Polar Front Theory - Development and Evolution of a Wave Cyclone, Cont.

(d) - As the cold front moves swiftly eastward, the systems starts to occlude.

  • Storm is most intense at this stage

  • have an occluded front trailing out from the surface low

  • triple point/occlusion - is where the cold, warm and occluded fronts all intersect

image adopted from Understanding Weather and Climate by Aguado and Burt, 1999 by Prentice-Hall, Inc