# Weather Warning for Severe Thunderstorms in Sri Lanka: Heavy Rain Above 100mm and Strong Winds Expected

- Link: https://www.weather.lk/weather-warning-for-severe-thunderstorms-in-sri-lanka-heavy-rain-above-100mm-and-strong-winds-expected/
- Published: 2026-11-10T13:58:38+05:30
- Author: WeatherLK

**Amber-level weather warning** for severe thunderstorms across several parts of
Sri Lanka, advising the public to remain alert and take necessary precautions.

### **Heavy Rainfall Above 100mm Expected**

According to the warning, there is an increased likelihood of severe lightning associated
with thundershowers at several locations during the evening and night.

Heavy rainfall exceeding 100 mm is likely at some locations in the Western, Sabaragamuwa,
Central and Uva provinces, as well as in the Galle and Matara districts.

The Department has also warned that strong gusty winds reaching speeds of 60–70 
kmph may occur temporarily during thunderstorms. Very rough sea conditions can also
be expected in the surrounding sea areas.

### **Areas Likely to Be Affected**

The warning covers several districts across the island, including Colombo, Gampaha,
Kalutara, Galle, Matara, Hambantota, Kandy, Nuwara Eliya, Badulla, Ratnapura, Kegalle,
Kurunegala, Puttalam, Jaffna, Kilinochchi, Mannar, Mullaitivu, Vavuniya, Trincomalee,
Batticaloa, Ampara, Monaragala, Matale, Polonnaruwa and Anuradhapura.

Some districts are included in full, while specific Divisional Secretariat areas
have been identified in Kurunegala, Puttalam and Anuradhapura districts.

### **Possible Impacts and Safety Precautions**

The authorities have warned of frequent lightning, heavy rain and strong winds that
could cause damage to houses, trees, crops and electrical equipment. Localised flash
floods and landslides may also occur in vulnerable areas.

The public is strongly advised to stop outdoor activities, including farming, plantation
work, construction and sports, when thunderstorms approach.

People should move into substantial buildings or enclosed hard-topped vehicles and
avoid taking shelter under trees, temporary huts or tents. Fishermen and small-boat
operators are advised to avoid going to sea and return to shore early.

Residents in landslide-prone and flood-prone areas should closely follow official
warnings and be prepared to move to safer locations if necessary.

The public is urged to remain vigilant throughout the warning period and follow 
updates issued by the Department of Meteorology and relevant authorities.

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