weatherforecasting - Weather Forecasting These are not...

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Weather Forecasting
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These are not weather forecasters!
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These are weather forecasters
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How is a Weather Forecast Made? • Collect Data – Get symptoms – Run tests • Analyze Data – Connecting process – All data needs to be viewed • Make Forecast based on Analysis – Make a diagnosis • Use all data • Use all experiences • Use all knowledge A physician makes a diagnosis…
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How is ANY Weather Forecast Made? 1. Collect Data 2. Analyze Data 3. Make Forecast based on Analysis
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1. Collecting Data • What kinds of data do we need? – Temperature – Moisture – Cloud Cover – Winds – Precipitation & type – ?
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1. Collecting Data • How are these data obtained? – surface stations – 100's of ships – radiosondes (twice daily) – commercial aircraft – Satellites – Radar – Buoys
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1. Collecting Data World-wide, Time Synchronous
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9 2. Data Analysis
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Examples of Analysis Maps/Charts
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11 Meteograms • Surface Data • Instruments • Frequency? • Why?
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Examples of Analysis Maps/Charts
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Examples of Analysis Maps/Charts
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Examples of Analysis Maps/Charts
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Doppler Radar
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16 Radar Imagery – What does it tell us? • Precipitation – Geographic Location – Intensity – Direction of movement • Wind data – Relative direction to radar – Speed
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17 Radar Imagery – What does it tell us? • Frequency: – Upper air data for ~ 130 mi radius – Radar runs “continuously” • Why?
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This note was uploaded on 10/08/2010 for the course GEOG 1172 taught by Professor Snyder during the Summer '10 term at Minnesota Colleges.

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weatherforecasting - Weather Forecasting These are not...

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