USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092712 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 27 12 -31.5 -36.3 28.71 8 9 233 71 -017 069070063 M28M26M25 000 03 27 15 -35.9 -39.0 28.70 11 13 245 83 018 074056062 M28M27M27 000 06 27 18 -35.2 -38.0 28.77 8 10 239 77 -008 075067051 M28M28M28 000 09 27 21 -31.7 -34.2 28.80 1 2 291 129 005 079076039 M29M29M28 000 12 28 00 -31.6 -34.1 28.82 2 3 263 102 004 078076041 M29M28M27 000 15 28 03 -31.8 -34.2 28.84 2 5 82 280 -002 080072045 M29M28M27 000 18 28 06 -32.7 -34.9 28.84 2 2 307 145 -014 081063052 M29M27M25 000 21 28 09 -33.9 -36.0 28.85 6 7 190 28 -010 081052055 M27M25M24 000 24 28 12 -34.1 -37.1 28.86 7 11 164 2 -007 075061056 M26M24M22 000 27 28 15 -33.6 -36.8 28.88 10 14 175 14 003 073057062 M24M22M21 000 30 28 18 -32.3 -35.0 28.90 14 19 200 39 -007 077065048 M21M20M19 000 33 28 21 -31.3 -34.4 28.89 18 23 214 52 -030 075054046 M21M17M17 000 36 29 00 -30.8 -34.0 28.88 19 22 226 64 -002 074045047 M20M16M15 000 39 29 03 -30.3 -33.9 28.87 20 23 240 79 -017 071035040 M19M15M13 000 42 29 06 -30.5 -33.7 28.87 21 25 242 81 -033 073028034 M19M14M13 000 45 29 09 -27.9 -30.3 28.83 21 28 242 80 033 080040025 M18M14M12 000 48 29 12 -26.4 -28.1 28.80 20 27 244 82 055 086057023 M16M13M12 000 51 29 15 -23.8 -25.3 28.80 20 29 234 73 073 088084053 M16M14M14 003 54 29 18 -22.5 -24.0 28.78 17 26 234 73 089 088089064 M15M14M15 006 57 29 21 -24.5 -26.4 28.76 14 21 244 82 050 084079068 M17M15M16 004 60 30 00 -25.3 -27.6 28.77 9 15 250 88 018 081083082 M21M18M17 004 63 30 03 -28.9 -31.6 28.76 4 9 246 84 003 077087063 M24M21M18 001 66 30 06 -30.6 -33.3 28.76 3 3 174 12 -003 077073059 M26M23M20 001 69 30 09 -33.1 -35.7 28.74 4 9 125 323 -005 078071057 M26M22M20 000 72 30 12 -32.5 -34.9 28.72 4 7 152 351 -011 079082061 M27M24M21 001 75 30 15 -32.4 -34.7 28.71 5 8 153 351 -015 080080062 M26M22M20 001 78 30 18 -31.3 -33.6 28.71 4 5 170 8 -005 081080063 M25M22M20 001 81 30 21 -30.6 -33.1 28.70 3 6 125 324 -009 079084064 M25M22M19 001 84 01 00 -30.4 -32.9 28.70 2 7 49 248 -018 079078065 M24M21M19 001 87 01 03 -29.4 -32.1 28.70 2 3 238 76 -007 078078063 M25M22M19 000 90 01 06 -30.5 -33.0 28.72 2 2 232 70 -007 079078061 M26M22M19 000 93 01 09 -31.7 -33.9 28.73 4 7 335 173 -008 081072062 M25M21M19 000 96 01 12 -33.1 -35.2 28.73 8 11 281 120 -009 081076061 M25M23M20 000 99 01 15 -33.1 -35.2 28.77 10 15 285 123 -020 081082062 M24M23M21 000 102 01 18 -31.6 -33.8 28.79 10 18 319 158 -021 081082077 M23M22M20 000 105 01 21 -29.6 -31.9 28.82 10 18 333 172 -022 080078063 M23M21M19 001 108 02 00 -28.6 -30.9 28.84 8 20 351 190 -048 081087051 M23M21M19 001 111 02 03 -29.1 -31.0 28.85 7 17 351 190 -024 083088048 M21M20M18 003 114 02 06 -28.7 -29.6 28.88 9 17 322 161 -015 092093060 M19M19M19 001 117 02 09 -28.0 -29.2 28.89 11 23 332 171 -020 089092084 M19M18M18 003 120 02 12 -28.3 -29.2 28.90 10 18 312 151 -004 092087069 M19M19M19 002 * 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.