Heard Island site lat/lon = (-53.0000,72.6000) cell lat/lon = (-53.0015,72.5908) Forecast initialized at 2025-11-07/12 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 07 12 1.4 -5.0 29.78 15 17 281 353 000 55 61 85 0 -1 -3 000 1 07 13 1.5 -4.1 29.80 13 17 284 357 000 62 65 80 0 -1 -3 000 2 07 14 1.5 -3.7 29.81 12 15 287 0 000 65 68 76 0 -1 -3 000 3 07 15 1.5 -3.3 29.82 11 14 295 8 000 67 71 75 0 -1 -3 000 4 07 16 1.5 -2.9 29.84 10 13 305 18 000 70 73 75 0 -1 -2 000 5 07 17 1.5 -2.7 29.83 9 12 312 25 000 71 75 77 0 -1 -3 000 6 07 18 1.5 -2.3 29.84 9 12 318 30 000 74 78 81 0 -1 -2 000 7 07 19 1.5 -1.7 29.84 8 12 322 34 000 77 81 84 0 -1 -2 000 8 07 20 1.5 -1.1 29.84 8 11 325 37 000 81 85 84 0 -1 -2 000 9 07 21 1.6 -0.8 29.84 7 10 326 39 001 83 88 83 0 -1 -2 000 10 07 22 1.6 -0.6 29.84 8 10 323 35 000 84 89 83 0 -1 -2 000 11 07 23 1.6 -0.5 29.85 8 10 319 32 001 85 88 82 0 -1 -2 000 12 08 00 1.6 -0.5 29.86 7 9 320 32 001 85 85 82 0 -1 -2 000 13 08 01 1.6 -0.4 29.86 6 8 326 39 001 86 83 81 0 -1 -2 000 14 08 02 1.6 -0.3 29.86 6 8 335 48 001 86 81 80 0 -1 -2 000 15 08 03 1.6 -0.2 29.86 7 9 343 56 000 87 79 79 0 -1 -2 000 16 08 04 1.6 -0.1 29.86 8 10 347 59 000 87 78 78 0 -1 -2 000 17 08 05 1.6 0.0 29.86 9 12 346 59 000 88 82 79 0 -1 -2 000 18 08 06 1.7 0.2 29.87 10 13 343 56 -001 89 88 82 0 -1 -2 000 19 08 07 1.7 0.3 29.88 9 12 339 52 002 89 86 86 0 -1 -2 000 20 08 08 1.7 0.3 29.86 8 11 349 61 -001 90 81 86 0 -1 -2 000 21 08 09 1.7 0.3 29.85 9 13 349 62 001 90 79 87 0 -1 -2 000 22 08 10 1.7 0.3 29.83 8 11 355 68 000 90 74 86 0 0 -1 000 23 08 11 1.6 0.3 29.82 8 10 5 77 001 90 76 91 0 0 -2 000 24 08 12 1.6 0.4 29.81 9 11 14 86 000 91 87 96 0 -1 -2 000 25 08 13 1.4 0.2 29.81 10 12 13 85 001 91 99 95 0 -1 -2 000 26 08 14 1.2 0.4 29.80 11 13 17 90 001 94100 80 0 -1 -2 000 27 08 15 1.2 0.2 29.78 11 13 16 89 002 93100 69 0 -1 -2 000 28 08 16 1.3 0.1 29.77 10 13 21 93 002 91 96 92 0 -1 -1 000 29 08 17 1.5 0.5 29.75 13 17 26 99 002 93 97 90 0 0 0 000 30 08 18 0.9 0.7 29.72 16 20 23 95 001 100 92 65 0 0 -1 000 31 08 19 0.8 0.6 29.71 17 24 19 92 000 100 94 50 0 0 0 000 32 08 20 1.2 1.0 29.69 18 27 18 90 000 100100 44 0 0 0 000 33 08 21 0.9 0.7 29.67 20 29 22 94 002 100 87 68 0 0 0 000 34 08 22 0.7 0.5 29.65 22 29 24 97 000 100 78100 0 1 2 000 35 08 23 1.0 0.8 29.62 21 29 27 100 001 99 78 99 0 2 3 000 36 09 00 1.4 0.8 29.60 21 31 27 99 000 96 78 79 0 2 3 000 37 09 01 1.6 0.8 29.58 21 32 26 99 -001 94 86 71 0 1 3 000 38 09 02 1.4 0.9 29.56 23 33 25 98 001 97 87 71 0 2 3 000 39 09 03 1.0 0.9 29.54 22 35 23 96 001 100 86 70 0 2 4 000 40 09 04 1.1 1.0 29.53 22 32 21 93 002 100 92 70 0 1 3 000 41 09 05 1.2 1.1 29.51 21 30 18 91 000 100 96 72 0 0 3 000 42 09 06 1.4 1.2 29.48 21 31 24 96 001 100 96 75 0 0 3 000 43 09 07 1.4 1.3 29.46 21 30 26 99 002 100100 83 0 0 3 000 44 09 08 1.6 1.5 29.43 21 30 35 107 003 100100 79 0 2 3 000 45 09 09 2.0 1.8 29.40 21 32 40 113 001 100100 63 1 2 4 000 46 09 10 2.3 2.1 29.37 22 34 36 108 003 100100 72 1 2 4 000 47 09 11 2.7 2.5 29.34 20 34 30 103 000 100100100 2 2 4 000 48 09 12 2.8 2.6 29.32 20 33 24 97 000 100100100 2 3 4 008 49 09 13 2.7 2.6 29.30 18 30 17 89 -001 100100100 2 3 4 001 50 09 14 2.7 2.6 29.28 16 26 14 87 -001 100100 99 2 3 5 000 51 09 15 2.7 2.5 29.26 15 23 15 88 -002 100100 97 2 3 6 000 52 09 16 2.6 2.5 29.23 14 22 19 92 000 100 96 99 2 5 6 000 53 09 17 2.6 2.4 29.20 16 24 17 90 002 100 89 90 2 5 6 000 54 09 18 2.5 2.4 29.17 17 26 15 88 001 100 79 74 2 5 5 000 55 09 19 2.4 2.3 29.15 18 28 14 87 000 100 54 32 2 5 5 000 56 09 20 2.2 2.1 29.11 20 29 19 92 -002 100 47 23 2 5 5 000 57 09 21 2.3 1.7 29.07 21 34 24 97 -001 95 69 59 2 5 5 000 58 09 22 2.5 1.5 29.02 23 38 29 102 -003 93 97 96 2 5 5 041 59 09 23 2.7 2.2 28.97 26 43 30 103 -001 96100100 2 4 5 077 60 10 00 3.1 3.0 28.93 26 44 24 97 -004 99100 99 2 3 4 168 61 10 01 3.3 3.2 28.89 27 44 21 94 -001 100100100 3 3 4 117 62 10 02 3.5 3.3 28.86 27 45 17 90 000 100100100 3 3 3 084 63 10 03 3.7 3.6 28.84 25 39 6 78 -009 100100100 3 3 2 072 64 10 04 2.8 2.6 28.83 18 24 327 39 -005 100100 99 1 0 0 184 65 10 05 1.2 0.8 28.84 15 20 273 346 000 97 98 96 0 0 0 064 66 10 06 1.6 0.7 28.86 16 21 276 348 -001 93101 90 0 -1 -2 005 67 10 07 1.7 0.4 28.87 14 19 285 357 001 91 99 83 0 -1 -1 000 68 10 08 1.8 0.5 28.89 14 18 305 17 000 90101 79 0 -1 -1 000 69 10 09 1.8 0.4 28.89 14 17 314 27 003 90101 70 0 -1 0 000 70 10 10 1.7 0.4 28.89 14 19 329 42 -002 91101 80 0 -1 0 000 71 10 11 2.0 0.6 28.87 13 21 357 70 -001 89 97 83 0 0 0 000 72 10 12 2.0 0.9 28.85 15 24 9 82 001 91 87 88 0 0 0 000 73 10 13 2.1 0.7 28.84 18 29 8 81 003 90 83100 0 0 0 000 74 10 14 2.0 0.7 28.83 23 33 6 78 000 90 97 94 0 0 -1 001 75 10 15 1.6 0.9 28.80 21 30 16 88 -001 95 96103 0 0 0 022 76 10 16 2.3 0.4 28.78 21 32 23 95 -001 86 87100 1 0 0 004 77 10 17 2.2 1.1 28.76 23 30 19 92 -001 92 98 75 1 0 0 000 78 10 18 2.0 1.2 28.74 23 31 20 93 -001 94100 93 0 0 -1 000 79 10 19 2.1 1.3 28.71 24 34 16 89 -002 94100104 0 0 0 038 80 10 20 2.6 0.7 28.69 21 29 3 75 000 86 87 92 1 0 -1 004 81 10 21 2.3 1.0 28.67 20 28 5 78 001 90 97 88 1 0 -1 000 82 10 22 2.3 1.2 28.66 18 25 6 79 001 92 93 87 1 0 0 000 83 10 23 2.2 1.3 28.64 16 23 9 82 000 93100101 0 0 0 000 84 11 00 2.2 1.2 28.62 16 22 20 93 000 93100 95 0 0 -1 000 85 11 01 2.0 0.8 28.61 18 23 21 94 000 91100 82 0 0 -1 000 86 11 02 1.7 0.6 28.59 18 22 18 91 -001 92101 87 0 0 -2 000 87 11 03 1.7 0.7 28.58 15 20 25 98 001 92101 89 0 0 -2 000 88 11 04 1.9 0.8 28.56 14 18 23 95 001 92100 89 0 0 -1 000 89 11 05 1.8 0.7 28.55 12 16 11 84 -002 92100 89 0 0 -2 004 90 11 06 1.6 0.7 28.55 8 11 5 77 -008 94 98 93 0 0 -2 012 91 11 07 1.2 0.9 28.55 4 7 1 74 -011 98 98101 0 0 -2 038 92 11 08 0.9 0.8 28.55 2 3 313 26 -010 100 99102 0 0 -1 062 93 11 09 0.8 0.7 28.55 5 6 248 320 -009 100100102 0 -1 -2 066 94 11 10 0.9 0.7 28.56 10 13 238 311 -005 99 99 96 0 -1 -2 049 95 11 11 0.9 0.6 28.57 14 16 235 308 000 98 97 91 0 -1 -2 019 96 11 12 1.2 0.7 28.59 14 18 227 299 -001 96 95 95 0 0 -2 008 97 11 13 1.2 0.7 28.62 14 18 216 289 001 96100105 0 -1 -1 015 98 11 14 1.3 0.6 28.65 14 16 212 285 000 95101 97 0 -1 -2 008 99 11 15 1.1 0.2 28.69 15 19 212 285 000 93101 86 0 -1 -2 000 100 11 16 1.6 -0.6 28.73 18 24 220 293 000 84 95 86 0 -1 -2 000 101 11 17 1.5 -1.0 28.77 20 25 221 293 001 82 96 86 0 -1 -3 000 102 11 18 1.4 -0.7 28.80 18 23 221 293 001 85 99 91 0 -1 -2 000 103 11 19 1.6 0.2 28.83 18 24 234 306 001 89 98103 0 -1 -2 000 104 11 20 1.7 -0.2 28.86 20 26 242 314 001 86 90106 0 -1 -2 000 105 11 21 1.9 0.2 28.88 19 25 253 326 002 88 99105 0 0 -2 001 106 11 22 1.7 -0.4 28.90 23 31 247 320 000 85 94105 0 -1 -2 010 107 11 23 1.7 -1.9 28.94 22 28 250 322 000 74 78104 0 -1 -2 001 108 12 00 1.4 0.0 28.95 17 24 269 341 -001 90 97106 0 -1 -2 002 109 12 01 1.3 -0.6 28.97 22 30 262 335 002 86 95 98 0 -1 -2 003 110 12 02 0.9 -0.2 28.99 23 32 264 337 -001 91 95106 0 -1 -2 012 111 12 03 0.8 -0.7 29.01 24 32 263 336 000 89 94101 0 -2 -3 013 112 12 04 1.0 -1.4 29.02 24 32 266 339 000 83 91 98 0 -2 -3 006 113 12 05 0.9 -1.4 29.03 22 29 272 345 000 83 91101 0 -2 -3 003 114 12 06 0.9 -1.9 29.04 22 28 278 350 000 79 88101 0 -2 -3 000 115 12 07 1.0 -1.8 29.04 19 26 286 359 000 80 90 98 0 -2 -3 003 116 12 08 1.3 -1.2 29.04 18 26 300 13 000 82 91106 0 -1 -2 000 117 12 09 1.3 0.1 29.03 19 26 306 18 -001 91100100 0 -1 -2 001 118 12 10 1.6 0.6 29.01 17 24 314 27 -001 93101104 0 0 -1 008 119 12 11 2.0 0.9 28.99 19 27 318 31 000 92 99104 0 0 -1 016 120 12 12 2.1 0.7 28.97 19 25 309 22 -001 89 97 99 0 0 -1 000 * 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.