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Weather officials confirmed in 2025 that a single 'megaflash' of lightning stretched about 829 km across the United States — roughly the distance from Dallas to Kansas City, in one flash.

World Meteorological Organization (2025)

ScienceNature

Why it matters

The idea in context

The bolt crossed the southern US skies and was certified as the longest lightning flash on record, beating a 709 km event over South America. Megaflashes crawl horizontally through vast, connected storm systems rather than striking straight down. Satellite lightning mappers now let scientists measure these giants that ground observers could never trace end to end.

Türkçe

Aynı kart, başka bir dilde.

Meteoroloji yetkilileri 2025'te, tek bir yıldırım 'megaçakması'nın ABD boyunca yaklaşık 829 km uzandığını doğruladı — tek bir çakışta, kabaca Dallas'tan Kansas City'ye olan mesafe.
Dünya Meteoroloji Örgütü (2025)

Yıldırım, ABD'nin güney göklerini kat etti ve Güney Amerika üzerindeki 709 km'lik bir olayı geçerek kayıtlardaki en uzun yıldırım çakması olarak onaylandı. Megaçakmalar dümdüz aşağı vurmak yerine geniş, bağlantılı fırtına sistemleri içinde yatay olarak sürünür. Uydu yıldırım haritalayıcıları, artık yerdeki gözlemcilerin uçtan uca izleyemeyeceği bu devleri ölçmemizi sağlıyor.

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Background reading: MegaflashAttribution and context are revised when stronger evidence appears. Corrections are welcome through the editorial page.
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