Post on 23-Feb-2016
description
GRAPHICS FOR SANDY CYCLONE WORKSHOP PRESENTATION
Philippe Papin
Sandy Pre 2nd Trough Interaction
Strong Inner CoreWeak Outer Wind Core
Strong PV GradientWeak PV Gradient
Weak Mid Level Vortex
Strong Mid Level Vortex
PV Tower
350 K Trough Axis
Sandy Post 2nd Trough Interaction
Outer Wind Core Dominant
Broader PV Gradient
Mid-Level Vortex Merger
350 K PV Hook
Original PV Tower Destroyed
Initial Assessment
• 2nd Trough Interaction– Wind field broadens (as a result of broadening PV
gradient)– Merger of mid-level vortices– Original PV tower associated with TC is destroyed
in favor of a hybrid TC associated with an upper-level PV hook