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DEPARTMENT OF METEOROLOGY SRI LANKA

ADVISORY

2021-04-17

Advisory for Severe Lightning Issued by the natural hazards early warning center Issued at 04.00 p.m. 17 April 2021 for the period until 10.30 p.m. 17 April 2021

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WEATHER FORECAST FOR 18 APRIL 2021

Issued at 12.00 noon on 17 April 2021

Showers or thundershowers will occur at several places in Western and Southern provinces.

Showers or thundershowers will occur at several places in Central, Sabaragamuwa, Uva, Eastern, North-western and Northcentral provinces in the evening or night. Fairly heavy falls above 75 mm can be expected at some places in Western, Sabaragamuwa, Southern and Central provinces.

Misty conditions can be expected at some places in Central and Sabaragamuwa provinces during the morning.

General public is kindly requested to take adequate precautions to minimize damages caused by temporary localized strong winds and lightning during thundershowers.

WEATHER FORECAST FOR SEA AREAS AROUND THE ISLAND DURING NEXT 24 HOURS

Issued at 12.00 noon on 17 April 2021

Condition of Rain:

Showers or thundershowers will occur at several places in the sea areas extending from Puttalam to Batticaloa via Colombo, Galle and Hambanthota.

Winds:

Winds will be south-westerly in the sea areas around the island. Wind speed will be (20-30) kmph.

Wind speed can increase up to 40kmph in the sea areas extending from Galle to Potuvil via Hambanthota and in the sea areas extending from Puttalam to Kankasanturai via Mannar.

State of Sea:

The sea areas extending from Galle to Potuvil via Hambanthota and in the sea areas extending from Puttalam to Kankasanturai via Mannar can be moderate at times.

Temporarily strong gusty winds and very rough seas can be expected during thundershowers.

GENERAL WEATHER FORECAST FOR NEXT 36 HOURS

Issued at 04.00 p.m. on 17 April 2021

Showers or thundershowers will occur at several places in Western and Southern provinces.

Misty conditions can be expected at some places in Central and Sabaragamuwa provinces during the morning.

General public is kindly requested to take adequate precautions to minimize damages caused by temporary localized strong winds and lightning during thundershowers.

Weather Forecast for Main Cities				Date :	18-Apr-2021
City	Temperature (⁰C)		Relative Humidity (%)		Weather
City	Max	Min	Max	Min	Weather
Anuradhapura	33	23	90	65	Showers or thundershowers are likely after 2.00p.m
Batticaloa	32	24	95	70	Showers or thundershowers are likely after 2.00p.m
Colombo	32	25	90	65	Showers or thundershowers
Galle	30	25	90	75	Showers or thundershowers
Jaffna	32	26	90	75	A few showers
Kandy	31	20	95	65	Showers or thundershowers are likely after 2.00p.m
Nuwara-Eliya	21	12	95	70	Showers or thundershowers after 2.00p.m
Ratnapura	33	23	95	65	Showers or thundershowers after 2.00p.m
Trincomalee	33	23	95	55	Showers or thundershowers are likely after 2.00p.m
Mannar	32	25	90	75	Showers or thundershowers are likely after 2.00p.m