On October 13, the IMD began monitoring a tropical depression off the eastern coast of India.
On September 10 , 1991 the JTWC began monitoring a tropical depression in the northeastern portion of the basin.
On August 12, the Japan Meteorological Agency JMAA) began monitoring a tropical depression located to the south of Chichi-jima island.
Early on October 28, the IMD began monitoring a tropical depression located about 555 km (345 mi) south-southeast of Visakhapatnam in the Andhra Pradesh.
On February 23, Météo-France's office on the island of Réunion (MFR) started monitoring a tropical depression to the northeast of Madagascar.
The MFR began monitoring a tropical depression on December 25 about 900 km (550 mi) east-northeast of the northern tip of Madagascar.
On December 17, the JTWC began monitoring a tropical depression about 700 km (440 mi) west of Diego Garcia in association with the intertropical convergence zone (ITCZ), designating it as Tropical Cyclone 09S.
On December 31, the FMS began monitoring a new tropical depression, classified as 05F, roughly 600 km (375 mi) east-northeast of the Solomon Islands.
The JMA monitored a tropical depression east of Iwo Jima on July 25, although by the next day the agency was no longer tracking the system.
