Before making landfall in Vietnam, the typhoon left a trail of devastation in the Philippines - including a minimum of 114 people dead.
The nation's leader Ferdinand Marcos Jr has proclaimed a disaster situation - defined by circumstances including significant loss of life, extensive property destruction, and halt to economic activities and everyday existence for residents of impacted regions.
The weather system, known locally as Tino, devastated the populous island of Cebu, submerging entire towns and sweeping cars through the streets.
Many thousands of people have been evacuated, with many taking refuge in designated safe zones.
Disaster personnel have started operations as evacuated residents find refuge in emergency centers.
The extent of this catastrophe has resulted in large-scale emergency response in the affected regions.
Rescue workers were captured engaged in extracting a victim at the site of a landslide in Cebu City.
Kalmaegi has made homeless more than 400,000 people in the Philippines.
Thoroughfares are coated with mud and photographs reveal stacks of vehicles scattered throughout the damaged regions.