Heat waves are actually an episode that takes place where the weather is hotter than usual for the given season and the usual climate does not exist. In spite of various opinions of what a heat wave is exactly and whether it constitutes a specific type of weather condition, many places across the world have reported experiencing a heat wave at some point or the other during this year.
In some places on earth, a heat wave can occur too often and it is a common phenomenon in the summer months. However, a weather condition of this type cannot be limited to one particular season like summer.
Heat wave is basically a hot weather condition and it varies from one place to another. There are some basic facts on how heat waves occur just about everywhere. First of all the climate of some places is obviously hotter than it is considered to be normal during a particular time of the year. This type of weather that lasts for quite some time is likely to bring around some kinds of health risks to people and animals, and it may also cause additional strain on the general well being.
However, the main cause of a heat wave and the change in temperature has been mainly attributed to the global warming off late. Several places around the globe define heat waves as something that lasts for specific periods of time. In some places, the weather conditions are such that a heat wave should last for a minimum of three days before it is classified as one.
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