USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092912 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 29 12 -20.1 -24.9 28.86 18 21 213 51 -041 068070086 M17M15M14 000 01 29 13 -23.3 -26.1 28.84 19 26 227 65 013 078087083 M16M14M13 000 02 29 14 -22.9 -25.4 28.83 19 27 229 67 026 080083081 M16M14M12 000 03 29 15 -22.6 -25.9 28.85 19 26 228 66 001 075082081 M16M14M13 000 04 29 16 -22.9 -26.1 28.87 19 25 230 69 -026 075091083 M16M14M13 001 05 29 17 -22.9 -25.8 28.82 19 24 231 69 004 078092085 M16M14M13 002 06 29 18 -22.5 -24.8 28.83 18 24 229 68 025 082088084 M15M13M12 001 07 29 19 -22.4 -24.3 28.82 16 23 224 63 -034 085092085 M15M13M12 000 08 29 20 -21.8 -23.6 28.82 15 21 221 59 005 086098086 M15M14M13 001 09 29 21 -21.4 -23.2 28.79 13 20 218 56 004 085097081 M16M14M13 001 10 29 22 -21.1 -23.0 28.82 14 20 218 56 010 085086069 M15M14M13 001 11 29 23 -20.8 -22.5 28.79 13 20 217 56 020 086082061 M15M14M14 000 12 30 00 -21.2 -22.9 28.77 13 19 216 55 002 087068044 M16M14M13 000 13 30 01 -21.9 -23.6 28.79 13 19 210 49 009 086062023 M16M14M14 000 14 30 02 -22.6 -24.5 28.77 12 17 214 52 -006 085044032 M15M15M14 000 15 30 03 -23.4 -25.3 28.77 11 16 213 51 002 085043039 M18M16M14 000 16 30 04 -24.2 -26.3 28.75 13 17 219 58 005 083050049 M17M15M14 000 17 30 05 -24.8 -27.2 28.73 12 18 212 50 -010 080048040 M17M15M12 000 18 30 06 -25.2 -28.0 28.74 10 15 188 27 -017 077043041 M17M13M11 000 19 30 07 -25.3 -28.9 28.73 10 15 160 358 -002 072053034 M15M12M11 000 20 30 08 -25.4 -29.0 28.72 10 16 147 345 009 071059031 M15M12M11 000 21 30 09 -25.1 -28.4 28.74 9 15 151 349 -013 074052033 M15M12M12 000 22 30 10 -24.8 -27.4 28.73 9 15 151 349 -001 079048038 M14M12M12 000 23 30 11 -23.6 -26.9 28.70 9 14 165 4 008 074052035 M14M13M13 000 24 30 12 -22.9 -27.2 28.70 9 13 167 5 010 068051033 M14M13M12 000 25 30 13 -22.7 -27.0 28.71 8 11 178 16 014 068042033 M15M13M12 000 26 30 14 -23.9 -27.5 28.70 11 13 197 35 024 072037034 M15M13M12 000 27 30 15 -24.1 -27.4 28.69 11 15 200 38 016 074036034 M14M13M12 000 28 30 16 -24.3 -27.6 28.69 11 14 196 35 019 074036033 M15M13M12 000 29 30 17 -23.8 -27.7 28.70 9 13 191 29 008 070033033 M14M12M11 000 30 30 18 -22.9 -27.0 28.69 8 10 190 28 -011 070040064 M14M12M12 000 31 30 19 -21.9 -26.1 28.69 7 8 198 36 -006 069054066 M13M12M12 000 32 30 20 -20.2 -25.4 28.69 6 6 213 51 008 063066059 M12M12M12 000 33 30 21 -18.6 -24.8 28.70 6 6 229 67 -010 058070060 M12M12M12 000 34 30 22 -18.7 -24.4 28.70 7 6 234 73 038 060070061 M12M12M12 000 35 30 23 -18.0 -24.0 28.70 6 5 244 83 012 060065062 M12M11M12 000 36 01 00 -17.5 -23.7 28.71 4 4 238 77 -023 059065068 M13M12M12 000 37 01 01 -17.6 -23.7 28.73 2 4 334 173 004 059065076 M13M12M13 000 38 01 02 -18.0 -23.7 28.74 4 7 328 167 009 061065079 M13M12M13 000 39 01 03 -17.4 -22.5 28.73 5 7 314 153 -003 064067073 M12M12M13 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.