Squall line

Massive squall line in Nebraska by Aaron Sperschneider
Nothing happened for a long time that day over rural Nebraska. Just some weak thunderstorms.

Electric Saturday night in Monsummano Alto by Samuele Montedoro
Squall line in formation between Pisa and Lucca heading towards Pistoia.

Shelf cloud over the rice fields by Alessandro Piazza
Squall line storm passing over Vercelli

A very close cloud to ground negative lightning strike on a unicell by Filip Petržílek
A beautiful view of an incoming and very photogenic storm from Poland

Whale’s mouth over Venice by Francesco Dalla Stella
Another hunt ended with the sight of this imposing “whale’s mouth” with some attempt to create a shelf cloud at its leading edge at the head of an intense storm line descending from the preAlp towards the coast