Highlights

• Rainfall Prediction : Fairly heavy rainfalls are predicted in Western, Sabaragamuwa, North central, Central & Southern provinces during 6th-9th Aug .
• Monitored Rainfalls : Fairly heavy rainfalls were experienced in the Western, Central & Sabaragamuwa provinces with max of 54 mm in Ratnapura district on 27th July.
• Monitored Wind : From 26th July – 1st August: up to 15 km/h from the Southwesterly were experienced over the island. 
• Monitored Sea Surface : Sea surface temperature was observed above 0.5℃ around all of Sri Lanka.

Interpretation

Monitoring

Rainfall  : During the last two weeks, there had been heavy rainfall over the following province: Western and Sabaragamuwa.
Wind : South westerly winds prevailed in the sea area and around the island during last week.
Temperatures : The temperature anomalies were slightly above normal for the Sabaragamuwa province the last week – driven by the warm SST’s.

Prediction

Rainfall : During the next week (6th – 9th August) fairly heavy rainfall is predicted for Sabaragamuwa, Western, North Central and Central provinces; and in Galle and Matara districts.

Temperatures : The temperature remains slightly normal for August. During 6th – 14th August, the temperature remains high especially the Eastern and Uva provinces.

Teleconnections:
La Nina -The SST forecast indicates that the La Niña event has transitioned to ENSO-neutral and will likely remain so through the boreal summer.
MJO shall be neutral the rainfall during 6th – 16th August.