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DEPARTMENT OF METEOROLOGY SRI LANKA

WARNING

2020-11-30

Bulletin No: 05 WW/TC/20/11/30/05 COLOR: Red Warning for the depression in the south-east Bay of Bengal sea area Issued by the Natural Hazards Early Warning Centre Issued at 07.00 p.m. 30th November 2020

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WEATHER FORECAST FOR 30 NOVEMBER 2020

Issued at 05.30 a.m. on 30 November 2020

The low pressure area in the south-east Bay of Bengal is likely to intensify into a depression during next 24 hours and likely to intensify further. This system is likely to move nearly west-northwestwards to the north coast of Sri Lanka. It will affect weather over the island and surrounding sea areas during next few days.

Several spells of showers will occur at several places in Northern, North-Central, Eastern and Uva provinces.

Showers or thundershowers will occur in Western, Central and Sabaragamuwa provinces and in Galle and Matara districts after 2.00 p.m. Fairly heavy falls about 50 mm are likely at some places.

Fairly strong gusty winds (30-40) kmph can be expected in Northern, North-Central, Eastern, and North-Western provinces.

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 05.30 a.m. on 30 November 2020

Naval and fishing communities are advised not to venture into the deep sea areas to the east coast of the Island (5N-12N, 85E-95E) until further notice.

Fishing and naval community are requested to be vigilant and attentive about future bulletins issued by the Department of Meteorology in next few days.

Condition of Rain:

Showers or thundershowers will occur at several places in the deep sea areas extending from Kankasanthurai to Pottuvil via Trincomalee and Batticaloa.

Winds:

Winds will be north-easterly in the sea areas around the island and the wind speed will be (25-40) kmph. The wind speed can increase up to (50-60)kmph at times over deep sea area extending from Kankasanthurai to Hambantota via Trincomalee via Pottuvil.

State of Sea:

The sea areas around the island will be slight to moderate. The deep sea areas extending from Kankasanthurai to Pottuvil via Trincomalee can be fairly rough or rough at times.

GENERAL WEATHER FORECAST FOR NEXT 36 HOURS

Issued at 04.00 p.m. on 30 November 2020

The low-pressure area in the south-east Bay of Bengalhas concentrated into a depression lay centered 680 km southeast to Trincomalee at 1130hrs today. The system is very likely to intensified into a deep depression during next 12 hours and likely to intensify further into a cyclonic storm during the subsequent 12 hours. This system is very likely to move west-northwestwards and cross eastern coast of Sri Lanka between Batticaloa and Mullaitivu around Wednesday ( 02) evening.

Showers or thundershowers at times will occur in the Eastern and Northern provinces. Heavy rainfall above 100mm can be expected at some places in Trincomalee and Batticaloa districts.

Several spells of showers may occur inNorthern-central and Uva provinces.

Showers or thundershowers will occur at a few places in Western, Central and Sabaragamuwa provinces and in Galle and Matara districts after 2.00p.m.

Fairly heavy falls about 50 mm are likely at some places.

Fairly strong gusty winds (30-40)kmph can be expected in Northern, North-Central, Eastern, and North-Western provinces.

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 :	1-Dec-2020
City	Temperature (⁰C)		Relative Humidity (%)		Weather
City	Max	Min	Max	Min	Weather
Anuradhapura	29	25	95	75	Several spells of showers
Batticaloa	31	25	95	80	Showers or thundershowers at times
Colombo	29	25	95	75	Showers or thundershowers are likely after 2.00p.m
Galle	29	24	90	80	Showers or thundershowers are likely after 2.00p.m
Jaffna	29	24	95	90	Showers or thundershowers
Kandy	26	21	95	75	Showers or thundershowers
Nuwara-Eliya	18	13	95	70	Showers or thundershowers
Ratnapura	28	23	95	70	Showers or thundershowers
Trincomalee	30	25	95	85	Showers or thundershowers at times
Mannar	29	27	95	80	Several spells of showers