LUKE HOWARD (1772-1864)

1802 – England

‘All types of clouds can be categorised into three basic families’

luke howard cloud chart

  • High clouds (their bases above 6km) – CIRRUS (hair-like)

  • a. Cirrus
  • b. Cirrocumulus
  • c. Cirrostratus

 

  • Middle clouds (between 2 and 6km) – CUMULUS (puffs)

Nimbostratus cloud type

Nimbostratus

 

    • Low clouds (below 2km) – STRATUS (layers)

  • a. Stratocumulus
  • b. Stratus
  • c. Cumulus

 

Intermediate and compound types are cumulocirrostratus or nimbus (the rain cloud).

Clouds that stretch through the three altitude bands are cumulonimbus.

Portrait of Luke Howard

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