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dit Se lia rocheae eeete te
There will be an extensive sheet of altostratus and altocumulus which
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will make aircraft operations above 20,000 feet difficult and occasionally hazardous,
March and April.
This situation is more particularly true in late
Agein, as during the normal trade flow which is found
during this time of the year, the easterly winds will vary in direction
with height, becoming very strong westerlies above 30,000 feet and
reaching as high as 100 knots at 45,000 feet on occasion,
These winds
are associated with a weather system aloft which can become quite in-
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tense and which can persist for periods in excess of a week,
This
situation is the one to be the most wary of during this period of
operations.
3.
In sumary, normal trade flow weather is to be expected during
the greater part of the period of CASTLE operation,
Day to day fluc-
tuations from the normal will be those elements of digression which
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edeibeate
Nader caps
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will have to be forecast,