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2 Answers

Area Forecast – What Does BKN CI Tell You About Expected Cloud Height?

Asked by: 5551 views , ,
General Aviation, Instrument Rating, Private Pilot

What does BKN CI tell you about expected cloud height in an Area Forecast? I know that BKN means broken and CI means cirrus. What does it tell you about height of the cirrus?

Here is an example

WA CASCDS WWD
CSTL SXNS...OVC020 TOP FL180. VIS 3-5SM -RA BR. 06Z WND SW G30KT.
OTLK...MVFR CIG RA BR.
CASCDS...
N HLF...OVC050 TOP FL240. VIS 3-5SM -RA/-SN ABV 075 BR.
OTLK...MVFR CIG RA SN BR.
S HLF...BKN CI. 09Z OVC100 TOP 160. 11Z OVC060 TOP 150.
OTLK...MVFR CIG.
RMNDR...BKN040 TOP FL180. VIS 3-5SM -RA BR. BECMG 0911 OVC025.
VIS 3-5SM -RA BR. OTLK...MVFR CIG RA BR.

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2 Answers

  1. Best Answer


    Mark Kolber on Nov 27, 2014

    mmosier1, What are cirrus clouds and where are they found? The answer to that will answer your question.

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  2. mmosier1 on Nov 27, 2014

    So they are above 20,000 feet. I thought that’s what it meant but wasn’t sure.

    Thanks

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