A guesses
B weather service maps
C opinions from weather watchers
D personal observations
Step-by-step explanation:
Which tools do meteorologist use to help create weather forecast?
Observation methods. Temperature, humidity, precipitation, air pressure, wind speed, and wind direction are key observations of the atmosphere that help forecasters predict the weather. These same factors have been used since the first weather observations were recorded. Observational data collected by doppler radar, radiosondes, weather satellites, buoys and other instruments are fed into computerized NWS numerical forecast models. The models use equations, along with new and past weather data, to provide forecast guidance to our meteorologists the answer is B , C , D hope this .