The UAC at 500 hpa in the South Arabian Sea has now tracked W/NW and is centred at 10.5N and 66.5E. The movement is because the 500 hpa ridge , till now over Central Arabain Sea, has shifted towards the North West. The UAC may move W/NW in the next 24 hrs.
Another UAC has formed at 5N and 83E, South East of Sri Lanka. The UAC exists upto approximately 850 hpa level, and will posssibly descend in the same location as a Low (BB-1).
As a Low, it will move in a Northerly track and deepen within next 2 days. BB-1 will strengthen to depression level, and could cross the coast on the A.P. coast.
But, as we wait, we see a possibility due to certain resisting factors developing, of BB-1 just by passing the coast or even fizzling out in the waters off the South A.P. coast.
South West Monsoon advancing in the South Andaman Sea around 15th May.
MW -4 will be published on 15th May 2016.