{
 "version": 1,
 "file": "wind-gfs-20261031-06z-63fcddec.bin",
 "bytes": 3501549,
 "header": {
  "magic": "AFLW1",
  "generated": "2026-10-31T14:37:35Z",
  "source": "NOAA/NCEP GFS 0.25° · NOMADS filter (UGRD/VGRD/TMP)",
  "cycle": "2026-10-31T06:00Z",
  "encoding": "float16",
  "channels": [
   "u",
   "v",
   "cat",
   "temp"
  ],
  "units": {
   "u": "m/s",
   "v": "m/s",
   "cat": "0-1 (Ellrod TI1)",
   "temp": "K"
  },
  "grid": {
   "nLat": 121,
   "nLon": 241,
   "latMin": -90.0,
   "latMax": 90.0,
   "lonMin": 0.0,
   "lonMax": 360.0,
   "latOrder": "ascending",
   "lonOrder": "ascending",
   "wrapLon": true
  },
  "levels": [
   {
    "hPa": 200,
    "fl": 387
   },
   {
    "hPa": 250,
    "fl": 340
   },
   {
    "hPa": 300,
    "fl": 301
   }
  ],
  "steps": [
   {
    "hour": 0,
    "validTime": "2026-10-31T06:00:00Z"
   },
   {
    "hour": 6,
    "validTime": "2026-10-31T12:00:00Z"
   },
   {
    "hour": 12,
    "validTime": "2026-10-31T18:00:00Z"
   },
   {
    "hour": 24,
    "validTime": "2026-11-01T06:00:00Z"
   },
   {
    "hour": 36,
    "validTime": "2026-11-01T18:00:00Z"
   }
  ],
  "layout": "step-major, then level, then lat (asc), then lon (asc), RGBA float16",
  "stats": [
   {
    "hour": 0,
    "level": 200,
    "maxWind": 86.7,
    "meanWind": 22.9,
    "maxCat": 1.0,
    "hotFrac": 0.0329
   },
   {
    "hour": 0,
    "level": 250,
    "maxWind": 90.7,
    "meanWind": 22.8,
    "maxCat": 1.0,
    "hotFrac": 0.0298
   },
   {
    "hour": 0,
    "level": 300,
    "maxWind": 72.9,
    "meanWind": 21.3,
    "maxCat": 1.0,
    "hotFrac": 0.0284
   },
   {
    "hour": 6,
    "level": 200,
    "maxWind": 87.5,
    "meanWind": 22.9,
    "maxCat": 1.0,
    "hotFrac": 0.0341
   },
   {
    "hour": 6,
    "level": 250,
    "maxWind": 82.7,
    "meanWind": 23.0,
    "maxCat": 1.0,
    "hotFrac": 0.0322
   },
   {
    "hour": 6,
    "level": 300,
    "maxWind": 76.0,
    "meanWind": 21.4,
    "maxCat": 1.0,
    "hotFrac": 0.0273
   },
   {
    "hour": 12,
    "level": 200,
    "maxWind": 92.4,
    "meanWind": 22.6,
    "maxCat": 1.0,
    "hotFrac": 0.031
   },
   {
    "hour": 12,
    "level": 250,
    "maxWind": 89.7,
    "meanWind": 22.7,
    "maxCat": 1.0,
    "hotFrac": 0.0306
   },
   {
    "hour": 12,
    "level": 300,
    "maxWind": 84.8,
    "meanWind": 21.3,
    "maxCat": 1.0,
    "hotFrac": 0.0291
   },
   {
    "hour": 24,
    "level": 200,
    "maxWind": 101.1,
    "meanWind": 22.2,
    "maxCat": 1.0,
    "hotFrac": 0.0269
   },
   {
    "hour": 24,
    "level": 250,
    "maxWind": 102.0,
    "meanWind": 22.5,
    "maxCat": 1.0,
    "hotFrac": 0.0279
   },
   {
    "hour": 24,
    "level": 300,
    "maxWind": 92.1,
    "meanWind": 21.2,
    "maxCat": 1.0,
    "hotFrac": 0.027
   },
   {
    "hour": 36,
    "level": 200,
    "maxWind": 85.6,
    "meanWind": 21.5,
    "maxCat": 1.0,
    "hotFrac": 0.0297
   },
   {
    "hour": 36,
    "level": 250,
    "maxWind": 92.2,
    "meanWind": 21.7,
    "maxCat": 1.0,
    "hotFrac": 0.0329
   },
   {
    "hour": 36,
    "level": 300,
    "maxWind": 87.1,
    "meanWind": 20.6,
    "maxCat": 1.0,
    "hotFrac": 0.0288
   }
  ],
  "catMethod": "Ellrod TI1 = horizontal deformation × vertical wind shear; normalised to 0-1 at the 99.5th percentile of the field"
 }
}