21. A weak surface trough southwest of Puerto Rico will continue to move westward away from the region. 22. A weak upper level trough extending from the northeast Caribbean northeastward across the Atlantic influenced our area once again Thursday to produce active weather. 23. A weak surface trough remains stationary just north of our area and continues to influence the local weather. 24. A weak surface trough will continue moving west across the region this afternoon. 25. A weak surface trough will continue nearly stationary north of the islands. 26. A weak trough at the middle level of the atmosphere located northwest of our area will be moving to the southeast through Saturday night. 27. A weak trough in the lowest levels of the atmosphere has moved westward across the extreme east and northeast Caribbean and the Virgin Islands overnight and this morning. 28. A weak trough of low pressure in the lower levels of the atmosphere is moving slowly west through the northeast Caribbean today. 29. A weak frontal trough was located southeast of our region this morning and was becoming very diffuse. 30. A weak frontal trough...North of the islands...Is expected to approach our area on tuesday. |