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DEPARTMENT OF METEOROLOGY SRI LANKA

ADVISORY

2023-12-01

Advisory for strong winds and rough seas. Issued by the Natural Hazards Early Warning Centre At 11.00 p.m. 30 November 2023 for the period until 11.00 p.m. 01 December 2023

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WEATHER FORECAST FOR 01 DECEMBER 2023

Issued at 05.30 a.m.on 01 December2023

Further enhancement of showery condition is expected over the island due the low-pressure area existing in southeast Bay of Bengal.

Showers or thundershowers will occur at times in Northern, North-central and Eastern provinces. Heavy showers about 100 mm are likely at some places in Eastern province and in Polonnaruwa and Mullaitivu districts.

Showers or thundershowers will occur at several places in other provinces of the island after 01.00 p.m. Fairly heavy showers about 75 mm are likely at some places in Western and Sabaragamuwa provinces and in Galle and Matara districts.

Showers may occur in Southern province during the morning too.

The 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 01 December 2023

A low-pressure area was located over south Andaman Sea and adjoining southeast Bay of Bengal is likely to move west-northwestwards and intensify into a depression over South-east Bay of Bengal within next few hours and it will further develop in to a cyclonic storm.

It is dangerous to engage in activities in the sea areas off the coast extending from Mannar to Batticaloa via Kankasanthurai and Trincomalee. Therefore, Naval and fishing communities are advised not to venture into the above sea areas until further notice.

Fishing and naval community are requested to be attentive to future forecasts issued by the Department of Meteorology in this regard.

Condition of Rain:

Showers or thunder showers will occur at times off the coast extending from Puttalam to Galle via Mannar, Kankasanthurai, Trincomalee, Pottuvil and Hambantota. Showers or thundershowers will occur at several places in the other sea areas around the island particularly during the evening or night.

Winds:

Winds will be north-easterly and wind speed will be (30-40) kmph in the sea areas off the coast extending from Galle toBatticaloa to via Colombo, Puttalam, Kankasanthurai and Trincomalee. Wind speed may increase up to(60-70) kmph in the sea areas off the coast extending from Mannar to Batticaloa via Kankasanthurai and Trincomalee.

Winds will be south-westerly or variable in direction in the other sea areas around the island and wind speed will be (20-30) kmph.

State of Sea:

The sea areas off the coast extending from extending from Mannar to Batticaloa via Kankasanthurai and Trincomalee will be rough. The other sea areas around the Island may be fairly rough.

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 30 November2023

Showery weather condition is expected to enhance over the island due to low-pressure area over Southeast Bay of Bengal Sea area and North-East monsoon is gradually getting established over the island.

Showers or thundershowers will occur at times in Northern, North-central and Eastern provinces. Heavy showers about 100 mm are likely at some places in Eastern province and in Polonnaruwa district.

The 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-2023
City	Temperature (0C)		Relative Humidity (%)		Weather
City	Max	Min	Max	Min	Weather
Anuradhapura	31	24	95	70	Showers or thundershowers at times
Batticaloa	30	24	95	80	Showers or thundershowers at times
Colombo	31	24	90	70	Showers or thundershowers after 2.00p.m
Galle	30	25	90	75	Showers or thundershowers
Jaffna	30	23	95	70	Showers or thundershowers at times
Kandy	30	20	95	65	Showers or thundershowers after 2.00p.m
Nuwara-Eliya	20	12	95	85	Showers or thundershowers after 2.00p.m
Ratnapura	32	23	95	70	Showers or thundershowers after 2.00p.m
Trincomalee	29	24	95	85	Showers or thundershowers at times
Mannar	30	24	90	70	Showers or thundershowers at times

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Description - The website "https://weather.meteo.gov.lk/" is a platform dedicated for providing precise and reliable weather information in Sri Lanka. It serves as an official source of meteorological data, maintained by the Meteorological department of Sri lanka. The website aims to deliver more reliable up-to-date weather forecasts, warnings and observations to the public, businesses, and different interested sectors in Sri Lanka. In addition to the basic weather data, the website also provides insights into climate patterns, seasonal variations, and other meteorological phenomena relevant to Sri Lanka. This can be particularly useful for individuals planning outdoor activities, farmers monitoring weather conditions for agricultural purposes or for businesses making decisions depending on the prevailing weather.