 082071073 M19M20M20 000 07 21 07 -20.5 -22.8 29.03 3 5 314 120 -158 082076076 M19M20M20 000 08 21 08 -22.1 -23.5 29.05 4 8 70 237 -059 089076068 M20M19M20 000 09 21 09 -21.8 -23.6 29.03 5 8 84 251 -106 086076071 M19M19M20 000 10 21 10 -21.4 -23.5 29.04 4 6 88 254 -044 083072077 M19M19M20 000 11 21 11 -20.9 -22.9 29.02 3 5 92 258 -116 085074084 M19M19M20 001 12 21 12 -20.8 -21.4 29.03 3 5 72 238 -074 095085090 M19M19M20 001 13 21 13 -20.4 -20.0 29.01 3 7 39 205 -034 104089089 M19M19M19 002 14 21 14 -20.2 -19.8 29.00 3 7 21 187 -084 104091077 M19M19M19 002 15 21 15 -20.1 -19.8 29.00 3 8 26 192 -013 103085087 M19M19M19 002 16 21 16 -19.6 -19.8 29.00 3 5 56 223 084 099079093 M18M18M18 003 17 21 17 -19.6 -19.8 28.99 4 7 41 207 095 098069091 M18M18M18 004 18 21 18 -19.4 -19.6 29.01 3 6 33 199 -025 098074096 M18M18M18 004 19 21 19 -18.3 -19.3 29.01 2 4 292 98 201 093077095 M18M18M18 010 20 21 20 -17.6 -19.1 28.98 2 3 209 15 113 088080097 M18M18M18 012 21 21 21 -17.1 -18.9 28.98 1 2 203 9 064 086076098 M17M17M17 009 22 21 22 -16.6 -18.9 28.97 2 5 323 129 150 082073093 M16M16M17 011 23 21 23 -15.6 -18.7 28.96 8 9 124 290 428 077084097 M16M17M18 005 24 22 00 -18.9 -20.1 28.95 15 33 212 18 351 090084075 M17M17M18 002 25 22 01 -15.0 -19.5 28.95 32 43 183 350 198 069058085 M15M16M17 001 26 22 02 -15.7 -19.4 28.94 40 53 178 344 105 073053064 M16M16M17 000 27 22 03 -15.7 -20.2 28.96 39 48 176 342 025 068067074 M16M17M18 000 28 22 04 -16.5 -19.9 28.99 32 40 174 340 270 075073077 M17M18M18 000 29 22 05 -16.5 -20.7 28.99 37 44 178 344 -047 070070076 M17M18M18 001 30 22 06 -17.1 -21.2 28.99 34 41 177 343 014 070068077 M18M18M18 000 31 22 07 -17.8 -21.6 29.00 34 43 179 345 065 072069067 M19M19M19 001 32 22 08 -18.1 -22.5 29.01 34 40 180 346 062 069072073 M19M20M19 001 33 22 09 -18.5 -23.0 29.02 34 42 180 347 091 068069065 M19M20M20 000 34 22 10 -18.6 -23.5 29.03 33 38 181 347 142 065071062 M19M20M20 000 35 22 11 -18.4 -23.5 29.04 32 36 180 347 144 065075062 M19M20M21 000 36 22 12 -18.5 -23.4 29.06 27 32 181 347 -076 065080067 M19M21M22 000 37 22 13 -18.6 -23.4 29.05 24 32 184 350 012 066079062 M19M21M22 000 38 22 14 -18.7 -22.9 29.06 25 31 187 353 061 069080055 M19M21M22 000 39 22 15 -22.1 -24.5 29.07 13 24 232 38 260 081083057 M20M21M22 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.