1. IWTC-9
Honolulu, Hawaii, USA
3-7 December 2018

2. OBJECTIVE
To review recent progress in tropical cyclone (TC) operations and research.
To identify needs and opportunities in TC operations and research.
To foster communication between the operational and research communities.
To make recommendations to WMO, and to the research and operational communities, for actions that will improve the global knowledge of and response to TCs.

3. PAST IWTCs IWTC Bangkok (1985) (11) Prof William M. Gray
IWTC-II Manila (1989) (12) Dr Greg Holland
IWTC-III Huatulco (1993) (10) Mr Jerry D. Jarrell
IWTC-IV Hainan (1998) (10) Dr Gary Foley
IWTC-V Cairns (2002) (10) Prof Russell Elsberry
IWTC-VI San Jose (2006) (10) Mr CY Lam & Prof Johnny Chan
IWTC-VII St Gilles (2010) (6) Dr Jeff Kepert & Dr Cris Velden
IWTC-VIII Jeju (2014) (5) Mr Andrew Burton & Prof Jenni Evans
IWTC Honolulu (2018) (5) Dr Mike Brennan & Prof Yuqing Wang

4. Co-Chairs: Prof Yuqing Wang & Dr Mike Brennan

5. IWTC International Committee
Members:
Yihong DUAN (Chair Working Group on Tropical Meteorology Research (WGTMR))
Johnny CHAN (Chair Tropical Cyclone Panel/WGTMR)
 TC Researchers:
Espie CAYANAN (Chair Expert Team (ET) Observation Processes and Prediction)
Phil KLOTZBACH (Chair ET Seasonal TC Forecasts)
Tom KNUTSON (Chair ET Climate Impacts on Tropical Cyclones)
Robert ROGERS (Chair ET Landfall Processes)
TC Forecasters:
Lixion AVILA (Representative RSMC Miami - USA)
Andrew BURTON (Representative of TCWCs of Region V)
Philippe CAROFF (Representative, RSMC La Reunion - France)
Ravind KUMAR (Representative, RSMC Nadi – Fiji)
M MOHAPATRA (Representative RSMC New Delhi - India)
Hisaki EITO (Representative RSMC Tokyo - Japan)
Invited Experts:
Zhiyu LIU Hydrology 
Shishir DUBE Storm Surge
Linda ANDERSON-BERRY Society & Economy
Jing CHEN Verification
Raymond TANABE Chair Local Organizing Committee

6. Sub-topic Leads/Rapporteurs
Help organize and lead subtopic rapporteurs, provide topic summary report at IWTC, formulate recommendations.
Sub-topic Leads/Rapporteurs
Organize and lead subtopic working groups, prepare report and present at IWTC, assist topic chair.
Members of Working Groups
Help rapporteurs to prepare a comprehensive report updating subtopic research and operational applications, attend IWTC if possible to participate in topic discussions and deliberation of recommendations.

7. Pre-Workshop Report
Plenary session
Breakout Sessions
Recommendations Committee

8. Special Focus Session Leads
Keynote Speakers
Prof Russell Elsberry
“ Toward improved analyses & forecasts of TC Structure & more effective probabilistic TC hazard information & warning”
Dr Sarah Jones
“ WWRP: catalyzing innovation in weather science internationally”
Special Focus Session Leads
Presents an expert review on a topic of current interest and relevance.

9. Local Organising Committee
Raymond Tanabe
Workshop Logistics
International Organising Committee
Advise Co-Directors
Approve IWTC organizational and content decisions
Recommendations Committee
Chairperson: Dr Robert Rogers
Finalize set of recommendations from IWTC-9

10. THEME:
Toward improved analyses and forecasts of TC structure and more effective probabilistic TC hazard information and warnings
KEY TOPICS
Cyclogenesis
Tropical Cyclone Track
Tropical Cyclone Intensity Change
Tropical Cyclone Structure Analysis and Change
Tropical Cyclone Analysis and Remote Sensing
Communication of Forecast Uncertainty and warnings using Probabilistic Hazard Information
Tropical Cyclone Variability beyond the Synoptic Scale

11. SPECIAL FOCUS SESSIONS
Next Generation Meteorological Satellite Systems
Significant Tropical Cyclones in
Storm Surge Forecasts & Warnings
New Observation Strategies
New uses of UAVs in TC Research
Basic set of TC verification metrics for NMHSs
Global Multi-Hazard Alert Systems
Improving skill of TC Forecasts and the S2S database
SPECIAL TOPIC SESSION
Numerical Weather Prediction

12. STATISTICS
TOTAL REGISTERED PARTICIPANTS
FORECASTERS
RESEARCHERS
FEMALE
COUNTRIES
INTERNATIONAL ORG 3

13. Thank you
Merci