medium_goes_cmi_fdc.js

// Get the fire/hotspot characterization dataset.
var fdcCol = ee.ImageCollection('NOAA/GOES/17/FDCF')
                 .filterDate('2020-09-05T15:00', '2020-09-06T02:00');

// Identify fire-detected pixels of medium to high confidence.
var fireMaskCodes = [10, 30, 11, 31, 12, 32, 13, 33, 14, 34, 15, 35];
var confVals = [1.0, 1.0, 0.9, 0.9, 0.8, 0.8, 0.5, 0.5, 0.3, 0.3, 0.1, 0.1];
var defaultConfVal = 0;
var fdcVisCol = fdcCol.map(function(img) {
  var confImg = img.remap(fireMaskCodes, confVals, defaultConfVal, 'Mask');
  return confImg.gte(0.3).selfMask()
                  .set('system:time_start', img.get('system:time_start'));
});

// Join the fire collection to the CMI collection. 
var joinFilter = ee.Filter.equals({
  leftField: 'system:time_start',
  rightField: 'system:time_start'
});
var joinedCol = ee.Join.saveFirst('match')
                         .apply(geosVisCol, fdcVisCol, joinFilter);

// Overlay visualized fire pixels on corresponding visualized CMI image. 
var cmiFdcVisCol = ee.ImageCollection(joinedCol.map(function(img) {
  var cmi = ee.Image(img).visualize({
    bands: ['CMI_C02', 'CMI_GREEN', 'CMI_C01'],
    min: 0,
    max: 0.8,
    gamma: 0.8,
  });
  var fdc = ee.Image(img.get('match')).visualize({
    palette: ['ff5349'],
    min: 0,
    max: 1,
    opacity: 0.7
  });
  return cmi.blend(fdc).set('system:time_start', img.get('system:time_start'));
}));

// Set display parameters and render the animation.
var cmiFdcVisParams = {
  dimensions: 600,
  framesPerSecond: 10,
  region: ee.Geometry.BBox(-120.61, 36.84, -118.23, 37.87),
  crs: 'EPSG:3857'
};
print(ui.Thumbnail(cmiFdcVisCol, cmiFdcVisParams));