Weather Reports

Question 1

What are the 3 types of weather reporting?

Answer 1

Metar - Current Information
TAF - Forecast
Metrological Forcasts - Forecasts

Question 2

What is a Metar - when is it issued?

Answer 2

Current conditions at an aerodrome
Hourly - manual (during operations )
30 minutes - AUTO ( day or night )

Question 3

What is a Speci?

Answer 3

Special Metar
Issued if weather conditions change signifcantly or exceed certain conditions

Detoriating - issued immediately
Improving - issued after 10 minutes
Issue time - to the nearest 5 minutes

Question 4

What is a Trend with regards to a metar/TAF?

Answer 4

Only issued for TAF - it’s a trend forecase
Only reports:
- Wind
- Vis
- Weather Phenomem
- State of Sky

Question 5

When are windshear conditions reported ( actual or expected )?

Answer 5

Only actual.
Usually from Pireps or observations
For the landing and take-off paths only

Question 6

What is a basic weather report? How are they generated?

Answer 6

Observations from people outside of normal channels:
- Pilots and ground staff
- Individuals, with equipment

If they use equipment they are required to confirm it is maintained.

Question 7

What is a TAF?
What is the validatity period?
What is in the issue period?

Answer 7

Terminal Area Forecast.
Valid - 24 hours ( major centers )
For major centers ( NZAA, NZWN, NZCH) - issued 4 times a day.
For other centers, see AIP.
Issued 1 hour before start

Question 9

What are the 3 change indicators?

Answer 9

Tempo
Becoming
NOSIG= - no significant

Note: This only apply for the DURATION of the report.

Question 10

What are the 7 required Metar Groups?

Answer 10

Aerodrome
Time
Wind
Vis
State of Sky
Temp/Dew
QNH

Question 11

Are winds in Magnetic or True for:
Metar
Taf
ATIS?

Answer 11

Metar and Taf - True
ATIS - Magnetic