1.   An extraordinary storm will form along the polar front in the Bahamas on Sunday.

2.   As the Pacific High weakens and the polar front drops south, the region sees a doubling of the monthly precipitation.

3.   A boundary called the polar front divides cold, dry air from the warm, moist air that originates in the tropics.

4.   A boundary called the polar front, separates cold, dry air masses from the warmth and moisture that originates in the tropics.

5.   A split in the jet stream will keep the supply of moisture separate from the potent disturbances along the polar front.

6.   Following this polar front is another cold front an arctic front that was located from near Jamaica northeastward through the Windward Passage and then out to the Atlantic.