USAP Roosevelt Island (ARI) (lat, lon) = (-79.36328, -161.62685) Forecast initialized at 2025092900 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 29 00 -25.9 -32.4 28.93 14 15 207 46 -021 066038039 M21M17M16 000 03 29 03 -28.7 -32.7 28.92 18 22 227 65 -011 069028035 M18M14M13 000 06 29 06 -29.2 -32.7 28.88 18 21 235 73 -006 072025029 M18M15M14 000 09 29 09 -27.0 -30.9 28.91 16 22 228 66 -038 069046038 M17M15M14 000 12 29 12 -24.0 -27.0 28.85 15 20 233 72 -001 077081057 M15M14M13 000 15 29 15 -21.5 -23.5 28.87 11 19 224 62 009 084094085 M15M15M15 004 18 29 18 -21.5 -23.2 28.85 12 18 218 56 005 086093076 M15M14M13 007 21 29 21 -21.9 -23.4 28.81 9 15 209 47 003 087084055 M16M15M14 001 24 30 00 -24.4 -27.0 28.79 6 9 162 0 005 079056026 M21M17M14 000 27 30 03 -26.4 -29.4 28.76 7 12 144 342 021 076052047 M18M14M12 000 30 30 06 -23.2 -26.0 28.75 9 14 161 359 -001 077051034 M13M12M12 000 33 30 09 -24.3 -28.2 28.70 10 15 171 9 013 070031027 M15M12M10 000 36 30 12 -21.5 -28.2 28.65 6 9 160 359 006 055025028 M12M09M09 000 39 30 15 -19.7 -27.7 28.65 6 11 137 335 -010 049024033 M11M09M09 000 42 30 18 -19.5 -27.3 28.65 5 10 139 338 -008 050025037 M10M09M09 000 45 30 21 -15.9 -26.1 28.64 3 3 234 72 003 041029040 M09M09M10 000 48 01 00 -15.9 -25.4 28.64 4 4 235 74 -004 044032041 M10M09M10 000 51 01 03 -16.3 -25.6 28.65 6 5 279 118 -002 044030043 M10M10M10 000 54 01 06 -19.0 -26.4 28.66 8 10 274 112 -013 052027046 M10M10M10 000 57 01 09 -20.0 -26.7 28.68 9 12 288 127 -004 055028050 M11M10M11 000 60 01 12 -19.6 -25.0 28.68 12 19 286 124 -002 062035058 M10M10M11 000 63 01 15 -18.9 -23.3 28.72 13 22 293 131 000 068050066 M11M11M12 000 66 01 18 -16.4 -19.3 28.75 15 26 303 141 002 078061064 M11M11M12 000 69 01 21 -15.1 -18.0 28.78 14 26 310 149 -002 079056067 M11M12M13 000 72 02 00 -14.9 -17.2 28.81 11 21 322 160 -006 083066067 M12M13M13 000 75 02 03 -15.4 -17.3 28.84 9 17 343 181 -001 085078073 M14M14M14 001 78 02 06 -15.9 -18.4 28.86 7 16 352 190 027 081074069 M14M14M15 004 81 02 09 -17.3 -19.2 28.87 6 12 50 248 027 085088076 M15M15M15 004 84 02 12 -18.8 -19.0 28.87 5 11 88 286 034 098087075 M14M14M15 002 87 02 15 -19.0 -19.1 28.89 4 8 313 152 038 099083070 M15M15M16 000 90 02 18 -18.1 -20.2 28.90 5 5 253 91 -018 084080079 M14M15M16 000 93 02 21 -19.1 -20.6 28.89 6 6 191 29 -005 087087072 M15M16M17 001 96 03 00 -19.4 -22.0 28.87 5 9 132 330 -013 079061078 M16M16M16 000 99 03 03 -19.6 -21.5 28.85 7 11 146 344 -003 085086082 M16M16M17 002 102 03 06 -21.5 -22.7 28.84 8 14 151 349 -007 090086083 M16M16M17 003 105 03 09 -21.4 -22.5 28.81 7 10 168 7 001 091087086 M16M16M17 010 108 03 12 -21.0 -22.2 28.77 8 9 217 55 -000 090085087 M16M16M17 008 111 03 15 -21.5 -22.9 28.73 11 13 247 86 003 089081079 M16M16M16 004 114 03 18 -20.9 -22.6 28.69 13 17 261 100 046 086081077 M16M16M16 000 117 03 21 -21.2 -23.1 28.63 14 19 264 102 074 085084080 M18M17M17 001 120 04 00 -23.1 -25.4 28.60 15 19 259 97 042 081082084 M21M19M18 002 * 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.