After announcing flash flood threats along the entire Nilvala River basin in the Southern Province since yesterday morning, the Disaster Management Centre last evening said the river waters were somewhat receding, but the authorities maintained the bad weather warnings for the whole southern half of the island. Stormy sea alerts have been issued for most of the island’s coastline except the North.The Disaster Management Center (DMC) warned the public in the Matara, Kadawath Sathara, Thihagoda, Malimbada, Kamburupitiya, Akuressa, Athuraliya and Pitabeddara Divisional Secretariat Divisions to be vigilant for flash floods due to the continuous heavy rains experienced in the area during the weekend. DMC sources told the Daily News that the water levels of the Nilvala River rose causing a major flood situation in Panadugama and, a minor flood situation in Urava, while the Pitabeddara area remains at the alert level due to the heavy rains.