Presentation on theme: "Tropical Cyclones and Climate Change Results from HiGEM Ray Bell Supervisors – Prof. Pier Luigi Vidale, Dr. Kevin Hodges and Dr. Jane Strachan Trop goup."— Presentation transcript:
Tropical Cyclones and Climate Change Results from HiGEM Ray Bell Supervisors – Prof. Pier Luigi Vidale, Dr. Kevin Hodges and Dr. Jane Strachan Trop goup – 10th Oct
Will there be a change in TC activity (location, intensity, frequency, lifetime, structure) with climate change? How does this change depend on resolution? How well are the governing mechanisms represented in climate models and how does resolution affect their representation? What is the role of teleconnections - Possible ENSO changes on NAtl TC activity? [What is the role of coupling with the ocean?] PhD questions
Explaining the change of TC activity – Change in parameters relevant to TCs: SST, vws, RH, -ω Investigating the ENSO teleconnections on TCs (and possible ENSO change) - Change in NINO3.4 SSTs - El Niño composites vs. La Niña composites Current work
Tighter filter on storms. Warm core testing between individual levels (still applying dec. Vor. With height) Test for cold core at lower levels and warm core aloft Removes monsoon type depressions New warm core level TRACKing
Future work More analysis explaining the TC change – change in Walker and Hadley plots TCs in different resolutions and climate change simulations Changes in SH ENSO influence on NATL activity - compare IBTrACS and re- analysis to HiGEM present day simulation.
2 types of ENSO in HiGEM Kug and Ham (2011) Investigate change in TC activity with the 2 types of El Nino. Investigate the change in types of ENSO in HiGEM inc. CO2 and the TC relation