explain the interplay of pressure condition and winds in winter in the Indian subcontinent
Answers
November – March. January is the coldest month.
Sun’s apparent path is to the south of equator.
Clear sky, pleasant weather, low temperature, low humidity, high range of temperature, cool and slow north-east trade winds.
The diurnal range of temperature, especially in interior parts of the country, is very high.
The isotherm of 20°C runs roughly parallel to the Tropic of Cancer.
To the south of this isotherm the temperatures are above 20°C. Here there is no distinctly defined winter weather. Some parts of Kerala and Tamil Nadu typically experiences temperatures near 30°C.
To the north mean temperatures are below 21°C and the winter weather is distinct.
The mean minimum temperature is about 5°C over north-west India and 10°C over the Gangetic plains.
Dras Valley in Kashmir is the coldest place in India. The minimum temperature recorded at Dras was – 45°C in 1908.