The 1978 cyclone in Eastern province (JTWC designation: 04B) was the strongest tropical cyclone to strike Eastern province of Sri Lanka on November 23, 1978. The cyclone was started at local time 6.30 pm and continued to next day morning and damaged the areas from Trincomalee to Arugam bay. In eastern province, Akkaraipattu, Ninthavur, Kalmunai, Pattiruppu, Chettipalayam, Thalankudah, Kattankudy, Batticaloa, Eravur and Kalkudah were most affected area due to cyclone’s vortex zone.[2]