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Published on: 12/09/2019
Cyclones
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1.
What is the 'eye of a cyclone' and what are its characteristics?
2.
What are the hazards associated with cyclones?
3.
What causes a cyclonic storm?
4.
Source: United News of India
Hundreds Feared Killed as Cyclone Devastates Odisha Coast
Several hundred people were feared killed as the super cyclone with a velocity of more than 260 kph battered 10 coastal districts of Odisha for more than eight hours today. The state government called in the army and the air force to help carry out relief and rescue operation. "You cannot imagine the devastation. More than 200,000 houses have been destroyed and vast tracts in the coastal areas submerged," Chief Minister Giridhar Gamang told the United News of India on telephone. He also spoke to Defence Minister George Fernandes to send in troops, air force helicopters and transport aircraft. All the 10 affected districts remained cut off from the rest of the country with power supply and telecommunication links cut off. According to initial reports, heavy damage has been reported in the affected areas. Road links in certain areas have been cut off. The cyclone hit Paradip port this morning at a speed of 260kph. The diameter of the cyclone was very big and all nine coastal districts of Odisha were affected badly. The storm of rare intensity left petrified residents fearing for their lives in the capital and the thickly populated areas along the coast. Massive loss of life and property was feared, but a clear picture will emerge only after the storm abates.
The hardiest of trees fell to the ferocity of the gales, which swept away much of what came in their way. Torrential rains continued to lash the capital city, which is about 65 km from the Puri coast. The flat terrain along the coast allowed the strong tidal waves to reach far inland without obstruction. The cyclone stormed Bhubaneswar at around 0830 1ST. The gale speed had touched a howling 260 kph by 1500 IST. Telephone and electricity poles snapped like matchsticks, leaving the telecommunication network in shambles. Power breakdowns plagued the affected areas with little prospects of early restoration of supply. The air traffic control tower in Bhubaneswar reportedly suffered damage, leaving little scope for early resumption of air traffic. Fallen trees blocked the roads and the highway between Cuttack and Bhubaneswar. The army moved in to provide immediate relief. Two signal attachments were flown in with INMARSAT terminals to re-establish telecommunication links. Electrical and mechanical engineers of the army are already trying to restore power supply.
Huts and other fragile structures collapsed, forcing the inmates to seek shelter in temples and schools. Tidal waves rose two-storeys high, breaking embankments at Talachua in Paradip and Erasama. Large parts were inundated in the coastal areas. But details were not immediately available. Ships had been taken off the harbour. Several buildings, including the state secretariat complex, were damaged. Eyewitnesses said no tall tree was standing in the entire city anymore. Old-timers said they had never seen such devastation.
The building housing the UNI offices in the heart of the city was among the structures damaged. It forced the agency to shut down its cornputerised news operations. The only means of communication available was the telephone line, which also threatened to go off anytime.
Full details of the havoc wrought by the cyclone are yet to come in, but it was feared to have left a ghastly trail, especially in the coastal areas. Meanwhile, the railways cancelled 14 passenger and mail trains scheduled to run in the cyclone-affected areas.
Question:
In your view, what preventive actions could Odisha have taken to reduce the damage caused when the Super Cyclone struck?
5.
List the steps in preparing for a cyclone.
6.
Which are the cyclone-prone areas of our country?
7.
Besides natural causes, what are the man-made reasons, which have contributed to increase in the impact of cyclones?
1.
Eye of the cyclone is the center of the cyclone which is a zone of calm, good weather and a cloud cover.
2.
The hazards which are associated with cyclones are strong winds and gales, torrential rains, high tidal waves or storm surges, severe floods etc.
3.
Cyclonic storm is a result of a combination of warm sea temperature, high relative humidity and atmospheric instability, which converts it into a low atmospheric pressure region.
4.
Odisha Government could have taken the following cyclone damage reducing measures:
(i) At first, the meteorological department should broadcast the early cyclone warning news through radio or TV, so that people could be alerted and made ready for the upcoming hazard.
(ii) After broadcasting the warning, the government should have disaster management rescue team, like air force helicopters and transport aircrafts ready to evacuate people from the cyclone-prone regions.
(iii) Hence, if the whole system had taken these essential actions, the cyclone hazard would not become a disaster.
(iv) Indeed, we cannot prevent cyclones, but these measures can help in reducing the damage.
5.
The steps in preparing for a cyclone are as follows:
• In the cyclone seasons, people in coastal areas should always be alert by updating themselves through listening to radio or TV weather reports about a cyclone warning.
• Identify safe shelters in your area and the closest and safe route to reach them.
• After updating themselves about a cyclone warning, fishermen should avoid going to the sea.
• Make sure there is an emergency kit ready at home and also keep all your important documents in that.
• Store adequate food grains and water in safe places.
• Also try to keep a list of emergency addresses and phone numbers of the local police station, Block or taluka office (in rural areas).
6.
In India, the East and West coastal regions along the Bay of Bengal and Arabian sea, respectively, are two of the worst affected cyclone-prone regions of the world.
As compared to West coast, East coast is the more cyclone-prone region in India.
On the East coast (Bay of Bengal sea), West Bengal, Odisha, Andhra Pradesh and Tamil Nadu are the worst affected states.
On the West coast (Arabian sea), Gujarat and Maharashtra are the most vulnerable states.
7.
Human activities affect the whole environment. As in coastal areas which are cyclone-prone regions, paddy cultivators, prawn far .iers and other human beings, through their various activities like encroaching and cutting trees, are increasing the levels of deforestation.
In spite of making people aware about the fact that forests work as a natural water barrier, windbreakers and shielding the coastal communities from the destructive power of cyclone and storm surges, there has bee~ widespread deforestation.
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