USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092100 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 21 00 -22.8 -25.3 28.92 3 4 282 121 -005 075086081 M23M22M22 000 03 21 03 -24.8 -27.0 28.93 3 4 315 154 -005 082081081 M23M22M22 002 06 21 06 -25.5 -27.5 28.95 3 5 350 188 005 083079081 M23M22M22 001 09 21 09 -26.4 -29.3 28.97 4 7 318 156 -000 077067082 M23M22M22 002 12 21 12 -26.7 -31.5 28.96 4 5 298 137 -004 064051066 M23M22M22 000 15 21 15 -27.0 -31.7 28.95 2 3 313 151 -002 065049055 M23M23M23 000 18 21 18 -28.2 -32.0 28.96 4 6 337 175 005 070049040 M23M23M23 000 21 21 21 -26.7 -30.7 28.95 2 4 341 179 000 069052038 M23M22M22 000 24 22 00 -28.1 -30.1 28.91 5 9 88 286 -008 083049049 M23M22M22 000 27 22 03 -29.6 -31.3 28.88 7 13 120 319 -003 085057071 M23M21M21 000 30 22 06 -31.0 -33.3 28.83 10 18 132 331 002 081062071 M22M21M21 000 33 22 09 -30.5 -33.0 28.80 10 17 134 332 -004 079067073 M22M21M20 000 36 22 12 -29.5 -31.8 28.74 12 19 144 342 -011 081072073 M21M20M20 000 39 22 15 -28.6 -31.6 28.72 13 21 149 347 -006 076074072 M21M20M20 000 42 22 18 -28.9 -32.1 28.68 13 21 159 357 -014 074078069 M20M20M20 000 45 22 21 -27.7 -30.3 28.63 13 20 165 4 -013 079075083 M19M19M19 000 48 23 00 -26.8 -29.2 28.60 13 19 169 8 -014 080064077 M19M18M18 000 51 23 03 -27.5 -29.6 28.55 13 19 174 13 -007 082061072 M18M18M18 000 54 23 06 -28.3 -30.3 28.53 13 19 176 14 -007 083071060 M19M18M18 000 57 23 09 -26.6 -28.9 28.49 11 17 175 14 -015 081071062 M19M18M18 000 60 23 12 -25.9 -28.7 28.46 12 18 179 18 -003 078058061 M18M18M18 000 63 23 15 -25.1 -28.0 28.46 12 17 178 16 -001 077054060 M18M18M18 000 66 23 18 -23.7 -27.0 28.47 11 16 181 19 004 074057069 M18M17M17 001 69 23 21 -22.4 -25.7 28.47 10 16 170 8 008 075073083 M17M17M17 002 72 24 00 -22.3 -25.4 28.49 10 16 153 352 -006 076071084 M17M16M16 003 75 24 03 -22.2 -25.6 28.52 9 15 150 349 000 074079082 M16M15M15 001 78 24 06 -21.7 -24.0 28.57 9 15 144 342 012 082088086 M14M14M15 014 81 24 09 -20.9 -23.0 28.61 8 14 133 332 020 083089084 M15M14M15 026 84 24 12 -20.6 -21.5 28.65 6 9 131 329 017 093088080 M14M14M15 005 87 24 15 -17.9 -18.7 28.72 4 11 355 194 007 094078082 M13M14M15 002 90 24 18 -17.5 -18.0 28.78 5 12 341 180 044 096087082 M14M15M16 001 93 24 21 -16.6 -17.8 28.84 4 11 7 205 055 090085077 M14M15M16 000 96 25 00 -16.5 -17.9 28.88 4 9 66 265 068 088087075 M14M15M16 002 99 25 03 -17.6 -18.9 28.92 5 11 103 301 023 090088076 M14M15M16 020 102 25 06 -18.4 -19.4 28.96 5 10 131 329 -001 092084077 M14M15M16 001 105 25 09 -18.6 -19.6 28.98 4 9 130 329 -002 092081077 M14M15M16 000 108 25 12 -18.5 -19.6 29.00 3 5 195 33 -013 091079081 M14M15M16 000 111 25 15 -17.7 -19.3 29.02 3 3 243 81 002 087079079 M14M15M16 000 114 25 18 -17.9 -19.3 29.02 4 4 229 67 004 089076075 M14M15M16 000 117 25 21 -18.2 -19.8 29.00 6 6 210 48 -026 087072073 M14M15M15 000 120 26 00 -18.4 -19.9 28.98 7 8 195 34 -007 088077072 M14M15M15 001 * 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.