Question

A rainy day as defined by the Indian Meteorological Department is a day when the rainfall at a point received is__________.
A. 0.5mm to 1mm in 24hours
B.1.1mm to 1.5mm in 24hours
C. 1.6mm to 2mm in 24hours
D.above 2.5mm in 24hours

Answer 1

Hint: Monsoon in India lasts from June to September. The season is dominated by the humid southwest summer monsoon and begins to recede from North India at the beginning of October. South India typically receives more rainfall.

Complete Answer:According to India Meteorological Department (IMD), a rainy day has been differentiated as a day with rainfall of 2.5 mm or more than that.

IMD also states that rainfall for a station is called heavy if it is more than 650 mm and very heavy if it is greater than 1300 mm.

The rains are more or less severe and long-lasting depending on the area, but commonly the wettest period is from July to September, except in the southeast, where the retreating monsoon begins again until the end of the year.

 Two significantly simple parameters which help in providing a better resemblance of rainfall limitations than does the monthly total alone are number of rain days and mean daily rainfall intensity. They give some information of frequency of event and a natural measure of intensity of rain; both of these factors have agricultural and hydrological significance.

Hence, the correct answer is option 'd'.

Note:
-The headquarters of the Indian Meteorological Department is at Delhi.
-Mrutyunjay Mohapatra is assigned chief of India Meteorological Department.
-Indian Meteorological Department is an agency of the Ministry of Earth Sciences of the Government of India.