Why cyclone Fani was difficult to Predict?

Cyclone Fani has left a trail of devastation on coastal Odisha. 34 people died due to the cyclone, which made landfall on May 3, 2019. With a wind speed of close to 250 kilometres per hour, Fani damaged houses and vehicles and knocked out the power supply infrastructure
But the most dangerous aspect of Fani was its unpredictability. Weather forecasters were flummoxed by the sudden change in its direction before the storm hit Odisha. It started as a low-pressure area over equatorial Indian Ocean Southeast of the Bay of Bengal on April 25. It first moved towards Sri Lanka and threatened to make landfall in Tamil Nadu. But it changed the direction and stayed in the Bay of Bengal for eight days. Fani turned in to a Very Severe Cyclonic Storm by absorbing warm water from the sea surface. Contrary to predictions by the Indian Meteorological Dept, Fani made landfall way before it was supposed to. At landfall it clocked windspeed ranging 175-185 kmph. But then it intensified rapidly clocking 250 kmph, only 10 kmph less than the 1999 Super cyclone — India’s strongest. Meteorologists believe global warming to be behind Fani’s unusual path. It is not the first such difficult-to-predict storm
Cyclone Ockhi that killed more than 200 people in Kerala and Tamil Nadu in 2017 was equally unpredictable.

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