Question

Which of the following is an obstacle to creating computer-based models for tracking a hurricane?
Answer

Most sources of data about hurricanes are anecdotal and unreliable.

all of the above

Hurricanes form over water, where it is difficult to observe them.

Forecasters must consider a large number of variables that affect the path of the storm.

Answer 1

I think it is the last option.

For creating trackings of hurricanes there are super computers that have a really advanced technology, being only around 1000 of them in the world, each one can cost 30Million dolars each year

Answer 2

Thank you :)