Reporting And Forecasting

Question 1

At what height is surface wind measured at?

Answer 1

30ft (10m)

Question 2

At what height is surface temperature measured at?

Answer 2

4ft

Question 3

What is the AWR weather radar interpretation according to the colours?

Answer 3

Magenta: >1.9 inch/hr

Red: 0.45 - 1.9 inch/hr

Yellow: 0.14 - 0.45 inch/hr

Green: 0.04 - 0.14 inch/hr

Question 4

How often is surface wind reported in METAR, SPECI and ATIS?

Answer 4

METAR/SPECI: 10mins

ATIS: 2mins

Question 5

How long is a METAR valid for?

Answer 5

30mins

Question 6

How long is a TAF valid for?

Answer 6

A period covering 9, 24 or 30hrs

Question 7

How long are AIRMETS valid for?

Answer 7

6hrs

Question 8

How long are SIGMETs valid for?

Answer 8

4hrs (6 if special)

Question 9

How long are VOLMETs valid for?

Answer 9

30mins

Question 10

When is a warning of a marked temperature inversion issued?

Answer 10

> 10 degrees Celsius at any point up to 1000ft

Question 11

When does the Tropical Cyclone advisory centre issue a warning?

Answer 11

The maximum of the 10 minute mean surface wind speed is expected to reach or exceed 17 m/s (34kt)

Question 12

At what temperature is the WORST icing?

Answer 12

Just below 0 degrees Celsius

Question 13

What is Ice Water Content?

Answer 13

I’ve MASS per unit volume of air