Heard Island site lat/lon = (-53.0000,72.6000) cell lat/lon = (-53.0015,72.5908) Forecast initialized at 2026-01-10/00 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 3.4 1.3 29.72 21 24 278 351 000 84 91 79 2 0 0 000 1 10 01 3.4 1.3 29.73 19 27 286 358 001 85 91 82 2 0 0 000 2 10 02 3.4 1.5 29.74 19 28 293 5 000 86 92 82 2 0 0 000 3 10 03 3.5 1.6 29.77 20 29 301 13 000 87 92 77 2 0 0 000 4 10 04 3.5 1.8 29.77 20 29 307 19 001 87 93 86 2 0 0 000 5 10 05 3.5 1.9 29.74 20 29 314 27 -001 88 96 72 2 0 0 000 6 10 06 3.6 1.9 29.75 21 31 321 33 -001 88 96 62 2 1 0 000 7 10 07 3.7 1.9 29.73 23 34 325 38 000 88 96 67 2 1 0 000 8 10 08 3.7 2.1 29.70 24 37 330 42 000 88 97 60 2 1 0 000 9 10 09 3.8 2.2 29.66 26 40 333 46 000 89 97 63 2 1 1 000 10 10 10 4.0 2.4 29.63 26 42 336 49 000 89 95 70 3 2 2 000 11 10 11 4.2 2.6 29.59 27 45 341 53 -001 88 91 72 3 3 3 000 12 10 12 4.6 3.0 29.55 30 49 344 56 -001 89 95 54 3 3 3 000 13 10 13 4.7 3.5 29.51 31 50 345 57 -003 91 99 90 4 3 3 000 14 10 14 4.9 4.0 29.46 32 52 348 61 002 94100 86 4 4 4 002 15 10 15 5.1 4.8 29.41 33 53 345 57 -018 98100100 4 4 4 089 16 10 16 5.5 5.3 29.38 34 56 343 55 -004 99100100 5 5 5 109 17 10 17 5.9 5.8 29.36 33 53 334 47 002 100100100 5 5 5 095 18 10 18 5.9 5.8 29.34 28 47 324 37 -005 99100 97 6 5 5 028 19 10 19 5.2 5.1 29.36 25 38 297 10 -004 99100 86 4 3 2 004 20 10 20 3.6 2.1 29.38 23 32 287 0 -001 89 96 40 2 0 0 000 21 10 21 3.7 1.7 29.39 20 32 300 13 -003 86 90 66 2 1 0 000 22 10 22 3.8 2.1 29.40 23 35 308 20 000 88 96102 2 1 0 000 23 10 23 3.9 2.0 29.40 24 36 311 23 -001 87 92103 2 1 0 000 24 11 00 3.9 2.3 29.41 24 36 313 25 -003 88 94101 2 1 0 000 25 11 01 3.9 2.4 29.40 24 37 313 26 -001 89 96 99 2 1 0 000 26 11 02 3.9 2.5 29.38 25 38 316 29 002 90 99 97 2 1 0 002 27 11 03 4.2 1.9 29.37 30 45 303 15 -004 84 91103 3 1 0 072 28 11 04 4.1 1.9 29.39 27 41 306 18 000 84 92102 2 1 0 000 29 11 05 3.4 2.0 29.40 29 40 300 13 000 90 99 96 2 0 0 009 30 11 06 3.9 1.7 29.42 29 44 296 8 000 84 92101 2 1 0 000 31 11 07 4.0 1.5 29.43 31 45 293 5 -001 82 90 96 2 1 0 000 32 11 08 4.0 1.4 29.46 31 46 288 0 000 81 89 99 2 1 0 000 33 11 09 4.0 1.2 29.48 31 45 283 356 000 80 87 98 2 1 0 000 34 11 10 3.9 1.2 29.50 30 44 283 356 000 81 89 98 2 1 0 000 35 11 11 4.0 1.2 29.51 29 43 286 358 -001 80 87 99 2 1 0 000 36 11 12 3.9 1.3 29.53 28 42 290 2 -002 81 89 97 2 1 0 000 37 11 13 3.9 1.6 29.53 27 41 296 9 -004 83 91103 2 1 0 000 38 11 14 3.7 2.0 29.52 28 42 301 13 -005 88 98102 2 1 0 017 39 11 15 3.6 2.2 29.51 30 44 303 15 -002 90 99102 2 1 0 040 40 11 16 3.7 2.4 29.48 31 45 307 20 -004 91100101 2 1 0 017 41 11 17 3.7 2.7 29.46 32 47 301 14 -006 93100101 2 1 0 093 42 11 18 4.0 2.9 29.44 31 47 295 8 -003 92100101 2 1 1 067 43 11 19 4.2 3.2 29.44 29 45 291 3 -004 93100100 3 2 1 040 44 11 20 4.2 3.3 29.44 28 43 293 5 -001 94100100 3 2 1 029 45 11 21 4.2 3.6 29.43 28 43 294 7 000 96100100 3 2 1 003 46 11 22 4.3 3.5 29.42 27 41 293 6 -001 94 99 89 3 2 1 000 47 11 23 4.2 4.1 29.41 28 43 298 11 -002 100100 74 3 2 2 000 48 12 00 4.1 4.0 29.42 27 41 298 10 000 100100101 3 2 1 003 49 12 01 4.2 3.9 29.41 24 37 294 7 000 98100101 3 2 1 007 50 12 02 4.1 3.8 29.40 23 35 290 2 001 99100101 3 2 1 072 51 12 03 3.9 2.7 29.42 25 38 278 350 001 91 97100 2 1 0 060 52 12 04 3.9 1.0 29.42 27 41 283 356 000 79 81 76 2 1 0 000 53 12 05 3.8 1.1 29.43 28 40 282 354 -001 81 88 89 2 1 0 000 54 12 06 3.7 1.0 29.43 29 41 285 357 -001 80 89 93 2 1 0 000 55 12 07 3.5 1.2 29.43 28 42 287 0 -002 84 91 92 2 0 0 001 56 12 08 3.6 1.2 29.42 30 42 288 0 -001 82 92 96 2 0 0 000 57 12 09 3.5 1.3 29.43 28 41 287 359 -002 85 92 96 2 0 0 000 58 12 10 3.5 1.4 29.43 28 41 287 359 -001 85 96103 2 0 0 004 59 12 11 4.0 0.8 29.42 29 41 284 356 -001 78 86 99 2 1 0 012 60 12 12 3.6 1.1 29.42 29 46 286 359 -004 82 89103 2 1 0 045 61 12 13 3.6 1.1 29.43 30 43 282 355 001 82 89 87 2 1 0 000 62 12 14 3.7 0.9 29.42 31 44 284 357 000 80 88 94 2 0 0 000 63 12 15 3.2 1.2 29.41 30 44 286 358 -001 85 93100 1 0 0 004 64 12 16 3.1 1.2 29.42 33 45 278 351 000 86 96103 1 0 0 042 65 12 17 3.2 1.2 29.42 31 44 279 352 -005 85 96103 1 0 0 024 66 12 18 3.6 0.7 29.43 32 44 273 346 000 80 90 98 2 0 0 027 67 12 19 3.6 0.9 29.44 33 46 272 345 -002 81 89103 2 0 0 039 68 12 20 3.5 0.8 29.45 33 47 270 342 001 80 88 99 2 0 0 028 69 12 21 3.1 1.2 29.47 32 46 268 340 002 87 96104 1 0 0 007 70 12 22 3.4 0.8 29.48 31 44 267 339 -001 82 90 96 1 0 0 006 71 12 23 3.7 0.4 29.51 33 45 266 339 -003 77 84 93 2 0 0 017 72 13 00 3.4 0.9 29.53 29 41 268 341 -001 82 91 97 2 0 0 000 73 13 01 2.7 1.4 29.55 29 42 265 337 000 90 96101 1 0 0 026 74 13 02 3.3 0.7 29.56 30 40 268 341 -001 82 89 76 1 0 0 000 75 13 03 3.4 0.6 29.57 28 40 270 342 -001 80 87 75 1 0 0 000 76 13 04 3.2 0.4 29.57 28 39 269 341 -001 80 88 95 1 0 0 000 77 13 05 3.3 0.6 29.57 27 37 272 344 -002 81 89 87 1 0 0 000 78 13 06 3.0 1.0 29.56 26 36 274 347 000 85 94 96 1 0 0 000 79 13 07 2.8 1.0 29.56 26 36 274 347 -002 86 95103 1 0 -1 008 80 13 08 3.3 0.4 29.54 24 33 277 350 -003 80 85 87 1 0 0 001 81 13 09 3.3 0.6 29.52 22 30 286 358 000 80 88 91 1 0 0 000 82 13 10 3.0 1.1 29.50 21 28 290 2 -001 86 96103 1 0 0 000 83 13 11 2.6 1.6 29.46 18 25 294 7 -001 92 96103 1 0 0 016 84 13 12 2.6 1.8 29.41 15 20 301 14 -002 94100 97 1 0 0 034 85 13 13 2.5 1.8 29.35 13 16 315 28 -003 96100 97 0 0 0 018 86 13 14 2.0 1.7 29.32 14 17 332 45 -004 99100100 0 0 0 088 87 13 15 1.5 1.3 29.23 12 16 359 72 -005 99100100 0 0 0 144 88 13 16 1.3 1.1 29.16 12 15 24 97 -001 99100100 0 0 0 158 89 13 17 1.1 0.9 29.10 12 16 44 116 -005 99100102 0 0 0 284 90 13 18 1.2 0.9 29.05 11 14 66 138 -001 98100101 0 0 0 189 91 13 19 1.6 1.0 29.01 11 12 92 165 -007 97100101 0 0 0 033 92 13 20 1.6 1.2 28.98 11 12 116 189 -003 98100100 0 0 0 047 93 13 21 1.8 1.4 28.98 12 14 142 214 -004 97100102 0 0 0 054 94 13 22 2.0 1.4 29.00 14 17 163 236 -003 96100103 0 0 -1 044 95 13 23 1.9 1.3 29.04 16 20 174 247 -001 96100101 0 0 -1 047 96 14 00 2.0 1.3 29.08 15 20 188 261 -003 96 97100 0 0 -1 045 97 14 01 2.0 1.3 29.12 15 18 204 276 -004 95 97102 0 0 -1 040 98 14 02 2.2 1.4 29.16 15 20 225 297 -001 94 94104 0 0 -1 037 99 14 03 2.3 1.3 29.20 17 22 229 302 001 93 94104 0 0 -1 040 100 14 04 2.4 1.1 29.23 17 20 237 310 001 91 91103 0 0 -1 014 101 14 05 2.5 0.8 29.26 17 23 242 315 000 88 90100 0 0 -1 009 102 14 06 2.7 0.7 29.28 19 25 247 319 000 85 94100 1 0 -1 000 103 14 07 2.8 0.6 29.30 19 26 248 321 001 84 90 93 1 0 -1 000 104 14 08 2.8 0.2 29.33 20 28 247 320 001 81 87 99 1 0 -1 000 105 14 09 3.1 0.5 29.34 20 29 254 326 000 81 89 98 1 0 0 000 106 14 10 3.1 0.5 29.36 21 30 252 325 000 81 88 97 1 0 0 000 107 14 11 2.6 1.3 29.38 23 30 254 327 -001 90 98104 0 0 -1 008 108 14 12 3.0 0.3 29.39 21 29 244 317 -002 80 84 83 1 0 0 018 109 14 13 2.8 0.6 29.41 22 30 251 324 -002 85 92103 1 0 -1 002 110 14 14 2.5 0.7 29.42 24 34 254 327 -003 87 93101 0 0 -1 032 111 14 15 2.5 0.8 29.43 23 31 256 328 -001 88 92 96 0 0 -1 009 112 14 16 2.3 1.1 29.43 21 30 260 333 000 91 97102 0 0 -1 013 113 14 17 2.7 1.2 29.44 22 31 255 328 000 89 95103 1 0 -1 014 114 14 18 2.8 1.1 29.45 22 29 247 319 000 87 93 98 1 0 -1 002 115 14 19 2.7 1.1 29.46 20 28 244 317 000 88 92 93 1 0 -1 002 116 14 20 2.9 0.4 29.48 22 30 237 310 000 82 90 98 1 0 -1 000 117 14 21 3.0 0.3 29.51 22 30 237 310 000 81 87 90 1 0 -1 000 118 14 22 2.9 -0.0 29.53 23 31 238 311 001 79 87 87 1 0 -1 000 119 14 23 2.9 0.1 29.56 22 32 238 310 001 80 85 78 1 0 -1 001 120 15 00 2.2 1.2 29.57 24 32 245 318 -004 93 98104 0 0 -1 016 * 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.