Prof Jenni Evans

EMS Environment Institute

ESSC

Penn State

Summary of Research Interests

Understanding (1) the lifecycle evolution of tropical cyclones, and (2) their role in the climate system are the main foci of my research.

(1) Lifecycle evolution of tropical cyclones

(i) extratropical [and subtropical] transition of tropical cyclones:

Hurricane Danielle (1998) (Robert Hart);
Hurricane Irene (1999) (Barbara Mayes);
QPF assessment for operational models (Dave Robertson);
Hurricane Michael (2000).

(ii) development and applications of the cyclone phase space (with Robert Hart);

analysis of phase space structure and synoptic climatology (with Justin Arnott);
realtime global phase space analysis for operational models applied to tropical storm forecasting;
evaluation of genesis forecast skill of operational models (Aaron Pratt?);
development of a definition and climatology of subtropical cyclones (with Mark Guishard).

(iii) realtime simulation of tropical cyclones (with many collaborators in the Department of Meteorology);
(iv) interannual variability of tropical cyclones/tropical cyclogenesis (Robert Hart).

(2) The role of tropical cyclones and organized convection in the climate system

(v) climatological variation of organized tropical convection (George Tsakraklides); and

(vi) representation of the ITCZ and western Pacific monsoon in GCM (Steven Chan)

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Last Updated: 14 April 2003