What Does an Occluded Front Indicate on a Synoptic Chart?

[Gondur]

Hello,

I wonder if you might be able to help me understand what's happening on this synoptic chart?

What I can see, there appears to be an occluded cyclone in the Atlantic moving North/Eastwards.

I'd like to know why there is an extended cold front and warm front merging in the centre of the occluded front?

What does this mean exactly? What is happening here?

 

[DrDu]

I don't know meteorology too well but let's try: There's a warm front followed by a cold front which merge at 15W 58N. In the NW of it, you have an inclusion front.

 

[davenn]

I'd like to know why there is an extended cold front and warm front merging in the centre of the occluded front?

the cold front is indicating a trough coming out from the low pressure area and the warm front a ridge from the same low.
As the cold front catches up with the warm front, it produces an occluded front indicated in the blue area. It is indicating
that the merging of the cold and warm fronts ( in the red area) will continue to produce an occluded front of growing length towards the SE.

This is a reasonably common occurrence associated with deep low pressure regions ( cyclones)
It is also very common for ridges of high pressure (warm air masses) to be pushed out in front of a trough lineDave