USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092200 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 22 00 -25.5 -29.8 28.86 2 3 83 281 006 073071073 M23M23M23 000 01 22 01 -28.4 -31.6 28.85 2 4 131 329 -000 074072073 M24M23M23 000 02 22 02 -28.6 -31.7 28.85 2 4 152 350 -000 075073072 M24M23M23 000 03 22 03 -29.0 -31.7 28.82 3 6 138 337 -008 077072074 M24M23M23 000 04 22 04 -30.2 -32.5 28.82 4 8 117 316 -009 080070072 M25M23M23 000 05 22 05 -30.9 -32.9 28.83 4 8 131 330 -000 083064071 M25M23M23 000 06 22 06 -31.1 -32.8 28.82 4 9 126 324 -010 084061071 M25M23M23 000 07 22 07 -31.7 -33.3 28.81 5 10 130 329 -002 086063069 M26M23M23 000 08 22 08 -31.6 -33.1 28.79 5 10 146 344 -007 086064065 M25M23M22 000 09 22 09 -32.5 -33.7 28.78 7 12 146 345 002 089069064 M25M23M23 000 10 22 10 -33.3 -34.7 28.77 8 14 149 348 -012 088072063 M25M23M23 000 11 22 11 -33.7 -35.1 28.75 9 15 149 348 -005 087073061 M25M23M23 000 12 22 12 -33.9 -35.5 28.73 10 16 151 350 -012 086071061 M25M23M23 000 13 22 13 -33.9 -35.6 28.69 11 18 160 358 -012 084069061 M25M23M23 000 14 22 14 -33.1 -35.1 28.69 12 19 171 9 -010 082065061 M24M23M22 000 15 22 15 -32.5 -34.6 28.70 13 20 172 10 -005 082056062 M24M23M22 000 16 22 16 -32.3 -34.6 28.70 13 21 173 11 -006 081043060 M24M23M22 000 17 22 17 -32.2 -34.8 28.67 13 21 171 9 -004 078043053 M24M23M22 000 18 22 18 -32.1 -35.0 28.66 13 20 171 9 -010 075043046 M24M23M22 000 19 22 19 -32.0 -35.0 28.64 13 20 174 12 -007 074040042 M24M23M22 000 20 22 20 -31.7 -34.9 28.62 13 19 179 17 -007 073040038 M24M23M22 000 21 22 21 -31.2 -34.5 28.62 13 19 183 21 -010 073038035 M23M23M22 000 22 22 22 -31.1 -34.6 28.59 14 20 185 24 -005 072040029 M23M22M22 000 23 22 23 -31.2 -34.8 28.59 14 20 186 24 -014 071048023 M23M22M22 000 24 23 00 -30.9 -34.6 28.59 13 20 186 24 -007 070051020 M23M22M22 000 25 23 01 -30.8 -34.5 28.57 13 19 183 21 001 070052019 M23M22M22 000 26 23 02 -30.7 -34.4 28.57 13 19 182 20 -000 070052020 M23M22M22 000 27 23 03 -30.8 -34.4 28.54 13 19 183 22 -009 071051022 M22M22M22 000 28 23 04 -30.9 -34.4 28.53 13 18 187 25 -009 072051023 M22M22M22 000 29 23 05 -31.1 -34.1 28.53 13 18 193 32 -003 075053022 M22M22M22 000 30 23 06 -31.2 -33.8 28.52 13 17 204 42 -006 078055021 M22M22M22 000 31 23 07 -31.4 -33.7 28.51 13 18 206 44 -006 080057021 M22M22M22 000 32 23 08 -31.6 -34.0 28.50 13 17 202 40 -007 080060022 M22M22M22 000 33 23 09 -31.2 -33.6 28.49 12 16 200 39 -009 080059024 M22M22M22 000 34 23 10 -30.9 -33.3 28.49 12 16 202 41 -001 080058024 M22M22M22 000 35 23 11 -30.7 -33.1 28.49 12 15 202 40 -002 079057025 M21M22M22 000 36 23 12 -30.9 -33.3 28.48 12 15 204 43 -006 079057026 M21M22M22 000 37 23 13 -31.0 -33.4 28.48 11 14 202 40 -004 079057027 M22M22M21 000 38 23 14 -31.0 -33.4 28.48 11 14 200 39 -005 079056028 M22M21M21 000 39 23 15 -31.1 -33.5 28.48 11 13 201 39 -006 079056029 M22M21M21 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.