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Prevailing meteorological conditions leading to onset of monsoon over Kerala

  • Newdelhi:29/5/18;Widespread rainfall occurred over Kerala, during the past 3-4 days. The 14 rainfall monitoring stations for Monsoon onset over Kerala have reported more than 60% rainfall from 25th May. (Fig-2).
  • Westerly winds have strengthened in the lower levels (more than 30 knots) and deepened with Westerly/ West-southwesterly winds upto 600 hPa (approximately upto 4.5km) over the south Arabian Sea (equator to Lat. 10oN and Long. 55oE to 80oE) from today morning.
  • There is persistent convection (cloudiness indicated by Outgoing Long-wave Radiation values <200 Wm-1) from 23rd May. The Satellite (INSAT-3D) derived Outgoing Long wave Radiation value in the box confined by Lat. 5-10oN, Long. 70-80oE is 187 W/m2. (Fig-2).
  • In addition to the above features, the following developments are also noticed:
  • An east-west shear zone runs roughly along latitude 120N (across south peninsula) at 3.1 km above mean sea level.
  • A well marked low pressure area lies over southeast and adjoining eastcentral Arabian Sea off north Kerala- Karnataka coasts.
  • Another well marked low pressure area lies over eastcentral and adjoining northeast Bay of Bengal. It is likely to concentrate into a Depression during next 12 hours.

 

Further advance during next 48 hours

Conditions are favorable for further advance of Southwest Monsoon into some parts of central Arabian Sea, remaining parts of Kerala, some parts of coastal and south interior Karnataka, some more parts of eastcentral and northeast Bay of Bengal, and some parts of northeastern states during next 48 hours.

 

About Editor in chief

Ashok Palit has completed his graduation from Upendranath College Soro, Balasore and post graduation from Utkal University in Odia Language and literture.. He has also carved out a niche for himself as a scribe of eminence after joining the profession in 1988. He is also an independent media production professional. He brings loads of experience to Advanced Media, Ashok Palit as a cineaste has been active in film criticism for over three decades. As a film society activist, he soared to eminence for his profound commitment to the art film appreciation and aesthetics of cinema. His mode of discourse is often erudite but always lucid and comprehensible marked by a perfect acumen so rare in the field. A film aesthete with an immense fond of critical sensibilities, he wrote about growth and development of odia cinema in New Indian Express, The Times of India, The Hindustan Times, The Asian Age and Screen. He has been working as an Editor for Cine Samaya from 2002-2004.. He had made solid contribution on cinema in many odia Dailies and weekly such as Samaj, Prajatantra, Dharatri, Samaya, Satabadi, and weekly Samaya.

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