USAP Roosevelt Island (ARI) site lat/lon = (-79.3633,-161.6268) cell lat/lon = (-79.3634,-161.6464) Forecast initialized at 2026-02-02/00 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 02 00 -2.3 -3.4 28.88 10 13 21 219 000 97 99 93 -5 -6 -7 000 1 02 01 -3.9 -4.5 28.86 12 17 17 216 -006 98101104 -5 -6 -7 004 2 02 02 -3.7 -4.1 28.87 11 14 19 218 -004 100106103 -5 -6 -7 002 3 02 03 -3.6 -4.1 28.86 10 13 21 220 -005 100106105 -5 -6 -7 002 4 02 04 -3.5 -3.9 28.87 9 12 28 226 -006 100104106 -4 -5 -6 003 5 02 05 -3.4 -3.7 28.85 8 11 22 220 -006 101105108 -4 -5 -6 003 6 02 06 -3.6 -3.7 28.86 11 13 24 222 -003 103105109 -4 -5 -6 010 7 02 07 -3.7 -3.8 28.83 9 12 22 221 -004 103105109 -4 -5 -6 008 8 02 08 -3.6 -3.7 28.84 9 11 27 225 -003 103105109 -4 -5 -6 005 9 02 09 -3.7 -3.8 28.82 8 12 31 230 -004 103105108 -4 -5 -6 008 10 02 10 -3.8 -3.8 28.83 9 14 30 228 -001 103105108 -4 -5 -6 005 11 02 11 -3.7 -3.8 28.82 9 14 43 241 -001 103105108 -4 -5 -6 009 12 02 12 -4.0 -4.1 28.81 11 15 46 244 -003 104103102 -5 -5 -6 004 13 02 13 -4.1 -4.2 28.80 10 13 48 246 -008 103104 96 -5 -5 -6 013 14 02 14 -4.0 -4.1 28.80 10 14 53 252 -006 104104 97 -5 -5 -6 029 15 02 15 -3.8 -3.9 28.80 11 15 56 254 -007 103105 98 -4 -5 -6 023 16 02 16 -3.4 -3.7 28.81 10 16 42 240 -009 101105101 -4 -5 -6 025 17 02 17 -3.3 -3.4 28.79 11 18 52 250 -008 103105102 -4 -5 -6 017 18 02 18 -3.0 -3.2 28.77 15 20 38 236 -010 102105101 -4 -5 -6 039 19 02 19 -3.2 -3.4 28.77 15 19 22 221 -008 102105104 -4 -5 -6 025 20 02 20 -3.5 -3.5 28.78 15 19 21 219 -010 103105 99 -4 -5 -6 010 21 02 21 -3.3 -3.5 28.78 16 20 18 217 -009 101105 95 -4 -5 -6 011 22 02 22 -3.1 -3.3 28.78 15 20 24 222 -010 102105 93 -4 -5 -6 008 23 02 23 -3.2 -3.2 28.78 14 18 21 219 -002 103105 96 -4 -5 -6 006 24 03 00 -3.1 -3.1 28.77 13 19 31 229 -003 103105 83 -4 -5 -6 003 25 03 01 -2.8 -2.9 28.75 13 17 31 230 -004 103105 86 -4 -5 -5 000 26 03 02 -2.7 -2.7 28.75 12 16 32 230 -004 103105 91 -4 -5 -4 001 27 03 03 -2.5 -2.7 28.74 12 15 34 232 -001 100105 80 -3 -5 -5 000 28 03 04 -2.8 -3.1 28.73 11 14 41 239 001 100100 83 -3 -4 -4 000 29 03 05 -2.7 -2.7 28.72 12 15 53 251 -012 102101 80 -3 -4 -4 000 30 03 06 -3.2 -3.2 28.72 10 12 88 287 -006 103102 91 -4 -4 -4 000 31 03 07 -2.9 -2.9 28.71 11 13 86 285 -006 103105 84 -4 -5 -3 000 32 03 08 -2.7 -2.8 28.69 11 15 88 286 -002 102 91103 -3 -3 -3 000 33 03 09 -2.8 -2.9 28.68 12 15 85 283 -004 102 95 98 -4 -3 -4 000 34 03 10 -3.4 -3.5 28.67 11 15 94 292 -003 103 87 88 -3 -3 -4 000 35 03 11 -3.7 -3.8 28.66 11 17 102 300 -008 103 91101 -3 -3 -4 000 36 03 12 -3.2 -3.4 28.65 12 17 109 308 -016 101 90100 -3 -3 -4 000 37 03 13 -4.1 -4.3 28.64 9 16 118 317 -017 103 86 96 -3 -2 -3 000 38 03 14 -5.3 -5.4 28.62 10 19 127 325 001 105 85 93 -1 -2 -3 000 39 03 15 -5.4 -5.5 28.61 11 19 133 331 006 105 86 93 -2 -3 -3 000 40 03 16 -4.9 -5.0 28.60 14 21 137 336 002 105 84 89 -3 -2 -3 000 41 03 17 -4.3 -4.4 28.60 15 20 141 340 000 104 85 83 -4 -3 -3 000 42 03 18 -3.9 -3.9 28.59 15 20 138 337 000 104 82 79 -5 -2 -3 000 43 03 19 -3.3 -3.3 28.60 15 20 136 335 -002 103 88 85 -4 -3 -3 000 44 03 20 -3.2 -3.2 28.60 14 19 136 335 -004 103 90 87 -4 -3 -3 000 45 03 21 -3.1 -3.1 28.60 14 18 139 338 003 103 95 80 -4 -3 -3 000 46 03 22 -2.9 -3.0 28.59 14 18 147 345 001 103 87 79 -4 -3 -2 000 47 03 23 -3.0 -3.1 28.58 15 18 154 353 -001 103 80 76 -4 -2 -2 000 48 04 00 -2.8 -2.8 28.59 14 17 155 353 000 103 84 80 -4 -3 -2 000 49 04 01 -2.6 -2.8 28.59 13 16 153 351 000 101 92 85 -4 -3 -3 001 50 04 02 -2.4 -2.9 28.60 12 15 150 348 -002 99 96 89 -3 -4 -4 006 51 04 03 -2.3 -2.6 28.60 11 13 147 345 -004 99104 90 -3 -4 -4 004 52 04 04 -2.3 -2.9 28.60 10 12 150 349 -002 97105 90 -3 -4 -5 005 53 04 05 -2.4 -2.7 28.61 8 11 163 2 -002 99104 92 -3 -4 -5 008 54 04 06 -2.3 -2.7 28.61 7 10 162 0 -001 99102 89 -3 -4 -5 024 55 04 07 -2.5 -2.8 28.60 8 10 168 7 -001 100103 93 -3 -4 -5 022 56 04 08 -2.7 -3.0 28.60 9 11 166 4 -001 100104102 -3 -4 -5 023 57 04 09 -2.8 -3.1 28.61 8 11 163 2 -002 100105104 -3 -5 -5 041 58 04 10 -3.0 -3.3 28.61 8 11 167 5 -002 100101106 -4 -4 -5 036 59 04 11 -3.1 -3.3 28.61 8 10 172 10 -002 101 98105 -4 -4 -5 032 60 04 12 -3.3 -3.4 28.61 6 10 182 20 -004 103104107 -4 -5 -6 026 61 04 13 -3.7 -3.9 28.62 6 8 173 11 001 103 99101 -4 -4 -5 026 62 04 14 -3.7 -3.8 28.62 5 7 174 12 -001 103 94102 -4 -4 -5 010 63 04 15 -3.7 -4.0 28.62 4 4 165 3 -001 101 95102 -4 -4 -5 015 64 04 16 -3.9 -4.1 28.63 3 3 164 2 000 102 98106 -4 -5 -6 016 65 04 17 -3.5 -3.9 28.63 3 3 180 18 -003 100 98107 -4 -5 -6 015 66 04 18 -3.3 -3.8 28.64 1 2 219 58 -001 98103107 -4 -5 -6 018 67 04 19 -2.9 -3.7 28.65 4 5 292 130 -001 96105109 -4 -5 -6 013 68 04 20 -3.5 -4.5 28.66 9 11 311 149 -002 95105106 -5 -6 -6 013 69 04 21 -3.5 -4.6 28.67 11 12 327 165 000 94106108 -5 -6 -6 027 70 04 22 -3.7 -4.8 28.69 12 14 343 182 -001 94106104 -5 -6 -7 019 71 04 23 -4.1 -5.2 28.70 11 17 345 184 -003 95 96101 -5 -6 -7 006 72 05 00 -4.2 -5.0 28.71 12 17 349 188 002 98105 96 -5 -7 -7 000 73 05 01 -4.3 -4.7 28.72 12 16 352 191 000 100107 93 -5 -7 -7 000 74 05 02 -4.3 -5.4 28.72 11 15 359 197 001 95107 82 -5 -7 -8 000 75 05 03 -4.3 -5.5 28.72 11 14 6 204 -001 93102 81 -5 -7 -8 000 76 05 04 -4.7 -5.5 28.72 9 12 27 225 -002 98103 82 -5 -6 -7 000 77 05 05 -4.6 -5.4 28.73 11 13 16 214 -008 97102 81 -6 -7 -7 006 78 05 06 -5.3 -5.4 28.73 9 12 22 220 -001 105 95 91 -6 -6 -8 000 79 05 07 -5.2 -5.3 28.74 10 13 35 233 000 105104 86 -6 -7 -8 000 80 05 08 -5.3 -5.4 28.74 9 14 47 245 000 105 99 98 -6 -7 -7 000 81 05 09 -5.3 -5.4 28.74 9 13 59 258 000 105 92104 -6 -6 -8 003 82 05 10 -5.4 -5.5 28.74 11 14 65 264 -025 105104111 -6 -7 -8 003 83 05 11 -5.6 -5.7 28.75 10 12 65 263 -003 105107111 -6 -7 -8 014 84 05 12 -5.7 -5.8 28.74 8 14 73 271 -004 105107111 -6 -7 -8 011 85 05 13 -5.5 -5.7 28.74 10 14 53 252 -003 105107104 -6 -7 -8 023 86 05 14 -5.6 -5.8 28.75 11 16 39 237 -004 105105104 -6 -7 -8 014 87 05 15 -6.0 -6.1 28.75 9 14 34 232 -009 106103102 -7 -7 -8 006 88 05 16 -6.0 -6.1 28.75 8 12 35 234 -009 106101100 -7 -7 -8 003 89 05 17 -5.5 -5.6 28.76 7 12 64 262 -011 105104 94 -6 -7 -8 000 90 05 18 -5.7 -5.8 28.76 10 12 90 288 -011 105107 99 -6 -7 -8 001 91 05 19 -5.5 -5.6 28.76 11 12 80 279 -009 105101 94 -6 -7 -7 000 92 05 20 -4.9 -5.2 28.76 10 12 78 276 -007 102100 95 -6 -6 -7 002 93 05 21 -4.5 -5.0 28.76 9 12 84 282 -005 100106 94 -5 -6 -7 010 94 05 22 -4.0 -4.4 28.76 10 11 86 285 -003 100106 91 -5 -6 -7 008 95 05 23 -3.9 -4.3 28.76 10 11 83 281 -001 100103 98 -5 -6 -7 010 96 06 00 -4.0 -4.7 28.76 8 10 89 287 -001 98101 96 -5 -6 -7 006 97 06 01 -4.4 -4.5 28.76 7 9 83 281 001 103107 97 -5 -6 -8 003 98 06 02 -3.9 -4.8 28.75 8 9 74 272 001 97 96111 -5 -6 -7 008 99 06 03 -4.1 -5.0 28.75 8 9 74 272 001 96 94111 -5 -6 -7 015 100 06 04 -4.1 -4.9 28.74 5 6 73 271 000 97 99111 -5 -6 -7 010 101 06 05 -4.0 -4.7 28.74 4 5 65 263 000 99100110 -5 -6 -7 008 102 06 06 -4.2 -4.8 28.74 4 5 56 254 001 99 94109 -5 -6 -7 006 103 06 07 -4.5 -4.8 28.74 4 5 43 241 000 102 97109 -5 -6 -7 006 104 06 08 -4.6 -4.7 28.74 4 5 31 229 000 104106100 -5 -6 -7 001 105 06 09 -4.7 -4.7 28.74 4 5 355 193 000 104106100 -5 -6 -7 001 106 06 10 -5.3 -5.7 28.74 3 5 354 193 000 103103106 -5 -6 -7 002 107 06 11 -5.7 -5.8 28.74 4 6 344 182 002 105104102 -6 -6 -7 001 108 06 12 -5.2 -5.3 28.74 3 4 327 166 001 105104 97 -6 -7 -7 000 109 06 13 -5.1 -5.2 28.74 4 5 293 131 000 105107 97 -6 -7 -7 000 110 06 14 -5.4 -5.5 28.73 5 5 280 119 001 105103104 -6 -7 -8 000 111 06 15 -5.7 -5.8 28.73 4 5 279 117 -001 105104 96 -6 -7 -7 000 112 06 16 -5.6 -5.6 28.73 3 4 287 125 000 105107 96 -6 -7 -8 000 113 06 17 -5.4 -5.9 28.73 2 3 299 137 001 101104106 -6 -7 -8 000 114 06 18 -5.2 -6.1 28.73 2 4 305 143 -002 97104105 -6 -7 -8 003 115 06 19 -5.1 -6.8 28.73 3 3 323 162 000 91 96101 -6 -7 -8 003 116 06 20 -5.1 -7.7 28.73 3 3 330 169 -003 84 84 99 -6 -7 -8 000 117 06 21 -5.2 -7.5 28.72 3 3 321 159 -002 86 83105 -6 -7 -8 000 118 06 22 -5.0 -7.9 28.72 2 3 285 123 -002 82 86 89 -6 -7 -8 000 119 06 23 -5.1 -7.8 28.72 1 3 243 81 000 84 85 89 -6 -7 -8 000 120 07 00 -5.0 -7.3 28.72 1 4 103 301 -001 86 98 90 -6 -7 -8 000 * 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.