USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092612 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 26 12 -20.1 -24.1 28.70 20 22 252 90 -038 078070051 M18M17M17 000 03 26 15 -22.2 -23.0 28.66 21 31 249 87 078 093084064 M19M19M18 001 06 26 18 -23.6 -25.8 28.72 21 28 259 98 092 082089086 M22M19M18 011 09 26 21 -25.9 -29.2 28.68 18 22 274 112 107 074085066 M20M17M17 013 12 27 00 -24.8 -28.3 28.69 19 24 273 112 111 073087071 M19M17M17 006 15 27 03 -25.3 -27.9 28.71 12 21 268 106 016 079086078 M20M18M18 003 18 27 06 -28.4 -30.9 28.70 10 15 267 105 -070 079071054 M22M20M20 001 21 27 09 -29.4 -32.1 28.72 9 12 268 106 013 078058043 M24M23M22 000 24 27 12 -30.6 -33.8 28.73 9 12 258 97 049 074050042 M25M24M23 000 27 27 15 -33.0 -36.1 28.77 11 13 243 81 -012 074058044 M26M24M23 000 30 27 18 -32.2 -35.2 28.80 8 10 238 76 -008 074072052 M26M25M24 000 33 27 21 -31.6 -34.7 28.84 6 9 257 96 -001 074076058 M27M26M25 000 36 28 00 -31.1 -34.2 28.86 4 6 287 126 002 074079057 M28M27M25 000 39 28 03 -31.1 -34.1 28.87 5 6 331 169 013 075078066 M28M26M25 000 42 28 06 -33.1 -35.6 28.87 4 5 313 151 -005 078077066 M28M26M25 000 45 28 09 -34.6 -37.2 28.88 5 6 322 160 -010 078074068 M28M26M25 000 48 28 12 -33.1 -35.5 28.87 3 3 240 79 -012 079077067 M28M26M25 000 51 28 15 -34.5 -36.9 28.91 6 8 174 12 -010 079074062 M27M25M24 000 54 28 18 -34.2 -37.0 28.93 11 14 192 31 -012 076063057 M26M25M23 000 57 28 21 -33.2 -36.3 28.95 13 15 211 49 -005 074059041 M24M23M21 000 60 29 00 -31.6 -34.4 28.95 16 21 212 51 -013 076039057 M22M19M19 000 63 29 03 -31.0 -33.7 28.96 18 21 232 71 -030 077053056 M21M18M17 000 66 29 06 -31.5 -34.3 28.97 19 22 240 78 -033 077044053 M21M17M16 000 69 29 09 -29.9 -32.9 28.94 20 24 243 81 -050 075045046 M20M16M15 000 72 29 12 -29.2 -31.6 28.94 20 24 248 87 -048 080038037 M19M16M14 000 75 29 15 -27.2 -30.0 28.93 16 20 254 92 -005 077051033 M17M16M15 000 78 29 18 -25.6 -29.0 28.92 15 18 251 89 -049 073085048 M16M15M15 000 81 29 21 -23.1 -24.9 28.90 14 21 237 76 -004 086097054 M17M16M16 004 84 30 00 -22.2 -23.9 28.87 16 20 241 79 -003 087095053 M16M15M15 004 87 30 03 -24.8 -26.9 28.84 18 23 241 79 013 083084051 M17M14M14 005 90 30 06 -24.9 -26.6 28.81 20 28 236 74 054 086075044 M18M16M15 001 93 30 09 -25.5 -27.3 28.76 19 25 237 76 068 085067045 M18M16M15 001 96 30 12 -25.8 -28.0 28.72 12 18 244 82 085 082075069 M19M17M16 001 99 30 15 -26.2 -28.7 28.69 8 12 243 81 006 080066049 M22M19M17 001 102 30 18 -26.5 -29.3 28.67 4 7 270 108 011 078064052 M24M21M18 000 105 30 21 -27.2 -29.8 28.63 3 3 347 185 -012 078066054 M25M21M19 000 108 01 00 -28.0 -30.7 28.63 3 3 3 201 -009 078073057 M26M23M20 000 111 01 03 -29.9 -32.7 28.62 4 5 359 198 -003 077074064 M26M23M20 000 114 01 06 -31.2 -34.0 28.63 4 6 323 161 -005 076075066 M26M23M21 000 117 01 09 -32.5 -35.1 28.66 5 8 353 192 -012 078073061 M26M22M20 000 120 01 12 -32.1 -34.6 28.67 5 9 341 179 -018 079071059 M24M21M19 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.