Kerala, the largest rain contributor during the Pre-Monsoon season for South India, performed very poorly in March with a deficiency of 53%. Following the same trend, the rainfall deficiency increased further and by mid-April, Kerala was 70% rain deficient.
However, from April 16 and 17, marginal increase in weather activities was observed and good Pre-Monsoon rains finally arrived over many parts of the state. Rains intensified further between April 18 and 21, increasing the spread as well as the intensity.
For the last three to four days, the state has been witnessing fairly widespread rain and thundershower activities accompanied with strong winds. This has also signification dropped the rainfall deficiency of Kerala to 32%.
In the last 24 hours from 08:30 am on Sunday, Neyyattinkara in Thiruvananthapuram recorded 20 mm of rain, followed by Trivandrum 13.2 mm, Kuppady in Wayanad 10 mm and Nilambur in Malappuram 6.2 mm.
These weather activities have been attributed to the wind discontinuity or a trough extending across parts of Kerala and its adjoining states of Tamil Nadu and Karnataka. Along with this an embedded cyclonic circulation is also seen over Comorin area.
Today also, we expect scattered light to moderate rain and thundershowers to occur in parts of Kerala, especially the southern districts such as Trivandrum, Kochi, Alappuzha, Kozhikode, Punalur and Thrissur.
Thereafter, tomorrow onwards, rainfall activities will gradually start decreasing over the state and for the coming three to four days, any significant rains will not be witnessed by Kerala. But still isolated rains cannot be ruled out during that time.
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