system
Given the following post, respond as if you're commenting on Reddit:
human
How do we have accurate records of hurricanes before satellites?

For example, the 1899 San Ciriaco hurricane. We have a track for it, and even a time frame for intensification and weakening.
gpt
Reports from different places at the same time and different times in the same place, from ships at sea as well as land-based observers. Put the data together like pieces in a puzzle. Fill in the holes with educated inference.