Sri Lanka, India Face Flooding Threat From Former Cyclone

By Erik Pindrock, Meteorologist
January 5, 2014; 12:53 PM ET
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Tropical Cyclone One (01B) has dissipated. But, the remnants will affect Sri Lanka with heavy rain and gusty winds through the first part of next week bringing the threat for life-threatening flooding and mudslides.

Waves of rain fell across communities such as Trincomalee, Mannar and Anuradhapura this weekend, and the rain will continue to fall through Tuesday of the upcoming week.

There is a concern for flash flooding and mudslides across Sri Lanka which can wash roads away and make communication more difficult in the areas that see the heaviest rain.

Total rainfall map from Tropical Cyclone One through Wednesday, Jan. 8. This map was created by an meteorologist using Google maps.

The slow movement of the storm will bring 75-150 mm (3-6 inches) of rain to the northern two-thirds of Sri Lanka with localized higher amounts around 200 mm (8 inches) along the northern coast and across the highest terrain.

Approximately 25-75 mm (1-3 inches) of rain will fall along Sri Lanka's southern coast as well as across India's southeastern part of the Province of Tamil Nadu. While these amounts of rain should not cause major flooding, some flash flooding is still possible in the heaviest downpours.

Wind gusts between 40-60 kph will be common over northern Sri Lanka and near the coast of southeastern Tamil Nadu with some higher gusts to 80 kph in a couple of spots.

Satellite image of what is left of Tropical Cyclone One producing some shower and thunderstorm activity early Monday, local time

Tropical Cyclone One developed early Saturday morning close to 200 miles to the east of northern Sri Lanka. Due to the storms proximity to land, it never strengthened much and eventually dissipated. But, lingering moisture will fuel downpours from showers and thunderstorms.


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