May 9
edit1785: James Pollard Espy a prominent early meteorologist who pioneered theories of atmospheric convection, was born in Pennsylvania.
1990: A severe tropical cyclone made landfall in the Andhra Pradesh state of India, killing nearly 1,000 people.
2002: Cyclone Kesiny made landfall near Antsiranana, Madagascar, killing 33 people. Kesiny was the first tropical cyclone on record in the South-West Indian Ocean to make landfall in the month of May.
2007: Subtropical Storm Andrea formed off the coast of Florida, causing high winds which contributed to major brush fires.