MET.OR.242 Information to be provided to air traffic services units

(a)An aerodrome meteorological office shall provide, as necessary, its associate aerodrome control tower and AFIS unit with:

(1)local routine report, local special report, METAR, SPECI, TAF and TREND and amendments thereto;

(2)SIGMET, AIRMET, wind shear warnings and alerts and aerodrome warnings;

(3)any additional meteorological information agreed upon locally, such as forecasts of surface wind for the determination of possible runway changes;

(4)information received on volcanic ash cloud, for which a SIGMET has not already been issued, as agreed between the aerodrome meteorological office and the aerodrome control tower or the AFIS unit concerned;

(5)information received on pre-eruption volcanic activity and/or a volcanic eruption as agreed between the aerodrome meteorological office and the aerodrome control tower or the AFIS unit concerned.

(b)An aerodrome meteorological office shall provide its associate approach control unit with:

(1)local routine report, local special report, METAR, SPECI, TAF and TREND and amendments thereto;

(2)SIGMET, AIRMET, wind shear warnings and alerts, appropriate special air-reports and aerodrome warnings;

(3)any additional meteorological information agreed upon locally;

(4)information received on volcanic ash cloud, for which a SIGMET has not already been issued, as agreed between the aerodrome meteorological office and the approach control unit concerned;

(5)information received on pre-eruption volcanic activity and/or a volcanic eruption as agreed between the aerodrome meteorological office and the approach control unit concerned.