21.   The upper trough is then expected to move very close to the area Tuesday and Wednesday to create unstable atmospheric conditions.

22.   The wind circulation from this trough extends across our local area and will maintain very unstable conditions through tonight.

23.   This is expected to create very unstable conditions which may lead to very heavy rainfall and flash flooding.

24.   This will create very unstable conditions over the local area.

25.   These unstable conditions are expected to persist across our local region for the next couple of days, including the election day.

26.   These unstable conditions and ample moisture are forecast to persist across the local area again on Friday for similar weather conditions.

27.   This is expected to produce moderately unstable conditions in the middle and upper atmosphere through this evening to allow for heavy showers and a few strong thunderstorms to develop.

28.   This will result in increasingly unstable conditions across the area.

29.   This will result in unstable conditions across our area and the possibility of heavy rain in western Puerto Rico this afternoon.

30.   This morning shower activity is an indication of unstable conditions in the lower levels of the atmosphere...And hints that afternoon showers are quite possible later this afternoon.