USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092112 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 21 12 -25.2 -29.4 28.92 3 4 16 214 005 065083077 M24M23M23 000 01 21 13 -28.5 -31.0 28.94 3 4 306 145 015 079083079 M23M23M23 000 02 21 14 -28.7 -31.2 28.93 4 4 286 124 -000 079078079 M24M23M24 000 03 21 15 -28.8 -31.9 28.93 6 6 264 102 -001 075072081 M24M24M24 000 04 21 16 -28.5 -31.4 28.93 6 6 238 76 -003 077071075 M24M24M24 000 05 21 17 -28.2 -31.0 28.95 5 5 234 72 -007 077071066 M24M24M24 000 06 21 18 -28.1 -30.7 28.94 3 3 230 69 -008 078071053 M24M23M24 000 07 21 19 -28.0 -30.6 28.92 5 5 227 66 -007 078071044 M23M23M24 000 08 21 20 -28.6 -31.2 28.94 7 7 215 53 -000 079071040 M23M23M24 000 09 21 21 -27.8 -30.7 28.92 5 5 198 37 003 076074041 M24M24M24 000 10 21 22 -27.9 -30.8 28.93 4 5 174 12 -005 077077041 M24M23M24 000 11 21 23 -28.1 -30.2 28.88 4 5 175 13 -009 082079042 M24M23M23 000 12 22 00 -27.9 -29.5 28.88 5 6 161 360 -004 086079043 M23M23M23 000 13 22 01 -29.1 -30.5 28.88 5 7 144 343 -000 088078044 M24M23M23 000 14 22 02 -29.8 -31.9 28.87 5 8 142 340 -000 082070045 M24M23M23 000 15 22 03 -30.4 -33.9 28.88 4 8 130 329 -005 072062045 M24M23M23 000 16 22 04 -31.3 -33.5 28.87 5 9 128 326 -009 081058045 M24M22M22 000 17 22 05 -31.4 -33.1 28.84 5 10 133 332 -004 085055043 M24M22M22 000 18 22 06 -31.2 -32.7 28.82 5 11 137 336 -005 087053043 M24M22M21 000 19 22 07 -32.3 -33.5 28.81 7 13 141 339 -013 089051043 M24M22M21 000 20 22 08 -33.3 -34.7 28.80 9 15 142 341 -008 087053045 M24M22M21 000 21 22 09 -33.6 -35.1 28.79 10 17 146 344 -000 086053046 M24M22M21 000 22 22 10 -33.3 -34.8 28.77 11 18 151 350 -005 087054047 M24M22M21 000 23 22 11 -32.8 -34.3 28.74 11 18 158 356 -010 086053047 M23M22M21 000 24 22 12 -32.3 -33.9 28.73 12 18 161 359 -003 086055047 M23M22M21 000 25 22 13 -32.2 -34.5 28.72 12 18 161 359 -008 080054047 M23M21M21 000 26 22 14 -32.2 -35.6 28.71 12 18 161 359 -007 072051048 M23M21M21 000 27 22 15 -31.9 -35.4 28.70 12 19 162 360 -005 071050049 M23M21M20 000 28 22 16 -31.6 -34.4 28.67 12 19 164 3 -002 076046049 M22M21M20 000 29 22 17 -31.2 -33.6 28.67 13 19 169 7 -012 079043048 M22M21M20 000 30 22 18 -30.9 -33.5 28.65 13 19 173 11 -013 078039046 M22M21M20 000 31 22 19 -30.8 -33.6 28.63 13 19 175 14 -015 077036044 M22M21M21 000 32 22 20 -30.6 -33.5 28.61 12 19 176 14 -006 075034044 M22M21M21 000 33 22 21 -30.2 -33.4 28.60 12 18 177 15 -005 074032043 M22M21M21 000 34 22 22 -29.9 -33.3 28.59 12 18 179 17 -002 073031042 M21M21M21 000 35 22 23 -29.7 -33.1 28.58 12 18 180 18 003 072030040 M21M21M21 000 36 23 00 -29.5 -33.0 28.58 12 18 182 20 -007 072029038 M21M21M21 000 37 23 01 -29.2 -32.9 28.56 12 17 183 22 -009 071028036 M21M21M21 000 38 23 02 -29.4 -33.0 28.54 13 17 189 28 -012 071028035 M21M20M21 000 39 23 03 -29.6 -33.1 28.52 13 17 193 32 -011 071027034 M20M20M21 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.