USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092112 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 12 -25.0 -30.3 28.94 3 4 12 210 003 065078076 M23M23M23 000 03 21 15 -28.9 -31.8 28.96 4 6 274 112 001 076073079 M24M24M24 000 06 21 18 -28.2 -30.8 28.96 2 3 247 85 -004 079071058 M24M24M24 000 09 21 21 -28.0 -30.8 28.94 3 5 187 25 002 077074044 M24M24M24 000 12 22 00 -28.2 -29.7 28.90 4 6 139 338 -006 087078043 M24M23M23 000 15 22 03 -30.7 -34.0 28.89 5 10 115 314 -004 073062044 M24M23M23 000 18 22 06 -31.6 -33.1 28.84 6 13 125 324 -004 087055042 M24M22M22 000 21 22 09 -33.5 -35.0 28.81 10 18 139 337 000 086055044 M24M22M21 000 24 22 12 -32.2 -33.8 28.75 11 18 155 353 -005 086056045 M23M22M21 000 27 22 15 -31.9 -35.4 28.71 12 18 156 355 -006 071050046 M23M21M21 000 30 22 18 -31.0 -33.5 28.67 12 17 168 6 -014 079039043 M22M21M21 000 33 22 21 -30.2 -33.4 28.62 11 17 172 10 -005 074034041 M22M21M21 000 36 23 00 -29.5 -33.0 28.59 11 16 177 15 -007 072031037 M21M21M21 000 39 23 03 -29.7 -33.2 28.54 11 15 190 28 -010 072030033 M21M20M21 000 42 23 06 -31.7 -34.7 28.52 12 15 206 44 -003 075039030 M21M21M21 000 45 23 09 -31.9 -34.6 28.48 12 13 211 50 -006 077042025 M21M21M21 000 48 23 12 -31.9 -34.6 28.45 11 12 212 50 -006 078041027 M21M21M21 000 51 23 15 -31.7 -33.8 28.46 10 11 214 52 -011 082049030 M21M21M21 000 54 23 18 -31.3 -33.6 28.47 9 9 213 51 -011 080056030 M22M21M21 000 57 23 21 -29.9 -32.9 28.48 8 8 211 49 -007 075052031 M22M21M20 000 60 24 00 -28.5 -31.9 28.51 6 6 200 38 -006 073045027 M22M20M20 000 63 24 03 -28.9 -32.4 28.54 7 7 206 44 -008 072038026 M21M20M20 000 66 24 06 -28.6 -32.2 28.59 6 7 192 30 -009 071033035 M21M19M19 000 69 24 09 -27.7 -32.1 28.64 6 9 175 13 -007 066030046 M20M19M19 000 72 24 12 -28.0 -32.6 28.68 8 11 177 16 -008 065033063 M19M18M18 000 75 24 15 -27.8 -31.5 28.75 9 12 182 21 -004 071049079 M18M17M18 000 78 24 18 -26.2 -29.9 28.79 10 13 185 23 -004 071066081 M17M17M17 000 81 24 21 -25.3 -28.7 28.83 11 14 191 30 -020 073067076 M17M17M17 000 84 25 00 -25.6 -29.1 28.87 11 12 206 45 013 073067082 M16M16M16 000 87 25 03 -26.4 -30.5 28.91 12 13 220 59 -017 068059077 M17M16M17 000 90 25 06 -27.6 -31.9 28.94 13 13 238 76 -011 067042061 M18M16M17 000 93 25 09 -27.1 -31.8 28.95 12 12 251 89 -006 064030043 M17M17M17 000 96 25 12 -28.3 -32.1 28.95 14 16 256 95 -003 069033042 M18M17M17 000 99 25 15 -28.0 -32.3 28.95 14 16 261 99 -029 066032034 M18M17M17 000 102 25 18 -27.0 -31.5 28.94 13 18 272 111 -030 066033031 M18M17M17 000 105 25 21 -26.7 -29.8 28.93 14 20 270 108 -018 075035032 M18M16M17 000 108 26 00 -25.4 -28.1 28.92 13 17 265 103 007 079053035 M18M18M18 000 111 26 03 -26.8 -29.9 28.90 9 16 298 136 -023 075061060 M18M18M19 000 114 26 06 -28.6 -30.4 28.87 11 17 289 128 014 084075057 M19M19M20 000 117 26 09 -28.4 -29.9 28.86 7 9 286 124 014 086067069 M21M21M21 000 120 26 12 -27.5 -28.2 28.82 5 8 315 154 -001 094088066 M21M21M20 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.