USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092600 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 00 -24.0 -28.8 28.66 17 18 237 75 -048 067040027 M20M17M16 000 01 26 01 -25.5 -29.2 28.68 17 22 242 81 096 071033028 M18M16M14 000 02 26 02 -25.3 -29.0 28.65 18 22 244 83 074 071032029 M18M15M14 000 03 26 03 -25.4 -28.9 28.64 19 22 248 86 105 073032027 M18M16M15 000 04 26 04 -25.6 -28.9 28.66 18 23 245 84 023 074033024 M18M16M15 000 05 26 05 -26.2 -29.0 28.68 20 25 248 87 -012 077037021 M19M16M15 000 06 26 06 -26.3 -28.9 28.66 19 24 250 88 -050 079039022 M18M16M16 000 07 26 07 -25.7 -28.3 28.66 17 22 247 85 -113 079042027 M18M16M16 000 08 26 08 -25.3 -27.6 28.68 15 19 248 86 -221 081048041 M18M16M16 000 09 26 09 -25.0 -27.1 28.67 14 18 255 93 -223 082050053 M17M16M16 000 10 26 10 -24.5 -26.6 28.69 15 19 258 96 -146 083051052 M17M17M17 000 11 26 11 -24.7 -26.5 28.68 17 23 256 94 -093 085051050 M18M17M17 000 12 26 12 -24.4 -26.1 28.67 19 24 258 96 -006 086045046 M17M17M17 000 13 26 13 -24.2 -25.6 28.68 19 24 256 95 035 088051045 M18M17M17 000 14 26 14 -24.1 -25.9 28.68 19 25 258 96 074 085057044 M17M16M17 000 15 26 15 -24.1 -26.5 28.68 19 25 257 96 142 081066052 M17M16M16 000 16 26 16 -23.8 -26.3 28.69 20 27 259 97 137 080070068 M17M16M16 000 17 26 17 -23.9 -25.8 28.69 20 28 259 97 146 084075067 M18M16M16 000 18 26 18 -24.2 -26.5 28.69 21 29 257 96 168 081075063 M18M16M16 000 19 26 19 -24.0 -26.2 28.67 22 30 260 98 181 082072063 M18M17M17 000 20 26 20 -24.3 -26.4 28.68 19 28 265 103 222 082066065 M19M17M17 000 21 26 21 -25.5 -27.8 28.69 14 22 270 108 148 081056069 M21M18M17 000 22 26 22 -26.1 -28.6 28.69 15 20 268 106 150 080045064 M22M19M18 000 23 26 23 -26.3 -28.9 28.69 15 19 264 102 156 078046049 M21M19M19 000 24 27 00 -25.8 -28.7 28.70 15 19 266 104 144 077051052 M20M19M19 000 25 27 01 -24.6 -28.0 28.69 16 21 265 104 061 073064049 M20M19M19 000 26 27 02 -25.3 -28.4 28.70 10 18 276 115 -160 075074053 M20M20M20 000 27 27 03 -26.4 -29.1 28.70 5 11 329 167 -169 078082060 M20M20M21 000 28 27 04 -26.7 -29.0 28.70 6 10 331 170 -081 080085066 M21M21M21 000 29 27 05 -26.7 -28.7 28.70 5 8 336 175 006 084084067 M22M21M21 000 30 27 06 -26.5 -28.2 28.70 5 8 318 156 011 086085060 M22M21M21 000 31 27 07 -26.4 -28.1 28.69 5 6 298 136 001 086086058 M22M22M22 000 32 27 08 -27.2 -29.0 28.69 6 6 274 113 018 085085055 M22M21M21 001 33 27 09 -27.4 -29.3 28.68 7 7 265 103 017 084084048 M21M21M21 000 34 27 10 -27.6 -29.5 28.69 7 7 250 88 -009 084087046 M22M22M21 000 35 27 11 -27.4 -30.3 28.68 5 5 241 79 012 077085046 M24M22M21 000 36 27 12 -27.4 -30.9 28.70 4 4 240 79 -012 072075045 M23M22M21 000 37 27 13 -27.3 -30.5 28.70 3 3 243 82 -001 074068046 M23M22M21 000 38 27 14 -27.8 -30.6 28.70 4 4 236 74 006 077068048 M24M22M21 000 39 27 15 -30.0 -32.3 28.71 7 7 250 89 012 080068049 M24M22M21 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.