Heard Island site lat/lon = (-53.0000,72.6000) cell lat/lon = (-53.0015,72.5908) Forecast initialized at 2026-10-14/00 UTC MPAS cell scale: 17.3 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 -2.1 -3.8 28.86 10 10 101 173 000 87 95 95 -3 -5 -6 000 1 14 01 -1.9 -4.0 28.84 12 13 108 180 -003 86 94105 -3 -5 -6 019 2 14 02 -1.6 -4.2 28.85 12 14 113 186 000 83 93103 -3 -4 -6 011 3 14 03 -1.4 -4.1 28.86 13 15 119 192 000 82 92101 -3 -4 -5 008 4 14 04 -1.3 -4.1 28.87 14 16 122 195 000 81 92104 -3 -4 -5 013 5 14 05 -1.2 -4.5 28.87 14 16 131 204 000 78 91 98 -3 -4 -5 008 6 14 06 -1.1 -4.4 28.89 13 15 146 218 000 78 88 96 -2 -4 -5 003 7 14 07 -1.1 -4.0 28.94 15 17 161 234 000 80 88101 -2 -4 -5 002 8 14 08 -0.9 -4.4 28.97 16 18 169 242 000 76 85 92 -2 -4 -5 001 9 14 09 -1.0 -4.6 29.02 18 20 176 249 000 75 87 95 -2 -4 -5 001 10 14 10 -1.1 -4.9 29.07 18 21 183 255 001 74 86 92 -3 -4 -5 002 11 14 11 -1.0 -5.4 29.12 17 20 193 266 000 70 81 83 -2 -4 -5 001 12 14 12 -0.9 -5.9 29.17 17 21 207 280 000 66 75 78 -2 -4 -5 000 13 14 13 -0.7 -5.8 29.19 19 21 216 289 000 66 75 87 -2 -4 -5 000 14 14 14 -1.1 -4.0 29.24 20 24 215 288 001 79 87 94 -3 -4 -5 003 15 14 15 -0.7 -5.0 29.27 20 24 214 287 002 71 80 76 -2 -4 -5 000 16 14 16 -0.9 -5.0 29.30 17 20 217 289 002 72 83 81 -2 -4 -5 000 17 14 17 -0.7 -5.3 29.31 16 20 229 301 005 69 75 65 -2 -4 -5 000 18 14 18 -1.1 -3.4 29.33 18 20 238 311 -007 84 97 99 -3 -4 -5 006 19 14 19 -1.0 -3.7 29.36 20 26 222 295 -003 81 89 84 -2 -4 -5 078 20 14 20 -0.3 -7.9 29.36 18 25 229 301 003 52 55 72 -2 -3 -5 000 21 14 21 -0.4 -5.3 29.38 22 27 238 310 004 67 75 71 -2 -3 -5 000 22 14 22 -0.5 -6.3 29.39 22 29 233 305 002 61 68 70 -2 -3 -5 000 23 14 23 -0.5 -7.3 29.41 24 30 232 304 -001 56 59 74 -2 -3 -5 000 24 15 00 -1.2 -4.2 29.42 22 28 238 310 000 79 89102 -3 -4 -5 002 25 15 01 -0.7 -6.0 29.43 26 34 222 295 000 64 67 65 -2 -4 -5 013 26 15 02 -1.2 -5.1 29.46 21 26 228 301 -001 73 85 97 -3 -4 -6 000 27 15 03 -0.4 -5.4 29.47 19 25 232 305 001 66 73 75 -2 -3 -5 005 28 15 04 -1.0 -3.7 29.49 20 24 222 294 000 81 92100 -2 -4 -5 004 29 15 05 -0.5 -4.4 29.50 17 25 229 301 001 73 79 54 -2 -3 -4 003 30 15 06 -0.3 -5.0 29.53 21 25 225 298 000 68 77 81 -2 -3 -5 000 31 15 07 -0.8 -3.3 29.54 19 25 231 303 000 82 88 97 -2 -3 -5 006 32 15 08 -0.6 -2.8 29.56 18 23 238 310 001 85 92 93 -2 -3 -4 011 33 15 09 -0.1 -2.7 29.59 19 24 235 307 001 82 91 88 -1 -3 -4 000 34 15 10 0.2 -2.6 29.61 21 30 235 307 004 79 89105 -1 -2 -4 013 35 15 11 0.4 -3.1 29.63 22 26 218 291 000 75 83 75 -1 -2 -4 000 36 15 12 0.5 -3.8 29.66 18 23 219 292 000 70 78 84 -1 -2 -4 000 37 15 13 0.3 -3.4 29.68 16 21 223 295 001 74 85 96 -1 -2 -4 000 38 15 14 0.3 -2.4 29.69 14 22 228 301 002 81 93 93 -1 -2 -4 003 39 15 15 0.7 -2.5 29.72 14 20 234 307 000 77 86 83 0 -2 -3 000 40 15 16 0.9 -2.6 29.73 15 21 242 315 000 75 85 83 0 -2 -3 000 41 15 17 0.9 -1.5 29.73 16 23 251 324 002 82 91 84 0 -2 -3 000 42 15 18 0.9 -1.6 29.73 17 22 247 319 001 81 91 86 0 -2 -3 000 43 15 19 0.9 -2.3 29.72 17 23 243 316 002 77 86 80 0 -2 -3 000 44 15 20 0.9 -2.4 29.71 17 21 250 322 001 76 85 81 0 -2 -3 000 45 15 21 0.8 -2.2 29.69 14 18 258 331 -001 78 76 84 0 -2 -3 000 46 15 22 0.9 -1.9 29.68 14 18 277 350 000 80 71 90 0 -1 -2 000 47 15 23 1.0 -1.7 29.67 14 18 293 5 000 80 67 92 0 -1 -2 000 48 16 00 1.0 -1.7 29.63 14 18 309 22 000 81 56101 0 -1 -2 000 49 16 01 0.7 -1.4 29.58 16 21 321 34 000 84 81104 0 -2 -3 001 50 16 02 0.5 -1.3 29.53 19 26 331 44 -001 87 95 96 -1 -2 -3 007 51 16 03 0.4 -0.5 29.46 22 31 346 59 -003 93101100 -1 -2 -3 030 52 16 04 0.7 0.1 29.39 25 34 346 58 -004 95101101 0 -1 -2 068 53 16 05 1.0 0.3 29.32 27 38 343 56 -003 95101101 0 -1 -1 052 54 16 06 1.3 0.8 29.25 29 41 342 55 -007 96100102 0 0 0 095 55 16 07 1.4 0.9 29.15 29 43 346 59 -014 97100100 0 0 0 120 56 16 08 1.4 0.9 29.09 30 44 334 46 000 96100103 0 0 0 181 57 16 09 1.6 0.9 29.06 29 40 310 23 -005 96100103 0 0 0 094 58 16 10 1.6 -0.9 29.08 34 47 242 314 000 82 90105 0 -1 -2 031 59 16 11 1.7 -2.4 29.12 30 42 248 320 002 71 79 88 0 -1 -2 000 60 16 12 1.2 -1.2 29.15 30 44 254 326 000 83 91 93 0 -1 -2 000 61 16 13 1.4 -1.4 29.18 30 44 254 327 000 79 88 96 0 -1 -2 001 62 16 14 1.3 -1.3 29.20 31 45 254 327 -003 80 90101 0 -1 -2 001 63 16 15 1.5 -1.6 29.23 32 45 255 328 -003 78 86 94 0 -1 -2 001 64 16 16 1.5 -1.7 29.27 32 44 253 326 -004 77 86 96 0 -1 -2 001 65 16 17 1.5 -1.9 29.29 30 42 256 329 -004 76 84105 0 -1 -2 003 66 16 18 1.3 -2.1 29.31 29 40 255 327 -002 76 84107 0 -1 -3 000 67 16 19 1.0 -1.6 29.33 28 41 257 330 -005 81 90104 0 -1 -3 004 68 16 20 1.0 -1.0 29.33 26 36 263 336 -009 85 93106 0 -1 -2 006 69 16 21 1.0 -0.8 29.35 26 36 269 342 -009 86 95105 0 -1 -3 006 70 16 22 0.9 -0.9 29.36 25 36 272 344 -007 86 93105 0 -1 -3 008 71 16 23 0.9 -0.6 29.37 26 38 278 350 001 88 94106 0 -1 -2 010 72 17 00 1.2 -1.1 29.37 28 39 277 350 002 83 91101 0 -1 -2 005 73 17 01 1.2 -0.8 29.37 27 38 280 353 -007 85 93105 0 -1 -2 001 74 17 02 1.3 -0.6 29.35 26 36 288 1 -007 86 94100 0 -1 -2 000 75 17 03 1.6 -0.8 29.34 27 39 293 5 -002 82 91105 0 -1 -2 006 76 17 04 1.5 -0.5 29.32 27 38 291 4 -003 85 96105 0 -1 -2 001 77 17 05 1.5 -0.5 29.29 26 36 295 8 -001 86 97102 0 -1 -2 000 78 17 06 1.5 -0.5 29.27 26 36 302 14 -006 86 98 99 0 -1 -2 000 79 17 07 1.4 -0.4 29.23 26 36 306 18 -005 87100104 0 -1 -2 000 80 17 08 1.4 -0.4 29.18 26 36 311 23 -002 87101104 0 -1 -2 000 81 17 09 1.1 -0.4 29.12 25 35 317 30 -005 88 99101 0 -1 -2 001 82 17 10 0.6 -0.1 29.04 25 37 327 40 -009 95100100 0 -1 -2 093 83 17 11 0.7 -0.0 28.92 25 34 339 52 -011 95101 95 0 -1 -2 066 84 17 12 0.7 0.2 28.80 28 39 346 58 -014 96101101 0 -1 -2 108 85 17 13 1.0 0.6 28.66 31 44 345 58 -013 98100101 0 0 0 241 86 17 14 2.6 2.0 28.54 33 50 319 32 -018 96100101 1 1 0 218 87 17 15 3.0 2.2 28.51 36 54 281 353 005 94100103 2 1 0 065 88 17 16 2.6 -0.8 28.51 33 49 271 344 000 76 79 93 1 0 -1 003 89 17 17 1.9 -0.1 28.49 31 47 284 356 002 85 93102 0 0 -1 001 90 17 18 1.7 -1.1 28.48 36 50 279 352 000 80 89 91 0 -1 -2 024 91 17 19 1.0 -0.1 28.45 34 50 288 1 -009 92 99105 0 -1 -2 018 92 17 20 1.4 -0.5 28.41 37 52 286 359 -011 86 94102 0 -1 -2 036 93 17 21 1.4 -0.6 28.37 41 59 285 358 004 85 93103 0 -1 -2 066 94 17 22 1.4 -0.5 28.33 41 60 287 359 008 86 94105 0 -1 -2 063 95 17 23 1.1 -0.4 28.32 42 58 273 345 000 89 96106 0 -1 -2 033 96 18 00 0.9 -1.2 28.35 44 63 262 334 000 84 92106 0 -1 -3 021 97 18 01 0.9 -1.8 28.41 46 65 256 329 000 80 89102 0 -1 -3 021 98 18 02 0.6 -2.4 28.48 44 62 253 326 001 78 87100 -1 -2 -3 005 99 18 03 0.2 -3.3 28.53 43 59 251 324 002 75 85103 -1 -3 -4 007 100 18 04 0.2 -3.6 28.58 42 57 250 323 003 73 81 96 -1 -3 -4 000 101 18 05 0.5 -3.5 28.62 40 55 248 320 002 72 81 97 -1 -2 -4 000 102 18 06 0.5 -2.8 28.66 39 53 247 319 000 77 86100 -1 -2 -4 002 103 18 07 0.5 -2.4 28.71 37 51 246 318 -001 79 88101 -1 -2 -3 007 104 18 08 0.5 -2.4 28.77 36 50 244 317 -001 79 88100 -1 -2 -3 004 105 18 09 0.5 -2.2 28.81 35 48 243 315 -001 81 90101 -1 -2 -3 006 106 18 10 0.5 -2.0 28.85 33 45 242 314 -001 82 92101 -1 -2 -3 008 107 18 11 0.8 -4.3 28.90 34 46 241 314 -003 65 70 75 0 -2 -3 003 108 18 12 0.2 -2.0 28.94 30 41 245 318 -001 84 94100 -1 -2 -4 004 109 18 13 0.2 -2.0 28.96 30 42 245 318 -001 84 94105 -1 -2 -4 032 110 18 14 0.7 -3.4 28.99 34 47 242 315 -003 71 79 84 -1 -2 -3 005 111 18 15 0.3 -2.2 29.02 29 39 247 320 -001 82 92 98 -1 -2 -4 007 112 18 16 0.3 -2.2 29.03 32 44 252 325 000 81 91 97 -1 -2 -4 016 113 18 17 0.8 -3.6 29.05 33 45 251 323 000 69 76 75 0 -2 -3 002 114 18 18 0.4 -2.7 29.07 30 42 254 326 000 77 86 91 -1 -2 -4 001 115 18 19 0.6 -2.9 29.08 32 43 253 326 000 75 85 80 -1 -2 -3 000 116 18 20 0.4 -2.4 29.09 31 43 255 328 000 79 88 90 -1 -2 -4 008 117 18 21 0.5 -2.2 29.10 30 41 257 329 002 80 90 96 -1 -2 -3 002 118 18 22 1.2 -4.1 29.09 31 40 261 334 000 64 69 73 0 -1 -3 001 119 18 23 0.9 -1.9 29.08 27 37 273 346 000 80 89 94 0 -2 -3 000 120 19 00 0.8 -2.4 29.05 28 37 273 346 000 77 84 82 0 -2 -3 000 * 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.