USAP Grounding Zone (ACT) site lat/lon = (-84.3380,-163.5425) cell lat/lon = (-84.3284,-163.5930) Forecast initialized at 2025-11-12/12 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 12 12 -11.9 -18.9 29.01 16 20 141 338 000 51 24 29 -11-10-11 000 1 12 13 -13.6 -18.9 29.01 14 32 150 346 000 66 19 34 -11-10-11 000 2 12 14 -14.3 -19.2 29.02 18 39 153 349 009 71 40 25 -13-13-13 000 3 12 15 -14.1 -19.8 29.00 20 40 138 334 -002 64 34 26 -13-13-11 000 4 12 16 -14.1 -19.4 28.99 19 37 132 329 000 67 29 29 -13-11-11 000 5 12 17 -13.7 -18.4 28.96 17 35 133 330 003 71 23 31 -13-10-10 000 6 12 18 -12.8 -17.3 28.96 15 35 134 330 003 72 20 29 -12 -9-10 000 7 12 19 -11.8 -16.9 28.93 16 34 140 336 001 67 20 32 -11 -9-11 000 8 12 20 -11.1 -16.6 28.91 19 39 141 337 003 65 17 31 -10 -9-10 000 9 12 21 -10.8 -16.4 28.88 20 39 140 336 003 64 17 29 -10 -8-10 000 10 12 22 -10.2 -16.3 28.89 22 38 126 322 006 60 22 34 -9 -9-11 000 11 12 23 -10.6 -16.0 28.87 19 39 136 333 005 65 19 34 -10 -9-10 000 12 13 00 -10.2 -16.2 28.84 20 39 138 334 -010 61 18 36 -9 -9-10 000 13 13 01 -10.5 -16.1 28.82 20 40 140 336 006 63 20 34 -9 -9-10 000 14 13 02 -10.3 -16.3 28.81 19 39 137 333 002 61 21 37 -9 -9-11 000 15 13 03 -10.7 -16.2 28.81 19 40 136 333 005 64 23 38 -10 -9-11 000 16 13 04 -11.3 -16.2 28.81 15 37 133 329 008 68 28 41 -10-10-11 000 17 13 05 -11.9 -16.7 28.80 14 38 138 334 010 70 24 40 -10 -9-11 000 18 13 06 -12.1 -17.1 28.77 15 38 138 335 006 68 22 38 -10 -9-11 000 19 13 07 -12.1 -17.5 28.76 17 39 130 327 002 66 22 37 -9 -9-11 000 20 13 08 -11.7 -17.9 28.75 20 43 137 333 001 60 21 37 -9 -9-11 000 21 13 09 -12.2 -17.9 28.74 20 42 140 337 000 64 24 41 -10-10-12 000 22 13 10 -12.3 -18.2 28.74 19 45 147 344 004 62 28 49 -10-10-12 000 23 13 11 -11.9 -18.2 28.73 25 50 143 340 -022 59 31 61 -10-11-12 000 24 13 12 -11.6 -18.1 28.73 26 49 142 338 -015 58 41 79 -11-11-13 000 25 13 13 -11.5 -17.9 28.74 27 50 139 335 -004 58 43 87 -11-11-13 000 26 13 14 -11.2 -17.5 28.74 29 50 140 337 000 60 48 86 -11-12-13 000 27 13 15 -10.7 -16.9 28.75 31 52 138 334 -001 60 52 85 -11-12-13 000 28 13 16 -10.5 -16.5 28.74 32 51 136 333 -005 61 56 89 -11-12-13 000 29 13 17 -10.6 -15.8 28.75 33 51 135 331 -004 66 68 93 -11-12-13 000 30 13 18 -10.2 -14.5 28.77 32 49 133 330 -001 74 79 96 -11-12-13 000 31 13 19 -10.0 -14.1 28.79 30 46 135 331 -003 74 79 95 -10-12-13 000 32 13 20 -9.7 -13.9 28.80 29 45 133 330 -005 73 76 89 -10-12-13 000 33 13 21 -9.6 -13.9 28.81 28 44 133 330 -003 72 73 87 -10-11-13 000 34 13 22 -9.3 -13.6 28.83 28 42 135 331 -003 73 74 84 -10-11-12 000 35 13 23 -9.1 -13.4 28.84 28 42 134 330 -003 72 73 82 -10-11-12 000 36 14 00 -8.8 -13.0 28.85 27 41 135 331 000 73 72 80 -9-11-12 000 37 14 01 -8.7 -13.0 28.86 27 41 135 331 -002 72 70 78 -9-10-11 000 38 14 02 -8.5 -12.5 28.87 27 41 136 333 -001 74 73 76 -9-10-11 000 39 14 03 -8.5 -12.5 28.87 26 41 137 333 000 74 73 73 -9-10-11 000 40 14 04 -8.7 -12.6 28.89 27 42 138 334 002 75 72 71 -9-10-11 000 41 14 05 -8.9 -13.0 28.90 27 42 138 335 003 74 72 68 -9-10-11 000 42 14 06 -9.3 -13.4 28.92 27 43 138 334 001 74 71 69 -9-11-11 000 43 14 07 -9.6 -13.9 28.93 29 45 135 332 000 73 69 67 -10-11-11 000 44 14 08 -10.0 -14.5 28.95 30 47 133 330 -004 72 67 61 -10-11-11 000 45 14 09 -10.2 -15.0 28.96 31 48 132 328 005 70 66 58 -10-11-12 000 46 14 10 -10.6 -15.4 28.98 32 48 132 328 008 69 66 56 -11-12-12 000 47 14 11 -11.1 -15.8 29.00 31 47 132 328 003 70 67 57 -11-12-13 000 48 14 12 -11.5 -16.3 29.02 31 47 133 330 -001 71 67 55 -11-13-13 000 49 14 13 -11.8 -16.5 29.04 31 47 133 329 -004 71 66 54 -12-13-13 000 50 14 14 -12.1 -16.6 29.06 30 46 133 329 -001 72 67 53 -12-13-13 000 51 14 15 -12.2 -16.8 29.09 29 45 134 330 000 72 69 55 -12-13-13 000 52 14 16 -12.3 -16.9 29.11 28 45 134 330 -008 72 68 55 -12-13-13 000 53 14 17 -12.2 -16.9 29.12 30 46 133 329 -008 72 67 56 -12-13-13 000 54 14 18 -12.2 -16.7 29.14 29 45 134 330 -001 73 69 58 -12-13-13 000 55 14 19 -11.9 -16.3 29.15 29 44 134 330 002 74 69 57 -12-13-13 000 56 14 20 -11.7 -15.9 29.18 28 42 132 329 004 75 70 59 -12-13-13 000 57 14 21 -11.5 -15.6 29.19 26 40 132 328 004 75 67 59 -12-13-13 000 58 14 22 -11.2 -15.3 29.21 26 39 132 329 004 75 70 60 -12-12-13 000 59 14 23 -10.9 -15.0 29.22 25 39 132 328 003 75 69 59 -11-12-12 000 60 15 00 -10.6 -14.6 29.23 24 37 133 329 -002 76 71 60 -11-12-12 000 61 15 01 -10.4 -14.3 29.25 23 36 134 330 -001 76 72 58 -11-12-12 000 62 15 02 -10.4 -14.1 29.26 22 34 137 333 002 78 75 55 -11-12-12 000 63 15 03 -10.3 -14.0 29.27 22 34 136 333 005 78 70 53 -10-11-12 000 64 15 04 -10.3 -14.1 29.27 22 35 134 331 002 77 62 54 -10-10-12 000 65 15 05 -10.5 -14.3 29.28 22 36 135 331 000 77 60 52 -10-10-11 000 66 15 06 -10.7 -14.5 29.29 22 36 136 332 000 77 58 52 -10-10-11 000 67 15 07 -11.0 -14.8 29.29 24 37 135 332 004 77 57 53 -11-10-11 000 68 15 08 -11.2 -15.2 29.30 24 38 133 329 007 76 56 54 -11-10-10 000 69 15 09 -11.6 -15.6 29.30 24 39 131 328 004 76 56 55 -11-10-10 000 70 15 10 -11.9 -16.1 29.30 25 40 131 327 003 75 57 53 -11-11-10 000 71 15 11 -12.2 -16.5 29.31 26 41 128 324 004 74 56 52 -12-11-10 000 72 15 12 -12.4 -16.8 29.31 26 41 126 323 000 74 56 54 -12-12-11 000 73 15 13 -12.6 -17.0 29.32 27 42 125 321 001 73 55 51 -12-12-11 000 74 15 14 -12.6 -17.1 29.32 26 41 122 318 002 73 54 47 -12-12-11 000 75 15 15 -12.8 -17.2 29.32 26 40 122 318 -001 74 54 47 -12-12-11 000 76 15 16 -12.9 -17.2 29.32 24 39 123 319 -004 74 54 46 -13-12-12 000 77 15 17 -13.0 -17.2 29.33 22 37 122 318 -005 76 54 45 -13-12-12 000 78 15 18 -12.9 -17.0 29.33 22 37 124 321 -001 76 56 44 -13-13-12 000 79 15 19 -12.6 -16.8 29.34 21 35 124 320 000 76 57 44 -13-13-12 000 80 15 20 -12.4 -16.6 29.33 21 35 122 319 -001 76 54 43 -13-13-12 000 81 15 21 -12.2 -16.2 29.33 20 33 122 319 -002 76 54 41 -12-13-12 000 82 15 22 -11.9 -15.9 29.33 19 31 124 320 -006 76 56 39 -12-13-12 000 83 15 23 -11.6 -15.5 29.32 18 30 125 322 -001 76 56 40 -12-13-12 000 84 16 00 -11.4 -15.3 29.32 18 30 128 324 -003 77 56 40 -12-12-12 000 85 16 01 -11.2 -15.0 29.31 17 29 128 325 -001 77 56 40 -11-12-12 000 86 16 02 -11.2 -15.0 29.30 17 28 124 321 000 78 52 40 -11-12-12 000 87 16 03 -11.3 -14.9 29.30 16 29 126 323 000 79 52 38 -11-12-12 000 88 16 04 -11.4 -15.0 29.29 17 29 128 324 -001 79 50 40 -11-11-11 000 89 16 05 -11.4 -15.2 29.29 18 30 126 323 -002 78 48 37 -11-11-11 000 90 16 06 -11.8 -15.5 29.28 16 29 127 323 -003 78 48 34 -11-11-11 000 91 16 07 -12.2 -15.9 29.27 15 29 131 327 -001 79 53 33 -11-11-12 000 92 16 08 -12.3 -16.2 29.27 16 31 128 324 000 78 53 31 -11-11-12 000 93 16 09 -12.4 -16.4 29.26 16 31 126 322 000 76 51 31 -11-11-12 000 94 16 10 -12.7 -16.8 29.26 17 32 125 322 -003 76 48 32 -11-11-11 000 95 16 11 -12.9 -17.1 29.25 18 32 124 320 -002 75 43 32 -11-11-11 000 96 16 12 -13.5 -17.6 29.25 18 32 124 321 000 76 46 31 -12-11-11 000 97 16 13 -14.0 -18.0 29.25 16 31 121 318 -001 77 50 29 -13-12-11 000 98 16 14 -14.3 -18.3 29.25 17 31 122 319 001 78 51 30 -13-12-11 000 99 16 15 -14.4 -18.5 29.25 17 30 127 324 -001 78 52 33 -14-13-12 000 100 16 16 -14.5 -18.5 29.25 17 30 126 323 000 78 50 36 -14-13-12 000 101 16 17 -14.4 -18.4 29.24 16 28 123 319 001 77 43 34 -14-12-11 000 102 16 18 -14.3 -18.2 29.24 15 26 125 321 -003 78 42 25 -14-12-11 000 103 16 19 -14.1 -18.0 29.24 14 25 123 319 -005 78 45 23 -14-13-11 000 104 16 20 -13.7 -17.6 29.24 14 26 121 317 -001 78 47 26 -14-13-11 000 105 16 21 -13.3 -17.3 29.24 15 27 116 312 -004 77 44 24 -13-13-10 000 106 16 22 -13.0 -17.0 29.23 15 26 115 311 -004 77 40 26 -13-12-10 000 107 16 23 -12.6 -16.5 29.23 14 26 121 317 -004 77 38 25 -13-11-10 000 108 17 00 -12.2 -16.0 29.23 14 26 120 317 -006 78 39 33 -12-11-10 000 109 17 01 -12.1 -15.8 29.23 14 26 123 320 -001 78 40 34 -12-11-10 000 110 17 02 -12.0 -15.7 29.23 14 26 126 322 -001 79 40 33 -12-11-10 000 111 17 03 -12.1 -15.7 29.23 13 26 127 324 000 80 40 31 -12-11-10 000 112 17 04 -12.3 -15.8 29.22 13 26 126 322 000 80 41 26 -11-11-10 000 113 17 05 -12.6 -16.1 29.22 13 26 126 323 000 81 44 29 -11-11-10 000 114 17 06 -12.7 -16.3 29.23 13 28 128 324 000 80 48 34 -11-11-10 000 115 17 07 -12.7 -16.5 29.24 14 29 130 326 000 79 49 34 -11-11-11 000 116 17 08 -12.7 -16.6 29.25 15 31 129 325 000 77 49 34 -11-11-11 000 117 17 09 -12.6 -16.8 29.25 16 33 129 326 000 74 50 34 -11-11-11 000 118 17 10 -12.4 -17.1 29.25 19 35 130 327 -001 71 48 32 -11-11-11 000 119 17 11 -12.5 -17.4 29.25 20 36 127 323 -002 69 48 32 -11-11-11 000 120 17 12 -12.7 -17.5 29.26 20 36 127 324 -003 71 51 33 -12-12-11 000 * 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.