bangladesh cyclones in 1991
DISASTER MANAGEMENT
HOME ASSIGNMENT -1
A CASE STUDY ON BANGLADESH CYCLONES IN 1991
1. INTRODUCTION
A "Cyclonic Storm" or a "Cyclone" is an intense vortex or a whirl in the atmosphere with very strong winds circulating around it in anti-clockwise direction in the Northern Hemisphere and in clockwise direction in the Southern Hemisphere.
The word "Cyclone" is derived from the Greek, word "Cyclos" meaning the coils of a snake. To Henri Peddington, the tropical storms in the Bay of Bengal and in the Arabian Sea appeared like the coiled serpents of the sea and he named these storms as "Cyclones".
Cyclones are intense low pressure areas - from the centre of which pressure increases outwards- The amount of the pressure drop in the centre and the rate at which it increases outwards gives the intensity of the cyclones and the strength of winds.
Let us look at a case study:
Bangladesh is one of the world's most disaster-prone countries, and is particularly susceptible to cyclones and floods. With a population of more than 157 million, about 80 per cent of which live in rural areas, Bangladesh is also one of the most densely populated countries in the world.
This combination means the impact of any natural disaster can be devastating and exceed people’s ability to cope.
The 1991 Bangladesh cyclone (IMD designation: BOB 01, JTWC designation: 02B) was among the deadliest tropical cyclones on record. On the night of 29 April 1991 a powerful tropical cyclone struck the Chittagong district of southeastern Bangladesh with winds of around 250 km/h (155 mph). The storm forced a 6 meter (20 ft) storm surge inland over a wide area, killing at least 138,000 people and leaving as many as 10 million homeless.
An area of persistent cloudiness, in part
HOME ASSIGNMENT -1
A CASE STUDY ON BANGLADESH CYCLONES IN 1991
1. INTRODUCTION
A "Cyclonic Storm" or a "Cyclone" is an intense vortex or a whirl in the atmosphere with very strong winds circulating around it in anti-clockwise direction in the Northern Hemisphere and in clockwise direction in the Southern Hemisphere.
The word "Cyclone" is derived from the Greek, word "Cyclos" meaning the coils of a snake. To Henri Peddington, the tropical storms in the Bay of Bengal and in the Arabian Sea appeared like the coiled serpents of the sea and he named these storms as "Cyclones".
Cyclones are intense low pressure areas - from the centre of which pressure increases outwards- The amount of the pressure drop in the centre and the rate at which it increases outwards gives the intensity of the cyclones and the strength of winds.
Let us look at a case study:
Bangladesh is one of the world's most disaster-prone countries, and is particularly susceptible to cyclones and floods. With a population of more than 157 million, about 80 per cent of which live in rural areas, Bangladesh is also one of the most densely populated countries in the world.
This combination means the impact of any natural disaster can be devastating and exceed people’s ability to cope.
The 1991 Bangladesh cyclone (IMD designation: BOB 01, JTWC designation: 02B) was among the deadliest tropical cyclones on record. On the night of 29 April 1991 a powerful tropical cyclone struck the Chittagong district of southeastern Bangladesh with winds of around 250 km/h (155 mph). The storm forced a 6 meter (20 ft) storm surge inland over a wide area, killing at least 138,000 people and leaving as many as 10 million homeless.
An area of persistent cloudiness, in part