Study of Natural Disaster in Manali Valley (Himachal Pradesh), India on 09 July 2023
DOI:
https://doi.org/10.54302/mausam.v75i4.6447Keywords:
Western Disturbance, Pir Panjal Range, monsoon winds, flash floods, cloudburstAbstract
Continuous heavy rainfall in July 2023, particularly from the 7th to the 10th, led to devastating flash floods, cloudbursts, and landslides in Himachal Pradesh, causing extensive damage to infrastructure, properties, and loss of lives. The most severely affected districts were Kullu, Mandi, Sirmaur, Shimla, Solan, and nearby areas. Manali sub-division, located in Himachal Pradesh, spans an altitude range of 1074 to 4017 meters above sea level. The region's climate is shaped by its mountainous terrain, with the Beas Valley's weather influenced by factors like relief, aspect, and altitude. The Pir Panjal Range's windward slopes create a barrier to monsoon winds, resulting in heavy rainfall and cloudbursts in the area. The report from the India Meteorological Department (IMD) in Shimla, Himachal Pradesh, on July 12, 2023, highlighted the active monsoon conditions in the state from July 7th to 10th, exacerbated by a Western Disturbance (WD). This combination led to intense and unprecedented rainfall, causing extensive damage to public and private properties, particularly in hilly regions. The report mentioned that similar disasters have occurred in the past due to heavy rainfall, cloudbursts, and landslides, possibly exacerbated by factors like unscientific construction, climate change, and increased human activities, including tourism. The report emphasized the need for accurate predictions and proactive planning to mitigate such disasters in the future.
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