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Posted on:    04 May, 2018       Views:  785

This is what caused the freak dust storm that killed more than 100 people in north west India

On Wednesday, more than 100 people were killed in dust, storm and electricity at several places in North, Central and Eastern India. National Disaster Management Authority (NDMA) said that "lightning and storm" killed 62 people in Uttar Pradesh and 32 people in Rajasthan; The UP government issued a breakdown of deaths which increased to 70. Statistics of these accidents seem unusually high for weather events in one day. However, in the event of weather events itself was not unusual. This year is expected of storms, dust and even hurricanes, and the Meteorological Department regularly issues alerts and warnings. On Wednesday also the weather events were predicted, and warnings were issued.

This is what caused the ‘freak’ dust storm that killed more than 100 people in north, west India

Rain and dust grow from similar weather conditions. They are almost always the first - and are due to the intense heat spell. There is a storm or thunder in the atmosphere when there is moisture; When this does not happen, there are dusts.

During this time of year in many parts of India the surface heat was created. Storm-affected places were seen like heat waves in the past week.

Dr.Matunjay Mahapatra of the India Meteorological Department said that such incidents are due to the local "instability" arising out of deviation from the normal temperature difference between upper and lower environments. In this case, for example, the winds of helicopter from the Bay of Bengal reached Himachal Pradesh, which was also receiving dry winds from north-west direction. Both systems have made the temperature difference difference between the upper and lower layers of the atmosphere, resulting in favorable conditions for the storm.

The last trigger, however, is the development of a large-scale air circulation system. In this particular case, the trigger came from the circulatory system developed in Rajasthan a few days ago.

that sounds weird. However, a large number of deaths have been reported in few days. In June 2016, more than 300 people died in electricity three days. Lightning is the biggest killer in India in natural calamities. In 2014 and 2015, it killed 2,582 and 2,641, show National Crime Records Bureau data.

What was unusual about the events of Wednesday that they were in a big geographical area within very short time. Dr Sunil Pawar of the Indian Institute of Tropical Meteorology, Pune explained that severe storm clouds can sometimes organize themselves within a few hours of "squal lines" of lengths of 150-250 km.

In most cases, hurricanes do not kill themselves. Even lightning rarely attacks people. But they trigger such incidents that result in death. After the fall of the walls or houses, and the snap of the power lines, people are caught in areas filled with electricity, or are caught in areas full of water. The poorest, most densely populated people are the weakest.

In addition, weather predictions are for broader geographical areas and time-bounds. Events are very localized in both of themselves, time and place. It is not possible to forecast a storm or light at an exact location - say a part of a village or city. These incidents will also be killed at the right time, can not be predicted. Alerts and warnings are in the nature of a general advisor, asking people to expect these incidents and take precautions.

This is what caused the ‘freak’ dust storm that killed more than 100 people in north, west India

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