Earlier today, I saw 2 pictures ... and my brother texted me to say that his car could not get across town, Castries.  His car was drowning, he had to turn back and head north to Gros Islet!
For more pics of Flash Flooding:
Flash Floods November 18, 2010 By Erene Charlemagne - these pictures were taken at the George F.L. Charles (Vigie) Airport in Castries, St.Lucia

November 18, 2010 St. Lucia Flooding