USAP Roosevelt Island (ARI) site lat/lon = (-79.3633,-161.6268) cell lat/lon = (-79.3634,-161.6464) Forecast initialized at 2026-05-01/00 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 01 00 -34.0 -39.5 28.76 16 34 124 323 000 49 36 26 -25-24-23 000 1 01 01 -33.0 -37.7 28.73 24 38 112 310 -002 83 35 23 -26-24-23 000 2 01 02 -33.0 -37.8 28.72 25 41 113 311 -004 82 33 22 -26-23-22 000 3 01 03 -32.9 -37.9 28.72 27 44 112 310 -005 80 33 21 -26-23-21 000 4 01 04 -32.6 -38.0 28.70 27 42 112 310 -006 76 31 21 -25-23-21 000 5 01 05 -32.0 -37.9 28.69 26 42 111 309 -007 71 30 38 -25-22-20 000 6 01 06 -31.2 -37.6 28.69 25 40 113 311 -006 66 28 82 -24-21-20 000 7 01 07 -30.6 -37.2 28.66 24 39 114 313 -008 64 26102 -24-21-20 000 8 01 08 -29.6 -36.6 28.65 24 39 116 314 -009 61 24100 -23-20-19 000 9 01 09 -28.4 -35.5 28.63 23 37 117 316 -005 60 25101 -23-20-19 000 10 01 10 -28.2 -35.3 28.64 22 36 122 320 -005 59 24 99 -22-20-19 000 11 01 11 -27.2 -34.5 28.62 23 37 126 324 -002 57 23 94 -22-20-19 000 12 01 12 -26.7 -34.0 28.59 24 38 128 327 -002 58 21 86 -22-20-19 000 13 01 13 -26.7 -34.0 28.58 25 39 131 330 -001 58 20 77 -21-20-19 000 14 01 14 -27.0 -34.2 28.56 24 40 134 332 -005 59 20 65 -21-20-19 000 15 01 15 -26.9 -34.0 28.54 23 38 137 335 -007 58 20 45 -21-20-19 000 16 01 16 -27.4 -34.3 28.52 21 36 143 342 -008 61 20 38 -21-20-20 000 17 01 17 -28.6 -34.8 28.49 21 35 153 352 -004 67 18 25 -20-20-19 000 18 01 18 -28.5 -34.7 28.47 22 35 159 358 -006 67 17 37 -20-19-18 000 19 01 19 -28.3 -34.7 28.46 21 35 160 358 -005 65 15 92 -20-18-18 000 20 01 20 -28.4 -34.7 28.44 20 34 163 1 000 66 22100 -19-17-17 000 21 01 21 -28.0 -34.5 28.43 19 33 165 3 -003 64 33 99 -19-17-17 000 22 01 22 -27.5 -34.2 28.42 18 32 166 5 -003 62 19100 -18-16-16 000 23 01 23 -27.5 -34.3 28.42 18 31 167 5 -002 61 12 96 -17-15-15 000 24 02 00 -27.3 -34.2 28.42 16 30 166 4 000 61 10 94 -16-15-15 000 25 02 01 -28.5 -35.4 28.40 15 29 165 4 001 60 13 88 -15-15-15 000 26 02 02 -28.7 -35.9 28.39 15 28 164 3 005 58 25 93 -15-14-14 000 27 02 03 -28.9 -35.8 28.39 14 26 163 2 004 60 46 87 -14-14-14 000 28 02 04 -28.1 -34.2 28.38 13 26 163 2 001 67 50 76 -13-14-14 000 29 02 05 -26.2 -31.8 28.38 12 24 155 354 001 69 55 77 -14-14-13 000 30 02 06 -23.1 -28.8 28.38 12 24 148 346 000 68 63 77 -13-13-13 000 31 02 07 -20.7 -25.4 28.38 11 20 138 336 000 74 61 80 -12-12-12 000 32 02 08 -19.4 -22.6 28.37 10 15 129 327 -001 87 70 78 -12-12-12 000 33 02 09 -18.7 -21.3 28.37 9 14 132 331 000 92 60 66 -11-11-12 000 34 02 10 -19.6 -20.9 28.36 10 13 137 335 000 105 55 80 -10-11-12 000 35 02 11 -19.2 -19.7 28.36 10 15 133 331 000 116 65 83 -10-11-12 000 36 02 12 -18.0 -19.3 28.35 9 12 148 346 006 102 60 66 -10-11-12 000 37 02 13 -17.9 -18.6 28.35 11 17 155 353 002 114 55 79 -10-11-11 000 38 02 14 -16.6 -17.9 28.35 11 20 158 356 000 107 52 76 -10-11-12 000 39 02 15 -17.8 -18.3 28.35 12 22 153 351 004 115 55 71 -10-10-11 000 40 02 16 -17.5 -18.0 28.33 13 22 151 349 003 115 49 56 -10-10-11 000 41 02 17 -17.2 -17.8 28.33 11 21 144 342 -007 113 49 75 -10-11-12 000 42 02 18 -17.7 -18.9 28.31 11 19 156 355 -002 106 57 80 -9-10-11 000 43 02 19 -19.3 -20.5 28.32 10 17 150 348 -003 108 48 99 -11-10-11 000 44 02 20 -18.2 -20.5 28.31 9 14 141 340 002 96 61100 -11-11-12 000 45 02 21 -16.8 -18.9 28.31 7 12 128 327 -002 97 86106 -12-11-12 005 46 02 22 -18.0 -19.1 28.32 8 13 112 311 000 110 92 95 -12-11-12 014 47 02 23 -18.6 -19.6 28.34 8 14 94 292 003 113 92 94 -13-12-12 000 48 03 00 -22.2 -22.7 28.35 11 14 63 262 -001 123103 97 -13-12-13 001 49 03 01 -22.9 -23.5 28.37 9 16 61 259 000 124108 82 -14-14-14 000 50 03 02 -21.7 -22.2 28.38 11 22 44 243 001 122 93 85 -14-14-14 000 51 03 03 -21.7 -22.1 28.40 12 23 39 237 005 122108 90 -14-15-16 000 52 03 04 -21.6 -22.1 28.42 10 21 36 234 002 122110101 -15-15-16 001 53 03 05 -22.0 -22.6 28.44 7 19 29 227 000 121109101 -15-16-16 005 54 03 06 -20.6 -20.7 28.46 6 13 21 219 005 120111115 -15-16-17 003 55 03 07 -20.2 -20.3 28.48 5 11 19 217 -001 120109103 -16-16-17 004 56 03 08 -19.5 -19.5 28.48 3 5 58 256 -001 119105 69 -14-15-17 001 57 03 09 -20.7 -20.7 28.49 4 7 53 252 -005 121 92 88 -15-15-15 000 58 03 10 -21.1 -21.4 28.50 5 8 23 221 -005 121 64 87 -14-15-16 000 59 03 11 -21.2 -21.8 28.52 5 8 14 212 -006 121 73 81 -15-15-16 000 60 03 12 -21.9 -22.2 28.53 4 8 353 191 -004 122 66 86 -15-15-16 000 61 03 13 -22.0 -22.2 28.55 5 12 358 196 -003 122 73 90 -16-16-17 000 62 03 14 -22.3 -22.7 28.58 6 13 9 208 001 122 88 91 -17-17-18 000 63 03 15 -22.0 -22.5 28.61 6 18 355 193 000 122 88 95 -17-17-18 000 64 03 16 -23.5 -24.0 28.63 8 15 342 180 000 123 95 94 -17-17-18 000 65 03 17 -23.8 -24.4 28.66 10 18 346 185 -003 124101 98 -18-18-18 000 66 03 18 -24.4 -24.9 28.69 9 19 349 187 -004 125109 97 -19-19-19 001 67 03 19 -25.8 -26.4 28.72 8 19 358 197 -007 126114 93 -20-21-20 001 68 03 20 -26.2 -26.8 28.74 9 18 2 200 -006 128115 80 -21-21-20 000 69 03 21 -27.2 -27.9 28.76 9 19 15 213 -005 129105 70 -22-21-20 000 70 03 22 -26.7 -27.3 28.79 9 18 27 226 -006 128104 64 -23-21-21 000 71 03 23 -25.0 -25.5 28.82 11 17 28 226 -011 127 98 61 -23-21-20 000 72 04 00 -24.8 -25.3 28.85 10 15 43 241 -010 127 96 71 -22-21-20 000 73 04 01 -26.0 -26.6 28.88 8 13 59 257 -004 128107 74 -22-20-20 000 74 04 02 -25.5 -26.1 28.91 10 16 64 262 000 128112 86 -21-20-20 000 75 04 03 -25.9 -26.5 28.93 11 20 75 273 005 127109 76 -20-20-20 000 76 04 04 -25.8 -26.3 28.94 13 21 87 285 013 127 99 72 -19-19-19 000 77 04 05 -25.0 -25.5 28.96 13 25 88 286 015 126 83 82 -18-18-19 000 78 04 06 -24.1 -24.5 28.98 14 27 85 284 009 125 81 94 -18-18-18 000 79 04 07 -23.5 -24.0 29.00 13 25 89 287 008 124 79 87 -17-17-18 000 80 04 08 -23.5 -24.6 29.01 11 21 95 293 007 114 85 66 -16-16-17 000 81 04 09 -23.0 -25.2 29.02 12 20 85 284 000 100 88 74 -15-16-17 000 82 04 10 -22.6 -24.6 29.03 12 19 84 283 011 102 82 77 -15-16-17 000 83 04 11 -22.3 -23.1 29.05 10 20 85 283 004 115 81 93 -14-15-16 000 84 04 12 -21.5 -22.6 29.07 11 20 93 292 013 111 80 87 -14-15-16 000 85 04 13 -21.4 -22.3 29.07 9 14 111 309 004 110 68102 -13-14-15 000 86 04 14 -20.6 -21.1 29.09 11 19 103 302 -004 117 79104 -14-15-16 000 87 04 15 -18.3 -19.6 29.10 13 22 100 299 011 108 99110 -14-15-16 008 88 04 16 -19.1 -20.6 29.11 11 19 116 314 001 107100112 -13-15-16 012 89 04 17 -19.7 -23.1 29.12 12 22 119 318 001 87 92104 -13-15-16 013 90 04 18 -18.9 -20.4 29.12 13 24 112 311 008 106 49103 -14-15-15 000 91 04 19 -19.3 -21.1 29.11 9 17 113 311 000 98 69 90 -13-14-14 000 92 04 20 -19.5 -22.0 29.10 9 12 120 319 000 91 46 74 -12-12-13 000 93 04 21 -19.5 -24.7 29.10 10 13 119 317 -006 65 31 65 -11-12-13 000 94 04 22 -19.0 -24.0 29.10 11 16 122 320 -001 67 42 32 -11-12-13 000 95 04 23 -17.9 -25.7 29.10 13 21 113 312 003 48 20 18 -11-12-13 000 96 05 00 -18.7 -26.0 29.09 14 32 115 314 007 53 16 14 -10-11-12 000 97 05 01 -18.4 -26.1 29.09 19 34 112 310 013 52 17 14 -11-12-12 000 98 05 02 -18.7 -26.4 29.09 18 34 112 310 008 52 17 15 -12-12-12 000 99 05 03 -19.2 -27.2 29.09 18 33 111 309 010 50 19 22 -12-12-13 000 100 05 04 -19.6 -27.4 29.09 17 33 108 306 009 51 22 18 -12-12-13 000 101 05 05 -20.0 -27.5 29.09 17 33 109 307 008 53 21 19 -12-12-13 000 102 05 06 -20.1 -27.4 29.08 16 32 112 311 -001 55 22 15 -12-12-13 000 103 05 07 -20.0 -27.0 29.07 15 31 115 313 -007 56 25 10 -12-12-13 000 104 05 08 -19.8 -26.9 29.07 16 31 121 319 000 56 28 13 -12-12-13 000 105 05 09 -20.1 -26.9 29.07 16 31 130 328 -001 58 32 16 -12-12-13 000 106 05 10 -20.2 -26.9 29.06 17 33 138 336 001 59 31 17 -13-12-13 000 107 05 11 -20.0 -26.7 29.07 18 33 144 342 001 60 33 19 -13-13-13 000 108 05 12 -19.8 -27.1 29.07 18 34 151 350 002 54 35 20 -13-13-13 000 109 05 13 -19.9 -26.3 29.07 18 33 149 348 001 61 32 21 -13-13-13 000 110 05 14 -19.9 -25.4 29.07 18 33 151 349 004 68 36 25 -13-13-13 000 111 05 15 -20.0 -24.6 29.07 18 32 150 348 002 76 38 24 -13-13-13 000 112 05 16 -19.6 -22.2 29.08 17 31 149 348 000 94 37 21 -13-13-13 000 113 05 17 -18.9 -20.2 29.09 16 29 152 351 000 109 36 19 -13-13-13 000 114 05 18 -18.6 -19.4 29.09 15 28 153 352 000 114 36 17 -13-13-13 000 115 05 19 -18.6 -19.1 29.09 15 27 158 356 -001 118 34 26 -13-13-13 000 116 05 20 -19.1 -19.5 29.10 14 26 167 6 -001 120 35 29 -13-13-13 000 117 05 21 -19.9 -20.3 29.11 14 23 174 12 -002 120 36 29 -14-13-13 000 118 05 22 -20.8 -21.2 29.12 13 22 182 20 -005 122 39 30 -14-13-13 000 119 05 23 -21.5 -22.0 29.13 12 22 185 23 -003 122 40 31 -15-14-14 000 120 06 00 -21.6 -22.1 29.14 12 22 184 23 -004 122 41 32 -15-14-14 000 * 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.