NatureModernglobalhigh confidence

Ball lightning is usually associated with thunderstorms.

Notes on verification

Confirmed by multiple independent, credible sources including peer-reviewed physics papers and reputable science outlets. The qualifier 'usually' aligns with the evidence, as exceptions exist but are rare. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=0.925 clusters=4 claim_tier=notable]

Sources

Ball lightning is usually associated with thunderstorms. · DeepInquiry