Cyclone
Warnings
( Back to Cyclone Warning
Services )
Cyclone warnings
are disseminated through a variety of communication media, such as, radio,
television, print media, telephones, fax, telex, telegrams, police wireless
network. A specially designed Cyclone Warning Dissemination
System which works via the INSAT satellite provides area-specific
service even when there is a failure of conventional communication channels.
Warnings are issued for general public, fishermen, farmers and different
categories of users such as central and state government officials responsible
for disaster mitigation and relief, industrial and other establishments
located in the coastal areas, railways, aviation, communications and power
authorities.
The cyclone
warnings are issued two stages.The first stage warning known as "Cyclone
Alert" is issued 48 hours in advance of the expected commencement of adverse
weather over the coastal areas. The second stage warning known as "Cyclone
Warning" is issued 24 hours in advance. A ?Pre-cyclone Watch? may be instituted
prior to the cyclone alert and a post-landfall outlook is issued for areas
in the interior which may be affected by the cyclone as it continues to
move inland and dissipate. Regional Specialised Meteorological Centre
NHAC, New
Delhi, has been designated as the Regional Specialised Meteorological Centre
for Tropical Cyclones. It is one of the five such centres recognised by
the WMO under a global system for monitoring tropical cyclones. As an international
commitment, through the WMO/ESCAP Panel on Tropical Cyclones, tropical
cyclone advisories are issued by RSMC, New Delhi to the panel member countries
during the tropical cyclones in the Bay of Bengal and the Arabian Sea.
The advisory
messages are issue four to eight times a day. The ESCAP Panel countries
are Thailand, Myanmar, Bangladesh, Pakistan, Sri Lanka, Maldives and Oman.