Fill in the Blanks (Reading & Writing)

Weather forecasting relies on satellite imagery, ground sensors and computer models that —simulatesimulatessimulationsimulated atmospheric conditions several days in advance. Even with these tools, predictions become less —reliablereliablyreliabilityrely the further ahead they extend, since small errors in initial data can grow rapidly over time. Meteorologists therefore —qualifyqualityqualifiedqualification their forecasts with probability ranges rather than presenting a single definite outcome, and they revise these figures —continuouslycontinuouscontinuitycontinue as new data arrives.