USAP Roosevelt Island (ARI) site lat/lon = (-79.3633,-161.6268) cell lat/lon = (-79.3634,-161.6464) Forecast initialized at 2025-11-12/00 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 12 00 -18.7 -21.7 28.82 10 14 139 337 000 81 71 64 -17-17-17 000 1 12 01 -18.2 -21.3 28.81 11 15 129 328 000 89 71 63 -17-17-17 000 2 12 02 -18.9 -21.7 28.80 11 16 133 332 000 92 66 62 -17-17-17 000 3 12 03 -19.4 -22.3 28.78 11 16 138 337 000 93 64 62 -17-17-17 000 4 12 04 -20.4 -23.0 28.76 11 18 144 343 000 96 63 61 -17-17-17 000 5 12 05 -21.2 -23.2 28.76 11 18 146 344 000 103 63 61 -17-17-17 000 6 12 06 -21.9 -23.3 28.75 12 19 149 347 000 111 62 60 -17-17-17 000 7 12 07 -22.8 -23.4 28.73 11 20 152 350 000 123 62 58 -17-17-17 000 8 12 08 -23.6 -24.1 28.70 11 19 156 354 000 125 62 56 -17-17-17 000 9 12 09 -23.5 -24.0 28.69 11 20 157 356 000 125 62 55 -17-17-17 000 10 12 10 -23.3 -23.9 28.67 11 20 160 359 000 123 61 53 -17-17-17 000 11 12 11 -23.1 -23.8 28.68 12 20 164 2 000 122 59 50 -17-17-17 000 12 12 12 -22.6 -23.5 28.66 12 20 170 8 000 119 58 49 -17-16-17 000 13 12 13 -22.9 -23.6 28.65 11 19 174 13 000 121 57 47 -18-16-17 000 14 12 14 -23.2 -24.2 28.64 11 18 178 16 001 118 57 47 -18-16-17 000 15 12 15 -22.7 -23.9 28.65 10 17 181 20 001 114 58 48 -18-16-17 000 16 12 16 -22.3 -23.3 28.64 10 17 188 26 001 117 60 50 -18-16-16 000 17 12 17 -22.1 -23.2 28.63 10 18 191 29 000 116 58 50 -18-16-16 000 18 12 18 -21.6 -23.0 28.61 10 17 198 36 000 111 56 50 -18-16-16 000 19 12 19 -20.9 -22.4 28.60 11 18 204 43 000 108 56 52 -18-16-16 000 20 12 20 -20.1 -21.3 28.60 12 17 210 49 000 112 55 54 -18-16-16 000 21 12 21 -20.2 -20.6 28.59 12 17 218 56 000 120 53 53 -18-16-16 000 22 12 22 -20.1 -20.6 28.59 12 17 220 58 001 119 54 54 -18-16-16 000 23 12 23 -20.0 -20.3 28.58 11 16 221 59 003 121 54 53 -17-16-16 000 24 13 00 -19.7 -20.0 28.57 11 15 220 59 005 121 58 52 -17-16-16 000 25 13 01 -19.2 -19.5 28.57 11 14 221 60 006 120 57 48 -17-16-16 000 26 13 02 -19.2 -19.5 28.56 10 14 225 63 007 120 61 43 -17-16-16 000 27 13 03 -19.3 -19.6 28.56 8 12 226 65 006 120 63 40 -17-16-16 000 28 13 04 -19.7 -20.1 28.53 7 11 234 72 005 121 62 38 -16-16-16 000 29 13 05 -20.3 -20.6 28.52 7 8 239 78 004 121 63 36 -16-16-16 000 30 13 06 -20.9 -21.3 28.52 7 9 242 80 002 122 66 36 -16-16-16 000 31 13 07 -21.0 -21.4 28.51 8 9 242 80 003 122 73 34 -15-15-16 000 32 13 08 -21.4 -21.8 28.50 8 9 240 78 003 123 73 33 -15-15-16 000 33 13 09 -22.0 -22.5 28.48 8 9 242 81 002 123 53 33 -15-15-16 000 34 13 10 -23.5 -24.1 28.47 7 10 244 82 004 125 48 41 -16-15-16 000 35 13 11 -24.3 -25.0 28.46 7 11 246 85 003 125 48 49 -16-15-15 000 36 13 12 -24.2 -24.9 28.46 8 12 243 81 001 125 42 47 -16-15-15 000 37 13 13 -23.8 -24.4 28.46 9 13 238 76 002 124 63 36 -17-15-15 000 38 13 14 -22.7 -23.3 28.45 9 13 241 79 003 123 56 33 -18-15-15 000 39 13 15 -21.9 -22.4 28.44 9 14 244 83 002 123 59 41 -18-16-14 000 40 13 16 -21.1 -21.6 28.44 8 14 245 84 002 122 63 51 -18-16-14 000 41 13 17 -20.2 -20.6 28.44 8 12 241 79 -003 121 66 56 -18-16-15 000 42 13 18 -19.7 -20.1 28.44 7 11 239 77 -005 121 71 55 -18-16-15 000 43 13 19 -19.0 -19.3 28.45 7 8 241 80 -005 120 70 48 -17-16-15 000 44 13 20 -18.6 -18.8 28.45 7 9 244 83 -003 120 67 44 -17-15-15 000 45 13 21 -18.1 -18.3 28.46 8 9 244 83 -002 119 66 45 -17-16-16 000 46 13 22 -17.7 -17.9 28.47 7 9 240 78 -003 119 62 43 -17-15-15 000 47 13 23 -17.5 -17.8 28.49 7 9 239 78 -001 118 59 30 -16-15-15 000 48 14 00 -17.6 -17.9 28.51 7 9 238 76 001 118 66 28 -16-15-15 000 49 14 01 -17.9 -18.1 28.52 7 8 241 80 001 119 53 23 -16-15-15 000 50 14 02 -18.0 -18.2 28.53 5 6 240 78 000 119 45 23 -16-15-15 000 51 14 03 -18.2 -18.4 28.55 4 4 250 88 000 119 46 24 -16-15-15 000 52 14 04 -18.6 -18.8 28.56 3 3 259 98 000 119 45 37 -16-15-15 000 53 14 05 -19.1 -19.3 28.58 3 3 271 110 -001 120 46 47 -16-15-15 000 54 14 06 -19.6 -19.9 28.59 3 4 268 107 000 121 52 60 -15-15-15 000 55 14 07 -20.6 -21.2 28.60 3 4 261 99 000 122 59 77 -15-15-15 000 56 14 08 -21.1 -21.5 28.61 2 3 266 105 000 122 68100 -16-16-15 000 57 14 09 -21.6 -21.9 28.63 1 2 308 147 000 123 62105 -17-15-15 000 58 14 10 -22.0 -22.3 28.64 2 2 358 196 -001 123 51 94 -16-15-15 000 59 14 11 -21.8 -22.1 28.66 2 3 9 207 000 123 50 79 -16-15-15 000 60 14 12 -21.8 -22.1 28.67 3 4 348 186 000 123 55 61 -16-15-15 000 61 14 13 -21.9 -22.1 28.69 2 7 322 160 000 123 55 48 -16-15-15 000 62 14 14 -19.8 -20.2 28.70 5 10 267 105 000 121 51 48 -16-15-15 000 63 14 15 -17.8 -18.1 28.71 8 9 264 102 000 118 57 48 -16-15-15 000 64 14 16 -16.8 -17.1 28.72 6 8 267 106 000 117 71 46 -18-16-16 000 65 14 17 -16.8 -17.0 28.73 6 6 283 122 000 117 73 39 -18-16-15 000 66 14 18 -16.3 -16.5 28.74 5 6 292 130 000 117 72 32 -17-16-15 000 67 14 19 -16.2 -16.6 28.77 4 4 298 136 000 115 66 31 -17-16-15 000 68 14 20 -16.2 -16.5 28.78 3 3 304 142 000 115 68 30 -17-16-15 000 69 14 21 -16.2 -16.3 28.79 1 2 311 150 000 117 90 30 -17-17-16 000 70 14 22 -16.1 -16.2 28.81 1 1 322 160 000 117120 29 -17-18-16 000 71 14 23 -15.9 -16.2 28.82 2 2 334 172 -001 114120 30 -17-19-16 000 72 15 00 -15.9 -16.8 28.83 2 2 327 165 000 108120 30 -17-18-16 000 73 15 01 -16.1 -17.0 28.85 2 2 322 161 000 108 96 30 -17-18-16 000 74 15 02 -15.9 -16.4 28.86 2 3 303 142 000 113111 30 -17-18-17 000 75 15 03 -15.7 -15.7 28.86 2 3 294 133 000 116119 29 -17-18-17 000 76 15 04 -15.8 -16.5 28.87 3 3 287 125 000 110120 28 -17-18-17 000 77 15 05 -16.0 -16.3 28.88 2 3 282 121 000 115120 29 -17-18-17 000 78 15 06 -16.2 -16.5 28.88 2 3 253 91 000 116120 28 -17-19-16 000 79 15 07 -16.5 -16.8 28.89 2 3 235 73 000 116120 27 -18-19-16 000 80 15 08 -16.8 -17.0 28.89 2 3 223 61 000 117115 27 -18-18-16 000 81 15 09 -17.0 -17.2 28.90 2 2 209 47 000 118116 29 -18-18-15 000 82 15 10 -17.1 -17.2 28.89 0 2 109 307 000 118120 33 -18-19-15 000 83 15 11 -17.3 -17.5 28.90 2 2 52 250 000 118101 45 -18-18-16 000 84 15 12 -17.9 -18.1 28.90 2 2 40 238 000 119 78 76 -19-16-16 000 85 15 13 -18.4 -18.6 28.90 2 2 46 245 001 119 89 91 -19-16-16 000 86 15 14 -18.7 -18.8 28.89 2 2 44 243 000 120 76 95 -20-15-16 000 87 15 15 -18.8 -18.9 28.89 2 11 13 211 -001 120109 92 -19-17-16 000 88 15 16 -18.4 -18.5 28.88 3 12 313 151 000 119118 74 -17-17-17 000 89 15 17 -17.1 -17.3 28.88 1 5 304 142 000 118118 67 -15-17-18 000 90 15 18 -15.8 -16.9 28.88 5 7 46 244 000 106116 78 -16-17-18 000 91 15 19 -15.7 -16.9 28.88 5 10 62 261 000 106114103 -16-16-17 000 92 15 20 -14.8 -16.0 28.88 9 12 83 281 000 104116111 -16-16-17 001 93 15 21 -14.7 -15.7 28.88 10 14 83 281 000 106117104 -16-16-17 002 94 15 22 -14.7 -15.2 28.87 11 15 89 287 -001 112110 97 -16-16-16 000 95 15 23 -14.6 -14.8 28.87 11 14 83 281 000 115110 93 -16-15-17 000 96 16 00 -14.5 -14.7 28.87 10 12 83 281 004 115108 87 -16-15-17 000 97 16 01 -13.9 -14.5 28.86 9 10 84 282 003 110108 93 -15-16-16 000 98 16 02 -14.3 -15.0 28.85 7 9 86 285 000 109108 95 -15-16-16 000 99 16 03 -14.8 -15.8 28.85 6 7 92 291 000 107108 96 -15-16-16 000 100 16 04 -15.1 -15.3 28.84 7 8 104 302 -001 115104 97 -15-16-16 000 101 16 05 -15.4 -15.7 28.83 7 8 106 305 000 116 97 96 -15-15-16 000 102 16 06 -15.9 -16.3 28.82 6 9 105 303 000 116105 88 -15-16-16 000 103 16 07 -16.8 -17.1 28.82 6 8 102 300 000 117113 72 -15-16-16 000 104 16 08 -17.5 -17.9 28.81 5 7 102 301 002 118108 56 -15-16-16 000 105 16 09 -18.6 -19.2 28.80 5 10 105 303 002 119101 56 -15-16-16 000 106 16 10 -19.3 -19.9 28.79 7 13 112 311 001 120100 58 -15-16-16 000 107 16 11 -18.8 -19.4 28.78 8 12 112 311 -001 119 93 67 -14-15-16 000 108 16 12 -18.1 -18.6 28.77 9 16 109 307 000 118105 96 -13-15-16 000 109 16 13 -14.5 -14.9 28.77 10 14 108 306 000 114116105 -14-15-16 000 110 16 14 -14.5 -14.9 28.76 8 13 102 300 000 113115116 -13-15-16 001 111 16 15 -13.7 -14.7 28.75 10 12 102 300 000 106112114 -13-15-16 001 112 16 16 -13.8 -15.6 28.74 10 13 107 305 003 97105114 -13-14-15 001 113 16 17 -14.4 -17.0 28.74 9 14 110 308 002 90104120 -13-14-15 001 114 16 18 -14.6 -17.4 28.73 8 14 112 310 002 89 99117 -13-14-15 001 115 16 19 -14.0 -16.9 28.73 8 13 107 306 001 87 95114 -13-14-15 000 116 16 20 -13.0 -16.2 28.73 8 11 101 299 000 84 94117 -13-14-15 000 117 16 21 -12.5 -15.8 28.73 8 10 95 294 000 84 96115 -13-14-15 000 118 16 22 -12.4 -15.5 28.73 7 8 94 292 -001 85 99115 -13-14-15 001 119 16 23 -12.3 -15.7 28.73 6 7 98 296 000 83100114 -13-14-15 002 120 17 00 -12.4 -15.5 28.73 4 5 99 297 000 85 99113 -13-14-15 001 * 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.