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IMD became a member of the World Meteorological Organisation after independence on 27 April 1949. [5] The agency has gained in prominence due to the significance of the monsoon rains on Indian agriculture. It plays a vital role in preparing the annual monsoon forecast, as well as in tracking the progress of the monsoon across India every season ...
In 2003, IMD substantially changed its forecast methodology, model, [43] and administration. [44] A sixteen-parameter monsoon forecasting model used since 1988 was replaced in 2003. [ 43 ] However, following the 2009 drought in India (worst since 1972), [ 45 ] The department decided in 2010 that it needed to develop an "indigenous model" [ 46 ...
The next day, the IMD noted that a low-pressure area had formed adjacent to the cyclonic circulation. [5] Late on 23 May, the IMD upgraded the system into a well-marked low, stating that it was rapidly coalescing. [6] The next day, the IMD stated that the depression formed in the Bay of Bengal, designating it as BOB 01. [7]
In April 2024, the India Meteorological Department (IMD) warned of heatwave conditions for 10 to 20 days in several parts of the country. The IMD said that the conditions would eventually subside with the onset of the neutral phase of the El Niño–Southern Oscillation and the monsoon in June. [41]
As proposed in the third five-year plan [2] of India, the Indian Institute of Tropical Meteorology (IITM) was founded as the Institute of Tropical Meteorology on 17 November 1962 at Pune as an individual unit of the India Meteorological Department (IMD), the main organization responsible for meteorological observations, weather forecasts, and detecting earthquakes in India.
The IMD upgraded the depression to a deep depression, and subsequently to Cyclonic Storm Biparjoy. [35] [36] The JTWC subsequently classified it as Tropical Cyclone 02A. [37] By 00:00 UTC on 7 June, the IMD upgraded the system to a severe cyclonic storm with winds of 100 km/h (65 mph). [38]
At 12:00 UTC (17:30 IST), the IMD further upgraded it to a severe cyclonic storm, as microwave imagery showed a well-organized system. [39] On 10 May, the cyclone began to encounter high wind shear due to which the JTWC downgraded it as a tropical storm while the IMD continue to maintain it as a severe cyclonic storm.
Over the next two weeks a trough of low pressure and a cyclonic circulation, helped advance the monsoon into remaining parts of the Arabian Sea, central and north-western India. [2] The India Meteorological Department (IMD) subsequently declared that the monsoon covered the whole of India on July 17, which was about two days later that normal. [2]