Respuesta :

Answer:

The National Weather Service uses supercomputers around the clock to accurately produce forecasts, watches, warnings and a whole host of data for the public. ... These computers make use of virtually all observational data that the NWS collects. This data comes from satellites, weather balloons, buoys, radar, and more.

Explanation:

Answer:

I think A) They compile data from multiple instruments.

Explanation:

(im not sure though)