USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025091912 AMPS 8km 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 19 12 -21.1 -23.5 28.21 9 10 261 99 -014 079087086 M15M14M15 000 03 19 15 -22.9 -24.1 28.23 11 13 249 87 004 090093088 M15M15M15 000 06 19 18 -22.8 -24.7 28.26 10 11 255 94 011 084094087 M16M16M16 003 09 19 21 -22.7 -24.4 28.30 8 9 259 97 008 086093091 M17M17M17 001 12 20 00 -22.8 -24.9 28.36 11 15 262 101 -001 083089093 M17M17M17 001 15 20 03 -22.9 -25.0 28.44 9 13 270 108 006 083086093 M17M17M18 004 18 20 06 -25.1 -27.6 28.53 12 18 274 112 007 080088084 M19M19M19 006 21 20 09 -23.9 -28.6 28.65 11 17 272 110 000 065064087 M19M18M18 007 24 20 12 -24.5 -31.8 28.73 11 19 280 118 003 051055090 M19M18M19 003 27 20 15 -26.2 -29.3 28.85 9 14 282 121 -015 075042072 M21M21M21 001 30 20 18 -26.8 -28.5 28.91 10 16 301 139 -005 085053024 M21M21M21 000 33 20 21 -24.7 -26.8 28.98 11 18 293 131 -013 082066042 M20M20M20 000 36 21 00 -24.1 -25.7 29.03 8 12 297 135 -004 087074065 M20M20M20 000 39 21 03 -24.7 -29.5 29.06 8 11 299 138 001 064057070 M19M19M20 000 42 21 06 -25.7 -29.3 29.09 8 11 296 134 -002 072075075 M18M19M19 000 45 21 09 -25.2 -28.3 29.12 8 11 309 147 -006 076073086 M19M19M19 000 48 21 12 -24.9 -27.6 29.12 7 12 323 161 007 078056087 M19M19M19 001 51 21 15 -24.8 -26.9 29.13 6 14 355 193 -004 083056081 M20M19M19 002 54 21 18 -24.7 -27.0 29.12 5 14 40 239 -010 081069082 M20M20M20 006 57 21 21 -24.9 -27.4 29.10 6 15 61 260 -011 079084080 M20M20M20 011 60 22 00 -23.3 -25.5 29.07 6 14 70 269 -013 082084081 M20M19M19 026 63 22 03 -23.2 -25.3 29.04 8 18 70 269 011 083086079 M19M19M19 030 66 22 06 -22.9 -25.1 29.03 7 16 86 285 019 083086080 M18M19M19 034 69 22 09 -22.4 -24.7 28.99 7 14 111 309 005 082087082 M18M18M19 055 72 22 12 -22.1 -24.2 28.94 7 13 127 325 -010 083085083 M18M18M19 033 75 22 15 -22.4 -24.5 28.92 8 14 129 328 -023 083082083 M17M17M17 030 78 22 18 -24.7 -26.2 28.87 10 17 135 334 -014 087082082 M18M17M17 008 81 22 21 -24.4 -26.6 28.82 10 18 139 337 005 082086077 M18M17M17 000 84 23 00 -24.2 -27.1 28.79 12 21 144 342 -008 077077078 M18M17M17 000 87 23 03 -24.9 -27.8 28.73 13 23 148 347 -004 077066076 M18M17M16 000 90 23 06 -25.8 -28.5 28.71 13 22 153 351 -004 078058074 M18M17M17 000 93 23 09 -25.9 -28.6 28.67 12 20 159 358 -005 079055073 M18M17M17 000 96 23 12 -25.9 -28.5 28.64 12 18 165 3 -003 079056074 M18M17M17 000 99 23 15 -25.9 -28.5 28.64 11 17 166 4 -004 078057072 M17M17M17 000 102 23 18 -25.5 -28.5 28.64 10 15 172 11 -000 076055066 M17M17M17 000 105 23 21 -24.6 -27.6 28.64 10 14 175 13 -006 077053064 M17M17M17 000 108 24 00 -24.1 -26.9 28.66 9 13 172 11 -007 078051063 M17M17M17 000 111 24 03 -25.0 -27.6 28.68 9 11 179 18 -001 079050062 M17M17M17 000 114 24 06 -25.8 -28.0 28.71 8 11 185 23 -003 082052059 M18M17M17 000 117 24 09 -25.6 -27.5 28.73 7 9 183 21 -005 085054057 M18M17M17 000 120 24 12 -25.4 -27.0 28.75 6 8 184 22 003 087055054 M18M17M17 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.