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METEOROLOGY

METEOROLOGY. Chapter 6 Objective 6-3. Objective. Objective 6-3 Interpret a weather map and use it to give current conditions. Forecasting Methods. Persistence Method Current conditions will continue in the future. Works for areas and times when there is little change in the weather.

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METEOROLOGY

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  1. METEOROLOGY Chapter 6 Objective 6-3

  2. Objective • Objective 6-3 • Interpret a weather map and use it to give current conditions.

  3. Forecasting Methods • Persistence Method • Current conditions will continue in the future. • Works for areas and times when there is little change in the weather. • Trend Method • Systems will move at constant speeds. • A thunderstorm that is 60 miles W and moving to the E at 20 mph will arrive here in 3 hours.

  4. Forecasting Methods • Climatology Method • Use the averages for the current day collected over a number of years to predict today’s weather. • More accurate when weather is “typical”. • More accurate when more records are available.

  5. Forecasting Methods • Analog Method • Find a day in the past when conditions for your location were similar to today’s conditions. • Predict that the same thing will happen. • It is difficult to find the exact same conditions in a previous situation.

  6. Forecasting Methods • Numerical Weather Prediction • Uses supercomputers and complex mathematical models to predict future conditions. • Models are not precise and initial information is not complete. • Most accurate method.

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