While observational flights have improved forecasts for many storms in the Americas, such flights have been far fewer for storms that have hit Asia.

Pulasan made landfall near the Chinese megacity, days after it was hit by its strongest typhoon in decades, bringing flood and landslide risks.

At least four people died and thousands were evacuated after Yagi, one of the strongest storms to hit northern Vietnam, brought powerful winds and torrential rains.

Yagi, one of 2024’s strongest storms, hit the southern Chinese island of Hainan on Friday. It is forecast to make landfall in Vietnam on Saturday.

The storm has killed at least 13 people in the Philippines and is forecast to be the strongest to hit Hainan Province in a decade.