Heard Island site lat/lon = (-53.0000,72.6000) cell lat/lon = (-53.0015,72.5908) Forecast initialized at 2025-11-08/00 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 08 00 1.5 -2.2 29.85 7 8 317 29 000 75 84 73 0 -1 -2 000 1 08 01 1.5 -1.5 29.85 7 8 323 35 001 79 85 77 0 -1 -2 000 2 08 02 1.6 -1.2 29.86 7 9 335 47 000 80 85 74 0 -1 -2 000 3 08 03 1.6 -1.0 29.85 8 10 340 53 000 81 86 73 0 -1 -2 000 4 08 04 1.6 -0.8 29.86 8 11 346 58 001 82 86 76 0 -1 -2 000 5 08 05 1.6 -0.6 29.84 9 12 348 61 001 83 85 79 0 -1 -2 000 6 08 06 1.7 -0.5 29.86 9 12 343 55 -001 84 85 81 0 -1 -2 000 7 08 07 1.7 -0.4 29.85 9 12 343 56 001 85 86 84 0 -1 -2 000 8 08 08 1.7 -0.2 29.85 10 13 342 55 000 86 87 87 0 -1 -2 000 9 08 09 1.7 -0.1 29.84 9 12 345 57 000 87 88 86 0 -1 -2 000 10 08 10 1.6 0.0 29.81 8 11 351 64 000 88 88 83 0 -1 -2 000 11 08 11 1.6 0.1 29.81 9 12 358 71 000 89 91 85 0 -1 -2 000 12 08 12 1.5 -0.1 29.80 9 12 6 79 000 88 89 81 0 -1 -2 000 13 08 13 1.5 -0.2 29.79 10 13 13 85 000 87 88 73 0 -1 -2 000 14 08 14 1.5 -0.2 29.79 11 14 14 86 000 88 92 79 0 -1 -2 000 15 08 15 1.3 -0.3 29.77 13 15 13 86 001 88 96101 0 -1 -2 000 16 08 16 1.0 -0.2 29.76 13 15 13 86 002 91102105 0 -1 -2 000 17 08 17 1.3 0.4 29.75 12 17 16 88 000 94101105 0 -1 -1 000 18 08 18 1.7 0.8 29.73 13 17 19 91 002 94 97 90 0 0 -1 000 19 08 19 1.0 0.9 29.71 15 18 17 90 001 100 80 82 0 0 -1 000 20 08 20 0.3 0.1 29.69 16 19 21 93 000 100 86 85 -1 0 0 000 21 08 21 0.2 0.1 29.66 18 24 27 100 005 100 91 43 -1 0 0 000 22 08 22 0.4 0.2 29.64 19 25 23 95 002 100102 43 -1 -2 0 000 23 08 23 0.4 0.3 29.62 19 26 19 91 000 100102 67 0 -2 0 000 24 09 00 0.4 0.3 29.59 19 24 27 99 002 100 92 64 -1 0 2 000 25 09 01 0.4 0.2 29.57 18 23 26 99 002 100 82 62 -1 0 2 000 26 09 02 0.3 0.2 29.56 20 25 26 98 001 100 85 63 -1 0 2 000 27 09 03 0.4 0.2 29.54 19 26 26 99 000 100 84 62 -1 0 2 000 28 09 04 0.5 0.3 29.53 20 25 28 101 001 100 89 67 0 0 2 000 29 09 05 0.7 0.6 29.50 20 26 27 100 001 100100 71 0 0 2 000 30 09 06 1.2 1.1 29.48 20 28 27 100 000 100101 74 0 0 3 000 31 09 07 1.4 1.3 29.46 21 28 24 96 000 100101 65 0 0 3 000 32 09 08 1.7 1.5 29.43 21 29 25 97 000 100100 60 0 0 3 000 33 09 09 2.3 2.1 29.41 19 30 27 100 000 100100 76 1 1 1 000 34 09 10 2.5 2.4 29.40 19 31 28 101 000 100100 91 2 2 1 000 35 09 11 2.5 2.4 29.37 19 31 33 105 000 100100 90 2 2 2 000 36 09 12 2.7 2.6 29.34 20 33 32 105 000 100100 80 2 3 3 000 37 09 13 2.8 2.6 29.31 19 32 30 102 000 100100 77 2 3 3 000 38 09 14 2.7 2.6 29.29 18 31 29 101 -001 100100 72 2 3 3 001 39 09 15 2.7 2.6 29.26 17 29 28 100 000 100100 68 2 3 3 000 40 09 16 2.8 2.6 29.24 18 28 24 96 002 100100 78 2 3 4 000 41 09 17 2.7 2.5 29.20 18 27 25 97 001 100100 84 2 4 5 000 42 09 18 2.5 2.4 29.16 18 28 21 93 -003 100100 68 2 5 4 000 43 09 19 2.7 2.6 29.13 20 33 20 93 000 100100 43 3 3 5 000 44 09 20 3.1 2.9 29.09 22 37 20 93 -001 100 76 36 3 4 5 000 45 09 21 3.1 2.9 29.04 25 39 26 98 -003 100 51 83 2 5 5 007 46 09 22 3.1 2.8 28.99 27 45 31 104 -001 99 85100 2 4 4 050 47 09 23 3.4 3.2 28.95 30 49 28 100 -003 99100100 3 3 4 134 48 10 00 3.6 3.4 28.92 30 47 20 93 -002 99100100 3 3 3 110 49 10 01 3.5 3.4 28.88 29 46 16 89 -011 100100100 3 2 3 043 50 10 02 3.7 3.5 28.86 26 39 6 79 000 100100100 3 3 2 139 51 10 03 3.2 3.0 28.86 21 29 336 49 -008 100100100 2 1 0 116 52 10 04 1.6 1.2 28.87 17 22 304 16 001 98 99 92 0 0 0 090 53 10 05 1.7 0.7 28.88 17 23 294 6 002 93 97104 0 0 -1 012 54 10 06 1.9 0.5 28.90 14 20 296 9 002 90 85 97 0 0 -1 000 55 10 07 1.9 0.6 28.91 13 20 312 25 000 90100 72 0 0 -1 000 56 10 08 2.0 0.6 28.91 14 21 332 45 001 90100 80 0 0 0 000 57 10 09 2.0 0.7 28.90 15 24 350 62 003 90 88 84 0 0 0 000 58 10 10 2.1 0.5 28.89 17 26 2 75 001 88 67 78 0 0 0 000 59 10 11 2.1 0.4 28.87 19 30 4 77 -001 87 86 96 0 0 0 000 60 10 12 1.9 1.0 28.84 18 26 8 81 -003 93100 96 0 0 0 016 61 10 13 2.1 1.1 28.83 20 30 9 81 001 93100103 0 0 0 033 62 10 14 2.4 1.1 28.81 21 28 2 75 000 90 97 83 1 0 0 000 63 10 15 2.3 1.3 28.78 20 29 13 85 -002 93 99103 1 0 0 002 64 10 16 2.4 1.3 28.77 22 30 8 81 000 92 99 95 1 0 0 001 65 10 17 2.3 1.3 28.76 21 28 11 84 002 93100 97 1 0 0 001 66 10 18 2.1 1.4 28.74 21 29 14 87 -001 95100103 0 0 0 023 67 10 19 2.2 1.4 28.71 20 27 10 83 001 95100 98 0 0 0 018 68 10 20 2.2 1.3 28.68 18 26 357 70 003 93 97105 1 0 -1 005 69 10 21 2.2 1.2 28.66 17 25 0 72 001 92 97 98 0 0 0 000 70 10 22 2.1 1.1 28.64 18 25 0 73 000 93 99 91 0 0 -1 002 71 10 23 2.0 0.9 28.63 16 22 6 78 000 91100 91 0 0 -1 001 72 11 00 2.0 0.8 28.61 16 22 20 93 000 91100104 0 0 -1 004 73 11 01 2.0 0.7 28.58 19 27 22 94 002 90 98104 0 0 -1 016 74 11 02 2.2 0.4 28.57 18 23 15 87 000 86 92101 0 0 -1 000 75 11 03 1.9 0.7 28.56 14 18 17 90 002 91 97102 0 0 -1 000 76 11 04 1.7 0.9 28.55 11 14 18 90 000 94100105 0 0 -1 004 77 11 05 1.2 0.9 28.54 7 8 11 84 -008 98101104 0 0 -1 040 78 11 06 1.1 0.8 28.53 4 5 293 6 -016 99101104 0 0 -1 110 79 11 07 1.2 0.7 28.53 9 12 248 320 -001 97 98101 0 -1 -2 052 80 11 08 1.3 0.6 28.53 12 15 240 313 -001 95 94 92 0 0 -2 011 81 11 09 1.6 0.5 28.54 14 18 240 313 -001 92 96 94 0 0 -2 000 82 11 10 1.6 0.7 28.56 16 22 239 312 -001 93100105 0 -1 -1 000 83 11 11 1.3 0.3 28.58 20 26 241 314 000 93 95105 0 -1 -2 013 84 11 12 1.4 -0.5 28.60 21 27 247 320 000 86 92 99 0 -1 -2 004 85 11 13 1.4 -0.6 28.62 20 27 249 321 000 85 93104 0 -1 -2 000 86 11 14 1.6 -0.9 28.64 20 26 245 318 000 82 93 99 0 -1 -2 000 87 11 15 1.5 -0.7 28.67 19 25 243 315 001 84 93 93 0 -1 -2 000 88 11 16 1.6 -0.8 28.69 19 24 243 316 000 82 91 93 0 -1 -2 000 89 11 17 1.6 -0.8 28.72 19 25 243 316 000 82 91 92 0 -1 -2 000 90 11 18 1.7 -0.6 28.76 19 25 242 314 000 83 89 98 0 -1 -1 000 91 11 19 1.7 -0.3 28.79 19 25 242 314 001 85 91103 0 -1 -2 000 92 11 20 1.6 -0.5 28.82 19 25 243 316 000 85 89103 0 -1 -2 001 93 11 21 1.7 -1.0 28.85 19 26 244 316 002 80 77 92 0 0 -1 000 94 11 22 1.8 -1.5 28.88 18 24 249 321 000 77 71 87 0 0 -1 000 95 11 23 1.8 -1.4 28.91 17 23 258 330 000 77 71 88 0 0 -2 000 96 12 00 1.8 -0.8 28.94 17 23 267 339 000 81 72 91 0 0 -2 000 97 12 01 1.9 -1.3 28.96 17 22 272 344 001 76 76101 0 -1 -2 000 98 12 02 1.8 -0.7 28.96 16 26 276 348 000 81 87 96 0 -1 -2 000 99 12 03 1.4 0.5 28.97 18 24 283 355 001 94 98104 0 -1 -2 003 100 12 04 1.4 -0.2 28.98 22 30 278 351 -001 89 97100 0 -1 -2 007 101 12 05 1.5 -0.9 28.98 21 30 287 0 000 82 88103 0 -1 -2 000 102 12 06 1.6 -0.8 28.98 22 29 295 8 -001 82 93 97 0 -1 -2 000 103 12 07 1.1 0.5 28.97 20 28 305 17 000 96100101 0 -1 -2 025 104 12 08 1.7 0.9 28.95 22 33 315 27 000 94100104 0 0 -1 020 105 12 09 1.7 0.9 28.92 22 30 308 21 000 94100102 0 0 -1 023 106 12 10 1.8 0.8 28.89 22 30 325 38 -003 93100 99 0 0 -1 015 107 12 11 1.7 1.0 28.85 22 31 336 49 -005 95100103 0 0 -1 028 108 12 12 1.8 1.0 28.79 23 33 349 62 -005 95100102 0 0 0 054 109 12 13 1.8 1.1 28.74 25 36 346 59 000 95100102 0 0 0 013 110 12 14 2.0 1.4 28.68 22 32 345 58 -001 96100101 0 0 0 050 111 12 15 2.4 2.1 28.63 18 29 349 61 -002 99100101 1 1 0 068 112 12 16 2.7 2.6 28.60 15 26 335 47 -002 100100100 2 1 0 044 113 12 17 2.9 2.7 28.59 16 28 309 22 000 100100100 2 2 1 020 114 12 18 2.8 2.7 28.59 21 31 297 10 -001 100100101 2 1 0 033 115 12 19 2.5 2.3 28.61 23 34 287 359 000 100100 97 1 0 0 008 116 12 20 2.4 2.3 28.63 24 36 284 357 003 100100101 1 0 0 001 117 12 21 2.8 1.7 28.66 26 37 287 0 003 92 99103 1 0 0 000 118 12 22 2.3 1.7 28.68 24 35 296 8 000 96100103 1 0 0 015 119 12 23 2.5 1.3 28.70 24 35 297 10 000 91100103 1 0 0 004 120 13 00 2.3 1.5 28.72 23 35 298 10 000 94100103 1 0 0 009 * 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.