It requests residents of earth slip prone areas to remain vigilant for signs of earth slips and evacuate immediately.
Already, 15 families have been taken to safety from one such area in Nivitigala.
Meanwhile, the Met Department forecasts a continuation of rains in the central, Sabaragamuwa and Uva provinces and in the Galle, Matara and Kalutara districts.
The sluices of Rajanganaya, Deduru Oya, Kukule Ganga, Victoria, Thabbowa and Parakrama Samudra have been opened.
The Centre requests the public to take precautions to avoid lightning hazards.