Destructive Effects of Cyclones

Q: What are the precautions one must take when one is in a cyclone-hit area ?

Few precautions to be followed during cyclones are:Fill buckets, sinks and baths with water in case the water supply becomes restricted.Gather everyone indoors including any pets.Stay away from doors, windows and exterior walls.Turn off all electricity, gas and water and unplug all appliances.

Q: Which of the following is a natural disaster?

A natural disaster is a major adverse event resulting from natural processes of the Earth; examples include floods, hurricanes, tornadoes, volcanic eruptions, earthquakes, tsunamis, and other geologic processes.

Q: How will you help your neighbours in case cyclone approaches your village/town?

In case cyclone approaches, we should help our neighbours in the following ways : 1. By helping them in moving to cyclone shelters and other safe places. 2. By asking them to take necessary steps to shift animals, vehicles and household goods to safer places. 3. By calling the emergency services such as police, fire brigade and medical centers when required. 4. By not pressurising the rescue force by making undue demands.

Q: Fill in the blank.A Cyclone alert or cyclone watch is issued_____hours in advance of any expected storm and a Cyclone warning is issued ______hrs in advance.

A Cyclone alert or Cyclone watch is issued 48 hours in advance of any expected storm and a Cyclone warning is issued 24 hrs in advance.

Q: Which of the following precautions should be taken when you are staying in a cyclone hit area?

All the options are correct.As all the four are the precautions which should be taken when you are staying in a cyclone hit area.

Q: Why is it advisable not to shut all the doors and windowsduring a storm?

As we know that the storm is simply accompanied by strong winds(high speed) and as we know that the high-speed winds have low pressure , so if we close all the doors and windows when a storm occurs then the pressure inside the house will remain the same as before(high pressure than storm) but due to storm the pressure outside the house has changed and has lowered on the roof of the house, so the pressure difference created will try to neutralize by taking off the roof of the house, so that is why we should not close all the doors and windows when a storm comes.

Q: Which of the following are not associated with cyclones?

Volcanic eruptions are not associated with cyclones as the other three are features of a cyclone.

Q: How has advanced technology helped to prepare better for the Cyclone ?

The advanced technologies, satellites and radars help us by giving a Cyclone alert, \$48 \ hrs\$ in advance of any expected storm and a Cyclone warning is issued \$24 \ hrs\$ in advance. The message is broadcasted every hour or every half an hour when a cyclone is nearer the coast.Hence both options A and B are correct

Q: The instrument that measures the wind speed is called an ____________ .

An anemometer is a device used for measuring wind speed and direction. It is also a common weather station instrument. The term is derived from the Greek word 'anemos', which means wind, and is used to describe any wind speed instrument used in meteorology.

Q: Anemometer is used to measure _________ .

An anemometer is a device used for measuring wind speed and direction. It is also a common weather station instrument. The term is derived from the Greek word 'anemos', which means wind, and is used to describe any wind speed instrument used in meteorology.

Physics

definition

Destruction Caused by Cyclones

Cyclones can be very destructive.Strong winds push water towards the shore even if the storm is hundreds of kilometres away. These are the first indications of an approaching cyclone.

The low pressure in the eye lifts water surface in the centre. The rising water may be as high as 3-12 metres.
It appears like a water-wall moving towards the shore. As a result, the seawater enters the low-lying coastal areas, causing severe loss of life and property. It also reduces the fertility of the soil.
Continuous heavy rainfall may further worsen the flood situation.
High-speed winds accompanying a cyclone can damage houses, telephones and other communication systems, trees, etc., causing tremendous loss of life and property.