Chapter 22 - Reporting and Forecasting

Question 1

What does WMO stand for

Answer 1

World Metrological Organisation

Question 2

ICAO sets out the guide lines for met in which annex

Answer 2

3

Question 3

WMO + ICAO meet regularly to review what

Answer 3

products + services for the efficiency of aviation

Question 4

WAFC’s are located where and provide what

Answer 4

London and Washington

Upper air SIGWX

Question 5

Met offices issue what and are where

Answer 5

TAF’s and all over the world. (each state has them)

Question 6

Met stations issue what and are usually based where

Answer 6

METAR, SPECI (conditions are changing rapidly), TREND

Question 7

Met watch offices issue what

Answer 7

Sigmet and Airmet

Question 8

Volcanic and Tropical cyclone centres do what

Answer 8

monitor activity and advise met watch offices

Question 9

how often is a SIGWX chart updated

and show what

Answer 9

6-9 hours
upper winds
temp
humidity
tropopause height temp
sig weather

Question 10

Aerodrome warnings are viewed by who and valid for

Answer 10

everyone on the ground
6 hours
sequenced

Question 11

Windshear warnings are given by who and below which height

Answer 11

Met office
Or type of ac from pilot report
below 1600 feet or 500m

Question 12

Windshear alerts are done by automatic systems -

give trigger speeds and update time

Answer 12

15 knots or 7.5 m/s

every minute

Question 13

Automatic Terminal Information Service (ATIS) is what

which north does it use

Answer 13

A continuous broadcast of the airports weather every 30/60 minutes updated

Magnetic

Question 14

Vomet are

uses which north

Answer 14

Do a range of airports. on vhf
and hf more at night (TAF & SIGMET)

True

Question 15

Metar is done how often, for where and uses which north

Answer 15

30 - 60 mins
each aerodrome
true

Question 16

NOSIG
NSW
NSC

Answer 16

no significant change
no significant weather
no significant cloud

Question 17

Temperature and pressure are rounded?

Answer 17

temp up

pressure down

Question 18

Runway state report code meanings

RR
T
E
DD
BB

Answer 18

Runway
Type of condition
Extent of contamination
Depth of deposit 
Braking Condition

Question 19

How long is a TREND/ Landing forecast valid for

Answer 19

2 Hours

Question 20

SIGMET contain

Answer 20

Severe turbulence and icing etc

Question 21

Airmet is a weather warning below certain height and in mountain areas

Answer 21

FL100
Mountain areas FL150
includes moderate turbulence and icing

Question 22

A surface wind speed and direction is averaged over how long

Answer 22

10 minutes