Warning Description: There is an increased likelihood of severe lightning associated with thundershowers at several places in the following areas during the evening or night. Heavy falls above 100mm are likely at some places in Western, Sabaragamuwa, Central and Uva provinces and in Galle and Matara districts. Strong gusty winds of 60–70 kmph and very rough sea conditions can be expected temporarily during thundershowers in the sea areas.
Action Required: • Stop paddy and plantation work, outdoor sports and construction when storms approach. • Move into a substantial building or an enclosed hard-topped vehicle; do not shelter under trees, open huts, tents or bus halts. • Avoid open fields, hilltops, beaches, tanks, rivers and other water bodies. • Fishermen and small-boat operators should not go to sea and should return to shore early. • Avoid bathing, using wired phones and handling electrical appliances during thunder. • Avoid travelling on tree-lined roads and through flooded roads. • Follow flood warnings and landslide warnings. • Protect livestock, crops and property, and be ready to move to a safe shelter if advised. Damage Expected: • Widespread thunderstorms with frequent lightning, strong gusty winds and heavy rain. • Risk of injury or death for people in open areas such as paddy fields, plantations, playgrounds, beaches, and for people on boats. • Trees uprooted and damage to roofs of non-engineered houses, including tin and thatched roofs. • Localized flash floods and slope failures in vulnerable areas. • Power and communication interruptions and damage to electrical equipment. • Damage to crops, plantations and livestock. • Dangerous conditions for small fishing boats and craft. • Disruption to road, rail and air transport.
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