Heard Island site lat/lon = (-53.0000,72.6000) cell lat/lon = (-53.0015,72.5908) Forecast initialized at 2025-11-09/12 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 09 12 3.2 2.7 29.25 23 27 29 101 000 97 99100 2 3 4 000 1 09 13 3.1 2.9 29.23 20 32 23 95 -001 100100100 2 3 3 000 2 09 14 3.1 3.0 29.22 19 33 20 92 -002 100100100 3 3 3 007 3 09 15 3.3 3.2 29.19 19 31 19 91 -002 100100100 3 3 4 005 4 09 16 3.3 3.2 29.17 20 31 20 92 -003 100100100 3 4 4 000 5 09 17 3.3 3.1 29.14 20 32 20 93 -001 100100100 3 4 5 000 6 09 18 3.2 3.1 29.13 20 33 21 93 000 100100 94 3 4 5 000 7 09 19 3.2 3.0 29.09 21 34 20 93 -005 100 91 77 2 5 4 001 8 09 20 3.0 2.9 29.04 23 37 21 94 -001 100 89 91 2 4 4 056 9 09 21 3.1 3.0 28.99 25 40 25 98 -005 99 88100 2 4 3 063 10 09 22 3.3 2.9 28.95 26 43 21 94 000 97 99100 2 3 3 146 11 09 23 3.3 3.0 28.92 26 39 13 85 -002 98100100 2 2 2 076 12 10 00 3.1 2.9 28.91 24 37 6 79 000 99100100 2 2 2 076 13 10 01 3.2 3.0 28.89 21 31 359 71 -010 100100100 2 2 1 085 14 10 02 3.1 2.9 28.88 17 24 344 56 -003 100100 97 2 1 0 127 15 10 03 2.8 2.5 28.87 17 26 330 43 -007 99100 96 1 0 0 049 16 10 04 2.2 1.5 28.87 19 24 320 33 000 95100 89 0 0 -1 075 17 10 05 2.2 0.6 28.88 16 22 305 18 -001 88 83104 0 0 -1 007 18 10 06 2.2 0.5 28.89 15 23 310 23 000 87 94 74 0 0 -1 000 19 10 07 2.3 0.7 28.90 16 25 326 39 000 88 96 88 0 0 -1 000 20 10 08 2.3 0.8 28.90 15 22 345 58 000 89 77 67 1 0 0 000 21 10 09 2.4 0.9 28.89 17 27 1 74 000 89 88 72 1 0 0 000 22 10 10 2.2 1.2 28.86 21 31 359 71 -012 93100 98 0 0 0 015 23 10 11 2.4 1.3 28.84 21 31 1 73 003 92 99102 1 0 0 078 24 10 12 2.7 0.9 28.81 20 30 8 80 000 86 93 85 1 0 0 000 25 10 13 2.7 1.3 28.79 21 32 6 79 000 89 98 98 1 0 0 000 26 10 14 2.7 1.2 28.77 23 32 8 81 -002 89 97101 1 0 0 000 27 10 15 2.7 1.3 28.75 23 32 10 83 -002 90 98 93 1 0 0 000 28 10 16 2.7 1.5 28.73 22 31 10 82 001 91 98 97 1 0 0 000 29 10 17 2.6 1.6 28.70 21 30 11 83 -001 93100 95 1 0 0 003 30 10 18 2.6 1.5 28.67 21 30 8 81 004 92 99 96 1 0 0 001 31 10 19 2.6 1.2 28.64 21 29 6 79 002 90 97104 1 0 0 000 32 10 20 2.4 1.2 28.61 22 31 11 84 002 91 99104 1 0 -1 004 33 10 21 2.4 1.2 28.59 21 29 9 82 002 92100104 1 0 -1 017 34 10 22 2.4 1.0 28.58 19 25 1 73 001 89 96105 1 0 -1 003 35 10 23 2.2 0.9 28.56 15 20 355 67 001 90 92105 0 0 -1 000 36 11 00 2.0 0.9 28.54 13 17 339 52 -001 92 98105 0 0 -1 007 37 11 01 1.6 1.0 28.53 11 14 313 26 -001 96 95105 0 0 -1 035 38 11 02 1.7 0.7 28.53 11 15 291 3 000 93 90 98 0 0 -1 012 39 11 03 1.7 0.5 28.54 12 16 289 1 000 91 94105 0 0 -2 011 40 11 04 1.5 0.5 28.55 13 17 261 333 000 93 94105 0 -1 -2 025 41 11 05 1.8 0.4 28.58 18 24 245 318 000 90 97105 0 -1 -2 001 42 11 06 0.9 -1.0 28.61 29 38 239 312 000 86101105 -1 -2 -3 000 43 11 07 0.9 -1.7 28.64 26 35 251 324 000 80 89 99 0 -2 -3 000 44 11 08 1.3 -2.5 28.66 24 33 259 332 -002 73 79 85 0 -1 -3 000 45 11 09 1.6 -1.7 28.67 23 31 273 346 -002 76 86 92 0 -1 -2 000 46 11 10 1.0 0.3 28.66 24 35 280 353 -004 95 97105 0 -1 -2 025 47 11 11 1.0 -0.0 28.67 26 35 266 339 -001 92 96106 0 -1 -2 025 48 11 12 1.3 -0.9 28.69 29 40 260 333 000 84 92 96 0 -1 -2 037 49 11 13 0.9 -0.5 28.71 30 43 262 335 -002 90 95106 0 -1 -3 037 50 11 14 0.8 -0.4 28.73 31 43 262 335 -002 91 97106 0 -2 -3 015 51 11 15 0.9 -0.8 28.76 32 45 260 332 -003 88 95103 0 -2 -3 041 52 11 16 0.9 -0.8 28.78 32 46 261 333 -004 88 94104 0 -2 -3 031 53 11 17 1.1 -0.9 28.80 33 46 263 335 -002 86 94102 0 -1 -3 022 54 11 18 1.2 -1.0 28.83 33 47 264 337 -002 84 93101 0 -1 -3 007 55 11 19 1.0 -0.6 28.85 33 47 266 339 -003 88 96 99 0 -1 -3 009 56 11 20 1.0 -0.6 28.88 33 47 268 340 -004 88 96101 0 -1 -3 025 57 11 21 1.1 -0.9 28.91 33 47 269 342 -004 86 94101 0 -1 -3 019 58 11 22 1.0 -1.2 28.93 32 44 271 344 -004 84 91100 0 -1 -3 009 59 11 23 1.1 -1.8 28.96 32 43 271 344 -003 79 87 99 0 -2 -3 006 60 12 00 1.1 -1.7 28.98 28 38 272 344 -002 80 87 95 0 -2 -3 003 61 12 01 1.7 -2.1 28.98 26 34 274 346 -003 73 81 98 0 -1 -2 003 62 12 02 1.5 -1.1 28.99 25 34 281 353 000 81 89101 0 -1 -2 001 63 12 03 1.2 0.3 28.98 21 30 292 4 -001 94100105 0 -1 -2 012 64 12 04 1.9 0.8 28.97 23 33 302 15 -001 92 99103 0 0 -1 028 65 12 05 1.8 1.1 28.95 25 35 302 14 -002 95100104 0 0 -1 042 66 12 06 1.6 0.9 28.94 26 37 302 15 -003 95101101 0 0 -1 065 67 12 07 1.7 0.9 28.92 26 37 313 25 -002 94100103 0 0 -1 053 68 12 08 2.2 1.1 28.89 27 39 315 28 -001 92100103 0 0 0 033 69 12 09 2.6 1.5 28.86 27 39 318 31 -001 92100102 1 0 0 007 70 12 10 2.7 1.8 28.83 26 38 310 23 -003 94100102 1 0 0 007 71 12 11 2.8 2.1 28.82 24 38 311 23 -004 95100101 1 1 0 022 72 12 12 2.9 2.8 28.81 24 37 309 22 -001 100100101 2 1 0 008 73 12 13 3.1 2.9 28.80 22 36 306 19 000 100100101 2 1 1 017 74 12 14 3.1 3.0 28.78 21 34 306 19 -001 100100101 2 2 1 000 75 12 15 3.1 3.0 28.78 20 33 304 17 -002 100100101 2 2 1 000 76 12 16 3.0 2.9 28.78 16 27 301 14 000 100100 92 2 1 0 000 77 12 17 2.8 2.7 28.77 14 22 311 23 001 100100 96 2 1 1 000 78 12 18 2.8 2.6 28.76 13 21 317 30 001 100100 98 2 1 1 001 79 12 19 2.7 2.6 28.75 12 18 321 34 000 100 99 99 2 1 1 002 80 12 20 2.6 2.5 28.73 9 16 315 28 -002 100 98100 2 1 1 001 81 12 21 2.6 2.4 28.72 8 15 308 21 -002 100100100 2 1 1 001 82 12 22 2.6 2.4 28.74 10 17 294 7 000 100100101 2 1 0 000 83 12 23 2.5 2.4 28.75 12 19 278 351 000 100100 99 2 1 0 000 84 13 00 2.5 2.3 28.79 14 22 272 345 -001 100100102 1 0 0 000 85 13 01 2.3 2.1 28.82 17 25 273 346 -001 98100 96 1 0 0 000 86 13 02 2.5 1.3 28.84 18 27 283 356 000 91 92 89 1 0 0 000 87 13 03 2.4 1.5 28.86 20 29 295 8 -001 94100101 1 0 0 000 88 13 04 2.5 1.6 28.87 21 29 295 7 000 94100100 1 0 0 004 89 13 05 2.5 1.5 28.90 21 30 291 4 000 93100104 1 0 0 000 90 13 06 2.5 1.8 28.91 20 29 298 10 000 95100103 1 0 0 001 91 13 07 2.6 1.7 28.93 20 31 299 11 000 93100103 1 0 0 005 92 13 08 2.7 1.5 28.94 21 31 301 14 000 91 99103 1 0 0 000 93 13 09 2.6 1.6 28.95 20 29 308 20 000 93100101 1 0 0 000 94 13 10 2.6 1.6 28.96 20 30 310 22 000 92 99 98 1 0 0 001 95 13 11 2.6 1.8 28.96 19 28 313 26 -001 94100102 1 0 0 002 96 13 12 2.7 1.8 28.96 18 28 320 32 000 94100102 1 0 0 003 97 13 13 2.7 1.7 28.96 18 26 319 31 000 93100 98 1 0 0 000 98 13 14 2.6 2.0 28.95 16 25 328 41 000 96100102 1 0 0 001 99 13 15 2.6 2.0 28.95 18 26 328 41 000 95100102 1 0 0 007 100 13 16 2.6 1.9 28.95 18 25 323 36 -002 95100102 1 0 0 005 101 13 17 2.4 1.8 28.95 18 26 331 43 006 96100103 1 0 0 014 102 13 18 2.2 1.5 28.94 18 25 329 41 -007 95100100 0 0 0 020 103 13 19 1.9 1.6 28.92 16 25 334 46 -015 99100102 0 0 0 119 104 13 20 2.3 1.9 28.90 18 26 332 44 001 97100101 1 0 0 085 105 13 21 2.0 1.5 28.90 19 25 305 17 001 96100103 0 0 0 021 106 13 22 1.7 1.2 28.91 17 24 289 2 002 97100104 0 0 -1 010 107 13 23 2.2 1.1 28.92 16 26 306 19 000 92 98 95 0 0 -1 000 108 14 00 2.5 1.3 28.93 17 24 319 32 000 91 98 99 1 0 0 000 109 14 01 2.5 1.1 28.93 19 28 318 30 000 90 94103 1 0 0 005 110 14 02 2.5 0.7 28.93 18 26 315 28 000 87 92 98 1 0 0 000 111 14 03 2.4 0.9 28.94 16 23 317 30 000 89 92105 1 0 -1 000 112 14 04 2.4 0.9 28.94 16 24 319 32 000 89 90104 1 0 0 001 113 14 05 2.5 0.9 28.94 15 23 323 36 000 89 80 90 1 0 0 000 114 14 06 2.4 0.9 28.95 16 24 323 36 001 88 95 98 1 0 0 000 115 14 07 2.4 1.1 28.96 16 24 325 38 000 90 94102 1 0 0 000 116 14 08 2.4 1.1 28.96 16 23 329 41 000 91100103 1 0 0 002 117 14 09 2.5 1.3 28.96 16 23 328 41 000 91 99 97 1 0 -1 005 118 14 10 2.5 1.4 28.96 14 20 328 41 000 92 98 84 1 0 0 000 119 14 11 2.4 1.6 28.96 12 18 329 41 000 94100 78 1 0 -1 000 120 14 12 2.4 1.4 28.96 12 16 333 46 000 93100 83 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.