Weather Forecast Verification

Which is not a problem in the NWP

• Parameterization Problem

• Initial condition

  problem

• has no problems

• Modelling

  problem

which is not a source of uncertainty in man-made predictions?

• Consistency of NWP model references

• Analysis skill

• Experience

• Patience

Why do we need to verify our forecast?

• to monitor forecast quality

• to improve forecast quality

• to compare the quality of different forecast systems

• all answers are correct

What is "truth" when verifying a forecast?

• prediction data

• observational data

• NWP data

• model data

for maximum temperature verification, which method should be used?

• Continuous

• multi-category

• dichotomous

• object- or event-oriented

to verify the occurrence of a thunderstorm, which method should be used

• dichotomous

• multi-category

• Continuous

• object- or event-oriented

to verify the movement and intensity of tropical cyclones, which method should be used

• multi-category

• Continuous

• object- or event-oriented

• dichotomous

A forecast has value if it helps the user to make a better decision.

• True

• False

which one is not included in the weather parameter?

• Ozon

• Temperature

• Wind

• Relative Humidity

what do we compare when verifying weather forecasts?

• Model data - Prediction data

• observational data - Prediction data

• NWP - Prediction data

• observational data - Satellite data