Halley site lat/lon = (-75.5560,-25.6200) cell lat/lon = (-75.5669,-25.5697) Forecast initialized at 2025-11-11/00 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 11 00 -26.4 -29.8 29.47 4 5 85 60 000 87 62 58 -17-17-17 000 1 11 01 -29.0 -29.5 29.47 5 6 95 69 000 131 66 58 -18-17-17 000 2 11 02 -31.8 -32.5 29.47 5 8 91 65 -001 135 67 56 -18-17-17 000 3 11 03 -33.3 -34.0 29.47 5 9 82 56 000 137 69 57 -18-17-17 000 4 11 04 -34.5 -35.6 29.49 5 10 98 72 000 135 73 61 -18-18-18 000 5 11 05 -34.0 -35.7 29.49 5 11 104 78 000 124 74 66 -18-18-18 000 6 11 06 -33.1 -34.8 29.48 4 10 104 79 000 124 75 68 -18-18-18 000 7 11 07 -32.2 -34.0 29.45 3 9 113 87 000 123 84 67 -18-17-18 000 8 11 08 -30.7 -32.4 29.46 3 8 115 89 000 117 87 67 -18-17-17 000 9 11 09 -28.9 -31.2 29.44 3 9 120 94 000 107 86 66 -18-18-18 000 10 11 10 -26.4 -28.9 29.45 3 10 121 95 000 103 86 64 -19-17-17 000 11 11 11 -24.0 -25.9 29.42 6 9 89 64 000 108 79 64 -18-16-17 000 12 11 12 -22.8 -24.7 29.41 5 8 78 53 000 105 68 63 -17-17-17 000 13 11 13 -20.7 -23.0 29.41 4 9 92 67 000 99 67 62 -17-17-17 000 14 11 14 -19.4 -22.0 29.40 5 7 98 72 000 96 66 60 -17-16-17 000 15 11 15 -18.5 -21.1 29.39 5 9 104 78 000 94 79 59 -17-15-16 000 16 11 16 -17.4 -20.1 29.39 6 10 96 70 000 93 77 59 -18-15-16 000 17 11 17 -17.0 -19.5 29.38 6 8 86 61 000 94 77 61 -17-15-16 000 18 11 18 -17.1 -19.6 29.36 5 6 88 62 000 94 79 61 -16-15-16 000 19 11 19 -18.0 -20.2 29.33 3 6 112 86 000 98 77 58 -15-15-16 000 20 11 20 -19.1 -20.7 29.31 4 4 145 120 000 106 74 53 -14-15-15 000 21 11 21 -20.6 -21.3 29.29 5 5 155 130 000 118 74 49 -15-15-15 000 22 11 22 -22.0 -22.5 29.27 5 6 167 141 000 122 80 46 -15-15-15 000 23 11 23 -24.2 -25.0 29.26 5 7 175 149 000 125 86 43 -15-15-15 000 24 12 00 -26.5 -27.2 29.25 4 5 173 148 000 128 92 41 -14-15-15 000 25 12 01 -27.3 -27.5 29.23 3 4 161 135 000 130 97 41 -14-15-15 000 26 12 02 -27.7 -27.9 29.22 3 3 149 123 001 130 98 41 -14-15-15 000 27 12 03 -28.7 -29.3 29.19 4 4 144 119 000 131 98 40 -14-15-15 000 28 12 04 -28.3 -28.7 29.18 4 6 136 111 000 131 99 40 -14-15-15 000 29 12 05 -27.7 -27.9 29.16 3 6 135 109 000 130 99 40 -14-15-15 000 30 12 06 -28.1 -28.6 29.15 3 4 159 133 000 131 99 38 -14-14-15 000 31 12 07 -26.5 -27.4 29.14 4 4 166 140 001 129 93 37 -14-14-15 000 32 12 08 -24.3 -25.0 29.12 3 4 169 143 000 126 84 38 -14-14-15 000 33 12 09 -22.7 -23.0 29.11 2 2 182 156 000 124 86 39 -14-14-14 000 34 12 10 -21.0 -21.2 29.09 2 2 209 184 000 122 87 37 -14-14-14 000 35 12 11 -19.0 -20.5 29.09 2 2 239 213 000 107 85 37 -13-14-14 000 36 12 12 -17.0 -19.0 29.08 3 4 249 224 000 100 82 36 -13-13-14 000 37 12 13 -15.1 -17.5 29.08 4 6 237 211 000 94 80 36 -13-13-14 000 38 12 14 -14.0 -16.8 29.07 5 6 235 209 000 89 79 35 -13-13-13 000 39 12 15 -13.3 -16.2 29.06 5 7 238 212 000 88 80 33 -13-13-13 000 40 12 16 -12.9 -15.7 29.06 5 7 240 214 000 88 80 31 -12-13-13 000 41 12 17 -12.7 -15.5 29.07 4 5 247 221 000 87 77 30 -12-12-13 000 42 12 18 -13.3 -15.7 29.07 4 6 265 240 000 89 72 29 -12-12-13 000 43 12 19 -14.3 -16.1 29.07 5 8 273 247 000 98 72 28 -11-12-13 000 44 12 20 -15.6 -16.4 29.07 6 9 277 251 000 112 79 28 -11-12-13 000 45 12 21 -17.2 -17.8 29.07 6 9 276 250 000 117 82 28 -11-12-12 000 46 12 22 -19.6 -20.2 29.08 5 9 275 249 000 120 88 28 -11-12-12 000 47 12 23 -21.9 -22.7 29.09 5 10 271 246 000 123 93 28 -11-12-13 000 48 13 00 -24.4 -25.3 29.09 4 9 258 233 000 126 91 27 -11-12-13 000 49 13 01 -26.7 -27.6 29.11 3 8 235 210 000 129 88 27 -11-12-13 000 50 13 02 -28.2 -28.6 29.12 2 4 196 170 000 131 85 27 -11-12-13 000 51 13 03 -28.9 -29.7 29.12 2 2 178 152 000 132 84 27 -11-12-13 000 52 13 04 -28.5 -29.3 29.13 2 3 152 126 000 131 82 27 -11-12-13 000 53 13 05 -28.0 -28.8 29.14 4 6 115 89 000 131 81 27 -11-12-13 000 54 13 06 -27.9 -28.2 29.15 3 9 102 76 000 131 82 27 -12-12-13 000 55 13 07 -26.8 -27.1 29.16 3 10 106 80 000 130 79 28 -13-12-13 000 56 13 08 -25.1 -25.4 29.17 3 9 104 78 000 128 72 28 -13-12-13 000 57 13 09 -23.2 -23.4 29.18 5 5 84 59 000 125 66 28 -12-12-12 000 58 13 10 -21.7 -21.9 29.20 4 4 78 53 000 123 65 28 -12-12-12 000 59 13 11 -20.5 -20.8 29.21 3 3 72 47 000 120 65 28 -12-11-12 000 60 13 12 -18.9 -20.0 29.22 2 2 64 39 000 109 65 27 -12-11-12 000 61 13 13 -17.2 -18.7 29.23 0 0 57 31 000 104 66 26 -11-11-11 000 62 13 14 -15.6 -17.3 29.23 0 0 220 194 000 101 66 25 -11-11-11 000 63 13 15 -14.2 -16.0 29.23 1 1 208 182 000 98 67 24 -10-10-11 000 64 13 16 -13.0 -15.0 29.23 1 2 184 158 000 96 69 24 -10-10-10 000 65 13 17 -12.3 -14.7 29.24 1 1 153 128 000 92 70 24 -10-10-10 000 66 13 18 -12.3 -14.4 29.25 0 1 130 104 000 93 67 23 -10-10-10 000 67 13 19 -12.7 -14.6 29.26 0 1 315 289 000 96 63 23 -10-10-10 000 68 13 20 -13.3 -14.8 29.27 0 1 248 222 000 100 65 21 -10-10 -9 000 69 13 21 -14.1 -14.9 29.28 0 1 219 194 000 107 63 19 -10-10 -9 000 70 13 22 -15.0 -15.1 29.28 0 2 176 150 000 115 53 19 -10 -9 -9 000 71 13 23 -16.3 -16.5 29.29 1 2 151 126 000 116 42 19 -10 -9 -9 000 72 14 00 -18.3 -18.5 29.30 1 3 122 97 000 119 40 21 -10 -9 -9 000 73 14 01 -20.1 -20.7 29.31 2 4 114 88 000 121 37 25 -10 -9 -9 000 74 14 02 -21.0 -21.8 29.32 4 6 107 81 000 122 33 30 -10 -9 -9 000 75 14 03 -21.1 -21.9 29.33 4 8 99 74 000 122 32 34 -10 -9 -9 000 76 14 04 -20.9 -21.5 29.33 4 11 100 74 000 122 48 41 -10 -9 -9 000 77 14 05 -20.3 -20.8 29.34 4 11 105 80 000 121 69 77 -9 -9 -9 000 78 14 06 -19.4 -19.9 29.35 4 11 113 88 000 120 78 99 -8 -9 -9 000 79 14 07 -17.5 -18.1 29.35 5 14 121 96 -001 116 78 99 -8 -7 -8 000 80 14 08 -14.6 -15.3 29.35 7 19 98 73 000 109 70 93 -7 -7 -8 000 81 14 09 -11.7 -12.6 29.36 10 19 79 54 000 105 84 82 -7 -7 -8 000 82 14 10 -9.9 -11.4 29.37 11 19 68 42 000 97 87 82 -7 -7 -8 000 83 14 11 -7.7 -9.5 29.37 11 19 67 42 000 92 89100 -7 -7 -8 000 84 14 12 -6.8 -8.5 29.38 11 18 83 58 000 91 92 99 -7 -7 -8 001 85 14 13 -6.0 -7.6 29.38 11 17 86 60 000 92 92102 -6 -6 -7 001 86 14 14 -4.8 -6.2 29.38 12 19 86 61 000 93 97100 -6 -6 -7 002 87 14 15 -3.3 -4.8 29.38 14 20 81 56 000 90103100 -4 -6 -7 005 88 14 16 -2.9 -4.3 29.37 15 21 84 59 000 90101110 -4 -5 -6 005 89 14 17 -2.6 -4.3 29.37 15 22 84 59 000 88100109 -3 -5 -6 004 90 14 18 -2.3 -3.8 29.36 17 24 83 58 001 89101107 -3 -5 -6 002 91 14 19 -2.3 -3.5 29.36 19 26 80 55 001 92102105 -3 -4 -5 006 92 14 20 -2.6 -3.4 29.36 18 26 83 57 000 95104108 -3 -4 -5 037 93 14 21 -2.1 -3.0 29.37 15 20 55 29 000 94104108 -3 -4 -5 040 94 14 22 -2.7 -3.6 29.39 13 19 64 39 001 95104109 -3 -4 -6 009 95 14 23 -3.0 -3.8 29.40 13 19 67 41 000 96103105 -4 -5 -6 013 96 15 00 -3.8 -4.7 29.41 14 21 76 50 -002 96105109 -4 -5 -6 012 97 15 01 -4.7 -5.6 29.40 13 21 81 55 001 98 99101 -5 -5 -6 004 98 15 02 -4.7 -5.2 29.40 11 20 82 56 -001 101 98104 -4 -5 -6 002 99 15 03 -4.8 -5.3 29.38 10 20 89 64 001 101 92 95 -4 -5 -6 000 100 15 04 -4.9 -5.9 29.37 10 20 92 67 003 96 94108 -4 -5 -6 002 101 15 05 -5.3 -6.8 29.36 8 17 89 64 001 92 81 93 -3 -4 -6 002 102 15 06 -6.1 -7.5 29.35 7 16 97 72 -002 93 65 78 -4 -5 -6 000 103 15 07 -8.4 -8.9 29.34 6 12 108 82 002 106 63 67 -5 -5 -6 000 104 15 08 -8.8 -9.5 29.32 4 11 116 90 002 104 59 71 -6 -5 -6 000 105 15 09 -8.4 -9.2 29.31 3 7 103 77 000 101 49 70 -5 -5 -6 000 106 15 10 -7.1 -10.5 29.30 9 21 86 60 000 77 54 67 -6 -6 -6 000 107 15 11 -6.2 -10.0 29.28 11 21 88 62 000 74 52 71 -6 -6 -6 000 108 15 12 -5.3 -9.0 29.26 11 19 86 60 002 75 51 74 -6 -5 -5 000 109 15 13 -4.6 -8.1 29.25 10 16 86 61 000 75 54 75 -5 -4 -5 000 110 15 14 -4.3 -7.3 29.23 9 13 85 59 000 79 59 73 -5 -4 -5 000 111 15 15 -3.9 -7.1 29.21 7 11 84 58 000 78 54 74 -4 -4 -5 000 112 15 16 -3.6 -7.2 29.20 6 10 77 51 000 75 54 65 -4 -4 -5 000 113 15 17 -3.5 -7.1 29.19 4 9 80 54 001 75 61 62 -4 -4 -4 000 114 15 18 -3.3 -6.8 29.17 3 5 102 76 000 76 60 61 -4 -4 -4 000 115 15 19 -3.4 -5.8 29.16 2 4 143 117 000 79 54 54 -4 -3 -4 000 116 15 20 -4.1 -6.4 29.15 3 3 163 137 000 83 49 46 -4 -3 -4 000 117 15 21 -5.0 -6.6 29.14 3 4 167 142 000 90 46 45 -3 -3 -4 000 118 15 22 -5.7 -6.3 29.13 2 3 185 160 000 100 46 45 -3 -4 -4 000 119 15 23 -6.2 -6.3 29.12 2 3 220 195 000 105 48 40 -3 -4 -4 000 120 16 00 -7.3 -7.6 29.10 3 3 239 214 000 106 54 36 -3 -3 -4 000 * 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.