removal of cloud-fog cover
Top Cover， Bottom Cover， And Cover Board
cloud coverage of lower layer cloud
cloud to cloud discharge
cloud-to-cloud discharge
cloud-to-cloud lightning
cumulonimbus cloud with warm cloud base
interaction between the cloud’s macro-dynamics and the cloud microphysics
radar cloud-base and cloud-top indicator
Stratiform Cloud and Wave Cloud
cover-to-cover translation
with average cover {= WA Cover}
3-D charging-discharging cloud model