Table 1 Area averaged cloud cover over (10S-10N, 150E-180E).

TCC HCC MCC LCC
Nature run

5 Feb-7 Mar 93

78 74 19 18
NR Satellite view

Max overlap

74

(under-estimate)

74 0 0
NR Satellite view

Random overlap

111

(over-estimate)

74 19 18
RTNEPH

(Feb 93)

82 35 35 67
RTN Satellite view

Max overlap

67

(under-estimate)

35 3 29
RTN Satellite view

Random overlap

85

(over-estimate)

35 22 28
NCEP anal

(Feb 93)

57 35 28 37
ISCCP

satellite view

 (Feb 93)

86 41 23 21
Warren

(Feb 1981)

67 Ci =25

Cb=11

Alt=36

Cb=11

Cu=16

St=21

Cb=11