USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092200 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 22 00 -25.3 -30.6 28.88 2 3 88 286 003 073068072 M23M23M23 000 03 22 03 -29.1 -31.8 28.84 4 6 116 315 -008 078071074 M24M23M23 000 06 22 06 -31.2 -33.0 28.84 5 10 112 310 -011 084064070 M25M24M23 000 09 22 09 -32.5 -33.8 28.80 7 13 137 335 -000 088069063 M25M23M23 000 12 22 12 -33.8 -35.4 28.74 10 17 144 343 -013 086071061 M25M24M23 000 15 22 15 -32.6 -34.6 28.72 12 19 167 6 -003 082057061 M24M23M22 000 18 22 18 -32.2 -35.0 28.68 12 20 166 5 -010 076047045 M24M23M23 000 21 22 21 -31.3 -34.5 28.64 12 18 178 17 -010 073043032 M24M23M22 000 24 23 00 -31.0 -34.5 28.61 12 18 181 20 -006 071053018 M23M23M22 000 27 23 03 -30.9 -34.4 28.56 12 17 179 18 -009 071052020 M23M22M22 000 30 23 06 -31.3 -33.8 28.54 11 13 201 39 -006 078057021 M22M22M22 000 33 23 09 -31.3 -33.6 28.51 11 13 197 36 -009 080060025 M22M22M22 000 36 23 12 -30.9 -33.3 28.50 10 11 201 40 -007 080058026 M22M22M22 000 39 23 15 -30.8 -33.3 28.50 9 10 197 35 -007 079057028 M22M22M21 000 42 23 18 -31.5 -34.6 28.53 9 10 202 41 -006 075052029 M22M21M21 000 45 23 21 -30.1 -33.7 28.52 8 9 201 40 -009 071046033 M21M21M20 000 48 24 00 -28.6 -32.5 28.55 7 8 193 31 -013 069038036 M21M20M19 000 51 24 03 -28.0 -32.2 28.57 7 9 188 27 -011 067026039 M20M19M19 000 54 24 06 -27.9 -31.9 28.62 8 10 180 18 -011 068021046 M20M18M18 000 57 24 09 -27.5 -31.4 28.66 8 12 173 11 -017 070024054 M19M18M18 000 60 24 12 -27.7 -31.7 28.70 10 14 178 16 -010 069034065 M18M17M17 000 63 24 15 -27.8 -32.1 28.76 11 14 188 26 -011 067038071 M17M16M17 000 66 24 18 -28.0 -32.3 28.81 11 15 192 31 -008 067042074 M17M17M17 000 69 24 21 -26.6 -31.2 28.85 12 13 210 48 -014 065046064 M16M16M16 000 72 25 00 -27.3 -31.7 28.89 14 15 224 62 -010 066031051 M18M16M16 000 75 25 03 -27.5 -31.9 28.91 15 17 232 71 -013 066022047 M18M16M16 000 78 25 06 -28.9 -32.6 28.94 16 19 243 81 -035 071027028 M19M16M16 000 81 25 09 -29.7 -33.1 28.94 17 20 252 91 -040 072033024 M19M17M17 000 84 25 12 -29.8 -33.3 28.93 19 22 255 93 -028 072033022 M20M17M17 000 87 25 15 -29.1 -31.5 28.94 21 26 258 96 073 080066021 M21M19M18 000 90 25 18 -27.2 -28.7 28.91 23 30 262 100 139 088076032 M20M20M20 001 93 25 21 -26.8 -28.7 28.89 23 32 264 103 106 084056049 M20M19M19 004 96 26 00 -26.7 -28.7 28.90 20 29 265 103 167 083066048 M20M19M19 000 99 26 03 -28.6 -31.1 28.90 17 22 255 94 085 079049039 M21M19M18 000 102 26 06 -30.1 -32.8 28.91 14 17 253 91 -083 078050042 M22M19M18 000 105 26 09 -30.0 -32.9 28.91 13 15 252 90 -010 076047069 M21M19M18 000 108 26 12 -30.1 -33.0 28.88 12 14 240 78 -011 076069060 M21M19M19 000 111 26 15 -30.9 -33.4 28.86 11 11 229 68 016 079072060 M22M21M20 000 114 26 18 -32.9 -35.9 28.83 10 10 218 57 -003 074062072 M24M22M20 000 117 26 21 -33.2 -36.3 28.80 11 15 195 34 -007 074066066 M26M23M22 000 120 27 00 -32.4 -35.4 28.77 12 19 179 17 007 075074045 M25M23M21 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.