Heard Island site lat/lon = (-53.0000,72.6000) cell lat/lon = (-53.0015,72.5908) Forecast initialized at 2025-11-08/12 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 12 1.9 -1.2 29.78 11 12 6 79 000 78 88 71 0 -1 -2 000 1 08 13 1.9 -0.3 29.76 11 14 12 84 000 84 94 89 0 -1 -2 000 2 08 14 1.8 0.1 29.76 12 15 18 90 001 87 94100 0 -1 -2 000 3 08 15 1.8 0.3 29.75 13 16 16 89 -001 89 99104 0 -1 -1 000 4 08 16 1.9 0.6 29.74 13 18 17 90 000 90101104 0 0 -1 000 5 08 17 2.2 0.9 29.71 14 19 22 94 001 91100103 0 0 -1 000 6 08 18 2.0 1.3 29.69 16 20 22 95 000 95100 95 0 0 0 004 7 08 19 1.4 1.3 29.66 17 21 23 95 000 100 99 89 0 0 0 016 8 08 20 1.3 1.2 29.66 17 22 16 88 001 100100 71 0 0 0 000 9 08 21 1.5 1.3 29.64 17 23 12 84 005 100101 48 0 0 0 000 10 08 22 1.3 1.2 29.60 17 22 13 86 002 100101 69 0 -1 0 000 11 08 23 1.3 1.1 29.58 17 22 17 90 001 100 86 68 0 0 1 000 12 09 00 1.3 1.1 29.58 17 22 21 94 000 100 85 59 0 0 2 000 13 09 01 1.2 1.0 29.56 17 21 26 99 001 100 80 52 0 0 2 000 14 09 02 1.1 1.0 29.54 18 23 31 103 001 100 84 48 0 0 2 000 15 09 03 1.0 0.9 29.51 19 25 33 105 000 100 92 50 0 0 2 000 16 09 04 1.2 1.1 29.49 19 25 33 106 000 100100 59 0 0 2 000 17 09 05 1.6 1.5 29.47 19 26 33 106 000 100100 62 0 0 2 000 18 09 06 1.7 1.6 29.44 20 26 31 103 000 100100 52 0 0 2 000 19 09 07 2.2 2.1 29.42 19 28 33 106 000 100100 68 1 0 0 000 20 09 08 2.8 2.7 29.38 19 30 41 114 000 100100 91 2 1 1 000 21 09 09 3.0 2.9 29.36 20 31 40 113 003 100100 92 2 2 3 002 22 09 10 3.1 3.0 29.32 22 34 39 112 004 100100 81 2 2 4 002 23 09 11 3.2 3.1 29.29 22 34 40 113 -007 100 99 79 2 4 4 020 24 09 12 3.3 3.1 29.26 22 34 43 115 004 100 98 88 3 4 4 018 25 09 13 3.4 3.3 29.23 21 35 39 112 -019 100 98100 3 5 5 060 26 09 14 3.4 3.3 29.22 19 33 27 100 -001 100100100 3 4 5 089 27 09 15 3.4 3.3 29.21 17 29 21 93 -002 100100100 3 4 3 019 28 09 16 3.4 3.3 29.19 16 26 17 90 000 100100100 3 3 4 016 29 09 17 3.3 3.2 29.16 15 24 21 93 000 100 94100 3 5 5 008 30 09 18 3.2 3.1 29.14 15 23 17 90 003 100 95 87 3 5 5 001 31 09 19 3.1 2.9 29.10 15 23 23 96 -002 100 89 76 4 6 6 010 32 09 20 3.0 2.9 29.06 17 27 26 98 001 100 83 87 4 6 6 007 33 09 21 3.0 2.8 29.02 19 30 26 98 000 100 70 93 3 5 6 000 34 09 22 3.3 2.9 28.97 21 38 31 104 004 97 93 94 4 6 5 001 35 09 23 3.8 3.7 28.93 26 45 26 99 003 100100100 3 5 5 000 36 10 00 4.0 3.9 28.88 29 48 18 91 001 100100100 3 4 5 012 37 10 01 4.3 4.2 28.84 29 47 15 88 005 100100100 4 4 4 047 38 10 02 4.7 4.6 28.81 28 46 6 79 -007 100100100 4 4 3 131 39 10 03 4.0 3.9 28.81 24 33 337 50 -001 100100 99 3 2 1 059 40 10 04 2.5 1.9 28.82 20 26 315 27 001 96 99 92 1 0 0 045 41 10 05 2.1 1.3 28.84 21 27 307 19 000 94100102 0 0 -1 003 42 10 06 2.3 0.7 28.86 17 23 301 13 000 88 88 86 0 0 -1 000 43 10 07 2.4 0.6 28.86 15 22 308 20 003 87 95 67 0 0 -1 000 44 10 08 2.5 0.6 28.88 15 22 330 42 000 86 96 60 1 0 -1 000 45 10 09 2.5 0.7 28.88 15 21 345 57 000 87 98 75 1 0 -1 000 46 10 10 2.5 1.0 28.85 15 21 11 83 -002 89 91 84 1 0 0 000 47 10 11 2.5 1.3 28.83 19 28 22 95 002 91 81 95 1 1 0 000 48 10 12 2.9 1.7 28.81 22 34 16 89 -002 91 99102 1 0 0 020 49 10 13 3.0 1.7 28.78 21 29 7 80 002 90 95 87 2 1 0 006 50 10 14 3.1 1.9 28.77 21 33 3 76 007 91 97 89 2 1 0 004 51 10 15 2.9 1.8 28.75 20 29 3 76 002 92 97 98 1 1 0 000 52 10 16 3.0 1.9 28.73 21 30 7 80 000 92 99 91 1 0 0 000 53 10 17 2.9 1.8 28.70 21 30 8 80 001 91 98 95 1 0 0 000 54 10 18 2.9 1.6 28.68 21 30 9 81 000 90 96 86 1 0 0 000 55 10 19 2.9 1.5 28.66 22 31 8 80 000 90 94104 1 0 0 000 56 10 20 2.9 1.4 28.64 19 28 5 78 001 89 92104 1 0 0 000 57 10 21 2.8 1.5 28.61 18 26 4 77 001 91 99100 1 0 0 000 58 10 22 2.6 1.3 28.59 19 27 7 80 002 90 98104 1 0 0 000 59 10 23 2.4 1.3 28.57 18 23 2 75 002 92 98 97 1 0 -1 003 60 11 00 2.0 1.1 28.55 14 18 353 66 001 93 98 93 0 0 -1 006 61 11 01 2.0 0.8 28.54 14 17 340 52 000 91101 96 0 0 -2 000 62 11 02 1.9 1.0 28.53 11 14 344 57 001 94100103 0 0 -1 004 63 11 03 1.8 1.2 28.53 9 12 330 43 003 95 99104 0 0 -1 020 64 11 04 2.1 0.9 28.52 10 14 297 10 -001 91 95100 0 0 -1 007 65 11 05 2.0 0.7 28.52 12 16 283 356 002 91 93105 0 0 -1 003 66 11 06 1.9 0.9 28.52 14 18 269 341 000 92 93105 0 0 -1 000 67 11 07 1.9 0.5 28.53 20 27 253 326 -001 90100105 0 -1 -2 001 68 11 08 1.3 -1.1 28.55 22 29 252 325 -002 83 90105 0 -1 -2 000 69 11 09 1.7 -1.5 28.56 18 25 266 338 000 77 85 96 0 -1 -2 000 70 11 10 1.8 -0.5 28.55 16 21 285 357 -001 83 93102 0 -1 -2 000 71 11 11 1.4 0.4 28.55 20 29 271 344 001 93 96105 0 -1 -2 012 72 11 12 1.7 -0.4 28.56 22 28 266 339 -001 84 94 93 0 -1 -2 002 73 11 13 1.2 0.3 28.56 22 31 272 344 -002 93 95105 0 -1 -2 008 74 11 14 1.2 -0.1 28.57 26 36 267 339 000 90 94105 0 -1 -2 028 75 11 15 1.1 -0.0 28.58 28 40 264 337 -002 92 95105 0 -1 -2 039 76 11 16 1.1 -0.1 28.60 29 41 266 339 -002 91 95105 0 -1 -2 030 77 11 17 1.1 -0.3 28.61 32 46 266 339 -002 90 95106 0 -1 -2 029 78 11 18 1.2 -0.5 28.62 34 48 265 337 -001 88 95102 0 -1 -2 013 79 11 19 1.5 -0.7 28.63 36 51 262 335 000 84 93105 0 -1 -2 029 80 11 20 1.4 -0.4 28.67 36 50 260 333 -001 87 95105 0 -1 -2 018 81 11 21 1.3 -0.1 28.71 34 48 258 331 -003 90 96105 0 -1 -2 021 82 11 22 1.4 -0.0 28.76 32 45 254 327 -002 90 97106 0 -1 -2 030 83 11 23 1.3 -0.2 28.82 30 41 255 328 -002 89 96103 0 -1 -2 015 84 12 00 1.2 -0.5 28.86 29 40 258 330 -001 87 95104 0 -1 -2 021 85 12 01 1.2 -0.4 28.91 28 39 264 337 000 88 95103 0 -1 -2 007 86 12 02 1.5 -0.9 28.93 26 37 267 340 001 83 91102 0 -1 -2 010 87 12 03 1.6 -0.7 28.95 25 34 275 347 000 84 94101 0 -1 -2 002 88 12 04 1.7 -0.5 28.97 24 33 281 354 -001 84 91 98 0 -1 -2 000 89 12 05 1.8 0.6 28.97 20 29 295 7 -001 91 99104 0 0 -1 004 90 12 06 2.2 1.2 28.96 21 30 307 20 000 93100104 0 0 -1 018 91 12 07 2.4 1.2 28.95 25 35 306 19 -003 91100103 0 0 -1 020 92 12 08 2.1 1.2 28.94 24 34 309 22 -003 93100103 0 0 -1 025 93 12 09 2.1 1.3 28.91 22 32 320 32 -003 94100103 0 0 0 033 94 12 10 2.6 1.8 28.90 23 34 322 34 -005 94100102 1 0 0 045 95 12 11 2.5 1.7 28.87 23 34 317 29 -002 94100102 1 0 0 038 96 12 12 2.3 1.7 28.84 21 32 320 33 -002 96100102 1 0 0 048 97 12 13 2.5 2.0 28.82 19 30 321 34 -002 96100101 1 0 0 074 98 12 14 2.9 2.6 28.79 16 28 333 45 -001 99100101 2 1 1 014 99 12 15 3.2 3.0 28.77 16 27 323 36 000 100100101 2 2 1 002 100 12 16 3.2 3.0 28.77 15 25 304 17 001 100100101 2 2 1 000 101 12 17 3.0 2.9 28.77 14 22 300 13 -001 100 99101 2 2 1 000 102 12 18 2.9 2.8 28.80 16 25 293 6 000 100100101 2 1 0 000 103 12 19 2.7 2.4 28.82 18 25 283 356 000 99100 84 1 0 0 000 104 12 20 2.8 1.8 28.84 17 25 286 359 000 93 99 80 1 0 0 000 105 12 21 2.6 1.9 28.86 19 27 287 0 000 95100 88 1 0 0 000 106 12 22 2.2 2.1 28.88 20 27 285 357 001 100100102 1 0 0 001 107 12 23 2.3 2.2 28.91 19 27 284 357 000 100100100 1 0 0 000 108 13 00 2.4 2.2 28.93 19 26 283 355 000 100100103 1 0 0 000 109 13 01 2.3 1.9 28.96 18 24 287 0 -002 97100101 1 0 0 000 110 13 02 2.5 2.1 28.97 17 25 296 8 002 97100102 1 0 0 000 111 13 03 2.6 1.9 28.99 18 27 301 14 000 95100103 1 0 0 003 112 13 04 2.7 1.8 29.00 20 30 302 15 003 94100 98 1 0 0 015 113 13 05 2.8 1.7 29.01 20 29 303 15 000 92 99 95 1 0 0 000 114 13 06 2.8 1.7 29.03 19 28 306 19 000 92 99 86 1 0 0 000 115 13 07 2.8 1.8 29.03 18 27 313 26 000 92 99 87 1 0 0 000 116 13 08 2.8 1.7 29.05 20 28 316 29 000 92100 93 1 0 0 000 117 13 09 2.7 1.7 29.05 19 27 318 30 000 93 99 89 1 0 0 000 118 13 10 2.9 2.2 29.04 15 27 333 46 -001 94100 92 2 1 0 003 119 13 11 3.0 2.5 29.03 20 32 336 49 000 97100 95 2 1 0 042 120 13 12 3.1 1.2 29.04 22 32 316 28 -001 86 93 87 2 0 0 000 * 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.