MES | Advance of southwest monsoon into South Andaman Sea

PIB News Update: According to the latestrelease (at 1300 Hrs. IST)by the National Weather Forecasting Centre/Cyclone Warning Divisionof the India Meteorological Department:

• The Southwest Monsoon has advanced into some parts of south Bay of Bengal, NicobarIslands & Andaman Sea.
• The Northern Limit of Monsoon (NLM) passes through Lat.5°N/Long.85°E,Lat.8°N/Long.90°E, Car Nicobar, Lat.11°N/Long.95°E (Fig.1).

Further advance during next 3-4 days

• Conditions are favorable for further advance of Southwest Monsoon into some more parts ofSouth Bay of Bengal, remaining parts of Andaman Sea & Andaman Islands and some parts ofeastcentral Bay of Bengal during next 48 hours.

Major features associated with advance of southwest monsoon>

• Rainfall occurred at most places over Nicobar Islands during last 24 hours.
• Southwesterly wind has strengthened in the lower levels (upto 25 knots) and deepened(upto 6 km) over the southern Latitudes covering south Andaman Sea, Nicobar Islandsand southern parts of south Bay of Bengal.
• There is persistent cloudiness from 15th May onwards over south Andaman Sea,

adjoining south Bay of Bengal and Nicobar Islands. The Satellite (INSAT-3D) derived Outgoing Long wave Radiation over the region is less than 200 W/m2 .

Forecast & warnings for Andaman & Nicobar Islands during next 5 days

• Light to moderate rainfall at most places very likely over Andaman & Nicobar Islandsduring next 4-5 days. Heavy rainfall at isolated