A depression over southwest Bay of Bengal, which had intensified into the cyclonic storm
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/cyclone-laila-may-stall-monsoon-advance-1-2-days
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bay-bengal
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/weather-predictions
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/monsoons
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cyclones
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indian-meteorological-department-imd