Tropical Storm Irina kills over 75 as it passes through Madagascar.

Severe Tropical Storm Irina was a large tropical cyclone that brought gusty winds and torrential rain across Madagascar, Mozambique, and South Africa. Irina is considered one of the most devastating systems of the 2011–12 season. Irina formed from a tropical wave that was located north of Madagascar. The disturbance continued to move south and became Irina on February 27. Irina moved parallel to the Madagascar coast, causing extreme flooding which claimed 77 lives. The system still has an unknown damage total.

Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's fourth-largest island, the second-largest island country, and the 46th-largest country overall. Its capital and largest city is Antananarivo.

March 5 is the 64th day of the year in the Gregorian calendar; 301 days remain until the end of the year.