Issued at 1900 GMT
Disturbance update
TROPICAL DISTURBANCE UPDATE
SOUTHERN INDIAN OCEAN
Update from JTWC at 1800 GMT
System 99S
Position 8.6S 75.9E
Location 213 miles ESE of Diego Garcia
Minimum central pressure 1005 mbar
Likelihood of tropical cyclone formation within 24 hours is now MEDIUM
