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Difference Between Flood and Flash Flood

Flood vs Flash Flood
 

Flood and flash flood are natural disasters created by the changes in the weather that wreck havoc around the world, therefore knowing what they are and the difference between flood and flash flood are helpful in life. Be it because of recurring storms, hurricanes, tropical cyclones and heavy rains from monsoons and tropical depression, flood is almost always the expected result. Flood is the general term used for the state of calamity that is defined as an overflow of water from lakes and rivers that eventually covers a large width of land that is usually dry, thereby inconveniencing, and sometimes even threatening the lives of the people as well.

What is Flood?

A flood is capable of damaging houses and establishments that are near to flood-prone areas, while also threatening the lives of those who live close by. Floods can happen due to changes in seasons such as changes in precipitation and snowmelt. These possibilities can be easily eliminated if one pursues to build their dwellings far from places with large bodies of water such as rivers and lakes. However, majority of people prefer living close by to bodies of water because of aesthetic as well as financial reasons since this kind of land tends to be estimated at very low values. Apart from that, people have traditionally lived and cultivated by rivers since the land is flat and fertile.

Difference Between Flood and Flash Flood

What is Flash Flood?

Flash flood is an extreme type of flood that is categorized within the fast kinds of riverine floods. The ‘flash’ attached to the term refers to its rapid effect. This type of flood is found to be the result of the convective moisture from the air or waters, like rain and snow that fall from the sky. Some other types of flood include:

Slow kinds of riverine flood – Sufficiently defined as the overflowing of water from its boundaries that is caused by heavy rains and unexpected melting of ice especially those that are coming from elevated areas like mountains.

Estuarine and Coastal flood – These are almost similar to each other since their causes are from sea hazardous storms. An offshore elevation of water, commonly called as storm surge, falls in this category regardless of the cause.

Catastrophic flood – This is a kind of flood that results from a series of particular misfortunes. For instance, during an earthquake or a volcanic eruption, undesirable events such as dam breakage may happen, which will eventually result in a catastrophic flood.

Muddy flood – This type of flood is caused by a runoff that is accumulated on cropland. Muddy floods of massive movements are one the most dangerous catastrophes since it carries sediments of suspended objects from land.

Flash Flood | Difference Between Flood and Flash Flood

What is the difference between Flood and Flash Flood?

Flood is an umbrella term that is used to refer to all kinds of submerged situations that occur due to the overflowing of bodies of water. There are numerous effects that come with floods. Bad effects are truly heart-breaking, but there are some good effects, as well. Floods take lives, they destroy one’s means of living and is the cause of certain waterborne diseases. However, because of smaller frequent floods, positive effects like fertilizing the soil, recharging grounds with a sufficient rate of moisture can also occur.

Flash flood is a type of flood. Floods occur gradually over a long time, but flash floods occur over a short period and are quite instantaneous in nature.

Summary:

Flood vs Flash Flood

• Flash flood is another type of flood that is rapid in the manner of elevating water to lands.

• Flood is a general term; flash flood is one of its types and is very specific when it comes to causes.

 

Further Reading:

  1. Difference Between Flash Flood and Riverine Flood
  2. Difference Between Tsunami and Flood
Image Attribution: 
1. Flooding in Cedar Rapids, IA by U.S. Geological Survey (CC BY 2.0)
2. Flash Flood on the Universal Studio Tour by Loren Javier (CC BY-ND 2.0)


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