tropical storm bertha hurricane
Definition
A collective reference to the various incarnations of tropical cyclones named 'Bertha' that have occurred throughout meteorological records, specifically noting the progression from a tropical storm to a hurricane as defined by the Saffir-Simpson Hurricane Wind Scale.
A term often used in post-event analysis to distinguish the specific intensity phase of a weather system that bore the name Bertha during its lifecycle.
Examples
If Tropical Storm Bertha decides to upgrade to a hurricane, she is basically pulling a 'new year, new me' move on the entire Atlantic coastline.
Meteorologists track these systems with the intensity of a group chat moderator trying to stop a debate, which is exactly how Tropical Storm Bertha evolved into a hurricane.
When a tropical storm becomes a hurricane, it is nature's way of failing upward with impressive, albeit destructive, speed.