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The service definition for the Aerodrome Forecast Information Service is currently under development by the MET3SG Task Team on Service Architecture. See Meteorological Aerodrome Forecast Subscription and Request Service.
Service Implementation Status
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The weather forecast is compiled by a qualified meteorologist (perhaps with an element of automation/guidance from NWP) of the designated aerodrome meteorological office (AMO). It will include, as a minimum, the following parameters:
a) Surface Wind direction and speed;
b) Visibility;
c) Weather;
d) Cloud type (if CB or TCU), cloud amount and height of cloud base; and
e) Expected significant changes to one or more of these elements during the period of validity.
The period of validity of an aerodrome forecast shall be either 9 or 24 or 30 hours (determined by the competent authority based upon local requirements) and shall be published not earlier than 1 hour before the commencement of their period of validity.
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The architecture typically involves the following components:
Meteorological Data Collection
Meteorological Analysis and Forecast Models
Aerodrome-Specific Data
Continuous Monitoring and Updates
Service Consumption
Service Consumer Organization
An Aerodrome Meteorological Observation Information Service can be discovered via the SWIM Registry and will be used primarily by:
Aerodrome Air Traffic Service Providers
Airspace Users operating in/out of the aerodrome or as a planned diversion.
Airports
Aerodrome Meteorological Office(s)
Consumer Usage
An Aerodrome Meteorological Forecast Information Service will be used primarily by:
Aerodrome Air Traffic Service Providers
Capacity and demand scenario planning (i.e. LVP clearance timing)
Anticipating runway changes
Planning for Switching between time-based separation for landing and distance based
Network Manager:
Significant weather disruptions occurring at major airport, particularly simultaneously, can have impacts on network predictability. Planning for such events is preferable.
Airspace Users operating in/out of that aerodrome or as planned diversion.
Operators, pilots, flight dispatchers, flight crew members and flight operations centres
Both in the pre flight planning phases and also updates en-route for anticipating landing conditions/configuration in advance of arrival, and planning diversions when necessary.
Airports
Local operating decisions for safety and efficiency i.e. snow clearance, de-icing, grass-cutting, re-fueling etc.
Aerodrome meteorological office(s)
Consistent issuing of airfield warnings and alerts as necessary.