USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092100 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 00 -23.1 -25.2 28.90 3 4 279 118 -008 075090083 M23M23M22 000 01 21 01 -24.0 -26.4 28.91 3 4 268 107 012 081086082 M23M22M22 001 02 21 02 -24.5 -26.8 28.90 2 3 300 138 -003 081082083 M23M22M22 001 03 21 03 -24.8 -27.0 28.91 3 3 304 142 -008 082081081 M22M22M22 000 04 21 04 -25.1 -27.2 28.93 3 4 317 156 003 082081080 M22M22M22 000 05 21 05 -25.2 -27.2 28.92 3 5 326 164 -001 083080080 M22M22M22 000 06 21 06 -25.4 -27.4 28.94 3 6 339 177 007 084080081 M23M22M22 001 07 21 07 -25.8 -27.8 28.91 4 6 316 154 -001 083079083 M23M22M23 001 08 21 08 -25.8 -28.2 28.94 4 6 314 152 -003 080075084 M23M22M23 001 09 21 09 -26.3 -29.2 28.95 5 7 309 148 -001 076068084 M23M22M22 000 10 21 10 -26.2 -30.2 28.93 4 6 302 140 016 069062079 M23M22M22 000 11 21 11 -26.5 -31.0 28.94 4 6 315 153 -003 066055071 M23M22M22 000 12 21 12 -26.7 -31.6 28.94 4 5 289 128 -007 063051065 M23M22M22 000 13 21 13 -26.7 -32.0 28.96 4 4 265 104 006 061049061 M23M22M22 000 14 21 14 -26.9 -31.8 28.94 3 3 267 105 -001 063048058 M23M23M23 000 15 21 15 -27.0 -31.7 28.93 2 3 290 129 -003 064048053 M23M23M23 000 16 21 16 -27.2 -31.7 28.95 2 4 328 166 -001 065048049 M23M23M23 000 17 21 17 -27.7 -31.9 28.95 3 5 336 174 -002 068047045 M23M23M23 000 18 21 18 -28.2 -32.0 28.94 4 6 317 155 006 069046039 M23M22M23 000 19 21 19 -27.6 -31.9 28.95 5 5 286 125 -003 067047036 M22M22M23 000 20 21 20 -26.8 -31.3 28.92 4 4 292 131 -002 066050037 M23M23M23 000 21 21 21 -26.7 -30.7 28.93 3 5 315 153 005 069050038 M23M22M22 000 22 21 22 -26.8 -30.1 28.92 2 5 338 177 009 073049037 M23M22M22 000 23 21 23 -27.0 -29.9 28.89 2 5 67 265 002 076047038 M23M22M22 000 24 22 00 -27.9 -29.9 28.89 3 7 93 292 -011 083045050 M23M22M22 000 25 22 01 -28.6 -30.2 28.88 4 8 112 310 -016 086043067 M23M21M21 000 26 22 02 -29.0 -30.6 28.87 5 9 123 321 -010 086050073 M23M21M21 000 27 22 03 -29.5 -31.2 28.86 6 11 131 330 001 085058071 M23M21M21 000 28 22 04 -30.1 -31.7 28.85 7 12 135 333 -001 086061070 M22M21M21 000 29 22 05 -30.9 -32.7 28.84 8 14 141 339 -004 084063070 M22M21M21 000 30 22 06 -31.2 -33.4 28.82 10 17 140 339 003 081064071 M22M21M21 000 31 22 07 -31.2 -33.6 28.81 10 17 138 337 001 079065073 M22M21M21 000 32 22 08 -30.8 -33.3 28.79 9 17 137 335 -009 078067073 M22M21M21 000 33 22 09 -30.7 -33.1 28.79 9 16 140 339 -007 080067073 M22M21M20 000 34 22 10 -30.5 -32.7 28.76 11 17 148 346 -008 081070075 M22M20M20 000 35 22 11 -29.9 -32.0 28.74 11 18 148 347 -009 082071075 M21M20M20 000 36 22 12 -29.7 -31.9 28.73 12 19 149 348 -008 081073073 M21M20M20 000 37 22 13 -29.3 -31.8 28.71 13 20 151 349 -014 080075071 M21M20M20 000 38 22 14 -29.0 -31.7 28.70 13 21 152 350 -008 078076070 M21M20M20 000 39 22 15 -28.7 -31.7 28.70 13 21 154 352 -010 076076071 M21M20M20 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.