Catastrophic flooding has swamped Riviera, trapping residents in their homes and sending cars floating down streets. The Pembroke Pines News reports that rescue crews are working to reach people stranded by rising water as the storm pounds the area. Drivers were caught off guard as roads turned into rivers within minutes. Emergency officials are urging people to stay off the roads and move to higher ground if needed. Damage assessments will follow once the waters recede.