USAP Roosevelt Island (ARI) site lat/lon = (-79.3633,-161.6268) cell lat/lon = (-79.3634,-161.6464) Forecast initialized at 2026-10-16/00 UTC MPAS cell scale: 2.4 km 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) (*) 0 16 00 -21.0 -25.3 28.83 6 10 196 35 000 49 48 72 -15-14-14 000 1 16 01 -21.4 -24.6 28.82 10 14 183 21 000 90 48 71 -15-14-14 000 2 16 02 -22.1 -24.5 28.81 8 14 182 20 000 100 43 69 -15-14-14 000 3 16 03 -22.2 -24.1 28.79 9 14 178 16 000 106 39 65 -15-14-14 000 4 16 04 -22.7 -24.1 28.76 9 14 177 15 -001 113 38 62 -15-14-14 000 5 16 05 -22.9 -24.2 28.75 9 14 170 8 -001 115 37 58 -14-14-14 000 6 16 06 -23.4 -24.5 28.75 9 14 173 11 -001 116 37 54 -14-14-14 000 7 16 07 -24.0 -24.8 28.71 9 14 176 14 000 122 36 49 -15-14-14 000 8 16 08 -24.6 -25.4 28.67 9 14 173 11 000 122 35 44 -15-14-14 000 9 16 09 -24.7 -26.1 28.69 9 14 167 6 000 112 35 40 -14-14-14 000 10 16 10 -24.5 -27.0 28.66 9 13 165 3 000 96 35 38 -14-14-14 000 11 16 11 -24.2 -27.9 28.63 9 13 167 5 000 82 34 37 -14-14-14 000 12 16 12 -24.3 -28.3 28.61 9 13 171 10 000 79 33 37 -14-14-14 000 13 16 13 -24.5 -28.4 28.60 8 12 175 13 000 80 34 37 -14-14-14 000 14 16 14 -24.9 -28.5 28.59 8 12 174 13 000 84 38 37 -15-14-14 000 15 16 15 -24.9 -28.3 28.58 8 12 174 12 000 86 41 37 -15-14-14 000 16 16 16 -24.7 -28.0 28.55 9 13 171 9 002 88 39 38 -15-14-13 000 17 16 17 -24.2 -26.9 28.53 8 12 162 1 001 94 38 38 -15-13-13 000 18 16 18 -23.2 -24.9 28.52 8 11 156 355 000 106 38 40 -15-14-13 000 19 16 19 -22.0 -22.6 28.51 7 11 157 355 001 121 36 41 -15-13-13 000 20 16 20 -21.3 -22.0 28.48 7 12 156 355 000 122 34 42 -14-13-13 000 21 16 21 -19.7 -20.3 28.46 6 10 147 345 000 120 37 43 -14-13-13 000 22 16 22 -19.6 -20.1 28.45 6 11 157 355 000 120 34 48 -14-13-13 000 23 16 23 -20.1 -20.5 28.43 6 11 165 3 000 121 37 51 -13-13-13 000 24 17 00 -20.0 -20.5 28.41 6 12 163 2 002 121 40 51 -13-13-13 000 25 17 01 -20.2 -21.1 28.41 6 10 147 346 001 118 44 55 -14-13-13 000 26 17 02 -20.2 -21.2 28.39 6 9 140 338 000 117 59 56 -14-13-13 000 27 17 03 -19.9 -22.3 28.37 6 8 138 336 000 95 61 55 -14-13-13 000 28 17 04 -20.5 -23.6 28.35 6 8 146 344 000 89 82 55 -14-13-13 000 29 17 05 -21.1 -24.5 28.34 6 8 157 355 000 85 88 51 -14-13-13 000 30 17 06 -21.6 -23.8 28.32 6 8 155 353 000 98 87 54 -14-13-13 000 31 17 07 -22.1 -23.7 28.31 7 9 147 346 000 105 75 57 -14-14-13 000 32 17 08 -22.5 -22.9 28.30 6 8 146 345 000 119 52 58 -14-13-13 000 33 17 09 -22.3 -22.4 28.28 6 7 153 351 000 122 44 59 -14-13-13 000 34 17 10 -23.0 -23.3 28.27 6 7 143 341 001 122 46 61 -14-14-13 000 35 17 11 -22.9 -23.1 28.26 5 6 132 331 000 123 47 64 -14-13-13 000 36 17 12 -22.0 -22.1 28.25 5 5 136 334 001 122 57 68 -14-13-13 000 37 17 13 -22.3 -22.5 28.24 5 6 133 332 000 122 64 72 -14-14-13 000 38 17 14 -22.2 -22.4 28.24 6 7 127 326 000 122 66 72 -14-14-13 000 39 17 15 -21.0 -22.7 28.23 5 5 124 322 000 103 63 63 -14-13-13 000 40 17 16 -21.3 -25.0 28.22 5 5 134 332 000 85 60 51 -14-13-13 000 41 17 17 -22.1 -25.5 28.22 6 7 133 332 000 85 57 40 -14-13-13 000 42 17 18 -22.1 -25.7 28.22 7 9 121 320 000 83 51 38 -14-14-13 000 43 17 19 -21.9 -25.8 28.23 7 10 112 311 000 80 42 41 -14-13-13 000 44 17 20 -21.1 -25.6 28.23 6 9 109 308 000 74 41 40 -14-13-13 000 45 17 21 -20.3 -24.6 28.22 6 9 109 308 000 74 41 42 -13-13-13 000 46 17 22 -19.8 -23.3 28.23 6 9 108 306 000 82 40 31 -13-12-12 000 47 17 23 -18.9 -22.1 28.24 6 8 112 310 000 86 42 38 -13-12-12 000 48 18 00 -18.4 -21.7 28.24 6 8 117 315 001 84 48 41 -12-12-12 000 49 18 01 -17.9 -21.6 28.25 7 10 118 316 000 79 47 37 -12-12-12 000 50 18 02 -18.1 -21.5 28.26 8 11 116 315 000 83 43 34 -12-11-11 000 51 18 03 -18.8 -21.9 28.27 8 13 114 312 000 86 42 33 -12-11-11 000 52 18 04 -18.9 -21.9 28.28 8 13 111 310 000 87 43 32 -11-11-11 000 53 18 05 -19.2 -22.3 28.28 8 11 115 314 001 86 41 34 -11-10-11 000 54 18 06 -18.8 -22.7 28.29 8 11 118 317 002 77 41 38 -11-11-11 000 55 18 07 -18.3 -23.0 28.30 8 10 119 317 001 70 41 42 -11-10-11 000 56 18 08 -18.4 -23.4 28.30 7 9 122 321 -001 67 40 46 -10-10-11 000 57 18 09 -19.6 -24.8 28.31 8 9 130 328 -001 66 39 49 -10-10-10 000 58 18 10 -19.0 -24.9 28.32 7 9 131 329 000 61 39 48 -10-10-10 000 59 18 11 -18.0 -24.7 28.33 6 7 120 318 000 58 40 45 -10-10-10 000 60 18 12 -16.5 -24.0 28.34 6 8 99 297 000 56 40 45 -10-10-10 000 61 18 13 -16.7 -23.7 28.34 5 7 94 292 001 59 45 49 -10-10-10 000 62 18 14 -16.5 -23.5 28.34 5 7 95 293 000 59 41 50 -10-10-10 000 63 18 15 -17.9 -23.9 28.34 6 10 89 287 000 62 39 49 -10-10-10 000 64 18 16 -18.3 -23.5 28.34 7 9 83 281 000 67 35 59 -10 -9-10 000 65 18 17 -18.1 -23.0 28.34 7 9 85 284 -001 69 31 67 -9 -9-10 000 66 18 18 -18.1 -22.5 28.35 8 11 88 287 -002 71 31 71 -10 -9-10 000 67 18 19 -17.4 -21.9 28.35 8 11 91 289 -002 69 28 79 -9 -9-10 000 68 18 20 -16.1 -21.4 28.35 9 11 93 292 -002 62 30 74 -9 -9-10 000 69 18 21 -14.9 -20.8 28.35 8 11 96 295 -002 55 45 78 -9 -9-10 000 70 18 22 -13.8 -20.2 28.34 8 12 102 300 -005 52 73 82 -9 -9-10 000 71 18 23 -13.2 -19.0 28.34 9 13 103 301 -004 58 79 83 -9 -9-10 000 72 19 00 -12.8 -15.5 28.33 8 13 101 300 -003 87 76 77 -9 -9-10 000 73 19 01 -12.3 -12.7 28.32 8 15 100 299 000 111 81 69 -9 -9-10 000 74 19 02 -12.9 -13.5 28.31 6 12 106 304 003 109 77 64 -8 -9-10 000 75 19 03 -13.6 -14.0 28.30 8 14 153 351 001 113 73 66 -8 -9-10 000 76 19 04 -14.1 -14.5 28.28 9 16 159 357 000 113 73 62 -8 -9-10 000 77 19 05 -14.2 -15.2 28.26 9 14 170 9 -002 104 76 58 -8 -9 -9 000 78 19 06 -15.0 -15.4 28.24 10 16 169 8 -002 114 56 48 -8 -8 -9 000 79 19 07 -15.8 -19.0 28.23 11 17 176 14 000 83 45 29 -8 -8 -9 000 80 19 08 -18.0 -19.4 28.21 11 18 177 16 001 105 32 35 -8 -8 -8 000 81 19 09 -18.6 -19.0 28.20 11 18 179 17 001 118 46 43 -8 -8 -9 000 82 19 10 -18.7 -19.2 28.18 10 16 179 17 -002 117 42 45 -8 -8 -9 000 83 19 11 -18.9 -19.3 28.17 9 14 179 17 000 117 41 49 -9 -8 -9 000 84 19 12 -19.0 -19.4 28.16 9 15 179 17 003 117 41 54 -10 -9 -9 000 85 19 13 -18.8 -19.4 28.16 10 15 182 20 003 114 42 55 -10 -9 -9 000 86 19 14 -18.9 -19.6 28.16 9 14 186 24 000 113 42 56 -10 -9-10 000 87 19 15 -18.6 -19.4 28.16 8 12 187 25 000 110 43 53 -10 -9-10 000 88 19 16 -18.2 -19.1 28.16 7 11 194 32 001 107 44 50 -9-10-10 000 89 19 17 -17.5 -18.7 28.16 6 9 188 27 001 103 49 50 -9-10-10 000 90 19 18 -15.9 -17.7 28.17 4 5 178 16 -001 98 55 47 -10-11-10 000 91 19 19 -14.8 -17.9 28.18 2 3 153 351 -004 87 50 48 -11-10-10 000 92 19 20 -13.7 -18.1 28.19 3 5 59 258 -001 76 45 49 -10-10-10 000 93 19 21 -15.1 -18.3 28.21 5 7 349 188 002 83 45 51 -10-10-10 000 94 19 22 -15.1 -18.2 28.23 6 9 342 180 000 83 46 52 -11-10-10 000 95 19 23 -15.0 -17.7 28.26 7 10 335 173 -001 88 47 55 -11-10-11 000 96 20 00 -15.2 -17.1 28.29 7 11 334 172 -001 98 48 60 -10-10-11 000 97 20 01 -15.4 -17.0 28.31 7 12 345 184 000 102 51 61 -10-10-11 000 98 20 02 -16.0 -17.1 28.33 8 13 354 193 000 108 51 59 -10-10-10 000 99 20 03 -16.6 -17.1 28.35 9 14 2 201 001 115 51 55 -11-10-10 000 100 20 04 -17.6 -18.0 28.36 9 16 3 202 000 118 50 51 -11-10-10 000 101 20 05 -19.3 -19.8 28.39 10 16 3 201 000 120 53 53 -12-10-10 000 102 20 06 -16.2 -16.5 28.42 16 26 351 190 000 116 60 54 -15-11-11 000 103 20 07 -15.3 -15.6 28.45 19 29 357 195 -003 116 88 54 -16-12-11 000 104 20 08 -14.7 -15.0 28.47 18 31 2 200 -005 115114 52 -15-14-12 000 105 20 09 -15.0 -15.3 28.49 19 31 7 205 -005 115115 50 -15-15-13 000 106 20 10 -15.3 -15.6 28.51 17 29 15 214 -006 115117 64 -15-16-13 000 107 20 11 -15.0 -15.3 28.53 17 28 23 221 -008 115117 82 -15-16-14 000 108 20 12 -15.4 -15.8 28.55 18 25 31 230 -005 116117 74 -15-16-15 000 109 20 13 -15.5 -15.8 28.57 17 23 32 230 -008 116117 77 -15-16-15 000 110 20 14 -15.6 -15.9 28.59 16 23 27 225 -009 116118 73 -15-17-15 000 111 20 15 -15.3 -15.7 28.60 15 22 20 219 -004 116117 77 -15-16-14 000 112 20 16 -15.2 -15.6 28.61 15 22 21 219 -002 116117 86 -15-16-13 000 113 20 17 -15.0 -15.3 28.62 13 20 20 218 -003 115113 75 -16-16-14 000 114 20 18 -15.0 -15.6 28.63 9 16 8 207 -005 112105 70 -15-14-14 000 115 20 19 -16.1 -16.3 28.64 1 7 28 226 001 116113 71 -15-15-15 000 116 20 20 -17.6 -17.9 28.64 5 5 165 3 -003 118111 89 -15-15-15 000 117 20 21 -15.6 -15.9 28.64 9 12 165 3 -002 116105 89 -14-15-15 000 118 20 22 -15.2 -15.5 28.64 12 16 170 8 -001 115 89 99 -14-14-14 000 119 20 23 -15.4 -15.8 28.63 11 17 167 5 001 116 89 94 -14-14-14 000 120 21 00 -15.1 -15.4 28.62 11 18 157 355 000 115 85 78 -14-14-15 000 * 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.