Infrared and visible imagery from NASA's Aqua satellite taken on May 25, 2012, showed an impressive Typhoon Sanvu already affecting the islands of Iwo To and Chichi Jima, Japan.

Tropical Storm 12S built up steam and became a cyclone on February 10, 2012 as NASA's Terra satellite passed overhead. Residents of east-central Madagascar should prepare for this cyclone to make landfall by February 13 according to forecasters.

The twelfth tropical depression formed in the Southern Indian Ocean today and quickly became a tropical storm, dubbed Tropical Storm 12S.

For the last two days, strong wind shear in the Arabian Sea has pushed most of the clouds and showers associated with Tropical Storm 5A away from its center.

Forecasters at the Joint Typhoon Warning Center were keeping a close eye on a low pressure area known as System 94S on Wednesday, and satellite data helped confirm that Thursday it has strengthened into Tropical Storm Bingiza.