By the numbers
Abbrev.
Bird's eye view
Don't be graphic
Review
100

The number of times a TAF is issued daily.

What is 4?
100

An urgent pilot report.

What is UUA?

100

The report that relays actual conditions from other pilots in flight.

What is a PIREP?
100

A common forecast used to determine a practical cruising altitude for cross-country flights.

What is a Winds Aloft forecast?

100
The three key ingredients of a thunderstorm.

What is unstable air, lifting action, and high moisture?

200
The gust factor is the maximum peak in wind over the past ____ minutes. 

____ is also the minimum difference between peaks and lulls. 

 

What is 10?

200

The abbreviation for an aviation routine weather report.

What is METAR?

200
The designator a pilot would use to describe a cloud layer with 3/8 coverage when making a PIREP. 

What is scattered?

200

A chart that depicts current location of pressure systems and fronts on the ground.

What is a Surface Analysis chart?

200

A type of weather hazard that can negatively impact all forces of flight.

What is icing?
300

Temperatures above this flight level are always negative on a winds aloft forecast.

What is 240?

300

The abbreviation in the remarks of a METAR used to indicate frontal passage.

What is FROPA?

300

The distance a pilot could see from the airplane on the end of the runway.

What is runway visual range?

300

Commonly referred to as an Upper Air Chart.

What is a Constant Pressure Chart?

300

The phenomenon that describes why winds aloft flow parallel to the isobars.

What is geostrophic wind?
400

The number of digits in the specific temperature/dewpoint group in the remarks section of the METAR.

What is 8?

400

A sudden change in direction or magnitude of wind at altitudes below 2,000ft AGL.

What is LLWS?

400

The distance a pilot can see when in the air.

What is flight visibility?

400

The chart that depicts volcanic eruptions.

What is high level significant weather chart?

400

The rate at which a lifted parcel of air would cool down before reaching its dewpoint.

What is Dry Adiabatic Lapse Rate?

500

The threshold wind speed used to determine whether to use VRB or V in a METAR when variable winds are present.

What is 6?

500

The ICAO descriptor used in forecasts when ceilings and visibilities are great, and no significant weather coming. 

What is CAVOK?

500

A pilot encountering widespread IFR conditions would have seen it on this forecast product. 

What is an AIRMET Sierra?

OR

What is a Low-Level Significant Weather Chart?

500

A chart that predicts thunderstorm activity up to 8 days in advance.

What is a Convective Outlook?

500

The local name of a warm, dry, gusty wind occurring in California.

What is Santa Ana?

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