Vietnam's Prime Minister put coastal provinces on emergency footing for Typhoon Wipha, saying it could cause flooding and landslides, as airlines cancelled flights ahead of the storm's expected landfall early on Tuesday.

Satellite imagery can help determine the strength, size and cohesion of a storm. The stronger a storm becomes, the more likely an eye will form in the center. When the eye looks symmetrical, that often means the storm is not encountering anything to weaken it.

Thousands gathered at the airport on Monday morning to check in for flights after Typhoon Wipha led to the cancellation of 500 flights and another

El tifón Wipha derribó árboles y causó importantes interrupciones de vuelos el domingo en Hong Kong y en algunos aeropuertos cercanos en

VOV.VN - Typhoon Wipha, packing powerful winds and torrential rains, is expected to move into the Gulf of Tonkin on July 21, and strike the northern coastal provinces of Vietnam within the coming hours,

The wind force of Wipha was similar to Super Typhoon Saola that triggered the Hurricane Signal No 10 two years ago, even though Wipha was less

The Observatory has raised the 10 storm signal, as hurricane-force Wipha descends on China’s southern coast. After hoisting highest storm signal at 9:20am on Sunday, the Observatory said that the alert would probably stay in place for some time: “Do not go outside and stay away from exposed windows and doors.