Heard Island site lat/lon = (-53.0000,72.6000) cell lat/lon = (-53.0015,72.5908) Forecast initialized at 2025-11-10/12 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 10 12 2.7 1.6 28.81 21 21 5 78 000 91 97 80 1 0 0 000 1 10 13 2.7 1.5 28.78 20 29 7 79 000 91 95 90 1 0 0 000 2 10 14 2.8 1.5 28.78 21 31 6 79 -001 91 99 95 1 0 0 000 3 10 15 2.8 1.6 28.76 22 31 1 74 000 91 99104 1 0 0 001 4 10 16 2.8 1.5 28.75 20 30 358 71 000 90 98104 1 0 0 002 5 10 17 2.7 1.6 28.71 19 28 358 71 000 91 99104 1 0 0 001 6 10 18 2.7 1.5 28.69 19 26 353 66 000 92 99 92 1 0 0 002 7 10 19 2.5 1.6 28.67 18 25 353 66 000 93 99102 1 0 -1 006 8 10 20 2.4 1.4 28.63 17 24 354 66 -001 92 99 85 1 0 -1 005 9 10 21 2.4 1.1 28.61 17 23 348 61 000 91 98 95 0 0 -1 001 10 10 22 2.2 0.8 28.60 15 20 341 54 -001 90 96102 0 0 -1 006 11 10 23 1.9 1.1 28.59 14 18 336 49 -002 95 98105 0 0 -1 025 12 11 00 1.6 1.0 28.60 12 15 311 23 002 96 95104 0 0 -1 034 13 11 01 1.7 0.6 28.59 11 15 284 357 001 91 80 94 0 0 -1 009 14 11 02 1.9 0.1 28.60 13 17 288 0 000 87 81 97 0 0 -1 000 15 11 03 1.8 0.4 28.60 13 18 296 8 000 90 90102 0 0 -1 015 16 11 04 1.8 0.7 28.61 14 19 277 350 000 92 94105 0 0 -1 014 17 11 05 1.8 0.5 28.63 19 25 251 324 000 90 93103 0 0 -2 000 18 11 06 1.7 0.5 28.69 22 31 247 319 000 91 97105 0 -1 -1 025 19 11 07 1.7 0.1 28.72 25 33 246 319 000 89 98105 0 -1 -2 002 20 11 08 2.1 -1.2 28.76 26 34 241 314 -001 76 84 90 0 0 -2 000 21 11 09 2.3 -0.6 28.80 23 30 251 323 -002 79 87 85 0 0 -1 000 22 11 10 2.3 -1.0 28.82 23 30 260 333 000 77 83 76 0 0 -1 000 23 11 11 2.1 -0.1 28.85 24 33 268 341 000 84 93104 0 0 -2 000 24 11 12 1.7 -1.0 28.88 28 37 251 323 001 80 90 85 0 -1 -2 013 25 11 13 1.2 -0.1 28.92 26 37 263 335 000 91 95104 0 -1 -2 019 26 11 14 1.5 -0.7 28.95 27 38 257 330 000 84 90101 0 -1 -2 012 27 11 15 1.3 -0.4 28.98 28 39 260 333 000 88 94101 0 -1 -2 002 28 11 16 1.4 -0.4 29.01 28 38 264 337 001 87 94 94 0 -1 -2 008 29 11 17 1.5 -0.7 29.04 28 38 266 338 000 84 91 96 0 -1 -2 009 30 11 18 1.4 -0.7 29.06 29 38 269 341 000 85 93 93 0 -1 -2 004 31 11 19 1.7 -1.8 29.08 28 38 268 341 000 75 83 88 0 -1 -2 005 32 11 20 1.4 -1.7 29.09 26 35 273 345 001 78 86 91 0 -1 -3 000 33 11 21 1.1 -0.9 29.11 26 35 278 350 000 85 92 93 0 -1 -3 005 34 11 22 1.3 -0.8 29.13 24 32 282 354 000 85 93 96 0 -1 -2 005 35 11 23 1.6 -0.5 29.13 24 33 290 3 000 85 92 93 0 -1 -2 008 36 12 00 1.3 -0.1 29.13 23 30 292 4 -001 90 93104 0 -1 -2 002 37 12 01 1.8 0.5 29.12 23 33 305 17 -001 91 97103 0 0 -1 026 38 12 02 1.7 1.0 29.11 23 33 306 18 -001 95100104 0 0 -1 025 39 12 03 2.0 1.0 29.10 25 34 308 20 000 93100104 0 0 -1 033 40 12 04 2.1 1.1 29.09 25 35 306 19 -002 92100100 0 0 -1 020 41 12 05 2.0 1.1 29.08 26 36 312 25 -001 93100103 0 0 -1 023 42 12 06 2.2 1.1 29.06 27 38 315 28 -002 92100103 0 0 0 015 43 12 07 2.7 1.5 29.04 27 39 313 26 -003 92100102 1 0 0 007 44 12 08 2.9 1.7 29.02 27 40 310 22 -001 92100101 1 0 0 003 45 12 09 2.8 2.0 29.01 27 40 310 23 -002 94100100 1 0 0 001 46 12 10 2.9 2.4 28.99 25 38 311 24 -003 97100100 1 1 0 002 47 12 11 2.9 2.7 28.98 24 37 313 26 -001 100100100 2 1 0 001 48 12 12 3.1 2.7 28.97 24 37 312 24 -012 97100100 2 1 0 020 49 12 13 3.1 2.7 28.96 22 33 310 22 -001 97100100 2 1 0 098 50 12 14 3.2 3.1 28.95 20 32 310 23 -002 100100100 2 2 1 002 51 12 15 3.2 3.0 28.94 19 30 306 18 -003 100100100 2 2 1 008 52 12 16 3.1 3.0 28.94 19 29 301 14 000 100100100 2 1 1 004 53 12 17 3.0 2.9 28.94 17 27 297 10 000 100100101 2 1 1 001 54 12 18 2.9 2.8 28.94 16 25 299 11 000 100100101 2 1 1 001 55 12 19 2.9 2.7 28.95 16 25 296 8 000 100100102 2 1 0 001 56 12 20 2.8 2.7 28.95 15 23 293 6 -001 100 79102 2 2 1 000 57 12 21 2.5 2.4 28.96 17 25 284 357 000 100 95 99 1 1 1 000 58 12 22 2.5 2.4 28.98 18 26 281 353 000 100 99101 1 0 0 000 59 12 23 2.7 2.3 29.00 18 29 279 351 001 98 95103 1 1 0 000 60 13 00 2.7 2.1 29.02 18 28 279 352 001 95100102 1 0 0 000 61 13 01 2.6 2.1 29.04 19 26 276 349 001 97100101 1 0 0 000 62 13 02 2.6 1.8 29.07 18 26 276 348 000 95100101 1 0 0 000 63 13 03 2.6 1.7 29.09 17 25 279 351 000 94100101 1 0 0 000 64 13 04 2.5 1.9 29.11 17 25 283 356 000 95100100 1 0 0 000 65 13 05 2.6 1.8 29.12 17 23 283 356 000 94100 99 1 0 0 000 66 13 06 2.6 1.8 29.14 16 23 286 359 001 94100 97 1 0 0 000 67 13 07 2.5 1.8 29.16 15 21 287 359 000 95100100 1 0 0 000 68 13 08 2.4 1.9 29.17 14 19 290 2 000 96100103 1 0 0 000 69 13 09 2.3 2.1 29.17 14 19 294 7 000 99100103 1 0 0 001 70 13 10 2.3 2.2 29.18 14 20 299 11 000 100100103 1 0 0 000 71 13 11 2.6 2.0 29.18 15 21 301 14 000 96100 99 1 0 0 000 72 13 12 2.5 2.0 29.17 14 19 305 17 000 96100100 1 0 0 003 73 13 13 2.2 2.1 29.17 13 18 309 22 -001 99100102 1 0 0 008 74 13 14 2.3 1.7 29.16 14 18 305 17 000 96100100 1 0 0 005 75 13 15 2.2 1.4 29.15 12 16 305 17 -002 94100103 0 0 0 004 76 13 16 2.1 1.7 29.15 12 16 318 31 -005 98100103 0 0 0 020 77 13 17 2.1 1.6 29.15 13 17 322 35 -002 97100103 0 0 -1 027 78 13 18 2.0 1.5 29.14 13 17 316 29 -002 97100102 0 0 0 021 79 13 19 1.9 1.5 29.12 12 17 316 28 -003 98100103 0 0 0 026 80 13 20 1.9 1.5 29.11 12 16 316 28 -004 98100103 0 0 0 020 81 13 21 1.9 1.7 29.09 12 17 319 31 -003 99100103 0 0 0 022 82 13 22 2.1 1.9 29.07 11 15 321 34 -003 100100101 0 0 0 021 83 13 23 2.1 1.9 29.07 12 16 316 29 -002 100100 99 1 0 0 006 84 14 00 2.1 1.9 29.07 13 17 307 20 001 100100 94 0 0 0 006 85 14 01 1.9 1.6 29.08 15 20 293 5 000 98100101 0 0 -1 017 86 14 02 1.8 1.2 29.08 15 22 287 0 003 96100101 0 0 -1 019 87 14 03 2.3 1.2 29.08 16 24 294 7 000 92 99104 0 0 -1 000 88 14 04 2.3 0.9 29.09 19 24 299 12 000 90100104 0 0 -1 000 89 14 05 2.1 1.0 29.10 19 25 303 16 000 91100104 0 0 -1 000 90 14 06 2.1 1.0 29.09 18 22 303 15 001 92100104 0 0 -1 000 91 14 07 2.3 1.1 29.10 15 20 303 16 002 91 98104 0 0 -1 000 92 14 08 2.3 1.3 29.10 14 19 302 15 001 92 99104 0 0 -1 001 93 14 09 2.3 1.4 29.10 12 16 291 3 000 93100104 0 0 -1 002 94 14 10 2.3 1.3 29.10 9 11 276 349 000 93100100 0 0 -1 000 95 14 11 2.1 1.1 29.10 7 8 259 331 000 93100105 0 0 -1 000 96 14 12 1.8 0.8 29.09 6 7 222 294 000 93 97105 0 0 -1 000 97 14 13 1.6 0.4 29.08 7 8 196 269 001 91 94105 0 0 -1 001 98 14 14 1.6 0.0 29.08 7 8 186 258 -001 89 92105 0 -1 -1 003 99 14 15 1.6 -0.1 29.08 6 7 180 253 000 88 85100 0 0 -1 000 100 14 16 1.6 -0.2 29.07 5 7 178 251 000 88 75 94 0 0 -1 000 101 14 17 1.6 -0.2 29.06 5 7 185 257 000 87 71 91 0 0 -1 000 102 14 18 1.6 -0.2 29.05 5 6 197 270 000 87 70 90 0 0 -2 000 103 14 19 1.6 -0.3 29.04 5 6 206 278 -001 87 70 89 0 0 -2 000 104 14 20 1.6 -0.4 29.03 4 6 213 286 000 86 69 85 0 0 -2 000 105 14 21 1.5 -0.6 29.01 4 5 223 295 000 85 71 86 0 -1 -2 000 106 14 22 1.5 -0.7 29.01 4 6 241 313 000 85 84 84 0 -1 -2 000 107 14 23 1.4 -1.4 29.00 3 5 254 327 -001 81 83 83 0 -1 -2 000 108 15 00 1.4 -2.9 28.97 3 5 251 323 000 72 73 75 0 -1 -3 000 109 15 01 1.4 -3.3 28.95 3 7 222 295 -002 70 67 77 0 -1 -3 000 110 15 02 1.4 -3.7 28.95 2 6 238 310 -002 68 70 77 0 -1 -3 000 111 15 03 1.3 -3.7 28.94 4 7 251 323 000 67 71 84 0 -1 -3 000 112 15 04 1.2 -4.1 28.92 5 7 248 320 -001 66 72 89 0 -1 -3 000 113 15 05 1.0 -4.4 28.91 5 6 250 322 000 65 74 90 0 -2 -3 000 114 15 06 1.0 -4.3 28.91 5 6 250 323 000 66 76 86 0 -2 -3 000 115 15 07 1.0 -4.3 28.90 5 6 247 320 000 66 75 82 0 -2 -3 000 116 15 08 1.0 -4.2 28.90 5 6 248 321 000 66 75 80 0 -2 -3 000 117 15 09 1.0 -4.1 28.89 4 6 248 321 000 67 75 79 0 -2 -3 000 118 15 10 1.1 -3.9 28.89 4 6 246 319 000 68 76 80 0 -2 -3 000 119 15 11 1.1 -3.6 28.89 4 6 246 318 -001 70 75 81 0 -1 -3 000 120 15 12 1.1 -3.2 28.91 4 7 253 325 -001 72 76 80 0 -1 -3 000 * 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.