Prediction of the potentially devastating impact of landfalling tropical cyclones(TCs)relies substantially on numerical prediction *** to the limited predictability of TCs and the need to express forecast confidence a...
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Prediction of the potentially devastating impact of landfalling tropical cyclones(TCs)relies substantially on numerical prediction *** to the limited predictability of TCs and the need to express forecast confidence and possible scenarios,it is vital to exploit the benefits of dynamic ensemble forecasts in operational TC forecasts and ***,TCWCs,and other forecast centers value probabilistic guidance for TCs,but the International Workshop on Tropical Cyclones(IWTC-9)found that the“pull-through”of probabilistic information to operational warnings using those forecasts is ***-9 recommendations led to the formation of the WMO/WWRP Tropical Cyclone-Probabilistic Forecast Products(TC-PFP)project,which is also endorsed as a WMO Seamless GDPFS Pilot *** main goal of TC-PFP is to coordinate across forecast centers to help identify best practice guidance for probabilistic TC ***-PFP is being implemented in 3 phases:Phase 1(TC formation and position);Phase 2(TC intensity and structure);and Phase 3(TC related rainfall and storm surge).This article provides a summary of Phase 1 and reviews the current state of the science of probabilistic forecasting of TC formation and *** is considerable variability in the nature and interpretation of forecast products based on ensemble information,making it challenging to transfer knowledge of best practices across forecast *** among forecast centers regarding the effectiveness of different approaches would be helpful for conveying best *** collaboration with experts experienced in communicating complex probabilistic TC information and sharing of best practices between centers would help to ensure effective decisions can be made based on TC ***,forecast centers need timely access to ensemble information that has consistent,user-friendly ensemble *** consistency across forecast centers in data accessibility,probabilistic forecast pr
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