Squall

1 Jan 2025 1230 UTCUTC Coordinated Universal Time or UTC is the primary time standard by which the world regulates clocks and time. It is within about 1 second of mean solar time (such as UT1) at 0° longitude (at the IERS Reference Meridian as the currently used prime meridian) and is not adjusted for daylight saving time. It is effectively a successor to Greenwich Mean Time (GMT).

A well defined, and remarkably straight, squall line across the southeast of England.

Who says nature abhors a straight line?

Well it was William Kent as a matter of fact.