MapsGL - Customizing lightning point styles

This example customizes the circle styles of the lightning-strikes weather layer by adjusting the circle fill color and opacity based on the age of each lightning strike.
custom-lightning-styles.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>MapsGL SDK - Custom lightning strike styling</title>
    <meta name="description" content="Customize the appearance of lightning strike data based on strike age." />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
 
    <link href="https://api.mapbox.com/mapbox-gl-js/v3.12.0/mapbox-gl.css" rel="stylesheet" />
    <script defer src="https://api.mapbox.com/mapbox-gl-js/v3.12.0/mapbox-gl.js"></script>
 
    <link href="https://cdn.aerisapi.com/sdk/js/mapsgl/1.9.4/aerisweather.mapsgl.css" rel="stylesheet" />
    <script defer src="https://cdn.aerisapi.com/sdk/js/mapsgl/1.9.4/aerisweather.mapsgl.js"></script>
 
    <style>
    body, html {
        margin: 0;
        padding: 0;
    }
    #map {
        height: 100vh;
        width: 100%;
    }
    </style>
 
</head>
<body>
    <div id="map"></div>
 
    <script>
        window.addEventListener('load', () => {
 
            mapboxgl.accessToken = 'MAPBOX_TOKEN';
            const map = new mapboxgl.Map({
                container: document.getElementById('map'),
                style: 'mapbox://styles/mapbox/dark-v9',
                center: [-84.5, 30],
                zoom: 5
            });
 
            const account = new aerisweather.mapsgl.Account('CLIENT_ID', 'CLIENT_SECRET');
            const controller = new aerisweather.mapsgl.MapboxMapController(map, { account });
 
            controller.on('load', () => {
 
                // style lightning strike circles based on age
                controller.addWeatherLayer('lightning-strikes', {
                    paint: {
                        fill: {
                            color: [
                                'step',
                                ['coalesce', ['get', 'age'], 0],
                                '#ffffff',
                                61, 'rgba(255, 255, 255, 0.7)',
                                301, 'rgba(255, 255, 255, 0.5)',
                                601, 'rgba(255, 255, 255, 0.3)'
                            ],
                            opacity: [
                                'step',
                                ['coalesce', ['get', 'age'], 0],
                                1,
                                61, 0.8,
                                301, 0.6,
                                601, 0.4
                            ]
                        },
                        stroke: {
                            color: '#fff',
                            thickness: 1
                        },
                        circle: {
                            radius: 4
                        }
                    }
                });
 
            });
        });
    </script>
 
</body>
</html>