Chapter 22 - Reporting and Forecasting Flashcards
What does WMO stand for
World Metrological Organisation
ICAO sets out the guide lines for met in which annex
3
WMO + ICAO meet regularly to review what
products + services for the efficiency of aviation
WAFC’s are located where and provide what
London and Washington
Upper air SIGWX
Met offices issue what and are where
TAF’s and all over the world. (each state has them)
Met stations issue what and are usually based where
METAR, SPECI (conditions are changing rapidly), TREND
Met watch offices issue what
Sigmet and Airmet
Volcanic and Tropical cyclone centres do what
monitor activity and advise met watch offices
how often is a SIGWX chart updated
and show what
6-9 hours upper winds temp humidity tropopause height temp sig weather
Aerodrome warnings are viewed by who and valid for
everyone on the ground
6 hours
sequenced
Windshear warnings are given by who and below which height
Met office
Or type of ac from pilot report
below 1600 feet or 500m
Windshear alerts are done by automatic systems -
give trigger speeds and update time
15 knots or 7.5 m/s
every minute
Automatic Terminal Information Service (ATIS) is what
which north does it use
A continuous broadcast of the airports weather every 30/60 minutes updated
Magnetic
Vomet are
uses which north
Do a range of airports. on vhf
and hf more at night (TAF & SIGMET)
True
Metar is done how often, for where and uses which north
30 - 60 mins
each aerodrome
true
