Storm train

A storm train (also known as a type of training in meteorology) is a numerous amount of storms (generally thunderstorms) moving over the same area, lined up in a series, like cars of a train.

Hazards
Floods arrive on the storm train
A series of storms continually moving over the same area, dumping heavy rains can cause flooding. Each storm usually produces heavy rain, and after a certain amount of storms have moved over the same area, flooding can begin.

Formation
Showers and thunderstorms along storm trains usually develop in one area of stationary instability, and are advanced along a single path by prevailing winds. Additional showers and storms can also develop when the gust front from a storm collides with warmer air outside of the storm. The same process repeats in the new storms, until overall conditions in the surrounding atmosphere become too stable for support of thunderstorm activity. Showers and storms can also develop along stationary fronts, and winds move them down the front. The reason why showers often accompany thunderstorms, is because these showers are usually thunderstorms that are not completely developed. All thunderstorms start as showers, then strengthen to thunderstorms. However, the systems that reach certain areas further down the "train" may all be fully developed, even though they start as showers.

Name
It is known as a storm train (training in meteorology), because the storms line up along a single line like cars of a train traveling along a track (moving along a single path), without the track moving.
 
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