WX Flashcards

1
Q

How do weatherman make their forecasts?

A

They combine various models and experience

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2
Q

T/F lightning has been known to occur as far as 20 miles from a thunderstorm

A

True

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3
Q

What type of weather report supersedes all others

A

PIREP

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4
Q

T/F: USAF jets do not have to worry about hail on the ground or in the air, because they are rated for combat operations

A

False

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5
Q

Which of the following is/are hazards associated with thunderstorms?
A. Icing
B. Lightning
C. Hail
D. All of the above

A

All of the above

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6
Q

Dew point in a weather report can be important because

A

The dew point - temperature spread indicates the likelihood of ground fog

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7
Q

In the following METAR what is the temperature

KDLF 261255 05015G25 7SM SCT030 OVC100 25/18 2997

A

25

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8
Q

T/F: A METAR is a scheduled observation taken between 55-59 minutes past the hour:

A

True

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9
Q

Wind direction in a weather forecast (wind aloft) is given as:

A

True

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10
Q

T/F: A SPECI (special report) refers to an unscheduled observation that met a predefined criteria (such as a change from VFR to IFR) and can only be taken in the first 20 minutes of the hour

A

False

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11
Q

On a METAR/TAF, broken (BKN) indicates layers of clouds in sky coverage (in eighths). How many eighths is considered a broken sky?

A

5-7

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12
Q

On a METAR/TAF, overcast (OVC) indicates layers of clouds in sky coverage (in eighths). How many eighths is considered an overcast sky?

A

8

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13
Q

On a METAR/TAF, scattered (SCT) indicates layers of clouds in sky coverage (in eighths). How many eighths is considered scattered?

A

3-4

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14
Q

On a METAR/TAF, few (FEW) indicates layers of clouds in sky coverage (in eighths). How many eighths is considered few clouds?

A

0-2

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15
Q

On a METAR/TAF, what level of cloud coverage is considered a ceiling?
A. SCT
B. BKN
C. B&C
E. All of the above

A

B&C

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16
Q

In the following METAR, TSRA stand for?

KDLF 261255 05015G25 1/2SM TSRA OVC005TCU 25/18 2997

A

Moderate rain and thunderstorms

17
Q

In the following METAR, what does FU stand for?

KDLF 261255 05015G25 3SM FU SCT030 OVC100 25/18 2997

A

Smoke

18
Q

What is considered standard atmospheric pressure measured as in Hg?

A

29.92

19
Q

In the following METAR, what does VIRGA stand for?

KDLF 261255 05015G25 7SM SCT030 OVC100 25/18 2997 RMK VIRGA SW

A

precipitation observed but not reaching the ground