USAP Grounding Zone (ACT) site lat/lon = (-84.3380,-163.5425) cell lat/lon = (-84.3284,-163.5930) Forecast initialized at 2026-10-14/00 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 14 00 -11.0 -13.3 28.74 16 19 121 317 000 86 83 82 -11-11-12 000 1 14 01 -12.9 -15.7 28.74 13 22 113 309 -006 87 80 79 -12-11-11 000 2 14 02 -13.5 -16.2 28.74 10 23 107 304 -008 89 83 75 -12-10-10 000 3 14 03 -13.7 -15.7 28.74 8 24 103 299 -004 95 85 82 -9 -9 -9 000 4 14 04 -11.5 -13.0 28.70 12 34 118 315 -003 99 73 82 -8 -8 -9 000 5 14 05 -10.0 -12.6 28.72 17 32 113 310 -006 86 73 73 -8 -8 -9 000 6 14 06 -10.4 -12.6 28.74 15 29 116 313 -010 90 83 73 -9 -9-10 000 7 14 07 -11.3 -12.6 28.75 12 27 103 299 -011 100 92 71 -10-10-10 000 8 14 08 -13.5 -13.8 28.76 12 26 106 302 -006 113 89 80 -11-10-10 000 9 14 09 -14.8 -15.1 28.74 13 27 103 300 -005 115 93 72 -12-11-11 000 10 14 10 -14.4 -14.7 28.79 12 27 106 303 -008 114 91 44 -12-11-12 000 11 14 11 -14.6 -15.0 28.81 11 29 113 309 -006 114 93 42 -11-12-11 000 12 14 12 -13.0 -14.1 28.80 15 29 117 313 -010 105 90 77 -11-12-11 000 13 14 13 -12.8 -14.5 28.83 17 31 123 320 -009 97 86100 -11-12-12 000 14 14 14 -12.6 -14.8 28.84 18 32 124 320 -011 93 87101 -11-12-13 000 15 14 15 -12.7 -15.4 28.87 19 34 124 320 -010 88 88105 -12-12-13 000 16 14 16 -12.3 -15.3 28.89 21 34 125 322 -011 85 87101 -12-12-13 000 17 14 17 -11.5 -14.7 28.90 21 34 122 318 -009 83 85107 -12-12-14 000 18 14 18 -11.4 -14.6 28.91 23 33 124 321 -012 83 86111 -12-13-14 000 19 14 19 -11.2 -13.9 28.92 22 32 124 320 -009 87 93106 -12-13-14 008 20 14 20 -11.0 -13.3 28.94 21 30 123 320 -004 91 99107 -12-13-14 028 21 14 21 -10.9 -13.0 28.96 21 30 126 323 -004 92100108 -12-13-13 028 22 14 22 -10.6 -12.9 28.97 22 31 126 323 -004 90 96108 -11-12-13 019 23 14 23 -10.5 -12.6 28.99 22 31 127 323 000 91 96107 -11-12-12 017 24 15 00 -10.8 -14.0 29.01 22 33 126 322 000 82 85 88 -11-11-12 014 25 15 01 -11.6 -14.9 29.02 21 33 127 323 000 81 77 56 -12-11-12 000 26 15 02 -12.4 -15.7 29.04 20 33 129 325 003 83 78 47 -12-11-12 000 27 15 03 -13.0 -16.3 29.05 19 33 132 328 -004 84 78 47 -13-12-13 000 28 15 04 -13.5 -16.8 29.04 19 33 134 330 000 83 73 45 -13-12-13 000 29 15 05 -13.6 -17.1 29.05 20 34 133 329 -005 82 69 45 -13-12-12 000 30 15 06 -13.7 -17.2 29.08 19 35 130 327 -002 82 64 48 -13-12-12 000 31 15 07 -13.7 -17.5 29.10 21 36 130 326 001 79 62 59 -12-12-12 000 32 15 08 -13.6 -17.6 29.09 21 37 129 326 000 78 61 56 -12-12-12 000 33 15 09 -13.6 -17.7 29.09 20 36 132 328 002 77 59 56 -12-12-13 000 34 15 10 -13.9 -18.0 29.11 20 36 134 330 000 77 59 60 -13-13-13 000 35 15 11 -14.4 -18.4 29.12 19 36 135 331 000 78 58 62 -13-13-13 000 36 15 12 -14.7 -18.8 29.12 21 35 137 333 000 78 56 61 -13-13-13 000 37 15 13 -15.3 -19.2 29.14 18 33 139 335 -004 79 54 62 -14-13-14 000 38 15 14 -15.4 -19.4 29.14 17 33 139 336 -004 78 53 54 -13-14-14 000 39 15 15 -15.1 -19.2 29.15 17 34 138 334 000 77 57 51 -13-14-15 000 40 15 16 -14.6 -19.0 29.15 19 35 136 332 001 75 56 53 -13-14-15 000 41 15 17 -14.5 -18.8 29.15 20 35 135 331 001 76 56 56 -13-14-15 000 42 15 18 -14.6 -18.7 29.15 20 35 134 330 001 77 56 56 -14-14-15 000 43 15 19 -14.5 -18.6 29.15 19 34 135 331 000 78 59 57 -14-14-16 000 44 15 20 -14.4 -18.3 29.15 17 34 135 331 000 79 63 58 -13-14-16 000 45 15 21 -14.3 -18.2 29.14 18 33 133 330 001 78 65 61 -14-15-16 000 46 15 22 -14.2 -18.3 29.14 19 34 131 327 -001 77 65 62 -14-15-16 000 47 15 23 -14.3 -18.5 29.15 19 34 130 326 -002 77 66 62 -14-15-16 000 48 16 00 -14.4 -18.6 29.15 20 34 129 325 000 77 66 60 -14-15-16 000 49 16 01 -14.6 -18.7 29.15 21 35 129 325 -002 77 66 59 -14-15-17 000 50 16 02 -14.8 -18.9 29.14 20 35 128 324 000 77 65 58 -14-15-17 000 51 16 03 -15.1 -19.2 29.14 20 35 128 325 000 78 64 57 -15-15-17 000 52 16 04 -15.5 -19.2 29.14 19 33 134 330 000 81 63 43 -15-15-16 000 53 16 05 -15.5 -20.0 29.13 20 34 124 320 -002 75 57 48 -14-15-15 000 54 16 06 -16.2 -20.4 29.12 17 32 120 317 -001 77 53 28 -14-15-14 000 55 16 07 -17.6 -21.4 29.11 13 27 146 342 004 82 54 30 -15-15-16 000 56 16 08 -18.4 -21.9 29.09 14 30 133 330 002 84 52 33 -15-15-15 000 57 16 09 -18.7 -22.6 29.07 14 31 126 323 003 81 50 38 -15-15-14 000 58 16 10 -18.7 -22.9 29.06 15 31 128 324 003 79 51 41 -16-16-15 000 59 16 11 -18.7 -22.9 29.06 16 33 129 325 001 79 54 42 -16-16-16 000 60 16 12 -18.8 -23.2 29.05 17 32 122 319 005 77 54 43 -16-16-16 000 61 16 13 -19.0 -23.3 29.04 16 33 130 327 003 78 56 47 -17-17-17 000 62 16 14 -19.1 -23.4 29.01 17 34 130 326 004 78 57 50 -17-17-17 000 63 16 15 -18.9 -23.4 29.00 17 34 126 322 004 77 57 53 -17-17-17 000 64 16 16 -18.7 -23.1 28.99 18 35 127 323 002 78 59 55 -17-17-17 000 65 16 17 -18.3 -22.6 28.97 18 35 126 322 012 77 60 56 -16-17-17 000 66 16 18 -17.8 -22.0 28.95 18 34 130 326 006 79 60 54 -17-17-17 000 67 16 19 -17.2 -21.3 28.94 18 35 131 328 007 78 61 49 -16-16-17 000 68 16 20 -16.3 -20.6 28.93 20 37 131 328 006 78 63 46 -16-16-17 000 69 16 21 -15.8 -19.9 28.91 21 38 133 329 004 78 66 49 -15-16-17 000 70 16 22 -15.2 -19.3 28.89 21 38 132 329 001 78 68 48 -15-15-16 000 71 16 23 -14.9 -18.8 28.88 22 39 129 326 -001 79 70 51 -15-15-16 000 72 17 00 -14.4 -18.4 28.87 23 39 130 326 -003 79 70 44 -14-15-16 000 73 17 01 -14.1 -18.0 28.86 24 40 130 326 000 79 72 42 -14-14-15 000 74 17 02 -13.9 -17.8 28.85 25 41 128 325 -003 78 72 54 -14-14-15 000 75 17 03 -13.8 -17.6 28.85 23 39 131 327 -001 80 71 58 -13-13-14 000 76 17 04 -13.8 -17.2 28.84 22 37 135 331 001 82 71 58 -13-13-14 000 77 17 05 -12.2 -15.5 28.83 23 40 132 329 003 82 77 74 -12-12-14 000 78 17 06 -11.0 -14.4 28.82 27 41 130 327 002 81 78 63 -11-12-13 001 79 17 07 -11.2 -14.9 28.81 27 42 132 328 006 78 67 52 -11-12-13 000 80 17 08 -12.0 -16.0 28.81 26 41 132 329 003 77 59 52 -12-12-12 000 81 17 09 -13.0 -17.1 28.79 26 42 133 329 002 76 58 54 -12-12-12 000 82 17 10 -13.5 -17.6 28.78 27 44 133 329 002 76 59 55 -13-12-12 000 83 17 11 -13.4 -17.6 28.77 27 45 131 327 000 76 60 56 -13-12-12 000 84 17 12 -13.3 -17.5 28.77 28 45 131 328 -001 76 61 56 -12-12-12 000 85 17 13 -13.3 -17.4 28.78 27 45 131 328 -001 76 59 58 -12-12-12 000 86 17 14 -12.9 -17.3 28.77 28 45 132 328 -003 74 56 53 -12-12-11 000 87 17 15 -12.5 -17.0 28.76 28 45 131 328 002 73 59 52 -12-12-11 000 88 17 16 -12.3 -16.9 28.75 28 44 132 329 000 72 59 51 -12-12-11 000 89 17 17 -12.2 -16.7 28.74 29 45 134 330 -001 73 60 55 -12-12-12 000 90 17 18 -11.8 -16.3 28.73 29 45 134 330 000 73 65 55 -12-13-13 000 91 17 19 -12.0 -16.4 28.72 30 46 132 328 001 74 66 53 -12-13-13 000 92 17 20 -12.0 -16.2 28.72 30 46 132 328 -002 74 62 53 -12-12-12 000 93 17 21 -11.9 -16.1 28.73 29 45 135 331 000 75 60 54 -12-12-12 000 94 17 22 -11.6 -15.8 28.73 30 46 135 331 004 75 59 53 -11-11-12 000 95 17 23 -11.3 -15.6 28.75 30 46 134 331 -001 74 57 54 -11-11-11 000 96 18 00 -11.1 -15.5 28.76 29 46 133 329 000 73 56 53 -11-10-11 000 97 18 01 -11.3 -15.8 28.76 30 47 132 329 003 73 53 51 -11-10-10 000 98 18 02 -11.6 -16.2 28.76 31 48 131 327 006 71 53 50 -11-11 -9 000 99 18 03 -11.7 -16.6 28.76 32 50 132 329 005 70 57 46 -12-12-10 000 100 18 04 -11.6 -16.6 28.76 30 50 130 326 000 68 60 44 -11-12-13 000 101 18 05 -11.5 -16.7 28.75 31 52 129 325 000 67 59 45 -11-12-13 000 102 18 06 -11.3 -16.7 28.74 32 54 128 324 -003 66 58 49 -11-12-13 000 103 18 07 -11.5 -16.8 28.73 33 55 128 325 -015 67 61 57 -11-12-13 000 104 18 08 -11.5 -16.7 28.72 36 58 127 323 -020 68 65 60 -11-12-13 000 105 18 09 -11.5 -16.2 28.73 39 59 131 327 -008 71 71 64 -11-12-13 000 106 18 10 -11.2 -15.4 28.73 39 58 133 330 -001 74 74 55 -11-12-12 000 107 18 11 -11.2 -15.3 28.75 38 56 133 329 003 75 74 53 -11-12-11 000 108 18 12 -11.8 -16.1 28.78 37 54 133 329 000 74 71 55 -12-12-11 000 109 18 13 -11.7 -16.1 28.80 36 53 133 330 -014 73 69 53 -12-12-13 000 110 18 14 -11.9 -16.6 28.81 34 52 130 327 000 71 63 59 -12-13-12 000 111 18 15 -11.9 -16.8 28.81 33 53 130 326 001 69 61 51 -12-12-12 000 112 18 16 -11.1 -16.4 28.80 33 54 128 325 002 67 58 51 -11-12-12 000 113 18 17 -10.3 -15.7 28.78 32 54 129 325 001 65 54 49 -10-11-12 000 114 18 18 -10.3 -15.6 28.77 32 52 129 326 003 65 58 51 -10-11-12 000 115 18 19 -9.8 -15.2 28.74 32 53 130 326 001 65 56 49 -9-10-12 000 116 18 20 -9.2 -14.6 28.72 31 53 131 328 006 64 55 50 -9-10-11 000 117 18 21 -8.6 -13.9 28.70 32 53 132 328 004 65 57 51 -8 -9-11 000 118 18 22 -8.4 -13.4 28.69 32 52 131 328 006 66 61 52 -8 -9-11 000 119 18 23 -8.3 -13.2 28.67 34 54 130 327 000 68 63 52 -8 -9-11 000 120 19 00 -8.1 -13.1 28.65 35 54 130 326 010 67 62 53 -8 -9-11 000 * 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.