Summary: An adjoint sensi,vity study of extratropical
transi,on: Floyd (1999) and a few comments about
adjoint sensi,vity fields
Michael C. Morgan
University of Wisconsin - Madison
· Iden2fica2on of the key antecedent weather systems and dynamical
processes responsible for the transi2on of
· Formula2on and use of an adjoint-derived ini2al condi2on perturba2ons
to confirm synop2c interpreta2on.
· Descrip2on of some recent work understand the adjustment of of adjoint
sensi2vity fields towards balance
Mo2va2on: improved understanding of the dynamics and targeted observing
of ET.
Hurricane Floyd 1999
Hurricane Floyd 1999
Prior studies: Atallah and Bosart (2003) and Colle (2003)
image from Little Falls, NJ Fire/Rescue
36h evolu,on of upper and lower tropospheric PV for Floyd (1999)
A
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Source: Anisimov, Mikhail - Institute for Physical Science and Technology & Department of Chemical Engineering and Biomolecular Engineering, University of Maryland at College Park

Collections: Physics; Materials Science