The following platforms are highly rated for providing high-intensity, "best quality" thunder sounds: Free Thunder-Clap Sound Effects Download - Pixabay
High-quality in MP3 format are readily available through several reputable digital libraries, offering both royalty-free and premium options for video production, gaming, and creative projects. Professional-grade effects often distinguish themselves through "dry" recordings—those without background rain—providing greater flexibility for sound designers. Top Sources for Thunderclap MP3 Downloads