Alex began to accelerate as it slowly engaged the westerly flow. The Polar front jet stream to the north of Alex associated with a weak occluding frontal system, at this stage is showing signs of weakening. The contrast and dark slot
is beginning to diminish
As you follow the sequence we can see that the bright white convective cloud within the hurricane center has now
broken down, the system is no longer a symmetrical convective system and is now beginning to develop frontal characteristics.