Hydromet service in rain warning

The Hydrometeorological Service this afternoon issued a warning about impending heavy rainfaill.
An abridged statement follows:
Heavy and continuous precipitation will be observed over the next 6-36 hours over Guyana with the passage of a Tropical Wave which is expected to interact with an Upper Level Trough and Sub Tropical Jet.
Synopsis: An upper level trough and the Sub-tropical Jet are interacting with a tropical wave; these features are currently affecting and will continue to affect Guyana during the next 6 to 36 hours. Weather conditions are likely to deteriorate as the Jet entrance migrates over Guyana from time to time.
Associated weather: Regions across Guyana will experience mostly overcast skies; coastal and inland areas will experience continuous moderate to heavy rain and thundershowers. Periodic high intensity rainfalls are anticipated in areas of Regions 2 to 5. Precipitation is expected to be less intense over all other locations.
Twenty-four hours accumulated rainfall amounts are expected between 40 mm and 80 mm over Regions 7, 8 and 9 and in excess of 120 mm over Regions 1 to 6 and 10.
Possible effects of Weather: With the current and forecasted weather conditions, there exist high probabilities that water accumulation and flooding WILL be observed. Hilly areas are likely to experience landslides.