How IMD coordinates with National Disaster Management Division (NDM) of the Ministry of Home Affairs?
IMD has established linkages/institutional arrangements with disaster management agencies both at the centre and in the states. During normal weather conditions two bulletins are transmitted to Control Room of National Disaster Management Division (NDM). In a case of depression develops over north Indian Ocean which has the potential to affect Indian coast, special bulletins at-least three times a day are issued to NDM. When the system intensifies into a cyclonic storm, the cyclone warning bulletins are every three hourly. At present 4 stage warning procedure as discussed earlier is followed for issuing bulletins to NDM Control Room. When the system weakens or not going to affect Indian coast, a dewarning message is also issued to NDM Control Room. The cyclone warning bulletins are also passed on to State Government Authorities/District Collectors who are in constant touch with Cyclone Warning Centres. The centres and local committees consisting of various departments dealing with disa
