Scientists and meteorologists continue to study and predict the effects of EI-Nino. However, for people living in areas that are vulnerable to the yearly monsoon, this represents a major challenge, particularly in India where there is a long history of devastating floods and droughts affecting the lives and livelihoods of many. What is EI-Nino? EI-Nino
The monsoon is one of the major climatic features of India, and has a profound influence on the economy of the country. The distribution and characteristics of rainfall during the South West Monsoon (SWM) season in India is well documented by meteorological elements and in literature. There seem to be two rain-bearing systems in India.
The monsoon gathers strength as the land and ocean temperatures contrast with each other. This intensified heat transfer from land to sea develops a low-pressure region over the western part of India’s peninsula. A low pressure system is not exactly a ‘low’ temperature, but actually an area of cooling air (where air pressure is low).
The ITCZ is present only in the northern hemisphere and the southern hemisphere over the tropics which extend from the Tropic of Cancer in the north to the Tropic of Capricorn in the south. It is one of the five recognized tropical revolving storms (or low-pressure centers); it is also called a monsoon trough. These
High sun’s insolation due to apparent movement of sun between the equator and the Tropic of Cancer. Intense Solar Radiation in the Tropics makes the weather very hot and humid, while low values of solar energy in Polar Regions make the weather cold and dry. These changes in Solar Energy lead to convection and create
A large number of western cyclonic disturbances are formed over the Mediterranean Sea every winter. These disturbances are strong wind systems, strong enough to produce rainfall in the form of thunderstorms. The wind system about these disturbances is cyclonic in nature i.e. anticlockwise. Hence they are named western cyclonic disturbance by meteorologists. Many of the
Direction of Winds in India in Winter at the Height of 9-13 km Read More »
During the winter season winds generally blow from north-east to south-west in the direction of trade winds. These winds are dry, devoid of moisture and are characterized by lower temperature and higher pressure conditions over the country. The term trade winds refers to the westward flowing currents of rising air that occur near tropical areas,
Climate is the aggregate of all the weather conditions over longer periods of time, in a particular place. The climate of India varies greatly from region to region, season to season, and place to place. India boasts of a rich diversity in its topography which makes it distinct from other countries on the globe. This
Weather is the momentary state of the atmosphere while climate refers to the average of the weather conditions over a longer period of time. Weather changes quickly, may be within a day or week but climate changes imperceptively and may be noted after 50 years or even more. A temperature drop in winter may have
The Mahanadi rises near Sihawa in Raipur district of Chhattisgarh and runs through Odisha to discharge its water into the Bay of Bengal. It is 851 km long and its catchment area spreads over 1.42 lakh sq. km. Some navigation is carried on in the lower course of this river. Fifty three per cent of
