cloud base

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DavidC.cloud base
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fe7ffe25-0df3-11e3-8615-bc764e049c3d

The Cloud Base calculator computes the cloud base in feet above ground level (AGL) based on the difference between the ground temperature and the dew point.

INSTRUCTIONS: Choose units and enter the following:

• (ST)  This it the temperature at ground level.
• (DP) This is the dew point

Cloud Base (CB):  The calculator returns the distance above ground for the lowest level of clouds in feet.  However, this can be automatically converted to any length unit (e.g. meters) via the pull-down menu.

The Math / Science

CB = (ST - DP) • 1000 ft  / 4.5 C°

where:

Note:This is for demonstration purposes and should not be used as actual flight data.