To monitor the implementation of existing priority projects within the Working Group and to further develop other appropriate research projects as the need arises, under the main programme components: tropical cyclones and monsoons;
To identify and support the research initiatives of NMHSs in tropical countries generally including collaboration with groups in universities or research institutes, which are likely to lead to societal and economic benefits; and
To keep developments in research aspects of the Tropical Cyclone Programme (TCP) under continuous review and facilitate the coordination of research at regional levels by maintaining close liaison with tropical cyclone regional bodies.
The First Monsoon Heavy Rainfall Workshop was held in Beijing, China from 12 to 14 October 2011. Organized by WWRP's Monsoon Panel led by Prof C.P. Chang, participants at the workshop
presented and discussed recent research results on the observation, modelling and prediction of heavy rainfall in the monsoon region. NMHS forecasters in the monsoon region participated in the 3-day event essentially to benefit from the training aspect of the workshop. The workshop also discussed and evaluated a proposed international field and modelling project on summer monsoon heavy rainfall in southern China which will be forwarded in early 2012 to the JSC WWRP for endorsement.
The International Workshop on Rapid Change of Tropical Cyclone Intensity and Movement was held in Xiamen, China from 18-20 October 2011. Organized by the former Chair of WWRP's WGTMR, Prof Chen Lianshou, the workshop was attended by 53 tropical cyclone researchers and forecasters.The workshop highlighted recent advances in the theory and practice of forecasting rapid changes in tropical cyclone intensity and track.
WWRP is pleased to announce that the WMO-TLFDP website is now online and can also be accessed through the WWRP Tropical Cyclone Website. The Typhoon Landfall Forecast Demonstration Project (TLFDP) is a collaborative effort with the THORPEX North Western Pacific Tropical Cyclone Track Ensemble Forecast Research Project. Endorsed by WWRP, TCP and PWS the TLFDP
was envisioned to complement the Shanghai MHEWS project and will collect, integrate and display real-time or near real-time forecast results for both landfalling and non-landfalling typhoons, including their track, intensity, wind and rain distribution. The FDP will also develop and integrate techniques to evaluate and assess the accuracy of forecast of time and location of landfall, gale distribution, and torrential rain, calculate forecast errors of various systems and make a comprehensive analysis of forecast performance, evaluate the reliability of the forecasts and finally assess the social and economic impacts of an improved tropical cyclone forecast service. The website is hosted by the Shanghai Typhoon Institute of CMA's Shanghai Meteorological Bureau.
The article "Climate Bridging Weather and Climate in the Research and Forecasts of the Global Monsoon System" has been published in the March 2011 issue of the Bulletin of the American Meteorological Society. The article by CP Chang, NC Lau, Richard H. Johnson and Meiyan Jiano is a summary of discussions, recommendations and scientific papers presented at the Fourth International Workshop on Monsoons (IWM-IV) held in Beijing. China from 20 to 25 October 2008.
The Proceedings of IWTC-VII (La Réunion, France, Nov 2010) is now available for download - WMO-TD 1561
The Seventh International Workshop on Tropical Cyclones (IWTC-VII) was held in La Réunion, France from 15 to 20 November 2010. Co-Chaired by Dr Chris Velden (UW-CIMSS) and Dr Jeff Kepert (BoM Australia), the workshop was one of WMO's major quadrennial workshop series.The first IWTC was held in Bangkok in 1985 and since then it has been held at various places once every four years. Jointly organized by WMO's World Weather Research Programme (WWRP) and Tropical Cyclone Programme (TCP), the workshop is a special and unique gathering of tropical cyclone researchers and warning specialists from all regions affected by tropical cyclones.This is the first time that an IWTC was held in RA I (Africa).
If twenty-first century warming occurs as projected, the maximum wind speed of tropical cyclones will likely, on average worldwide, increase 2 to 11 per cent, while rainfall rates will increase approximately 20 per cent within 100 kilometres of a storm centre, according to the WMO Expert Team on Climate Change Impacts on Tropical Cyclones. Publishing the projections in Nature Geoscience in March 2010, the experts concluded that the total number of tropical cyclones worldwide will likely either decrease or remain unchanged. However, a likely increase in tropical cyclone intensity means that the frequency of the strongest tropical cyclones will more likely than not increase under the projected warming scenarios. Info Note 62
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