Dry Thunderstorm

How it's made

Source

dry-storm air turbulence uses independent pink-noise wind beds; no rain or impact grains.

Body

thunder is pressure noise, high-passed at 32 Hz, with a 90-210 Hz rolling core and a broad 180-1600 Hz onset. Air absorption lowers the cutoff toward 110 Hz as the discharge recedes.

Envelope

thunder arrives every 8-19 s with timing jitter; attacks take 40-350 ms and rolls last 7-11 s. Three delayed noise lobes model arrivals from different lengths of the lightning channel.

Modulation

wind gusts over several seconds jointly increase level and shift broad turbulence from 170 toward 1400 Hz; a slower independent pressure layer supports the gust without a whistle.

Variation

seeded event strength, pan, lobe delays and duration avoid repeated thunder samples. Distance softens attacks and absorbs highs; activity changes spacing; wind and gust speed shape air.

Layers

centered low thunder carries weight; later lobes spread sideways above a decorrelated wind. Presets cover distant tension, an approaching front, nearby rolling thunder and a wind-heavy squall.

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