Eastern Caribbean Weather update
A shear line is causing some fast-moving showers across the Windwards Islands. It has weak support from an upper trough.
Surface trough with areas of eastward moving showers(few heavy) extends over the Leewards from a complex developing low pressure to the north and northeast.
Periods of Heavy Rainfall are to affect the Islands Rest of the Week ... Localized Flash & River Flooding + Landslide Risk is Elevated (Could Become More Likely with Successive Days of Rain)
Significant flash flooding and landslides have been reported in the Windwards. Heavy to very heavy rainfall fell on parts of Dominica, Martinique and Saint Lucia this afternoon to after sunset.
Trinidad and Tobago Meteorological Service have issued the second riverine flood alert, which is now at a Yellow level
The ITCZ is active over these islands with an upper low/trough active near Leewards. The Upper trough is starting to exert influence on the ITCZ and induce a low to mid-level trough to the east of the Lesser Antilles.