Weather Forecasting Flashcards

1
Q

What is a warning?

A

Hazardous weather is about to occur or is in progress

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2
Q

What does NWP stand for?

A

Numeric weather predictions

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3
Q

What is numerical weather prediction?

A

Daily forecasting of weather by the computer using mathematical equations

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4
Q

What tools are used for long range forecasting?

A

Probability, statistical models

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5
Q

Upper level charts

A

Slices of upper air

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6
Q

How does probability work with forecasting?

A

And ensemble of my model runs shows mean, variability

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7
Q

What is considered medium range and forecasting?

A

3 to 8 days

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8
Q

Meteogram

A

A chart that shows how one or more weather variables has changed at a station over a given period of time

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9
Q

What is a warning telling you to do?

A

Take action

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10
Q

Surface charts

A

Observed weather data of single stations

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11
Q

What is the Watch telling you to do?

A

Prepare

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12
Q

What is the prognostic chart?

A

The final forecast chart representing the atmosphere at a specified future time

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13
Q

What tools are used in medium range forecasting?

A

GFS – MEX model

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14
Q

What is a Watch?

A

Conditions are favorable to produce a hazardous weather event

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15
Q

Forecast models predict the weather reasonably well __ to __ days into the future

A

4, 6

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16
Q

Station sounding

A

Vertical profile of temperature and wind

17
Q

What is the persistence forecast?

A

A forecast of the future weather condition will be the same as the present condition

18
Q

How does climatological forecasting work?

A

Use long term records

19
Q

What is considered long range and forecasting?

A

More than 192 hours

20
Q

What is considered short range in forecasting?

A

6 to 72 hours

21
Q

What is an advisory?

A

Alerts to other hazardous weather events in the forecast area

22
Q

Computer weather models

A

NWP, prognostic charts

23
Q

What is chaos?

A

Countless small, unpredictable atmospheric fluctuations

24
Q

How does analog or surrogate forecasting work?

A

Use select past weather years as a guide for the future

25
Q

What tools are used for short range forecasting?

A

Global forecast system, aviation, MM5

26
Q

What is ensemble forecasting?

A

A forecasting technique that entails running several forecast models each beginning with slightly different weather