New Delhi, May 31 (UNI): The India Meteorological Department (IMD) on Monday said monsoon onset over Kerala is likely to take place by June 3.
According to the IMD Monday morning report, the south-westerly winds could strengthen further gradually from June 1, resulting in likely enhancement in rainfall activity over Kerala. Hence the monsoon onset over Kerala is likely to take place around June 3.
The officials in the IMD said that due to strengthening of lower-level south-westerly winds, fairly widespread to widespread rainfall activity is likely over north-eastern states in the next five days. Isolated heavy to very heavy rainfall is likely over Arunachal Pradesh on Monday, over Assam and Meghalaya during the next three days and heavy rainfall over Nagaland, Manipur, Mizoram and Tripura in the next three days.
The national weather bureau also said that the Western Disturbance as a trough in mid and upper tropospheric westerlies lies with its axis at 5.8 km above mean sea level roughly along longitude 76°E to the north of latitude 28°N.
Lower-level moisture incursion from north Arabian Sea to the plains of Northwest India taking place and is very likely to continue during next three- four days and under this influence, most likely there will be no significant change in maximum temperatures in nest three days with a scope of isolated to scattered rainfall/thunderstorm activity likely over Western Himalayan Region and adjoining plains of Northwest India during next three days.
The cyclonic circulation over east-central Arabian Sea off Karnataka coast between 3.1 & 4.5 km above mean sea level and is likely to meander over the region during the next four days while the south-westerly winds are also likely to strengthen during next two and three days.
Under the influence of above weather condition and other favourable meteorological conditions, scattered to fairly widespread rainfall/thunderstorm likely over Karnataka and Kerala and Mahe and isolated to scattered rainfall and thunderstorm over remaining parts of south Peninsular India during next 4-5 days.