31.   The spoiler in the weather picture is a persistent upper level low pressure trough located in the Windward Passage.

32.   There is a weak low pressure trough across the Dominican Republic which is causing extensive cloudiness Scattered showers and isolated thunderstorms over the south half of Hispaniola.

33.   This low pressure trough to the north will interact with an approaching tropical wave to produce showers and thunderstorms across Puerto Rico and the Virgin Islands through Thursday.

34.   This tropical wave is expected to interact with an upper level low pressure trough that was located just to the west of the Lesser Antilles this morning.

35.   This activity was associated with an almost stationary low pressure trough located over the Atlantic that has been responsible for the unstable weather conditions of the past two days.

36.   Weak low pressure trough this morning extending southwest to near the Turks and Caicos islands will move southeast with trough moving into local Atlantic waters Friday.

37.   Rajendranath Goldar, director of the Alipore Meteorological Office in Calcutta, said the storm had developed due to a low pressure trough in West Bengal.