USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092612 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 26 12 -20.3 -23.0 28.69 23 24 249 87 -068 078071051 M19M18M18 000 01 26 13 -24.2 -26.5 28.66 21 29 255 94 141 081087054 M19M18M18 000 02 26 14 -23.5 -25.1 28.67 22 32 252 90 127 086083061 M19M18M18 000 03 26 15 -22.1 -23.0 28.64 23 35 246 85 101 093087063 M19M19M18 001 04 26 16 -21.7 -23.2 28.70 22 32 248 87 124 087096073 M20M19M18 003 05 26 17 -22.5 -24.1 28.70 23 32 253 91 157 086089082 M21M20M18 005 06 26 18 -23.7 -25.9 28.70 21 29 258 96 136 082090086 M22M19M18 004 07 26 19 -24.5 -27.4 28.69 20 27 263 102 145 077093086 M22M19M18 005 08 26 20 -25.4 -28.6 28.69 20 27 269 107 155 075093082 M22M18M17 005 09 26 21 -26.0 -29.3 28.67 18 24 274 113 147 074094063 M20M17M17 002 10 26 22 -25.0 -28.1 28.69 18 24 276 114 125 075093060 M19M17M17 002 11 26 23 -24.6 -27.9 28.69 18 25 274 113 103 074090068 M19M17M17 002 12 27 00 -24.8 -28.3 28.67 20 26 271 110 111 073089073 M19M17M17 002 13 27 01 -24.8 -27.9 28.67 21 26 264 103 102 075087069 M19M17M17 001 14 27 02 -24.6 -27.3 28.66 22 29 261 100 088 079084061 M18M17M17 001 15 27 03 -25.2 -27.8 28.69 13 22 264 102 056 079086075 M19M18M18 001 16 27 04 -26.8 -29.4 28.69 12 17 263 101 009 078089065 M20M19M18 001 17 27 05 -27.6 -30.2 28.69 13 17 261 99 -018 079074056 M20M19M19 000 18 27 06 -28.3 -30.8 28.67 13 17 258 97 -121 079065054 M21M19M19 000 19 27 07 -28.7 -31.2 28.68 12 15 258 96 -246 079059052 M21M20M20 000 20 27 08 -29.0 -31.7 28.69 11 14 257 96 -042 078059049 M22M21M21 000 21 27 09 -29.2 -31.9 28.70 12 14 256 94 087 077052044 M23M22M22 000 22 27 10 -29.7 -32.6 28.71 12 14 253 92 109 076047040 M23M22M22 000 23 27 11 -30.1 -33.2 28.69 11 14 253 92 171 075048042 M23M22M22 000 24 27 12 -30.4 -33.7 28.71 11 15 251 89 161 073045042 M23M23M23 000 25 27 13 -31.0 -34.4 28.72 11 14 247 85 110 073047041 M24M23M23 000 26 27 14 -32.0 -35.2 28.75 12 15 241 79 044 073050042 M24M23M23 000 27 27 15 -33.0 -36.1 28.75 13 16 239 77 002 073053044 M25M23M23 000 28 27 16 -33.3 -36.5 28.76 13 15 232 71 034 073060047 M25M24M24 000 29 27 17 -32.9 -36.0 28.78 12 13 231 69 019 074066050 M25M24M24 000 30 27 18 -32.1 -35.1 28.78 11 12 232 71 011 074071051 M25M25M24 000 31 27 19 -31.5 -34.6 28.79 10 11 236 75 -025 074074051 M25M25M25 000 32 27 20 -31.4 -34.5 28.79 10 11 241 79 -054 074075052 M25M25M25 000 33 27 21 -31.5 -34.6 28.81 9 11 245 84 -044 074076054 M26M26M25 000 34 27 22 -31.4 -34.6 28.82 9 11 247 85 -032 074077056 M26M26M25 000 35 27 23 -31.1 -34.2 28.83 9 11 248 86 005 074079055 M26M26M25 000 36 28 00 -31.0 -34.1 28.83 6 8 257 96 005 074081052 M26M27M25 000 37 28 01 -31.1 -34.1 28.85 4 4 331 170 -004 075076053 M28M26M24 000 38 28 02 -31.3 -34.4 28.84 5 7 320 158 016 074068065 M27M25M24 000 39 28 03 -31.1 -34.2 28.85 5 6 319 158 032 074079066 M27M26M24 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.