USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092800 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 28 00 -30.5 -34.6 28.78 3 4 273 111 -005 071073043 M28M27M26 000 03 28 03 -31.9 -34.4 28.79 3 4 353 191 -005 078075047 M28M27M26 000 06 28 06 -33.2 -35.4 28.82 3 4 1 199 -008 080077045 M29M27M26 000 09 28 09 -31.2 -33.3 28.83 3 5 184 22 -012 082069044 M27M26M25 000 12 28 12 -33.4 -35.7 28.84 5 8 138 336 005 080049044 M28M25M24 000 15 28 15 -33.5 -37.2 28.86 7 10 170 9 -009 069054049 M26M24M22 000 18 28 18 -32.1 -34.4 28.90 10 13 190 29 -001 080066056 M23M22M20 000 21 28 21 -31.2 -34.2 28.90 15 19 211 49 -008 075058047 M21M19M18 000 24 29 00 -30.5 -34.0 28.91 16 20 217 56 -015 072050045 M21M18M17 000 27 29 03 -30.6 -34.0 28.91 18 21 233 71 -002 072044042 M20M16M16 000 30 29 06 -30.0 -33.9 28.91 17 20 243 81 007 068037040 M19M15M14 000 33 29 09 -27.9 -32.9 28.90 14 20 248 87 -022 062027036 M18M14M13 000 36 29 12 -25.8 -29.4 28.89 14 20 253 92 -024 072055030 M17M15M14 000 39 29 15 -22.4 -24.3 28.88 13 23 249 88 019 084095031 M16M16M14 003 42 29 18 -23.4 -25.0 28.86 16 21 240 79 034 086094048 M16M15M14 004 45 29 21 -24.6 -26.6 28.84 17 21 232 71 054 083084069 M18M15M14 003 48 30 00 -24.1 -26.1 28.82 15 22 233 71 034 084075084 M19M16M15 004 51 30 03 -28.4 -31.0 28.80 11 14 230 69 004 079070060 M23M19M17 001 54 30 06 -31.5 -34.5 28.78 10 10 219 57 -043 075063066 M25M22M18 000 57 30 09 -33.1 -36.3 28.78 8 11 192 31 -049 074073080 M28M24M20 000 60 30 12 -32.8 -35.5 28.75 8 9 206 44 -041 077083085 M26M23M20 000 63 30 15 -32.7 -35.5 28.75 9 11 232 71 -051 076083085 M25M22M20 001 66 30 18 -30.6 -33.0 28.76 6 6 260 99 -061 079080076 M24M22M19 000 69 30 21 -28.7 -31.7 28.75 5 6 303 141 -034 076067062 M24M21M19 000 72 01 00 -29.4 -32.2 28.76 8 13 329 167 -025 077073048 M23M20M18 000 75 01 03 -29.3 -31.8 28.77 9 15 315 153 -011 080079059 M20M18M17 000 78 01 06 -30.8 -32.6 28.79 9 16 313 151 -003 085088058 M21M19M18 001 81 01 09 -30.5 -31.6 28.82 8 12 323 161 -006 090071039 M20M19M19 000 84 01 12 -29.0 -29.8 28.82 7 13 329 167 -015 093084053 M20M20M20 000 87 01 15 -28.4 -29.4 28.84 5 13 360 198 025 091092055 M21M20M20 002 90 01 18 -29.2 -30.4 28.86 5 15 22 220 -020 089087057 M22M21M20 003 93 01 21 -27.3 -28.6 28.86 7 15 345 183 -015 089087081 M20M19M19 001 96 02 00 -26.0 -27.4 28.87 6 15 18 216 -002 089091088 M20M19M19 002 99 02 03 -26.9 -28.2 28.87 5 15 37 236 045 089091087 M20M19M18 004 102 02 06 -27.0 -28.0 28.87 6 17 50 248 066 092092086 M20M19M19 011 105 02 09 -27.5 -28.4 28.88 5 24 40 238 011 091094086 M19M19M19 014 108 02 12 -27.7 -28.4 28.88 7 26 21 219 036 093092079 M20M19M19 010 111 02 15 -28.9 -29.8 28.90 8 27 5 204 041 092088065 M20M19M19 004 114 02 18 -27.9 -28.9 28.92 9 28 2 200 073 092091078 M20M19M19 004 117 02 21 -26.8 -28.3 28.94 7 27 17 215 056 088088078 M20M19M20 005 120 03 00 -25.0 -26.3 28.94 5 15 54 252 050 089085064 M19M18M18 004 * 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.