The India Meteorological Department (IMD) on Tuesday predicted that the cyclonic storm Yaas is going to intensity into a "very severe cyclonic storm" in the next 12 hours. "The severe cyclonic storm Yaas over east-central Bay of Bengal moved north-northwestwards with a speed of about 9 kmph during past six hours and lay centred at 9 UTC of May 24 over east-central Bay of Bengal," IMD said in its bulletin.