How do you think meteorologists predicted the

arrival of a hurricane before the 1990s?

(Please help)

Meteorologist are professionals who study the weather and climatic conditions of an environment. They usually have large amounts of data from previous years.

Their predictions are usually according to these past data on sea surface temperatures and upper air measurements.

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.