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  • Q5256

    Which describes the maximum intensity of icing, if any, at FL180 in the vicinity of CASABLANCA (33?N 008?W) ?

    Can someone help me please, i find C and look in the box, and see the icing symbol has 2 lines on it. So i go for option Moderate, as moderate is two lines.

    But it brings it up as wrong, and says its Severe.

    Can someone Please expalin what i am missing.

    Thanks.

    Graham

  • #2
    answer

    hi beech

    i asked myself the same question.......
    you are right according the symbol it should be moderate icing
    however......... it says also something like isol emb cb.
    In CB you got severe icing..... probably thats whys the answer is severe instead of moderate.

    hope this will explain it to you

    Pieter

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    • #3
      CB s etc

      Yes....be careful:

      for icing, one/two/three lines means light/moderate/severe

      for CAT, there are only the two symbols....moderate, and with 'hat', severe

      also, as you have correctly pointed out, the presence of CBs implies moderate/severe icing/turbulence.

      Tom

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      • #4
        OK thanks guys, i see what you mean, but how close to C.B's have to be to include them to make your answer severe.

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        • #5
          Sorry, i think i answered it myself, i assume if they are in the hatched area, we take it as severe. if they not in the hatched area i assume its moderate

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          • #6
            I'm just thinking, why they did not put that on the chart. As CB are present, shouldn't it be clearly stated "severe" ? That sign for icing is there to be used. If it does not show the correct, actual circumstances, what is it there for?

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