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Refer to figure.
Consider a flight operating from Brussels to Paris, planned for the afternoon 2nd of July 2018, flying at 6 000 ft AMSL. What type of turbulence and icing can you expect?
  • A
    Moderate icing, no turbulence within clouds.
  • B
    Severe turbulence, moderate icing within clouds.
  • C
    Moderate icing and turbulence with clouds.
  • D
    Moderate turbulence, no icing within clouds.

Refer to figure.
The forecasted weather chart is for BELOW 10000 FT - "Forecast Weather below 10 000 ft".
Valid from July the 2nd 2018 0200 UTC until July the 2nd 2018 1100UTC - "Valid 020200 to 021100 Z July 18”.

Even though it is important to have a full understanding of this chart, we will focus on the weather in area C - this is the zone we will be flying across.

Zone C clouds forecast:
"AREAS BKN AC AS MOD ICE MOD TURB 070/XXX"

  • Areas of broken altocumulus and altostratus clouds with bases of 7000 ft and tops above 10 000 ft. Moderate icing and moderate turbulence expected in these clouds.
"ISOL SCT/BKN CU SC MOD ICE MOD TURB 025-050/070"
  • Isolated areas of scattered or broken cumulus and stratocumulus clouds with bases of 2500/5000 ft and tops of 7000 ft. Moderate icing and turbulence expected in these clouds.

Flying at 6000 ft we will be subjected by the conditions described in this section.

"ISOL SCT/BKN ST 010/015 SEA COT"

  • Isolated areas of scattered or broken stratus clouds with bases of 1000 ft and tops of 1500 ft expected on the sea coast.
"ISOL BKN ST 003-006/010 CONTINENT...TL 09 Z (BASE 000 FG/FZFG)"
  • Isolated areas of broken stratus clouds with bases of 300/600 ft and tops of 1000 ft over the continent until 0900 Zulu. Fog or freezing fog with base of 0 ft expected.

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