What causes flash floods in Uttarakhand?
What causes flash floods in Uttarakhand?
A rock mass weakened over a period of time due to freezing and thawing of snow must have led to the creation of a “weak zone”, triggering its collapse, which resulted in the formation of a temporary dam that eventually breached, causing the deadly floods in Uttarakhand’s Chamoli district on Sunday, initial observations …
What is the reason for Uttarakhand flood 2021?
The 2021 flood in Uttarakhand, India, that resulted in over 200 dead and missing was the result of an avalanche that dropped about 27 million cubic metres of rock and glacier ice from the nearby Ronti mountain.
What was the main reason for Kedarnath flood?
In that year, the banks of the Chorabari lake in Kedarnath collapsed due to a cloudburst that had resulted in a major flash flood. The flooding caused widespread destruction in Uttarakhand and led to heavy losses to infrastructure, agricultural lands, human and animal lives.
Which river caused flood in Uttarakhand?
The glacier burst generated a sudden flood in the middle of the day in the Dhauli Ganga, Rishi Ganga, and Alaknanda rivers — all intricately linked tributaries of the Ganga — triggering widespread panic and large-scale devastation in the high mountain areas.
What causes cloudburst?
Cloudburst, a sudden, very heavy rainfall, usually local in nature and of brief duration. Most so-called cloudbursts occur in connection with thunderstorms. In these storms there are violent uprushes of air, which at times prevent the condensing raindrops from falling to the ground.
Why do cloudbursts occur?
How does a cloudburst occur? Cloudburst is basically a rainstorm and occurs mostly in the desert and mountainous regions, and in interior regions of continental landmasses due to the warm air current from the ground or below the clouds rushes up and carries the falling raindrops up with it.
Why was there a flood in Uttarakhand in 2013?
Uttarakhand, one of the hill states of Northern India, was severely hit by heavy rain induced flash floods and landslides in the 3rd week of June, 2013. This abnormally high amount of rainfall has been attributed to the fusion of Westerlies with the Indian monsoonal cloud system (Fig. 3).
Which is the worst year of flash flood in India?
Flash flood is the result of hydro-meteorological disturbance. Most of the Himalayan districts are the victim of flash flood disaster. Almora is experiencing this disaster for a long time, but the intensity is varied. The worst year was 2013, in which 12 out of 13 districts of Uttarakhand had faced the flash flood.
Which is the worst affected district in Uttarakhand?
The flash floods triggered by very heavy rainfall and cloudburst in Uttarakhand on 16-17 June 2013, affected 12 out of the 13 districts in Uttarakhand. The 4 districts that were worst affected were Rudraprayag, Chamoli, Uttarkashi and Pithoragarh. The deluge has washed away roads, bridges and other infrastructure.
How did the Indian Red Cross respond to the Uttarakhand flood?
The Indian Red Cross responded to the Uttarakhand disaster by mobilising the National disaster response team (NDRT), Regional disaster response team (RDRT) and National disaster watsan response team (NDWRT) members who were alerted for possible deployment.
