Cyclonic Storm Thane named by Burma was the strongest tropical cyclone of 2011 within the North Indian Ocean. Thane initially developed as a tropical disturbance within the monsoon trough to the west of Indonesia. Over the next couple of days the disturbance gradually developed further while moving towards the northwest, and was declared a Depression during December 25, before being declared Cyclonic Storm Thane during the next day. As it was named, Thane started to turn towards the west under the influence of a subtropical ridge of high pressure before its development slowed down during December 27, as a strong outflow and marginally favourable sea surface temperatures fought with persistent vertical wind shear. After its development had slowed down during December 27, Thane became a Very Severe Cyclonic Storm during December 28, before as it approached the Indian states of Tamil Nadu and Andhra Pradesh, it weakened slightly. Thane then made landfall early on December 30, on the north Tamil Nadu coast between Cuddalore and Pondicherry and rapidly weakened into a depression.


This image from EUMETSAT’s METEOSAT-7 satellite over the Indian Ocean shows co-occurring typhoons, Thane in the northern hemisphere on shore in India and Benilde over open ocean in the southern hemisphere. This rare line up of storms shows that storms in the northern hemisphere rotate counter-clockwise, while southern hemisphere storms rotate clockwise. This image was taken by METEOSAT-7 at 0530Z on December 30, 2011.

Pacific Disaster Center (PDC) is an applied science, information and technology center, working to reduce disaster risks and impacts to peoples’ lives and property.

PDC Provided a good GIS Application for monitoring live Global hazards. Image below showing path of Storm Thane in month of Dec.2011 it was display on PDC portal. For current weather information & live Global hazards data click on Image below.

PDC Global Hazards Atlas displaying 3 hour rainfall accumulation, along with typhoon Thane's error cones, storm track, and wind speeds...in the Bay of Bengal

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