USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025093000 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 30 00 -21.6 -24.4 28.71 8 11 166 4 -006 078042024 M19M17M16 000 01 30 01 -25.1 -28.0 28.73 8 10 197 36 015 077046056 M19M17M16 000 02 30 02 -24.8 -28.6 28.69 9 12 190 28 -011 071062056 M19M18M16 000 03 30 03 -25.8 -29.2 28.69 9 12 176 15 007 073066033 M20M18M15 000 04 30 04 -26.0 -29.3 28.70 7 11 169 7 -016 074052025 M19M16M14 000 05 30 05 -25.5 -29.0 28.66 7 11 157 356 010 073036058 M17M14M12 000 06 30 06 -26.6 -30.1 28.67 8 12 154 352 -012 072054045 M18M13M11 000 07 30 07 -27.3 -30.6 28.66 10 15 156 355 002 073063040 M17M13M11 000 08 30 08 -26.3 -29.4 28.67 9 16 152 351 006 075067036 M16M13M12 000 09 30 09 -25.0 -27.8 28.65 9 15 151 349 021 078068036 M14M13M12 000 10 30 10 -23.4 -27.0 28.65 7 12 141 340 -004 073068036 M14M12M13 000 11 30 11 -21.5 -25.5 28.65 3 8 147 345 022 070066045 M13M12M12 000 12 30 12 -19.8 -23.4 28.63 2 6 184 22 031 073070060 M13M12M13 000 13 30 13 -18.6 -21.8 28.66 2 5 167 5 015 076068069 M13M12M13 000 14 30 14 -18.7 -21.4 28.63 2 6 137 336 -008 079060073 M13M12M13 000 15 30 15 -19.3 -21.7 28.65 2 5 144 343 -022 081056066 M13M12M12 000 16 30 16 -19.1 -21.9 28.66 1 6 117 315 -037 078053059 M13M12M12 000 17 30 17 -19.4 -22.9 28.66 2 6 126 325 003 074053053 M13M12M12 000 18 30 18 -18.5 -23.3 28.67 1 6 285 123 018 066051049 M12M11M12 000 19 30 19 -17.8 -23.3 28.69 1 5 33 232 005 062049045 M12M11M12 000 20 30 20 -17.4 -23.0 28.67 1 4 270 108 005 062053044 M12M12M12 000 21 30 21 -16.4 -22.1 28.69 3 4 268 107 017 062054044 M11M11M12 000 22 30 22 -15.6 -21.2 28.69 2 3 269 107 005 062053047 M11M11M12 000 23 30 23 -15.1 -20.5 28.68 3 3 273 112 -013 063053053 M11M11M12 000 24 01 00 -15.2 -20.4 28.71 4 4 244 82 -003 065054065 M11M11M12 000 25 01 01 -14.7 -20.1 28.73 3 3 251 89 -013 063053073 M11M12M12 000 26 01 02 -14.6 -20.1 28.72 2 3 274 112 -019 063056072 M11M11M12 000 27 01 03 -15.1 -20.4 28.72 4 5 300 138 -009 064066068 M11M11M12 000 28 01 04 -16.1 -21.0 28.73 6 7 295 133 -018 066073066 M11M11M12 000 29 01 05 -17.7 -21.5 28.74 8 9 290 128 002 072076061 M11M11M12 000 30 01 06 -17.6 -20.1 28.74 9 9 285 124 -028 081074061 M10M11M11 000 31 01 07 -17.5 -19.1 28.75 9 9 275 113 -011 087075065 M11M11M11 000 32 01 08 -17.7 -19.2 28.76 10 11 269 108 -011 088071071 M11M11M11 000 33 01 09 -18.3 -19.9 28.77 11 12 259 97 -013 087063071 M10M11M11 000 34 01 10 -18.4 -20.2 28.77 11 11 257 96 000 086059068 M10M11M12 000 35 01 11 -18.7 -20.3 28.76 11 12 257 96 -004 087056067 M11M11M11 000 36 01 12 -18.8 -20.4 28.75 11 13 255 93 005 087051065 M11M10M11 000 37 01 13 -18.2 -19.8 28.77 12 15 257 95 005 087050065 M10M10M11 000 38 01 14 -18.0 -19.7 28.80 12 14 260 98 -006 087051066 M10M10M11 000 39 01 15 -18.5 -20.1 28.80 11 14 267 106 -005 088054069 M11M11M11 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.