11.   An upper level low pressure area remains southeast of the Virgin Islands this morning.

12.   An upper level low pressure system is located just west of Puerto Rico and drifting very slowly to the east.

13.   An upper level low pressure system across the western Caribbean will persist through Tuesday to produce unstable middle and upper atmospheric conditions across our region.

14.   An upper level low pressure system will be entering the eastern Caribbean on Sunday from the Atlantic.

15.   An upper level high pressure south of hispaniola is controlling the weather across the northeastern Caribbean.

16.   An upper level high pressure system centered over the Dominican Republic is suppressing the cloudiness and shower activity across the local area.

17.   An upper level low pressure system to our southeast will move toward our region this afternoon.

18.   An upper level low pressure trough remains in about the same location between Puerto Rico and the Virgin Islands as it has since Thursday.

19.   An upper level low pressure trough that was located across Puerto Rico and the Virgin Islands yesterday has weakened and moved east of the area.

20.   An old frontal boundary which is the remains of a cold front is drifting southward through the Atlantic and is aided by an upper level low pressure trough.