A radio emission from the sun consisting of a succession of short bursts or pips in the megahertz range that lasts for a period of hours or days and is associated with sunspots.
Origin
1940s.
Definition of noise storm in US English:
noise storm
noun
Astronomy
A radio emission from the sun consisting of a succession of short bursts or pips in the megahertz range that lasts for a period of hours or days and is associated with sunspots.