MONSOON UPDATES & WEEKLY REPORT ENDING 19TH AUGUST 2017

Realised Weather over Maharashtra, Goa and Gujarat State. (13^thAugust to19^th August)

During the last week

The monsoon trough which controls the monsoon activity of country was at foothills of Himalayas for most of the week. The trough started shifting southwards due to the formation of low pressure area over North Bay of Bengal on 18^th August.

Low Pressure over Bay of Bengal

On 18^th August 2017 a low pressure area was formed over North Bay of Bengal. The low pressure formed over Bay of Bengal shifted westwards and on 19^th situated over coastal Andhra Pradesh and adjoining area of South coastal Odisha and West Central Bay of Bengal. Associated cyclonic circulation extends up to 7.6 km above mean sea level.

Rainfall Activity over Maharashtra

During the last week North Konkan experienced rainfall at most places may be because of upper air cyclonic circulation close to Maharashtra coast. Whereas south Konkan – Goa received rainfall at many places. Districts of Madhya Maharashtra observed light to moderate rainfall at few places, only on 15^th and 17^th it was at many places. Marathwada also experienced rainfall at few place and  on 18^th at many places. Vidarbha got poor rainfall during the last week but on 18^th it was active monsoon day over Vidarbha. Thunder storm also observed over Vidarbha at one or two places on 18^th August. As the western end of the monsoon trough was at the foot hills of Himalayas, Gujarat state was not benefitted by rainy days. Rainfall was at only one or two places during the week.

 

Forecast for next week

A low pressure area has formed over Bay of Bengal on 18^th August. On 19^th the position is off Coastal Andhra Pradesh and adjoin South Odisha coast.

Konkan – Goa :-Districts of Konkan Goa will experience heavy rainfall on 20^th and 21^st after that moderate to heavy at most places during the week. North Konkan will continue to receive heavy rainfall on 22^nd and 23^rd also.

Madhya Maharashtra :- Districts of Madhya Maharashtra will experience heavy rainfall on 20^th and moderate rainfall at many places on 21^st and 22^nd 24^th and 25^th and 26^th only on 23^rd light to moderate rainfall at few places.

Marathwada :-Districts of Marathwada will observe heavy rainfall on 20^th August on 21^st and 22^nd rainfall at few places but again on 23^rd 24^th and 25^th 26^th moderate to heavy rainfall at many places as another low will be forming.

Vidarbha :- Districts of West Vidarbhawill experience heavy to very heavy rainfall on 20^th at many places and on 21 22 23^rd moderate rainfall at many places and then again moderate to heavy at many places from 24^th to 26^th August.

Gujarat region :-Districts of south Gujarat will observe weather similar to North Konkan full week that is heavy to very heavy rain during the week. North Gujarat will get rainfall at isolated places on 20^th August but from 22^nd to 26^th heavy to very heavy rainfall in the districts of north Gujarat.

Saurashtra and Kutch :-Districts Saurashtra and Kutch will have rainfall only at few places and the system would be moving NW wards or may be weaking. Saurashtra may get good rain on 22^nd and 23^rd August.

 

Note on Monsoon watch

The low pressure area has formed over West Central Bay of Bengal on 18^th and on 19^th it is situated over coastal Andhra Pradesh and South Odisha. The forming of low over Bay of Bengal is a sign of revival of monsoon over Central India and Central South India. As this low will shift the monsoon trough southwards and it will maintain the position there. The another low may be forming in Bay of Bengal after this which may keep the position of monsoon trough in a favourable position. Andhra Pradesh, Telangana, Rayalseema and interior north Tamilnadu will be benefited from these low pressure area. These subdivisions are in deficit of rainfall till now.