USAP Roosevelt Island (ARI) site lat/lon = (-79.3633,-161.6268) cell lat/lon = (-79.3634,-161.6464) Forecast initialized at 2026-02-20/12 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 20 12 -21.7 -24.3 29.17 8 22 230 69 000 69 52 52 -11-10-10 000 1 20 13 -22.2 -22.6 29.16 13 21 203 41 -004 123 55 51 -13-11-11 000 2 20 14 -22.6 -23.0 29.15 13 21 200 38 -008 124 52 51 -13-11-10 000 3 20 15 -22.4 -23.0 29.16 13 21 195 34 -006 122 54 52 -13-11-10 000 4 20 16 -22.5 -23.5 29.16 13 21 199 38 -005 117 57 55 -14-11-11 000 5 20 17 -22.2 -23.8 29.14 12 21 199 37 -003 110 59 59 -13-11-11 000 6 20 18 -21.7 -23.6 29.14 13 22 198 36 -001 105 49 54 -13-11-11 000 7 20 19 -21.3 -23.2 29.11 13 22 199 38 -003 104 42 42 -13-11-11 000 8 20 20 -20.8 -23.0 29.10 14 25 203 42 -004 100 36 37 -13-11-11 000 9 20 21 -20.5 -23.7 29.10 14 25 204 43 -006 90 37 36 -13-11-11 000 10 20 22 -20.5 -23.8 29.10 15 26 204 42 -006 89 47 31 -13-11-11 000 11 20 23 -19.8 -22.6 29.08 14 27 199 38 -007 93 46 28 -13-12-11 000 12 21 00 -18.7 -22.3 29.06 15 31 193 32 -005 85 34 27 -13-12-12 000 13 21 01 -18.6 -24.0 29.05 14 27 194 32 -004 69 35 30 -13-12-13 000 14 21 02 -19.2 -24.6 29.06 14 26 202 41 -006 68 33 26 -14-13-13 000 15 21 03 -19.7 -25.1 29.05 13 25 205 44 -011 68 36 24 -14-13-13 000 16 21 04 -20.3 -25.6 29.02 14 25 205 43 -018 70 40 25 -14-13-13 000 17 21 05 -21.1 -25.7 29.01 13 22 206 44 -017 76 43 25 -14-13-13 000 18 21 06 -21.3 -25.4 28.99 12 21 203 41 -005 80 44 25 -13-13-14 000 19 21 07 -21.2 -25.5 28.97 12 21 200 38 001 78 46 24 -13-13-13 000 20 21 08 -21.7 -26.3 28.97 11 20 195 33 002 74 30 27 -13-13-14 000 21 21 09 -22.0 -26.6 28.98 12 20 198 36 004 75 24 31 -13-13-14 000 22 21 10 -22.1 -26.2 28.97 12 21 199 37 004 81 27 32 -14-14-13 000 23 21 11 -22.7 -26.2 28.97 12 24 205 43 002 87 26 33 -14-14-13 000 24 21 12 -22.6 -26.0 28.96 13 21 204 42 001 88 25 33 -14-13-12 000 25 21 13 -22.1 -26.6 28.96 12 20 209 47 002 77 19 35 -14-12-11 000 26 21 14 -22.0 -26.7 28.96 12 19 211 49 001 75 18 19 -14-11-11 000 27 21 15 -22.0 -25.9 28.95 12 19 211 50 000 82 15 19 -13-11-10 000 28 21 16 -22.3 -25.4 28.95 12 19 210 49 -003 92 17 22 -13-11-10 000 29 21 17 -22.5 -25.2 28.94 12 19 208 46 -003 96 27 24 -12-11-10 000 30 21 18 -22.1 -24.9 28.94 12 21 207 45 -002 95 25 23 -13-11-10 000 31 21 19 -22.1 -24.6 28.94 11 19 204 43 -003 99 30 17 -13-11-10 000 32 21 20 -22.0 -24.3 28.94 11 19 202 41 -003 101 37 17 -12-11-10 000 33 21 21 -21.4 -23.9 28.93 10 16 203 42 000 97 42 22 -12-11-11 000 34 21 22 -20.7 -23.7 28.93 10 16 200 39 002 93 46 15 -12-11-11 000 35 21 23 -20.0 -23.3 28.94 10 16 198 36 001 89 47 12 -12-11-11 000 36 22 00 -20.1 -23.1 28.94 10 19 197 36 001 92 49 18 -12-11-11 000 37 22 01 -20.4 -23.3 28.95 11 20 192 30 001 93 46 30 -13-11-11 000 38 22 02 -20.5 -23.9 28.95 13 27 186 25 003 88 44 40 -14-12-11 000 39 22 03 -19.8 -24.7 28.96 17 35 174 13 002 73 33 33 -14-13-12 000 40 22 04 -20.0 -25.6 28.97 17 32 174 13 -001 68 27 25 -14-13-13 000 41 22 05 -21.3 -26.2 28.98 15 32 177 16 -001 75 27 19 -15-13-13 000 42 22 06 -21.1 -26.7 28.98 15 30 178 16 -002 67 28 19 -14-14-14 000 43 22 07 -22.1 -26.7 28.98 13 29 177 15 -001 77 26 20 -15-14-14 000 44 22 08 -21.1 -25.9 28.97 15 32 174 13 000 75 28 13 -15-14-14 000 45 22 09 -21.4 -27.1 28.98 14 29 178 16 -001 66 28 14 -15-15-14 000 46 22 10 -21.8 -27.7 28.99 14 27 185 24 -003 65 27 19 -15-14-14 000 47 22 11 -21.8 -28.2 28.99 14 27 189 27 -003 61 27 20 -16-14-14 000 48 22 12 -21.8 -28.6 28.99 14 24 194 32 -002 58 26 20 -15-15-14 000 49 22 13 -22.5 -29.0 29.00 12 18 203 42 -009 59 25 20 -15-14-14 000 50 22 14 -23.4 -29.5 29.00 10 15 211 50 -007 59 26 18 -15-14-15 000 51 22 15 -23.3 -29.6 29.01 9 15 213 51 -004 56 28 19 -14-14-14 000 52 22 16 -22.6 -29.1 29.01 10 16 214 53 -002 55 27 20 -14-14-14 000 53 22 17 -21.4 -28.4 29.00 11 16 213 51 000 52 27 20 -14-14-14 000 54 22 18 -20.2 -27.4 29.00 10 16 210 48 004 51 25 20 -13-14-13 000 55 22 19 -20.0 -26.7 28.99 10 16 203 41 009 56 25 22 -13-13-13 000 56 22 20 -20.3 -26.2 29.00 9 15 197 35 013 63 26 23 -13-13-12 000 57 22 21 -19.6 -25.8 29.00 9 14 196 34 004 61 28 24 -13-13-13 000 58 22 22 -19.0 -25.7 29.01 9 15 201 40 000 56 33 25 -14-13-13 000 59 22 23 -18.6 -25.7 29.01 10 16 205 44 002 54 42 21 -14-13-13 000 60 23 00 -18.5 -25.8 29.01 10 16 200 38 001 53 39 34 -14-13-13 000 61 23 01 -18.8 -26.1 29.01 9 15 197 36 -003 50 35 21 -14-14-14 000 62 23 02 -19.2 -26.6 29.01 8 15 195 33 -002 47 30 17 -14-13-13 000 63 23 03 -19.1 -27.1 29.01 10 16 204 42 005 45 23 34 -13-13-13 000 64 23 04 -19.3 -27.5 29.01 11 16 204 42 006 45 23 34 -13-13-12 000 65 23 05 -20.4 -28.1 29.00 10 18 199 37 006 48 25 17 -13-13-12 000 66 23 06 -20.3 -28.4 29.00 12 19 195 33 005 46 24 15 -13-13-11 000 67 23 07 -20.4 -28.7 29.01 12 20 198 36 004 45 24 13 -13-12-11 000 68 23 08 -20.4 -28.5 29.01 13 19 197 36 003 47 22 14 -12-12-11 000 69 23 09 -21.0 -28.5 29.01 11 18 201 39 004 49 40 14 -12-12-11 000 70 23 10 -21.7 -28.9 29.02 9 17 193 31 007 49 29 14 -13-12-12 000 71 23 11 -21.6 -29.2 29.03 9 15 191 29 004 47 18 14 -12-11-12 000 72 23 12 -21.1 -29.0 29.04 9 15 195 33 005 45 17 18 -12-11-12 000 73 23 13 -20.4 -28.8 29.04 8 13 198 37 004 43 17 43 -12-11-12 000 74 23 14 -19.7 -28.4 29.04 8 12 203 41 005 43 16 41 -12-11-12 000 75 23 15 -18.4 -28.3 29.05 6 9 201 40 000 40 18 38 -12-11-12 000 76 23 16 -16.7 -28.2 29.05 5 7 195 33 000 38 17 45 -12-11-12 000 77 23 17 -16.1 -28.2 29.05 3 5 195 33 -002 36 18 35 -12-12-12 000 78 23 18 -15.4 -28.6 29.04 1 6 223 61 -001 31 25 31 -12-13-13 000 79 23 19 -16.0 -28.6 29.04 3 4 276 114 -004 33 25 32 -12-13-14 000 80 23 20 -16.5 -24.1 29.04 5 7 292 131 000 53 37 43 -12-13-14 000 81 23 21 -15.4 -19.0 29.05 4 8 303 142 000 84 50 64 -12-13-14 000 82 23 22 -13.9 -15.7 29.04 4 9 321 159 001 98115 82 -13-15-14 000 83 23 23 -13.1 -15.0 29.03 3 7 43 242 -001 96114 56 -13-14-16 000 84 24 00 -12.6 -16.6 29.04 5 8 358 197 004 77105 45 -13-14-16 000 85 24 01 -13.5 -17.6 29.04 3 7 350 188 002 78 98 38 -14-15-16 000 86 24 02 -14.3 -18.9 29.03 2 5 21 219 000 76107 31 -14-15-16 000 87 24 03 -15.0 -18.1 29.03 1 3 161 359 001 88108 34 -14-15-16 000 88 24 04 -14.9 -17.3 29.03 5 6 82 281 002 93112 35 -14-15-17 000 89 24 05 -16.6 -20.6 29.05 6 9 145 343 002 79 92 37 -14-15-17 000 90 24 06 -18.0 -22.2 29.06 8 14 153 352 -001 75107 36 -14-16-17 000 91 24 07 -17.1 -20.1 29.07 8 13 162 0 001 88115 27 -15-16-18 000 92 24 08 -17.9 -20.4 29.08 6 10 178 17 -002 95117 40 -15-17-18 000 93 24 09 -20.8 -21.9 29.09 6 12 194 33 -005 110112 16 -16-17-18 000 94 24 10 -23.0 -23.5 29.11 7 13 199 37 -007 122 97 17 -17-18-17 000 95 24 11 -23.7 -24.2 29.12 7 12 190 28 -003 123101 24 -16-17-16 000 96 24 12 -24.2 -25.6 29.14 8 15 161 359 000 109 52 27 -16-17-17 000 97 24 13 -23.7 -29.9 29.15 10 14 130 328 001 58 38 31 -16-17-17 000 98 24 14 -23.1 -28.8 29.16 8 11 131 330 001 63 47 29 -16-17-18 000 99 24 15 -22.9 -28.9 29.17 7 9 135 333 001 61 51 23 -17-17-18 000 100 24 16 -22.6 -28.7 29.18 6 8 118 317 002 62 54 28 -17-17-18 000 101 24 17 -21.1 -26.9 29.19 4 6 101 300 002 69 49 31 -17-18-19 000 102 24 18 -20.1 -27.3 29.19 1 3 74 272 003 60 46 26 -17-18-19 000 103 24 19 -19.7 -27.8 29.20 1 2 332 171 001 55 46 24 -17-18-18 000 104 24 20 -19.9 -27.5 29.20 3 4 261 100 000 58 51 23 -17-18-18 000 105 24 21 -19.4 -27.6 29.20 3 6 236 74 001 54 54 29 -17-18-17 000 106 24 22 -20.4 -27.1 29.21 5 8 234 73 000 55 85 25 -17-17-15 000 107 24 23 -20.5 -25.9 29.21 6 11 229 67 000 63 49 25 -17-15-16 000 108 25 00 -20.0 -24.0 29.21 7 11 213 52 000 80 29 26 -16-15-16 000 109 25 01 -20.5 -23.8 29.20 6 10 214 52 003 86 30 28 -15-15-15 000 110 25 02 -20.8 -22.2 29.19 6 9 205 43 002 111 32 28 -14-15-15 000 111 25 03 -21.0 -21.5 29.18 5 8 198 36 000 121 34 29 -14-15-15 000 112 25 04 -20.6 -20.9 29.17 5 8 190 28 001 120 32 29 -14-15-14 000 113 25 05 -20.1 -20.2 29.17 5 7 193 31 -001 119 32 29 -14-15-15 000 114 25 06 -20.0 -20.3 29.17 4 6 184 23 000 115 30 29 -14-15-15 000 115 25 07 -19.6 -21.7 29.16 4 6 169 7 -001 97 28 29 -14-14-15 000 116 25 08 -19.9 -22.3 29.15 4 6 165 3 000 94 30 28 -14-15-15 000 117 25 09 -20.0 -23.4 29.14 4 6 150 348 002 86 29 28 -14-15-15 000 118 25 10 -22.2 -24.7 29.14 6 8 142 340 000 93 26 30 -14-15-15 000 119 25 11 -21.7 -28.6 29.13 7 8 134 332 000 56 28 29 -14-15-16 000 120 25 12 -21.3 -29.9 29.12 7 9 134 332 000 47 28 29 -14-15-16 000 * 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.