Heard Island site lat/lon = (-53.0000,72.6000) cell lat/lon = (-53.0015,72.5908) Forecast initialized at 2025-11-10/00 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 10 00 3.1 2.7 28.90 26 29 6 79 000 97 99 99 2 2 2 000 1 10 01 3.2 3.0 28.88 23 36 355 68 -005 99100 99 2 1 1 067 2 10 02 3.0 2.7 28.88 21 30 342 55 -001 99100 99 2 1 0 085 3 10 03 2.2 1.5 28.90 19 24 316 28 000 96100 97 0 0 0 037 4 10 04 2.1 1.0 28.90 14 21 314 27 001 92 95 76 0 0 -1 001 5 10 05 2.2 1.0 28.90 15 22 322 35 000 91 99 68 0 0 -1 000 6 10 06 2.3 0.6 28.91 15 21 325 37 000 87 95 49 0 0 -1 000 7 10 07 2.2 0.5 28.90 15 20 323 36 001 87 90 56 0 0 -1 000 8 10 08 2.2 0.7 28.88 14 21 340 52 000 89 84 66 0 0 0 000 9 10 09 2.3 0.8 28.88 15 24 355 67 000 89 86 81 1 0 0 000 10 10 10 2.4 0.9 28.86 17 26 4 77 000 88 85 99 1 0 0 000 11 10 11 2.6 1.2 28.82 18 28 6 78 000 90 94 95 1 0 0 000 12 10 12 2.7 1.4 28.82 19 29 4 76 000 90 95 86 1 0 0 000 13 10 13 2.7 1.4 28.79 20 30 7 79 000 91 95 95 1 0 0 000 14 10 14 2.7 1.4 28.78 21 32 7 80 000 90 97 95 1 0 0 000 15 10 15 2.3 1.5 28.75 22 32 2 74 -005 94100103 1 0 0 016 16 10 16 1.8 1.2 28.73 22 31 357 70 -002 96100 98 0 0 0 129 17 10 17 2.2 1.5 28.69 21 30 3 76 -016 95100103 0 0 0 025 18 10 18 2.0 1.1 28.67 22 30 352 64 000 94 99104 0 0 -1 162 19 10 19 2.5 1.4 28.65 17 26 0 72 -002 92100104 1 0 0 003 20 10 20 2.5 1.0 28.62 23 32 359 72 001 89 97105 1 0 -1 035 21 10 21 2.3 1.0 28.60 18 23 344 56 003 90100105 0 0 -1 000 22 10 22 2.0 1.1 28.58 13 18 344 56 000 94100104 0 0 -1 004 23 10 23 2.1 0.7 28.57 13 18 331 44 002 90101 99 0 0 -1 003 24 11 00 1.8 -0.0 28.57 14 18 316 29 001 87 93 93 0 -1 -2 000 25 11 01 1.7 -0.0 28.57 13 18 315 28 002 88 95101 0 -1 -2 000 26 11 02 1.5 0.2 28.56 14 20 325 38 000 90 96105 0 -1 -2 000 27 11 03 1.2 0.7 28.55 13 17 311 24 000 97 99105 0 -1 -2 031 28 11 04 1.8 0.4 28.56 16 21 248 320 -004 89 88103 0 0 -2 005 29 11 05 1.7 -0.1 28.60 18 22 244 316 000 87 91100 0 -1 -1 000 30 11 06 1.3 0.8 28.62 18 26 250 322 -003 97 99104 0 -1 -2 019 31 11 07 1.2 -0.5 28.67 32 44 241 314 004 87 98105 0 -1 -2 077 32 11 08 1.0 -1.0 28.71 30 41 240 312 -003 85 94106 0 -2 -3 024 33 11 09 1.1 -1.4 28.76 27 37 245 318 -002 81 90 89 0 -2 -2 000 34 11 10 1.7 -1.7 28.79 23 32 257 330 000 76 85 90 0 -1 -2 000 35 11 11 1.7 -0.8 28.81 25 34 265 338 000 82 92104 0 -1 -2 000 36 11 12 0.9 -0.8 28.84 28 39 251 324 -003 87 93 98 0 -2 -3 024 37 11 13 1.2 -1.1 28.88 29 41 259 332 000 83 91 99 0 -1 -3 018 38 11 14 1.1 -1.0 28.91 29 41 262 334 000 84 91104 0 -1 -3 003 39 11 15 1.3 -1.1 28.94 30 43 262 334 000 82 90 99 0 -1 -3 010 40 11 16 1.2 -1.0 28.97 31 43 265 337 000 83 92 96 0 -1 -2 004 41 11 17 1.1 -0.8 28.99 31 43 267 340 001 86 94100 0 -1 -3 009 42 11 18 1.2 -1.8 29.01 32 43 267 340 000 79 87 94 0 -1 -3 004 43 11 19 1.2 -2.6 29.04 29 40 268 341 000 73 79 90 0 -1 -3 004 44 11 20 1.5 -2.3 29.05 28 37 270 343 000 73 82 92 0 -1 -3 001 45 11 21 0.9 -1.5 29.06 28 38 275 348 000 82 90 96 0 -2 -3 003 46 11 22 1.0 -1.7 29.07 26 36 275 348 000 81 88 91 0 -2 -3 005 47 11 23 1.2 -0.4 29.08 23 31 281 354 000 89 97 96 0 -1 -2 004 48 12 00 1.5 -1.3 29.08 23 32 283 356 000 79 86 96 0 -1 -2 006 49 12 01 1.0 -0.1 29.09 22 30 290 2 -001 92 94102 0 -1 -2 006 50 12 02 1.3 0.8 29.08 20 29 302 14 -001 96100105 0 -1 -1 054 51 12 03 1.7 0.8 29.07 23 32 295 8 000 93100103 0 0 -1 020 52 12 04 2.0 0.9 29.06 23 33 303 15 -001 92 99104 0 0 -1 016 53 12 05 2.0 0.9 29.05 25 34 302 14 -002 92100104 0 0 -1 014 54 12 06 2.0 0.9 29.03 24 34 308 21 -001 92100103 0 0 -1 011 55 12 07 2.3 1.1 29.01 24 36 315 27 -001 92100103 0 0 0 017 56 12 08 2.5 1.4 29.00 24 35 310 22 -001 92100103 1 0 0 000 57 12 09 2.6 1.6 28.99 22 33 309 21 -002 93100102 1 0 0 001 58 12 10 2.6 1.9 28.98 23 34 310 22 000 95100101 1 0 0 005 59 12 11 2.7 2.4 28.96 23 35 307 20 -002 98100101 1 1 0 001 60 12 12 2.8 2.7 28.95 22 35 305 18 -003 100100 98 2 1 1 001 61 12 13 2.9 2.7 28.95 21 33 305 17 -001 100100 90 2 1 1 000 62 12 14 2.9 2.8 28.95 18 30 310 22 -002 100100 95 2 2 1 000 63 12 15 2.9 2.8 28.94 18 29 313 26 000 100100 91 2 2 1 000 64 12 16 2.9 2.8 28.93 17 26 308 20 000 100 93101 2 2 0 000 65 12 17 2.8 2.6 28.92 14 23 315 28 -001 100 98101 2 1 0 002 66 12 18 2.7 2.6 28.91 13 21 317 29 000 100100101 2 1 0 003 67 12 19 2.7 2.6 28.90 12 21 312 25 001 100100101 2 2 1 002 68 12 20 2.7 2.5 28.88 11 20 299 12 000 100100101 2 1 1 000 69 12 21 2.5 2.4 28.88 11 18 281 354 -011 100100 98 2 1 0 037 70 12 22 2.4 2.2 28.88 12 18 284 356 -001 100100102 1 0 0 069 71 12 23 2.4 2.2 28.90 13 21 279 352 000 100100104 1 0 0 006 72 13 00 2.4 1.8 28.92 15 22 266 339 000 95 87104 1 0 0 001 73 13 01 2.4 1.6 28.94 15 24 280 352 000 94 98102 1 0 0 000 74 13 02 2.5 1.7 28.96 18 26 285 357 000 94100102 1 0 0 000 75 13 03 2.3 1.8 28.98 19 26 287 0 -001 96100103 1 0 0 001 76 13 04 2.5 1.6 29.00 20 28 290 3 -002 94100103 1 0 0 003 77 13 05 2.5 1.4 29.01 20 29 289 2 000 92100100 1 0 0 003 78 13 06 2.5 1.5 29.02 20 30 291 3 000 93100100 1 0 0 001 79 13 07 2.6 1.6 29.03 20 29 292 5 001 93100 98 1 0 0 000 80 13 08 2.5 1.5 29.04 20 30 294 7 000 93100103 1 0 0 000 81 13 09 2.5 0.9 29.06 21 31 295 8 000 88 98103 1 0 -1 000 82 13 10 2.4 1.1 29.06 19 28 300 13 000 90 99100 1 0 0 000 83 13 11 2.4 1.5 29.05 18 27 306 19 000 93100103 1 0 0 001 84 13 12 2.4 1.9 29.05 18 26 309 22 000 97100100 1 0 0 000 85 13 13 2.5 1.7 29.05 16 23 306 19 000 94100 95 1 0 0 000 86 13 14 2.4 1.8 29.04 16 23 309 22 000 95100 94 1 0 0 000 87 13 15 2.5 1.8 29.03 15 22 316 29 -001 95100 90 1 0 0 000 88 13 16 2.4 1.7 29.03 15 22 320 33 000 95100 76 1 0 0 000 89 13 17 2.3 1.7 29.03 17 24 319 32 000 95100 98 1 0 0 006 90 13 18 2.3 1.0 29.02 18 25 322 35 000 90 97 98 0 0 -1 002 91 13 19 2.2 0.5 29.01 18 23 329 42 001 87 91 84 0 0 -1 000 92 13 20 1.9 0.8 28.98 16 22 329 42 -003 92 96 94 0 0 -1 003 93 13 21 1.8 1.3 28.97 15 22 330 42 -007 97100103 0 0 -1 027 94 13 22 1.9 1.4 28.96 16 23 318 31 -003 96100103 0 0 -1 039 95 13 23 1.9 1.3 28.96 17 26 316 29 002 96100 98 0 0 -1 033 96 14 00 2.2 1.4 28.95 19 29 317 30 001 93 99102 0 0 -1 016 97 14 01 2.3 1.1 28.95 22 30 309 22 002 91 99104 1 0 -1 003 98 14 02 2.5 0.6 28.95 20 28 311 24 002 86 85101 1 0 -1 000 99 14 03 2.4 0.6 28.96 22 31 310 23 002 86 94102 1 0 -1 000 100 14 04 2.1 -0.6 28.97 22 29 299 11 000 80 89106 0 0 -2 000 101 14 05 2.0 -1.1 28.97 22 29 292 4 001 77 84105 0 0 -2 001 102 14 06 2.1 -2.2 28.99 21 27 281 353 000 70 69102 0 0 -2 001 103 14 07 2.0 -1.2 29.00 19 25 289 2 000 77 84 85 0 0 -2 000 104 14 08 2.1 -0.6 29.02 19 25 296 9 000 81 89 87 0 0 -2 000 105 14 09 2.1 -0.9 29.02 18 23 287 359 000 79 84 77 0 0 -2 000 106 14 10 2.1 -0.8 29.02 16 20 288 1 000 79 83 79 0 0 -2 000 107 14 11 2.0 -0.5 29.00 13 17 285 357 001 82 88 77 0 0 -2 000 108 14 12 2.0 -0.2 29.00 10 15 292 4 -001 84 90 75 0 0 -2 000 109 14 13 2.0 0.1 29.01 9 14 308 21 -001 86 92 77 0 0 -2 000 110 14 14 2.0 0.4 29.00 8 11 323 35 000 88 93 85 0 0 -2 000 111 14 15 2.0 0.6 28.99 8 11 332 45 001 89 94 89 0 0 -2 000 112 14 16 1.9 0.7 28.99 7 11 337 50 001 91 90 93 0 0 -2 003 113 14 17 1.9 0.8 28.98 7 10 342 54 001 92 79 89 0 0 -1 001 114 14 18 2.0 0.9 28.97 8 11 348 60 000 92 86 92 0 0 -1 000 115 14 19 1.9 1.1 28.97 9 12 346 59 000 94 91 91 0 0 -1 000 116 14 20 1.8 0.9 28.96 9 13 348 60 000 93 81 93 0 0 -2 001 117 14 21 1.5 0.4 28.95 9 12 352 64 000 92 89105 0 -1 -2 005 118 14 22 1.0 0.7 28.94 9 11 345 57 000 98101105 0 -1 -2 065 119 14 23 1.4 0.6 28.94 9 12 316 29 -001 95 95 87 0 -1 -2 057 120 15 00 1.8 -0.1 28.94 10 13 304 16 -001 86 91 71 0 -1 -2 000 * 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.