USAP Cape Hallett (CPH) site lat/lon = (-72.3167,170.2667) cell lat/lon = (-72.3073,170.2876) Forecast initialized at 2025-09-19/12 UTC MPAS cell scale: 2.5 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 19 12 -24.7 -31.6 28.70 6 6 226 36 003 66 86 74 -22-22-22 000 1 19 13 -30.9 -93.4 28.67 3 4 155 326 000 74 45 75 -20-21-21 000 2 19 14 -24.3 -31.3 28.69 6 7 143 314 001 83 67 63 -21-21-21 000 3 19 15 -33.1 -93.3 28.67 1 4 128 298 000 92 73 51 -22-22-22 000 4 19 16 -31.6 -93.4 28.69 3 4 297 107 000 103 83 74 -22-22-22 000 5 19 17 -26.3 -36.0 28.67 6 6 283 94 003 112 84 57 -22-23-22 000 6 19 18 -33.1 -93.3 28.68 3 3 205 16 -001 97 79 57 -22-23-23 000 7 19 19 -22.3 -22.3 28.69 3 4 146 317 -002 124109 64 -22-23-23 000 8 19 20 -25.8 -40.4 28.70 3 3 241 51 000 97113 88 -22-23-23 000 9 19 21 -21.3 -22.1 28.69 1 3 165 335 004 102111 89 -23-23-24 000 10 19 22 -21.1 -21.2 28.70 3 5 157 328 008 116120 91 -23-23-24 000 11 19 23 -20.8 -21.2 28.72 6 8 152 323 012 111115 89 -23-23-24 000 12 20 00 -20.8 -21.1 28.72 10 11 149 319 017 110102 89 -23-23-24 000 13 20 01 -20.8 -21.2 28.73 11 13 148 318 012 108 97 88 -23-23-24 000 14 20 02 -20.7 -21.1 28.75 12 13 151 321 002 108 95 85 -23-23-24 000 15 20 03 -20.9 -21.1 28.76 12 13 150 320 -002 110 95 79 -23-23-24 000 16 20 04 -21.0 -21.1 28.77 12 13 148 318 000 112114 78 -22-23-24 000 17 20 05 -21.3 -21.3 28.78 12 13 150 320 001 114117 83 -22-23-24 000 18 20 06 -21.8 -21.8 28.79 12 13 151 321 002 114116 80 -23-23-24 000 19 20 07 -22.2 -22.2 28.80 12 13 151 322 001 117115 77 -23-23-24 000 20 20 08 -22.3 -22.3 28.82 11 13 151 321 003 119114 75 -23-23-24 000 21 20 09 -22.5 -22.5 28.82 12 13 152 322 003 117113 77 -23-23-24 000 22 20 10 -22.7 -22.7 28.84 12 13 152 323 006 116112 77 -23-23-24 000 23 20 11 -22.8 -22.8 28.85 12 13 153 323 006 113109 75 -23-23-24 000 24 20 12 -22.9 -22.9 28.87 11 13 154 324 001 113104 71 -23-24-24 000 25 20 13 -22.8 -22.8 28.89 9 11 156 326 -003 116107 68 -23-24-24 000 26 20 14 -22.7 -23.1 28.91 7 10 158 328 -004 113105 63 -23-24-25 000 27 20 15 -22.6 -22.7 28.92 7 10 156 326 -002 116107 58 -24-24-24 000 28 20 16 -22.5 -22.5 28.94 8 11 152 323 -001 118107 59 -23-23-24 000 29 20 17 -22.4 -22.5 28.95 7 11 156 326 -003 116105 65 -23-23-24 000 30 20 18 -22.3 -22.8 28.97 5 9 164 334 000 115109 71 -23-23-24 000 31 20 19 -22.3 -22.6 28.99 4 9 169 339 002 116114 69 -23-23-24 000 32 20 20 -21.8 -21.8 29.02 2 8 179 350 004 115120 70 -23-23-23 000 33 20 21 -21.5 -21.7 29.03 2 8 167 337 006 114120 69 -23-23-23 000 34 20 22 -21.2 -21.8 29.04 3 9 165 336 006 111115 68 -23-23-23 000 35 20 23 -20.6 -21.3 29.06 5 10 164 334 005 109113 71 -22-23-23 000 36 21 00 -20.3 -21.0 29.08 5 10 169 339 004 108115 80 -22-23-23 000 37 21 01 -20.0 -20.8 29.11 5 10 168 338 003 107116 83 -22-23-23 000 38 21 02 -19.7 -20.7 29.12 5 10 173 343 002 106116 87 -21-22-23 000 39 21 03 -19.6 -20.8 29.14 4 10 186 357 002 105118 90 -21-22-23 000 40 21 04 -19.7 -21.0 29.15 2 8 252 63 001 102120 92 -21-22-23 000 41 21 05 -20.4 -22.1 29.16 4 9 283 93 000 101114 90 -21-22-22 000 42 21 06 -22.2 -25.3 29.18 4 8 270 81 001 107110102 -21-22-22 000 43 21 07 -30.9 -93.3 29.19 3 8 269 79 001 106110112 -21-22-22 000 44 21 08 -30.8 -93.3 29.21 1 9 243 53 001 104110117 -21-22-22 000 45 21 09 -30.5 -93.3 29.22 2 6 226 36 000 102108116 -21-22-22 000 46 21 10 -30.8 -93.3 29.22 3 5 238 48 000 116104116 -21-22-22 000 47 21 11 -29.2 -93.4 29.21 4 9 239 50 001 123102119 -21-21-22 000 48 21 12 -31.3 -93.3 29.21 3 8 230 40 001 121102111 -21-21-22 000 49 21 13 -29.6 -93.4 29.22 4 12 199 9 000 104 93103 -21-21-22 000 50 21 14 -31.2 -93.3 29.22 3 10 225 35 002 107 89 88 -21-21-22 000 51 21 15 -31.1 -93.3 29.21 3 14 199 9 000 98 78 76 -20-21-21 000 52 21 16 -27.4 -93.5 29.20 5 15 193 3 000 84 75 72 -20-20-21 000 53 21 17 -29.2 -93.4 29.19 4 13 250 60 -001 86 66 65 -19-20-20 000 54 21 18 -26.1 -37.7 29.17 6 13 271 82 -001 115 60 61 -19-19-20 000 55 21 19 -29.5 -93.4 29.15 3 9 263 73 001 70 63 57 -18-19-20 000 56 21 20 -27.2 -93.5 29.13 2 8 144 314 002 62 53 43 -18-19-20 000 57 21 21 -25.3 -93.6 29.11 1 1 206 17 003 61 55 50 -17-19-19 000 58 21 22 -20.0 -55.6 29.09 2 5 62 232 000 66 49 55 -17-18-18 000 59 21 23 -15.0 -21.3 29.09 3 5 103 273 -001 64 52 54 -16-17-18 000 60 22 00 -14.3 -19.5 29.10 0 4 129 299 -011 66 52 55 -16-17-18 000 61 22 01 -14.6 -20.9 29.10 4 9 201 11 -006 63 58 57 -16-17-18 000 62 22 02 -14.3 -20.7 29.10 4 10 196 7 002 62 56 56 -15-16-17 000 63 22 03 -14.6 -20.5 29.09 5 9 221 32 -001 66 60 72 -15-16-17 000 64 22 04 -17.6 -29.5 29.09 4 7 242 52 -005 63 60 75 -15-16-17 000 65 22 05 -16.6 -25.3 29.09 7 8 229 39 012 59 52 76 -14-15-16 000 66 22 06 -25.1 -93.6 29.09 2 6 127 297 003 67 63 71 -15-16-17 000 67 22 07 -26.4 -93.5 29.09 0 2 235 45 -013 62 53 63 -14-15-15 000 68 22 08 -21.4 -93.8 29.09 7 7 215 25 -013 48 41 63 -13-14-15 000 69 22 09 -24.3 -93.6 29.11 5 6 215 25 -003 46 46 71 -14-15-17 000 70 22 10 -24.1 -93.6 29.10 5 15 170 340 -013 57 49 69 -15-16-17 000 71 22 11 -14.0 -22.4 29.09 15 18 181 351 031 45 39 52 -12-14-16 000 72 22 12 -12.9 -21.6 29.09 19 20 198 8 030 41 33 53 -12-13-15 000 73 22 13 -14.2 -21.6 29.10 15 16 176 346 020 50 46 57 -13-15-16 000 74 22 14 -12.7 -21.0 29.11 20 22 194 5 029 44 35 63 -11-13-15 000 75 22 15 -25.0 -93.6 29.13 2 6 86 256 015 55 53 66 -14-15-16 000 76 22 16 -19.6 -32.9 29.14 9 10 259 69 029 61 48 69 -15-15-16 000 77 22 17 -26.4 -93.5 29.14 0 6 80 251 013 60 59 69 -15-16-17 000 78 22 18 -26.6 -93.5 29.15 4 5 13 183 004 88 58 78 -16-16-17 000 79 22 19 -16.4 -22.4 29.14 11 14 256 67 -004 61 50 72 -15-16-17 000 80 22 20 -15.9 -19.1 29.15 14 15 166 336 -005 81 58 75 -15-16-17 000 81 22 21 -23.7 -93.6 29.16 1 2 267 77 -007 70 60 76 -16-17-18 000 82 22 22 -15.0 -20.3 29.16 3 6 210 21 004 72 63 80 -15-16-18 000 83 22 23 -14.1 -20.3 29.15 12 14 245 55 006 58 46 66 -15-16-17 000 84 23 00 -14.4 -18.6 29.17 6 7 135 306 002 76 89 83 -16-17-19 000 85 23 01 -14.3 -19.9 29.16 9 10 234 44 -001 63 63 79 -15-17-18 000 86 23 02 -14.7 -17.7 29.18 12 14 153 323 000 83 90110 -16-17-19 000 87 23 03 -14.8 -18.4 29.18 12 15 167 337 015 78 66 77 -16-17-18 000 88 23 04 -15.2 -19.8 29.18 10 11 180 350 008 71 70 94 -16-17-19 000 89 23 05 -24.3 -93.6 29.18 1 8 169 339 -004 85101116 -17-19-20 000 90 23 06 -18.0 -20.6 29.17 8 8 168 338 000 95101112 -17-19-20 000 91 23 07 -19.7 -24.6 29.17 8 8 235 45 -003 88109112 -18-19-20 000 92 23 08 -19.3 -22.2 29.16 9 9 245 55 -004 99112103 -18-19-20 000 93 23 09 -18.8 -20.5 29.15 9 10 257 67 -005 105105 98 -18-19-20 000 94 23 10 -19.7 -22.2 29.13 9 10 259 69 -004 101109 91 -19-20-20 000 95 23 11 -18.9 -22.1 29.12 10 10 248 58 -007 87103 89 -19-20-20 000 96 23 12 -18.1 -21.9 29.11 11 12 247 57 -002 78 94 80 -18-19-20 000 97 23 13 -19.0 -25.5 29.10 9 9 234 44 -003 67 83 79 -18-19-19 000 98 23 14 -23.9 -93.6 29.09 6 6 211 21 -003 78 74 88 -17-19-20 000 99 23 15 -27.7 -93.5 29.09 4 5 207 18 -004 86 69 87 -18-19-20 000 100 23 16 -29.9 -93.4 29.08 3 3 224 34 -005 95 70 90 -19-19-20 000 101 23 17 -29.5 -93.4 29.07 4 4 255 65 -003 82 68 85 -19-19-20 000 102 23 18 -26.5 -93.5 29.06 5 6 263 74 -005 84 68 84 -19-19-19 000 103 23 19 -24.7 -93.6 29.05 6 6 262 72 -006 81 67 82 -18-18-19 000 104 23 20 -22.5 -49.1 29.05 5 5 257 67 -003 74 62 77 -18-18-19 000 105 23 21 -17.5 -22.3 29.04 4 4 260 71 000 75 60 74 -17-18-19 000 106 23 22 -16.7 -21.8 29.04 4 4 262 73 -001 72 59 76 -17-18-19 000 107 23 23 -16.4 -21.0 29.03 4 4 284 94 000 74 62 75 -17-18-19 000 108 24 00 -16.3 -19.7 29.03 6 6 290 100 000 83 58 75 -17-17-18 000 109 24 01 -16.0 -19.8 29.03 5 5 284 94 000 80 56 74 -17-17-18 000 110 24 02 -15.6 -20.3 29.02 4 5 285 96 000 73 60 71 -16-17-18 000 111 24 03 -15.3 -20.5 29.02 4 4 266 77 000 70 56 72 -16-17-18 000 112 24 04 -17.2 -26.0 29.02 3 6 188 359 -001 66 51 78 -16-17-18 000 113 24 05 -18.5 -32.1 29.02 6 6 192 2 -001 55 54 76 -16-17-18 000 114 24 06 -20.5 -93.8 29.01 6 8 182 353 -004 53 58 76 -15-17-18 000 115 24 07 -19.7 -44.0 29.01 8 9 186 356 -005 50 52 71 -15-17-18 000 116 24 08 -17.9 -28.4 29.01 8 9 184 354 -003 58 59 76 -15-16-18 000 117 24 09 -17.8 -29.3 29.01 9 9 193 3 000 52 51 75 -14-16-17 000 118 24 10 -15.8 -23.7 29.01 11 11 200 11 000 51 42 66 -14-15-17 000 119 24 11 -16.0 -24.5 29.01 11 11 185 356 007 48 43 68 -14-15-17 000 120 24 12 -16.4 -27.2 29.02 10 14 167 338 005 46 47 67 -14-15-17 000 * 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.