Southwest Monsoon 2019 finally marked its onset over southern parts of Northeast India i.e. in parts of Mizoram and Manipur during the last 48 hours after a delay of almost 10 days from its normal date of onset.
The Northern Limit of Monsoon is now passing through Latitude 12°N/Longitude 60°E, Latitude 12°N/Longitude 70°E, Kannur, Madurai, Latitude 12°N/Longitude 83°E, Latitude 14°N/Longitude 86°E, Latitude 17°N/Longitude 89°E, Latitude 20°N/Longitude 91°E, Aizawl, Latitude 24°N/Longitude 93°E and Latitude 25°N/Longitude 95°E.
In fact, the northeastern states of the country i.e. Assam, Arunachal Pradesh, Meghalaya, Nagaland, Manipur, Mizoram and Tripura have been experiencing moderate to heavy rains since the last many days. Extremely heavy rains occurred in parts of Assam, Tripura and Nagaland.
At present, a cyclonic circulation lies over South Bangladesh and adjoining areas. A trough is extending from northern plains to South Bangladesh. Moisture-laden winds from Bay of Bengal are also blowing over the northeastern states of India.
Now further also, we expect widespread heavy rains to continue over the northeastern states. Rain intensity will be more in parts of Manipur, Mizoram and Tripura. Meanhwile, light to moderate rain and thundershowers with few heavy spells will occur in rest parts of Northeast India.
Moreover, due to the cyclonic circulation present over West central Bay of Bengal and its movement towards Myanmar Coast, we expect rains to increase more June 13 onwards over the northeastern states.
During that time, very heavy to extremely heavy rains will lash parts of Northeast India along with few parts of Sikkim and Sub-Himalayan West Bengal. With this, now conditions are becoming favorable for Monsoon to cover some more parts of Northeast India along with few parts of Sikkim and Sub-Himalayan West Bengal.
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