Met Weather Reports

Question 1

ARFOR issue times

Answer 1

Issued daily between 1730 and 1810 And between 2330 and 0010. One hour earlier during NZDT

Question 2

State TAF issue times for domestic aerodromes and Auckland, Wellington and Christchurch aerodromes.

Answer 2

Tafs issued for domestic between 1430 - 1630 and between 2130 - 2215 daily and 0200-0245 as required for some aerodromes.

TAF for Auckland, Wellington and Christchurch are valid for 24 hours commencing 0000, 0600, 1200, 1800 UTC daily

Question 3

METAR and SPECI issue times

Answer 3

METARS Issued hourly on the hour.

SPECI issued off the hour when weather changes significantly

Question 4

METAR AUTO

Answer 4

Produced every half hour on the hour and half hour.

No SPECI provided

Will not include cloud type

Question 5

TREND

Answer 5

TRENDs indicate when significant changes to occur during the next two hours. The TREND replaces the TAF during the validity time

Question 6

What are the four phenomena that warrant the issue of a SPECI?

Answer 6

Cloud base, wind velocity, visibility, wind gusting

Question 7

What period of time is involved, following improvement in the weather, before a SPECI is cancelled?

Answer 7

10 minutes

Question 8

How many WAF Centers world wide?

Answer 8

2 - London and Washington

Question 9

How many volcanic Ash advisory centers worldwide?

Answer 9

9

Question 10

How many tropical cyclone advisory centers worldwide?

Answer 10

6

Question 11

State Wind and temp forecast chart validity times and update frequency

Answer 11

Valid 3 hours either side of stated valid times.

Updated every 6-12 hours extending 48 hours

Question 12

When must PIREPs be reported?

Answer 12

In event on of significant weather such as

Windshear
Severe turbulence
Severe mountain waves
Heavy dust/sandstorms
Volcanic activity
Severe icing
Thunderstorms

Question 13

The capture of nonturbulent by turbulent is know as?

Answer 13

Entrainment