USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092812 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 12 -30.0 -35.9 28.85 7 7 157 355 -002 069032042 M26M24M22 000 03 28 15 -34.5 -39.4 28.88 10 13 189 27 -005 061042043 M25M23M22 000 06 28 18 -33.1 -35.8 28.90 12 16 207 46 -009 076056052 M23M22M20 000 09 28 21 -31.6 -34.9 28.91 14 18 218 57 -010 072050042 M21M18M19 000 12 29 00 -29.8 -33.4 28.90 16 20 224 63 001 071039040 M20M17M16 000 15 29 03 -29.0 -32.8 28.91 15 19 242 80 020 070035037 M18M15M14 000 18 29 06 -28.6 -32.0 28.90 14 17 241 80 -003 073031033 M17M14M14 000 21 29 09 -26.1 -30.3 28.91 13 20 230 68 -010 068069049 M16M15M15 000 24 29 12 -24.2 -28.5 28.89 15 24 241 79 011 067087058 M15M14M15 000 27 29 15 -24.9 -28.8 28.88 17 27 239 78 017 070036065 M14M12M13 000 30 29 18 -22.9 -24.8 28.87 18 28 229 67 028 085089062 M16M13M12 005 33 29 21 -22.0 -23.7 28.86 9 18 227 66 -010 086088066 M18M15M14 005 36 30 00 -22.9 -24.5 28.84 9 16 236 74 006 086084075 M18M15M14 002 39 30 03 -25.4 -27.6 28.82 5 9 225 64 001 082082054 M21M18M16 001 42 30 06 -30.6 -33.1 28.81 6 8 165 3 -022 078066047 M25M21M17 000 45 30 09 -32.1 -34.9 28.79 6 9 163 2 -030 077068060 M25M21M19 000 48 30 12 -32.1 -35.1 28.75 8 13 172 10 -021 074078070 M23M20M19 000 51 30 15 -30.1 -32.2 28.74 8 11 180 18 -001 082092081 M20M19M18 001 54 30 18 -29.5 -31.7 28.73 9 9 223 61 -013 081091068 M21M18M17 005 57 30 21 -27.3 -29.4 28.72 9 10 231 69 -014 082091061 M20M18M17 001 60 01 00 -26.4 -28.6 28.73 7 7 258 96 -020 082078060 M20M18M16 000 63 01 03 -27.3 -29.8 28.75 9 13 266 104 -007 079068066 M19M17M16 000 66 01 06 -27.4 -29.7 28.78 10 12 267 105 -008 081067057 M18M16M16 000 69 01 09 -26.7 -28.0 28.80 8 11 289 128 -031 089081042 M18M16M14 000 72 01 12 -27.1 -28.2 28.82 6 10 302 140 -010 090077043 M19M16M14 000 75 01 15 -27.7 -28.7 28.85 7 9 290 128 -010 091076039 M19M16M14 000 78 01 18 -26.4 -27.5 28.87 6 7 294 132 -010 091071040 M18M16M14 000 81 01 21 -23.8 -25.5 28.88 5 5 288 126 002 086063038 M18M16M15 000 84 02 00 -23.8 -25.6 28.90 4 5 308 147 -007 085069028 M19M17M15 000 87 02 03 -24.2 -25.6 28.91 6 6 294 132 -009 088072021 M18M17M15 000 90 02 06 -24.2 -25.1 28.92 6 5 275 113 -003 092076024 M18M17M16 000 93 02 09 -24.2 -24.8 28.93 5 5 262 101 -008 095074027 M18M17M16 000 96 02 12 -23.8 -24.3 28.93 5 5 257 96 -005 096071033 M18M17M16 000 99 02 15 -23.8 -24.2 28.94 5 5 255 94 001 096074043 M18M17M17 000 102 02 18 -23.2 -23.9 28.94 4 4 254 92 001 093076053 M18M18M17 000 105 02 21 -21.9 -23.5 28.93 4 4 274 112 -001 088078057 M18M18M17 000 108 03 00 -21.2 -23.1 28.91 4 3 259 98 004 085079063 M18M18M18 000 111 03 03 -21.2 -23.1 28.89 2 3 228 66 006 085080066 M18M18M17 000 114 03 06 -21.5 -23.3 28.86 4 4 210 48 001 085080067 M18M18M18 000 117 03 09 -22.6 -24.1 28.81 5 5 198 36 004 088081066 M18M18M18 000 120 03 12 -23.3 -24.9 28.75 6 6 204 43 -007 087082062 M19M18M18 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.