Relative Frequency of Lamb Circulation Types

Table 1 shows the number of examples of each Lamb circulation type represented in the ACCORD datasets. This shows that all circulation types are adequately represented, although some circulation types occur far more frequently than others.

 

Table 1: Number of examples of each Lamb circulation type in the ACCORD project dataset.

Lamb	Description	Examples
A	anticyclonic	1888
ANE	anticyclonic north eastery	123
AE	anticyclonic easterly	186
ASE	anticyclonic south easterly	104
AS	anticyclonic southerly	82
ASW	anticyclonic south westerly	128
AW	anticyclonic westerly	369
ANW	anticyclonic north westerly	146
AN	anticyclonic northerly	161
NE	north eastery	100
E	easterly	362
SE	south easterly	201
S	southerly	430
SW	south westerly	400
W	westerly	1362
NW	north westerly	417
N	northerly	398
C	cyclonic	1447
CNE	cyclonic north eastery	55
CE	cyclonic easterly	113
CSE	cyclonic south easterly	39
CS	cyclonic southerly	90
CSW	cyclonic south westerly	62
CW	cyclonic westerly	212
CNW	cyclonic north westerly	81
CN	cyclonic northerly	109
U	unclassifiable	431