Halley site lat/lon = (-75.5560,-25.6200) cell lat/lon = (-75.5669,-25.5697) Forecast initialized at 2025-11-12/12 UTC MPAS cell scale: 5.5 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 -13.6 -17.0 29.05 5 6 245 219 000 80 68 45 -14-14-14 000 1 12 13 -12.7 -16.0 29.05 6 9 249 223 001 83 71 44 -14-14-14 000 2 12 14 -11.8 -15.3 29.05 8 11 247 221 000 81 78 42 -13-14-14 000 3 12 15 -11.6 -14.9 29.03 9 11 247 222 000 82 77 39 -13-14-14 000 4 12 16 -11.3 -14.6 29.05 8 10 249 223 000 82 70 36 -12-13-13 000 5 12 17 -11.1 -14.2 29.05 7 10 253 228 000 83 78 34 -12-13-13 000 6 12 18 -11.3 -13.9 29.05 6 10 264 238 000 87 85 33 -12-13-13 000 7 12 19 -12.2 -14.4 29.05 6 11 277 252 000 92 84 31 -11-12-13 000 8 12 20 -13.5 -15.1 29.06 7 11 282 256 000 100 85 30 -11-12-13 000 9 12 21 -15.1 -16.2 29.06 7 11 276 251 000 107 86 29 -11-12-13 000 10 12 22 -16.9 -17.5 29.09 7 11 274 249 000 116 89 29 -11-12-13 000 11 12 23 -18.5 -19.1 29.10 6 11 271 246 000 118 94 31 -11-12-13 000 12 13 00 -20.6 -21.4 29.13 5 9 261 235 000 121 98 31 -11-12-13 000 13 13 01 -22.4 -23.0 29.13 2 7 221 195 000 124 99 32 -12-12-13 000 14 13 02 -23.1 -23.4 29.15 2 4 132 106 000 125 98 32 -12-13-14 000 15 13 03 -22.3 -22.5 29.17 2 4 117 92 000 124103 32 -12-12-14 000 16 13 04 -23.4 -24.0 29.19 3 7 99 73 000 125105 33 -11-13-14 000 17 13 05 -23.0 -23.3 29.20 5 6 85 59 000 125105 33 -12-13-14 000 18 13 06 -22.8 -23.1 29.22 6 7 86 61 000 125106 32 -12-13-14 000 19 13 07 -22.2 -22.5 29.23 6 7 84 59 000 124107 31 -12-13-14 000 20 13 08 -20.6 -20.8 29.24 6 7 83 58 000 122107 29 -12-13-13 000 21 13 09 -19.5 -19.7 29.26 6 6 83 57 000 121101 29 -12-13-13 000 22 13 10 -18.3 -18.5 29.26 5 8 80 54 000 119 88 28 -12-13-13 000 23 13 11 -16.8 -17.9 29.27 5 9 79 53 000 108 73 27 -13-12-13 000 24 13 12 -15.1 -17.1 29.28 5 8 78 52 000 97 62 25 -12-12-12 000 25 13 13 -13.6 -16.1 29.29 4 6 81 55 000 91 62 24 -12-12-12 000 26 13 14 -12.4 -15.2 29.29 4 6 87 62 000 88 59 23 -12-12-12 000 27 13 15 -11.5 -14.8 29.30 4 7 80 54 000 83 58 22 -12-11-11 000 28 13 16 -11.0 -14.5 29.31 5 7 80 54 000 81 55 20 -12-10-10 000 29 13 17 -10.7 -14.2 29.31 5 6 79 53 000 81 52 19 -12-10-10 000 30 13 18 -10.5 -13.8 29.32 6 7 77 52 -001 82 48 20 -12-10-10 000 31 13 19 -10.4 -13.4 29.33 6 8 77 51 000 85 43 22 -11-10-10 000 32 13 20 -10.6 -13.1 29.34 6 9 76 51 000 88 37 28 -10-10-10 000 33 13 21 -10.8 -12.9 29.35 6 9 74 49 000 92 35 38 -10-10-10 000 34 13 22 -11.1 -13.1 29.35 6 9 76 50 -001 93 36 57 -10-10-10 000 35 13 23 -11.6 -13.4 29.37 6 10 82 57 -001 95 38 79 -9 -9-10 000 36 14 00 -11.9 -13.8 29.38 6 11 87 61 -001 94 43 95 -9 -9-10 000 37 14 01 -12.0 -14.2 29.38 6 12 89 64 -001 91 69 99 -9 -9-10 000 38 14 02 -12.2 -14.5 29.38 6 13 95 70 000 91 68 99 -9 -9 -9 000 39 14 03 -12.7 -15.0 29.38 6 12 98 73 000 90 53 90 -8 -9 -9 000 40 14 04 -13.4 -15.2 29.38 7 16 92 67 000 96 34 78 -9 -8 -8 000 41 14 05 -13.4 -14.8 29.39 8 18 76 50 000 102 57 60 -9 -8 -8 000 42 14 06 -13.5 -14.6 29.39 8 17 72 47 000 105 71 50 -8 -8 -9 000 43 14 07 -13.4 -14.1 29.39 8 17 85 59 000 110 61 50 -8 -8 -8 000 44 14 08 -12.2 -12.7 29.40 12 20 75 50 000 110 35 50 -9 -8 -8 000 45 14 09 -11.3 -12.4 29.41 13 21 77 52 000 102 39 51 -9 -8 -8 000 46 14 10 -9.8 -11.7 29.42 14 24 79 54 000 93 80 47 -8 -8 -9 000 47 14 11 -8.2 -10.3 29.42 16 26 77 51 000 89 99 41 -8 -8 -8 000 48 14 12 -6.5 -8.2 29.42 17 26 75 49 000 91104 42 -7 -8 -9 000 49 14 13 -5.2 -7.2 29.42 17 25 76 50 000 88 97 44 -6 -7 -8 000 50 14 14 -4.2 -6.5 29.41 17 24 74 48 000 84 96 61 -5 -7 -8 000 51 14 15 -3.5 -5.8 29.41 17 23 71 46 000 84 95 72 -5 -6 -7 000 52 14 16 -3.5 -5.5 29.41 16 21 67 41 000 86 93100 -5 -6 -7 000 53 14 17 -3.3 -5.2 29.41 15 21 73 47 -001 87 99110 -4 -6 -7 002 54 14 18 -3.6 -5.4 29.41 15 21 73 48 000 88 98110 -4 -6 -7 003 55 14 19 -3.4 -5.4 29.41 15 22 80 54 000 86 94109 -4 -6 -7 002 56 14 20 -3.5 -5.4 29.40 15 24 79 54 000 86 87109 -4 -5 -6 001 57 14 21 -3.6 -5.6 29.40 14 25 78 53 -001 86 82107 -4 -5 -6 003 58 14 22 -4.0 -6.1 29.39 13 23 75 49 -001 85 87 99 -4 -5 -6 002 59 14 23 -5.2 -7.2 29.39 10 22 79 53 001 87 85 99 -3 -5 -6 000 60 15 00 -6.3 -7.8 29.38 9 18 85 59 001 93 81 82 -3 -4 -6 001 61 15 01 -8.6 -9.1 29.38 8 16 89 63 000 105 78 77 -4 -4 -6 000 62 15 02 -9.5 -10.2 29.37 8 18 92 66 001 104 79 91 -4 -4 -6 000 63 15 03 -10.3 -11.2 29.36 9 20 88 63 000 104 75 88 -4 -5 -6 000 64 15 04 -10.6 -12.5 29.35 9 20 91 66 -002 93 65 83 -6 -5 -6 000 65 15 05 -10.8 -13.0 29.35 10 25 89 63 -001 90 66 74 -6 -6 -6 000 66 15 06 -10.8 -13.1 29.33 9 24 88 62 -002 90 68 70 -6 -6 -6 000 67 15 07 -10.3 -12.9 29.32 8 24 85 59 000 86 62 71 -6 -6 -6 000 68 15 08 -8.8 -12.2 29.31 10 24 79 53 000 78 53 73 -6 -6 -6 000 69 15 09 -7.8 -11.4 29.29 9 22 76 51 000 77 48 69 -6 -5 -6 000 70 15 10 -6.7 -10.8 29.28 10 20 76 50 -002 72 41 63 -6 -6 -5 000 71 15 11 -5.8 -10.0 29.26 10 18 81 56 000 71 39 58 -6 -5 -5 000 72 15 12 -5.1 -9.3 29.25 8 16 74 48 001 71 39 55 -6 -5 -5 000 73 15 13 -4.8 -8.7 29.24 7 11 79 53 -002 73 41 51 -6 -4 -4 000 74 15 14 -4.4 -7.8 29.22 7 10 94 69 000 77 46 42 -5 -4 -4 000 75 15 15 -3.8 -6.9 29.21 6 9 93 68 -001 78 39 44 -4 -4 -4 000 76 15 16 -3.2 -6.4 29.19 6 8 89 64 -001 78 41 45 -4 -4 -4 000 77 15 17 -3.0 -6.3 29.19 4 8 80 55 000 77 45 50 -4 -4 -4 000 78 15 18 -2.9 -6.4 29.18 3 6 87 61 000 75 32 42 -3 -2 -3 000 79 15 19 -3.1 -5.6 29.17 3 4 109 83 -002 77 29 31 -2 -2 -3 000 80 15 20 -3.6 -5.7 29.15 4 5 118 92 000 81 29 27 -2 -2 -3 000 81 15 21 -4.3 -6.1 29.14 5 6 109 83 000 85 27 26 -2 -2 -2 000 82 15 22 -5.2 -6.4 29.14 3 6 88 62 -002 93 28 22 -2 -2 -2 000 83 15 23 -5.9 -6.4 29.14 1 4 10 345 -002 101 29 22 -2 -3 -3 000 84 16 00 -6.6 -6.7 29.14 1 3 289 263 001 106 42 23 -3 -3 -4 000 85 16 01 -7.9 -8.0 29.14 0 4 110 84 -002 107 43 25 -3 -4 -4 000 86 16 02 -9.5 -9.9 29.14 3 6 82 56 000 109 47 28 -3 -4 -4 000 87 16 03 -10.4 -10.9 29.14 4 4 79 53 -001 110 40 29 -3 -4 -4 000 88 16 04 -11.0 -11.2 29.15 3 5 84 58 001 111 34 26 -4 -4 -5 000 89 16 05 -11.0 -11.3 29.15 2 6 102 76 001 109 33 31 -3 -4 -5 000 90 16 06 -10.7 -11.7 29.16 4 8 115 89 002 102 34 30 -3 -4 -4 000 91 16 07 -10.6 -11.3 29.16 7 8 92 66 -001 105 39 26 -3 -3 -4 000 92 16 08 -9.7 -10.1 29.16 9 13 87 62 -002 107 32 28 -4 -3 -4 000 93 16 09 -8.0 -9.4 29.17 10 16 84 59 -002 96 52 29 -3 -4 -4 000 94 16 10 -7.0 -8.6 29.18 11 18 81 55 -002 93 56 29 -3 -3 -4 000 95 16 11 -6.7 -8.1 29.19 13 18 77 52 -002 94 43 30 -4 -3 -4 000 96 16 12 -6.7 -8.8 29.20 14 21 77 51 -001 88 47 27 -6 -3 -4 000 97 16 13 -6.3 -8.3 29.20 14 18 77 51 -001 89 53 27 -6 -3 -3 000 98 16 14 -5.5 -7.7 29.21 14 20 72 46 000 87 56 35 -6 -4 -4 000 99 16 15 -5.0 -7.5 29.21 14 20 73 47 000 84 48 36 -6 -4 -4 000 100 16 16 -4.6 -7.4 29.22 14 21 72 47 -001 81 43 39 -5 -5 -4 000 101 16 17 -4.3 -7.2 29.23 14 23 75 49 000 80 39 31 -4 -4 -4 000 102 16 18 -4.2 -7.0 29.23 13 25 76 50 -002 79 37 37 -4 -4 -4 000 103 16 19 -4.3 -6.8 29.23 13 26 75 50 -001 82 39 39 -3 -4 -4 000 104 16 20 -4.9 -7.4 29.24 13 26 70 44 -002 83 55 40 -3 -4 -5 000 105 16 21 -5.9 -8.7 29.25 12 26 71 45 -002 81 77 59 -3 -5 -6 000 106 16 22 -7.2 -10.0 29.26 11 24 76 51 000 81 70 85 -3 -5 -6 000 107 16 23 -9.2 -11.5 29.26 9 21 82 57 000 87 50 81 -2 -4 -5 000 108 17 00 -10.2 -10.5 29.27 10 25 82 56 000 109 59 68 -2 -4 -5 000 109 17 01 -12.1 -12.5 29.27 9 23 92 66 001 112 51 60 -3 -4 -5 000 110 17 02 -11.7 -11.9 29.27 14 24 87 61 -001 111 53 62 -3 -4 -5 000 111 17 03 -10.3 -11.6 29.27 16 32 84 59 -001 99 56 99 -5 -4 -5 000 112 17 04 -8.7 -12.0 29.26 21 34 84 58 000 79 58 94 -5 -4 -5 000 113 17 05 -8.7 -11.8 29.28 19 31 77 52 -001 81 58 98 -7 -6 -6 000 114 17 06 -8.1 -11.5 29.28 19 32 81 55 -002 79 57 96 -7 -6 -6 000 115 17 07 -7.6 -10.9 29.28 20 32 82 57 -004 79 52 99 -7 -6 -5 000 116 17 08 -7.2 -10.6 29.29 20 31 81 55 000 77 74 95 -7 -6 -5 000 117 17 09 -6.7 -10.1 29.29 19 29 78 52 -002 77 64101 -7 -7 -6 000 118 17 10 -6.3 -9.8 29.29 19 29 75 49 000 76 70100 -7 -7 -6 000 119 17 11 -5.5 -9.0 29.29 18 27 78 52 000 76 60100 -6 -6 -5 000 120 17 12 -4.9 -8.5 29.29 16 25 75 50 000 74 57 90 -6 -6 -5 000 * 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.