Matmo strengthened from a tropical storm to a storm with hurricane-force in the overnight hours of Nov. 7.
NASA-NOAA's Suomi NPP satellite passed over the Bay of Bengal, Northern Indian Ocean and found Matmo appeared more organized.
Warnings are in effect in northeastern India and Bangladesh as Matmo approaches.
The India Meteorological Service (IMS) has issued a cyclone watch for the Odisha-West Bengal coasts.
Odisha is a state in India.
Odisha has 301 miles (485 kilometers) of coastline along the Bay of Bengal from Balasore to Ganjam.