Forecasters use a variety of observational information from satellites and aircraft to determine the current location and intensity of the storm. This information is used along with computer forecast models to predict the future path and intensity of the storm.

What are the needed data in tracking a typhoon?

Comprehensive data are needed on typhoon development, position, intensity, structure, speed of movement and interaction with surrounding synoptic air flows.

Which is needed to track the location of a typhoon in a map?

In order to use a hurricane tracking chart, one needs access to latitude/longitude pairs of the cyclone's center and maximum sustained wind information in order to know which symbol to depict.