Heard Island site lat/lon = (-53.0000,72.6000) cell lat/lon = (-53.0015,72.5908) Forecast initialized at 2026-10-16/00 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 16 00 1.1 -0.8 29.46 23 25 334 47 000 86 93 97 0 -1 -3 000 1 16 01 1.1 -0.4 29.39 25 34 341 53 -001 89101101 0 -1 -2 000 2 16 02 1.6 -0.5 29.32 28 39 347 59 -001 85 92100 0 0 -1 001 3 16 03 1.7 -0.3 29.25 30 44 343 55 000 85 95100 0 0 -1 007 4 16 04 1.6 0.6 29.16 32 45 342 55 -001 93100100 0 0 0 050 5 16 05 1.6 0.9 29.08 32 46 347 59 -009 95100100 0 0 0 075 6 16 06 1.5 1.0 28.99 33 48 346 58 -008 97100101 0 0 0 128 7 16 07 1.7 1.0 28.90 34 50 339 52 -003 94100102 0 0 0 129 8 16 08 2.1 1.4 28.87 30 41 315 27 -007 96100102 1 0 0 100 9 16 09 1.3 -1.1 28.90 34 49 246 319 -001 83 91105 0 -1 -2 081 10 16 10 1.7 -2.1 28.92 30 43 262 334 000 73 82 95 0 -1 -2 000 11 16 11 1.0 -0.9 28.92 31 46 269 342 000 87 92105 0 -1 -2 003 12 16 12 1.1 -0.9 28.95 33 49 267 340 -002 85 92105 0 -1 -2 009 13 16 13 1.0 -1.0 28.96 35 51 266 339 -001 85 92102 0 -1 -2 011 14 16 14 1.1 -1.1 28.98 35 51 266 339 -003 84 91100 0 -1 -2 011 15 16 15 1.3 -1.4 29.00 36 52 264 336 -004 81 88 98 0 -1 -2 010 16 16 16 1.1 -1.3 29.03 36 53 263 335 -005 82 88 99 0 -1 -2 006 17 16 17 1.0 -1.3 29.06 37 52 262 334 -003 83 89100 0 -1 -2 005 18 16 18 1.4 -2.3 29.07 37 51 259 332 -004 74 81102 0 -1 -2 008 19 16 19 1.5 -2.5 29.11 38 52 261 333 -001 72 80106 0 -1 -2 000 20 16 20 1.6 -2.2 29.13 35 48 263 335 000 74 82106 0 -1 -2 001 21 16 21 1.7 -2.5 29.12 34 47 268 341 -001 71 78101 0 -1 -2 001 22 16 22 1.5 -2.0 29.12 31 43 273 346 -005 75 84106 0 -1 -2 000 23 16 23 1.4 -1.9 29.11 31 44 276 349 -006 77 86106 0 -1 -2 000 24 17 00 1.6 -1.8 29.09 32 45 280 352 002 76 85106 0 -1 -2 000 25 17 01 1.6 -1.7 29.08 32 45 281 353 -002 76 85106 0 -1 -2 000 26 17 02 1.2 -0.8 29.06 31 45 284 357 000 86 94101 0 -1 -2 003 27 17 03 1.0 -0.3 29.03 32 45 285 358 -001 90 98105 0 -1 -2 010 28 17 04 1.2 -0.1 29.01 32 47 283 356 -001 90 98105 0 -1 -2 012 29 17 05 1.2 -0.3 29.01 31 43 280 352 -002 89 95104 0 -1 -2 006 30 17 06 1.1 -3.1 29.02 30 40 260 332 000 71 79 81 0 -2 -3 040 31 17 07 1.1 -2.6 29.02 30 41 270 342 -001 74 81 77 0 -1 -3 002 32 17 08 0.7 -1.6 29.03 32 44 270 343 000 83 90 97 0 -2 -3 017 33 17 09 0.6 -1.2 29.04 33 48 272 345 012 87 95106 0 -2 -3 022 34 17 10 1.3 -2.1 29.04 32 44 268 341 002 76 84 84 0 -1 -2 006 35 17 11 1.4 -1.7 29.06 31 43 270 343 006 77 87 95 0 -1 -2 000 36 17 12 1.7 -2.0 29.07 31 42 272 345 002 74 81 87 0 -1 -2 000 37 17 13 1.7 -2.0 29.06 28 38 274 346 005 74 81 86 0 -1 -2 000 38 17 14 1.6 -1.9 29.03 24 32 276 349 -004 75 81 87 0 -1 -2 000 39 17 15 1.6 -2.0 29.03 22 28 281 354 001 74 78 98 0 -1 -2 000 40 17 16 1.5 -1.6 28.98 19 24 299 11 003 77 81 95 0 -1 -2 000 41 17 17 1.4 -1.3 28.93 21 28 307 20 000 81 85 97 0 -1 -2 000 42 17 18 1.3 -1.3 28.84 19 24 320 33 005 81 83105 0 -1 -2 000 43 17 19 0.5 -0.3 28.77 16 21 333 45 -011 94 93101 -1 -2 -3 024 44 17 20 0.4 -0.1 28.69 17 22 355 68 -007 97 99 97 -1 -2 -2 228 45 17 21 0.5 0.0 28.59 18 23 8 80 -008 97 99100 0 -1 -2 176 46 17 22 0.7 0.1 28.53 14 20 13 86 -004 96101102 0 -1 -2 070 47 17 23 0.9 0.3 28.51 14 19 349 62 001 96101105 0 -1 -2 047 48 18 00 1.8 -0.7 28.51 32 48 263 336 003 82 89105 0 0 -2 013 49 18 01 1.4 -2.3 28.55 31 42 269 341 003 74 81 91 0 -1 -2 000 50 18 02 1.6 -1.0 28.54 30 43 276 349 001 81 90 79 0 -1 -2 000 51 18 03 1.3 -0.5 28.53 33 48 275 347 006 86 93101 0 -1 -2 042 52 18 04 1.2 -0.7 28.53 34 49 277 350 001 86 91105 0 -1 -2 012 53 18 05 1.5 -1.2 28.53 35 50 276 349 005 81 90 93 0 -1 -2 024 54 18 06 0.7 -0.4 28.54 33 48 277 350 000 91 97106 0 -1 -2 025 55 18 07 1.4 -1.6 28.54 36 52 277 349 -006 79 85 94 0 -1 -2 030 56 18 08 1.3 -1.7 28.54 38 55 275 347 004 78 86 92 0 -1 -2 000 57 18 09 0.8 -0.8 28.54 36 51 277 350 -004 88 96104 0 -2 -3 005 58 18 10 1.0 -0.8 28.53 35 50 278 351 003 87 94102 0 -1 -2 021 59 18 11 1.0 -0.7 28.50 35 50 281 353 -002 87 94105 0 -1 -2 057 60 18 12 0.7 -0.3 28.48 35 51 283 355 -021 92 97105 0 -1 -2 203 61 18 13 0.8 -0.1 28.45 31 44 275 348 000 94100106 0 -1 -2 090 62 18 14 0.9 -0.1 28.45 29 42 269 342 -004 93 98106 0 -1 -2 049 63 18 15 0.9 -0.5 28.46 27 37 270 342 000 89 97106 0 -1 -2 020 64 18 16 0.6 -0.1 28.46 19 25 255 328 008 94 99106 0 -1 -2 045 65 18 17 1.2 -0.6 28.49 19 26 219 292 -002 86 86 82 0 -1 -2 006 66 18 18 1.4 -0.6 28.54 23 31 233 306 -001 85 92 92 0 -1 -2 000 67 18 19 0.9 0.1 28.57 21 28 231 303 000 94100106 0 -1 -2 011 68 18 20 0.8 -1.4 28.62 18 23 205 277 004 84 88 97 0 -2 -3 021 69 18 21 0.8 -2.3 28.66 20 31 229 302 002 77 82 87 0 -2 -3 000 70 18 22 0.3 -0.7 28.70 25 33 242 315 000 92100107 -1 -2 -3 018 71 18 23 0.4 -3.6 28.74 29 37 237 309 000 71 80 73 -1 -2 -4 033 72 19 00 0.3 -3.7 28.77 25 33 251 323 -002 71 79 89 -1 -2 -4 000 73 19 01 0.5 -2.3 28.78 24 31 256 329 003 80 90 86 -1 -2 -4 000 74 19 02 0.2 -3.1 28.80 26 36 252 325 000 76 82 83 -1 -3 -4 011 75 19 03 0.7 -2.6 28.80 24 30 257 329 001 76 88 90 -1 -2 -3 000 76 19 04 0.7 -2.4 28.81 25 34 254 326 000 78 86 74 0 -2 -3 000 77 19 05 0.4 -1.7 28.83 27 36 253 325 -001 84 94101 -1 -2 -3 001 78 19 06 1.0 -3.1 28.83 28 39 250 322 000 71 79 79 0 -2 -3 007 79 19 07 0.8 -2.6 28.85 28 37 254 326 000 76 83 85 0 -2 -3 000 80 19 08 0.3 -1.8 28.86 28 39 254 327 -004 84 93 97 -1 -2 -4 008 81 19 09 0.3 -2.5 28.88 29 39 252 325 -001 80 89 97 -1 -2 -4 003 82 19 10 -0.1 -1.8 28.89 29 40 255 327 -008 88 96105 -1 -3 -4 030 83 19 11 0.1 -1.3 28.89 28 38 253 326 -034 90 98106 -1 -2 -4 089 84 19 12 0.2 -1.5 28.90 30 41 243 315 -012 88 96103 -1 -2 -4 127 85 19 13 0.2 -1.4 28.92 27 36 241 313 -012 88 97101 -1 -2 -4 070 86 19 14 0.5 -1.9 28.93 24 30 236 309 000 82 92 89 -1 -2 -3 009 87 19 15 0.1 -1.3 28.95 20 28 236 308 -010 89 94104 -1 -2 -3 024 88 19 16 0.6 -1.4 28.96 22 29 223 296 004 85 94 90 -1 -2 -3 047 89 19 17 0.2 -1.8 29.00 22 27 207 280 -001 85 92 97 -1 -3 -4 008 90 19 18 0.3 -3.9 29.05 23 32 219 292 000 71 79 88 -1 -2 -4 006 91 19 19 0.4 -3.7 29.10 28 38 213 285 001 71 79 75 -1 -2 -4 009 92 19 20 0.2 -3.2 29.15 29 39 213 285 001 76 84 89 -1 -3 -4 001 93 19 21 0.2 -2.5 29.20 27 35 215 288 000 80 93102 -1 -3 -4 000 94 19 22 0.1 -2.8 29.25 27 34 214 287 003 80 90 86 -1 -3 -4 004 95 19 23 -0.4 -1.9 29.30 26 33 218 290 001 89 99105 -2 -3 -4 031 96 20 00 -0.4 -2.6 29.35 27 36 214 287 001 84 94103 -2 -3 -4 042 97 20 01 -0.4 -2.8 29.40 26 34 212 284 -001 83 92102 -2 -3 -4 018 98 20 02 -0.3 -2.3 29.45 27 35 212 285 001 85 97105 -2 -3 -4 040 99 20 03 -0.6 -3.3 29.50 27 36 216 289 000 81 91103 -2 -4 -5 022 100 20 04 -0.8 -5.3 29.54 28 35 216 289 000 70 78 91 -2 -4 -5 003 101 20 05 -1.4 -4.4 29.58 25 32 218 290 000 79 90 99 -3 -5 -6 009 102 20 06 -1.4 -4.4 29.62 26 33 216 288 000 79 90 98 -3 -5 -6 011 103 20 07 -1.3 -4.7 29.66 27 34 214 286 000 77 87 98 -3 -4 -6 009 104 20 08 -1.5 -5.2 29.72 27 35 212 284 000 75 84 96 -3 -5 -6 003 105 20 09 -1.4 -6.4 29.78 28 35 209 282 -001 66 73 94 -3 -5 -6 000 106 20 10 -1.2 -7.0 29.84 25 33 211 284 002 61 68 86 -3 -4 -6 000 107 20 11 -0.8 -6.3 29.87 26 32 219 291 000 64 70 82 -2 -4 -5 000 108 20 12 -0.9 -6.9 29.90 25 31 214 286 002 61 66 84 -3 -4 -6 000 109 20 13 -1.0 -6.8 29.91 24 29 213 286 000 62 68 82 -3 -4 -6 000 110 20 14 -0.9 -6.5 29.93 22 27 215 287 002 63 71 84 -2 -4 -5 000 111 20 15 -0.6 -6.2 29.94 21 25 214 287 002 63 72 95 -2 -4 -5 000 112 20 16 -0.5 -5.5 29.96 19 23 226 298 001 66 76 91 -2 -3 -5 000 113 20 17 -0.5 -4.2 29.98 18 22 240 312 002 75 87 92 -2 -3 -5 002 114 20 18 -0.4 -3.4 29.98 18 22 240 313 003 79 91 94 -2 -3 -4 005 115 20 19 -0.1 -3.3 30.00 17 20 241 314 000 78 90 93 -1 -3 -4 000 116 20 20 -0.1 -4.1 30.01 14 17 230 303 000 72 83 87 -1 -3 -4 001 117 20 21 0.1 -5.2 30.01 10 13 242 315 001 65 75 86 -1 -3 -4 000 118 20 22 0.2 -5.6 30.01 8 10 253 326 005 63 73 84 -1 -3 -4 000 119 20 23 0.1 -5.7 29.98 4 6 275 348 002 64 74 83 -1 -3 -4 000 120 21 00 0.1 -4.6 29.96 6 8 321 33 000 70 82 85 -1 -3 -4 000 * 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.