Severe Weather Forecasting Demonstration Project Regional Subprojects for the Bay of Bengal and for Southeast Asia – Training Workshop on Severe Weather Forecasting and Warning Services. Macau – China 8 – 19 April 2013. Maldives Meteorological Service. The MALDIVES. 19 Atolls. 1200 Islands.
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Severe Weather Forecasting Demonstration Project Regional Subprojects for the Bay of Bengal and for Southeast Asia – Training Workshop on Severe Weather Forecasting and Warning Services
Macau – China 8 – 19 April 2013
Maldives Meteorological Service
FLASH FLOOD ……… 2012
STRONG WINDS ……… Frequent
THUNDERSTORM ……… Frequent
TIDAL OR SWELL WAVES ……. 1987, 2007
STORM ……… 1991
Source: Indian Meteorological Department
“Depression formed over southeast and adjoining southwest Bay of Bengal at 06:00 UTC of 28 October 2012 near latitude 9.5°N and longitude 86.0°E moved westwards and intensified into a deep depression in the morning of 29th October over southwest Bay of Bengal near latitude 9.0°N and longitude 83.0°E, and continued to move westwards and intensified into a Cyclonic Storm, ‘NILAM’ in the morning of 30th October over southwest Bay of Bengal off Sri Lanka coast. The Cyclonic Storm, NILAM then moved northwestwards, crossed north Tamilnadu coast near Mahabalipuram, south of Chennai between 1600 and 1700 hrs IST of 31st October 2012. After the landfall the cyclonic storm, NILAM moved west-northwestwards and weakened gradually into a deep depression and then into a depression over south Interior Karnataka in the morning of 01st November 2012”
The strong winds duration was prolonged further until end of October and part of southern atolls also reported strong wind on 31st October.
RIMES shared its experimental forecast on 29th October 2012 for NILAM Cyclone about the characteristics of the cyclone, The landfall of Cyclone NILAM on 31 October 2012 was well predicted by RIMES WRF experimental forecast.
The six hourly forecast simulations for wind speed and rainfall parameters were shared to MMS.
The Inter Tropical Convergence Zone (ITCZ) shifted southwards close to equator on 5th November and very intense convective clouds formed over southern Maldives.
Torrential rain measured 132 mm in SIX hours caused severe flood in Fuvahmulah - 6 November 2012 .
Creatures from the Sea
Phase 3PREPAREDNESS and WARNING
Maldives Meteorological Service is mandated for issuing advisories and warnings related to meteorological, hydrological, tectonic and oceanographic disasters. MMS formulated a Project to be complete in 3 phases in establishing a full fledge Early Warning System.
Upgrading of GTS,
-Installation of Doppler
Satellite Receiving System.
-Two Automatic Weather
Stations install at
One short-period seismo-
meter installed in
Gan- Addu Atoll.
2 Broadband Seismometers
install in Hanimaadhoo &
-Internet service 5mbps
to 10mbps and a redundant
VSAT internet service is
-10 Automatic Weather
Stations to be installed.
To act upon any likely event of meteorological, hydrological, tectonic and oceanographic disasters, National Early Warning Centre prepared the Standard Operating Procedures (SOP)
PREPAREDNESS and WARNING …….