https://cdnph.upi.com/ph/st/th/3821781023402/2026/i/17810238182715/v1.5/Central-America-on-high-alert-for-tropical-storm-Cristina.jpg" /> Tropical Storm Cristina has placed Central America on high alert after forming in the Pacific Ocean, triggering heavy rainfall, evacuation warnings and leaving at least five people missing due to rough seas and flooding.