USAP Roosevelt Island (ARI) site lat/lon = (-79.3633,-161.6268) cell lat/lon = (-79.3634,-161.6464) Forecast initialized at 2026-02-01/00 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 -3.7 -4.5 28.91 8 11 56 255 000 97 92 87 -6 -6 -7 000 1 01 01 -5.2 -5.2 28.89 11 14 44 242 -006 105105 93 -6 -7 -7 000 2 01 02 -5.0 -5.0 28.90 11 15 45 244 -008 105107 88 -6 -7 -7 000 3 01 03 -4.9 -5.4 28.89 11 15 40 239 -007 101104 89 -6 -7 -7 000 4 01 04 -5.1 -5.2 28.91 10 14 42 241 -007 105100 93 -6 -6 -7 000 5 01 05 -5.5 -5.5 28.91 10 14 53 251 -013 105 99 95 -6 -6 -7 000 6 01 06 -5.6 -5.7 28.89 10 15 59 257 -015 105 99 93 -6 -6 -7 000 7 01 07 -5.8 -5.9 28.89 10 15 60 259 -023 105 98102 -6 -6 -7 001 8 01 08 -5.9 -6.6 28.90 10 16 64 262 -011 100105104 -6 -7 -7 004 9 01 09 -6.0 -6.4 28.89 11 18 56 255 -001 103107101 -6 -7 -8 011 10 01 10 -5.8 -5.9 28.89 14 20 49 248 -007 105107 93 -6 -7 -7 014 11 01 11 -5.5 -5.6 28.89 16 21 49 247 -012 105107 97 -6 -6 -7 016 12 01 12 -5.3 -5.5 28.87 15 21 47 245 -002 104106105 -6 -6 -7 024 13 01 13 -5.0 -5.1 28.87 16 22 37 236 -004 105106104 -5 -6 -7 020 14 01 14 -4.8 -4.9 28.88 15 20 32 230 -005 104106102 -5 -6 -7 013 15 01 15 -4.6 -4.7 28.88 15 19 25 223 -002 104106 93 -5 -6 -7 010 16 01 16 -4.4 -4.5 28.89 14 18 17 215 -002 104106100 -5 -6 -7 010 17 01 17 -4.3 -4.4 28.89 13 17 16 214 000 104106100 -5 -6 -7 007 18 01 18 -4.2 -4.3 28.88 13 18 13 212 -003 104106110 -5 -6 -7 008 19 01 19 -4.1 -4.3 28.88 13 18 16 214 -003 103106108 -5 -6 -7 010 20 01 20 -4.0 -4.3 28.88 13 17 18 216 -003 101104110 -5 -6 -7 015 21 01 21 -3.9 -4.1 28.88 13 17 17 215 000 103103110 -5 -6 -7 021 22 01 22 -3.6 -4.1 28.88 12 16 14 213 -008 99100110 -5 -5 -7 012 23 01 23 -3.5 -3.9 28.87 12 15 21 220 -004 99 98109 -5 -5 -6 008 24 02 00 -3.4 -3.9 28.87 11 14 29 228 -002 99 98109 -4 -5 -6 005 25 02 01 -3.4 -3.5 28.86 11 13 32 230 -001 102102109 -4 -5 -6 008 26 02 02 -3.3 -3.5 28.85 10 13 30 229 -002 101105107 -4 -5 -6 007 27 02 03 -3.5 -3.5 28.85 11 14 29 227 -003 103105106 -4 -5 -6 014 28 02 04 -3.5 -3.5 28.84 10 14 27 225 -003 103105106 -4 -5 -6 006 29 02 05 -3.6 -3.7 28.83 10 13 27 225 -002 103105108 -4 -5 -6 008 30 02 06 -3.7 -3.8 28.82 10 12 29 227 -002 103106105 -4 -6 -6 012 31 02 07 -4.0 -4.0 28.82 9 13 32 231 -001 104106107 -5 -5 -6 013 32 02 08 -3.7 -3.8 28.80 9 16 43 242 -004 103105108 -4 -5 -6 011 33 02 09 -3.8 -3.9 28.80 11 16 33 231 -007 103105107 -4 -5 -6 004 34 02 10 -3.8 -3.8 28.79 9 14 37 236 -005 103104104 -4 -5 -6 005 35 02 11 -3.8 -4.0 28.79 6 10 48 247 -008 102 98 99 -4 -5 -6 031 36 02 12 -3.8 -4.2 28.78 5 9 68 267 -006 100 96 98 -4 -5 -5 044 37 02 13 -3.7 -4.2 28.77 4 6 63 262 -006 100100 99 -4 -4 -5 044 38 02 14 -3.6 -4.1 28.77 6 10 66 264 -007 100101102 -4 -4 -5 045 39 02 15 -3.5 -4.1 28.77 13 19 18 216 -007 98106 98 -4 -5 -7 046 40 02 16 -3.8 -4.4 28.76 17 23 34 232 -005 99106100 -5 -6 -7 037 41 02 17 -4.6 -4.9 28.76 20 27 23 221 -003 102107102 -5 -7 -7 036 42 02 18 -4.7 -4.9 28.76 21 28 20 218 -002 103107 94 -6 -7 -8 022 43 02 19 -4.8 -5.0 28.76 22 29 16 214 -001 104107 90 -6 -7 -8 026 44 02 20 -4.9 -5.0 28.76 24 31 13 211 008 105107 90 -6 -7 -7 012 45 02 21 -4.8 -4.9 28.76 23 31 14 212 -003 105107 94 -6 -7 -8 013 46 02 22 -4.4 -4.5 28.76 21 29 17 215 -007 104106108 -5 -6 -7 012 47 02 23 -4.2 -4.3 28.76 20 27 18 217 -011 103106107 -5 -6 -7 015 48 03 00 -4.0 -4.1 28.76 20 27 19 218 000 104106107 -5 -6 -7 015 49 03 01 -4.0 -4.0 28.76 19 25 19 217 003 104106102 -5 -6 -7 015 50 03 02 -4.0 -4.1 28.75 18 23 22 220 000 104106104 -5 -6 -7 005 51 03 03 -4.0 -4.0 28.75 17 23 25 223 -001 104106101 -5 -6 -7 002 52 03 04 -3.8 -3.9 28.75 15 21 25 223 -001 103106103 -4 -6 -7 000 53 03 05 -3.7 -3.8 28.75 13 20 34 232 000 103105108 -4 -5 -6 000 54 03 06 -3.6 -3.7 28.75 10 16 39 237 002 103105109 -4 -5 -6 003 55 03 07 -3.5 -3.5 28.73 11 14 46 245 -001 103105109 -4 -5 -6 037 56 03 08 -3.4 -3.5 28.72 9 15 57 256 000 103105109 -4 -5 -6 009 57 03 09 -3.5 -3.7 28.71 9 15 68 267 -001 102104106 -4 -5 -6 005 58 03 10 -3.7 -3.7 28.70 7 11 79 277 -003 103102109 -4 -5 -6 000 59 03 11 -5.1 -5.2 28.69 6 9 102 301 -002 105101101 -3 -4 -5 000 60 03 12 -5.7 -5.8 28.68 5 8 109 307 -003 105 98106 -3 -4 -5 000 61 03 13 -5.0 -5.1 28.67 6 10 116 315 -001 104 96105 -3 -4 -5 000 62 03 14 -5.4 -5.5 28.67 6 10 117 315 -001 105 95 81 -3 -4 -5 000 63 03 15 -5.9 -6.1 28.66 5 8 129 327 -003 105102 79 -3 -4 -5 000 64 03 16 -5.7 -5.9 28.65 6 12 132 331 -002 105 98 91 -3 -4 -5 000 65 03 17 -4.9 -5.1 28.64 6 13 125 323 002 104 91 87 -2 -3 -4 000 66 03 18 -3.8 -4.5 28.64 6 11 124 322 003 97 88 89 -2 -3 -4 000 67 03 19 -3.2 -4.1 28.63 7 11 158 356 001 96 86 98 -1 -2 -3 000 68 03 20 -2.1 -2.7 28.62 8 11 147 346 -002 96 83 98 -1 -2 -3 001 69 03 21 -1.3 -2.2 28.62 9 10 147 345 000 94 82 97 -1 -2 -3 004 70 03 22 -1.1 -2.1 28.62 6 8 138 337 000 92 78 91 -1 -2 -3 001 71 03 23 -0.6 -2.3 28.63 5 7 123 321 000 87 80 96 -1 -2 -3 000 72 04 00 -0.3 -2.6 28.63 5 6 125 323 -001 82 83 97 -1 -2 -3 001 73 04 01 -0.4 -2.2 28.63 4 5 145 344 -002 86 87 97 -1 -2 -3 005 74 04 02 -0.6 -2.2 28.63 4 5 165 3 -002 88 90 99 -1 -2 -3 012 75 04 03 -0.9 -2.1 28.63 5 6 192 31 -003 91 89101 -2 -2 -3 016 76 04 04 -1.3 -2.1 28.63 6 8 196 35 005 94 87 99 -2 -3 -4 014 77 04 05 -2.0 -2.8 28.63 6 8 210 49 -005 95 78 92 -2 -3 -4 005 78 04 06 -2.5 -3.2 28.64 6 8 218 57 -003 96 80 89 -2 -3 -3 001 79 04 07 -3.6 -3.7 28.64 6 8 224 63 001 103 81 92 -2 -3 -3 001 80 04 08 -4.3 -4.4 28.64 6 9 224 62 -001 104 82 90 -2 -3 -4 001 81 04 09 -4.5 -4.6 28.65 6 9 216 54 -001 104 86 93 -3 -3 -4 003 82 04 10 -4.4 -4.5 28.65 5 8 216 54 -003 104 91 97 -3 -3 -4 011 83 04 11 -4.1 -4.3 28.66 5 9 223 62 -001 103 92 98 -3 -3 -4 025 84 04 12 -4.1 -4.3 28.66 5 9 224 62 -002 103 92 98 -3 -4 -4 029 85 04 13 -4.1 -4.2 28.67 6 10 213 51 -004 104 94 98 -4 -4 -5 026 86 04 14 -3.8 -4.1 28.67 7 11 208 46 -005 102 99101 -4 -4 -5 037 87 04 15 -3.7 -4.1 28.68 7 10 206 45 -001 100 98102 -4 -4 -5 047 88 04 16 -3.8 -4.2 28.68 6 9 196 34 000 100 97103 -4 -4 -5 037 89 04 17 -3.9 -4.4 28.69 5 8 172 10 -002 99 97107 -4 -4 -5 021 90 04 18 -3.8 -4.5 28.70 5 8 140 338 -001 97102106 -4 -5 -5 014 91 04 19 -3.4 -4.2 28.71 6 7 107 306 000 97105100 -4 -5 -6 014 92 04 20 -3.2 -4.0 28.72 5 5 95 293 -002 96102101 -4 -5 -6 017 93 04 21 -3.0 -3.9 28.73 3 4 89 288 -002 95103 99 -4 -5 -6 027 94 04 22 -2.7 -3.9 28.74 2 2 79 277 -001 93105100 -4 -5 -6 027 95 04 23 -2.5 -3.8 28.75 2 2 40 238 -001 92105101 -4 -5 -6 017 96 05 00 -2.2 -3.6 28.76 2 2 3 201 -002 91105103 -3 -5 -6 012 97 05 01 -2.0 -3.5 28.77 2 3 9 207 -002 90 96105 -3 -4 -5 013 98 05 02 -2.0 -3.2 28.77 4 4 19 217 -001 92104108 -3 -4 -5 015 99 05 03 -2.2 -2.8 28.78 7 7 19 217 000 97104108 -3 -4 -5 025 100 05 04 -2.6 -2.9 28.78 7 7 34 232 000 99104108 -3 -4 -5 026 101 05 05 -2.8 -3.3 28.79 15 17 289 127 -008 98104108 -4 -4 -5 028 102 05 06 -3.9 -4.3 28.81 10 14 292 130 000 101101 99 -5 -4 -5 017 103 05 07 -4.5 -5.1 28.82 11 15 299 138 000 100 92109 -4 -4 -5 010 104 05 08 -5.5 -6.0 28.83 11 15 302 140 -002 102 94103 -4 -4 -5 011 105 05 09 -6.1 -6.5 28.84 11 15 310 149 000 104 94106 -5 -5 -5 008 106 05 10 -6.1 -6.2 28.85 11 16 318 157 000 106 98107 -7 -5 -6 008 107 05 11 -5.9 -6.0 28.87 11 14 320 159 000 106 95109 -7 -5 -6 007 108 05 12 -6.0 -6.2 28.88 10 14 325 163 000 106 99110 -7 -6 -6 004 109 05 13 -6.3 -7.2 28.88 10 16 324 162 000 98 98108 -7 -7 -7 005 110 05 14 -6.2 -6.5 28.89 10 14 337 175 001 104108103 -7 -8 -7 006 111 05 15 -6.4 -6.5 28.90 11 15 332 171 003 106101 98 -7 -8 -9 008 112 05 16 -6.5 -7.6 28.91 10 15 328 166 000 97 93 85 -7 -8 -9 002 113 05 17 -6.2 -6.7 28.92 10 13 341 179 001 102103 78 -7 -8 -9 003 114 05 18 -6.1 -7.1 28.93 10 13 332 171 -002 97107 99 -7 -8 -9 001 115 05 19 -6.4 -6.5 28.94 10 12 351 189 000 106109114 -7 -8 -9 002 116 05 20 -6.2 -7.3 28.95 10 12 356 194 000 97 96112 -7 -8 -9 000 117 05 21 -7.4 -7.4 28.96 8 12 358 197 000 107 82 92 -8 -8 -9 000 118 05 22 -7.5 -7.5 28.97 7 10 6 205 000 107 84 96 -8 -8 -9 000 119 05 23 -7.5 -7.5 28.98 8 10 11 209 000 107 99 91 -8 -8-10 000 120 06 00 -7.3 -7.4 28.98 9 10 13 212 000 107 95 92 -8 -8 -9 000 * 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.