USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092900 AMPS 24km 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 29 00 -29.1 -33.3 29.02 10 9 206 44 -001 067043039 M24M20M17 000 03 29 03 -28.4 -32.5 29.01 10 15 231 70 003 068037033 M23M19M17 000 06 29 06 -28.9 -32.6 28.97 10 16 244 83 006 071036028 M22M18M16 000 09 29 09 -27.4 -31.3 28.99 7 12 241 79 -013 069052046 M21M17M16 000 12 29 12 -25.1 -27.9 28.93 7 11 249 88 007 078065074 M19M16M14 000 15 29 15 -23.6 -25.7 28.94 5 8 235 73 003 083090090 M20M16M15 005 18 29 18 -23.2 -25.2 28.92 5 9 218 57 006 084091081 M19M16M15 005 21 29 21 -23.6 -25.5 28.89 6 7 200 38 007 084087063 M21M18M16 002 24 30 00 -25.8 -28.3 28.87 6 8 149 347 009 080071037 M24M21M17 000 27 30 03 -27.2 -30.3 28.84 7 10 149 347 002 076061047 M23M18M14 000 30 30 06 -24.9 -27.9 28.82 8 12 153 351 -005 076052035 M18M14M12 000 33 30 09 -24.8 -28.6 28.77 7 11 165 4 -000 071039029 M18M15M12 000 36 30 12 -23.9 -28.7 28.72 4 7 160 358 005 065032027 M18M13M10 000 39 30 15 -22.1 -28.2 28.71 5 9 134 333 -011 058028030 M16M11M09 000 42 30 18 -21.4 -27.5 28.71 4 7 121 320 -003 058028036 M15M11M09 000 45 30 21 -18.2 -26.4 28.70 1 3 213 52 011 049029039 M14M10M09 000 48 01 00 -18.4 -26.1 28.70 1 3 234 72 -003 051032040 M14M11M10 000 51 01 03 -18.4 -26.3 28.71 3 4 293 131 -005 050032042 M14M11M10 000 54 01 06 -20.1 -26.9 28.72 5 7 305 144 -014 055031045 M14M11M10 000 57 01 09 -21.3 -27.3 28.74 7 9 311 149 -000 058031048 M14M12M11 000 60 01 12 -21.1 -26.0 28.74 8 12 308 146 002 064038052 M14M12M11 000 63 01 15 -20.1 -24.3 28.78 8 12 319 157 002 069053058 M14M12M12 000 66 01 18 -18.5 -21.1 28.81 9 12 324 162 000 080066063 M13M12M12 000 69 01 21 -17.0 -19.5 28.84 8 11 325 164 001 081066065 M13M12M12 000 72 02 00 -15.8 -18.1 28.86 8 11 336 174 -003 083072065 M13M13M13 000 75 02 03 -15.5 -17.6 28.89 7 11 353 192 -001 084075073 M13M13M14 001 78 02 06 -15.7 -18.3 28.91 6 11 12 211 010 081071074 M13M13M14 004 81 02 09 -17.0 -19.0 28.92 5 9 57 255 020 085082079 M14M14M14 005 84 02 12 -19.2 -20.1 28.93 5 10 83 282 013 093084078 M14M14M14 003 87 02 15 -20.0 -20.6 28.94 3 7 46 244 009 095078076 M14M14M15 001 90 02 18 -19.4 -21.2 28.95 1 5 133 332 -006 086080081 M15M15M16 000 93 02 21 -19.1 -20.8 28.95 4 5 154 352 -000 086080074 M16M16M16 001 96 03 00 -19.1 -21.7 28.93 5 7 127 325 -002 080068076 M16M15M16 000 99 03 03 -19.2 -21.4 28.91 6 9 135 334 002 083082083 M16M15M16 002 102 03 06 -20.9 -22.5 28.90 7 11 138 336 003 087085084 M16M16M16 003 105 03 09 -21.5 -22.9 28.87 5 8 153 351 008 088087085 M16M16M16 009 108 03 12 -20.6 -22.1 28.83 5 7 211 50 002 088086087 M16M16M16 008 111 03 15 -21.6 -23.2 28.80 7 9 253 91 -001 087085085 M17M16M17 006 114 03 18 -21.2 -23.0 28.76 7 11 286 125 -002 085084085 M18M17M17 003 117 03 21 -21.3 -23.3 28.71 8 11 284 122 000 084089087 M20M18M18 007 120 04 00 -22.5 -25.0 28.68 9 11 273 111 -002 081084087 M22M20M20 008 * 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.