https://phys.org/news/2018-12-nasa-newly-tropical-cyclone-cilidaa.html

Satellite imagery shows a consolidating system with a weak and partially exposed low level circulation. The Joint Typhoon Warning Center noted that "fragmented formative rain bands are spiraling in mostly from the east."

On Dec. 19 at 10 a.m. EST (1500 UTC), the center of Tropical Cyclone Cilida was located near latitude 11.6 degrees south and longitude 60.6 degrees east. That's about 544 nautical miles north-northeast of Port Louis, Mauritius. Cilida is moving to the south-southwest. Maximum sustained winds were near 35 knots (40 mph/65 kph).