NP4 Nonlinear waves, coherent structures and natural hazards .3 Extreme weather events, their mechanisms and prediction - Poster Session Convener: Eidelman, A. Display Time: Monday, 09:00 - Tuesday, 19:00 Authors in Attendance: Tuesday, 12:30 - 14:30 Poster Area: Statenhal NP Area Chairperson: Golbraikh, E. Editor: Golbraikh, E. NP007 GOLDBAUM, B.; BRANOVER, H.; MOISEEV, NP4.3-003 S.S. Certain features of a helical vortex NP008 BRZOVIC, N.; TAFFERNER, A. NP4.3-004 Signatures of potential vorticity in the lower troposphere over the Adriatic during a cyclonic borastorm NP008A GRANBERG, I.G. NP4.3-005 Investigation of anomalous strongly turbulized layers in the atmospehre at the height of 15-25 km