The cloud base (or the base of the cloud) is the lowest altitude of the visible portion of the cloud. It is traditionally expressed either in m or feet above mean sea level (or planetary surface), or as the corresponding pressure level in hectopascal (hPa, equivalent to millibar).
Read more about Cloud Base: Measurement, Weather and Climate Relevance
Famous quotes containing the words cloud and/or base:
“Follow your saint, follow with accents sweet;
Haste you, sad notes, fall at her flying feet.
There, wrapped in cloud of sorrow, pity move,
And tell the ravisher of my soul I perish for her love.”
—Thomas Campion (1567–1620)
“There is but one pride pardonable; that of being above doing a base or dishonorable action.”
—Samuel Richardson (1689–1761)