Cloud Reporting

Question 1

SKC

Answer 1

“No Cloud / Sky Clear” used to indicate a human generated report

Question 2

NCD

Answer 2

“Nil Cloud Detected” Automated station has not detected any cloud (due to lack of or sensor error)

Question 3

CLR

Answer 3

No clouds below 12,000 ft

Question 4

FEW

Answer 4

Few Clouds

Question 5

SCT

Answer 5

Scattered Clouds

Question 6

BKN

Answer 6

Broken Cloud Layer

Question 7

OVC

Answer 7

Overcast - full cloud coverage

Question 8

VV

Answer 8

Clouds can’t be seen because of fog or heavy precip so vertical visibility is given instead