Table 6: Fronts


IMPORTANT: Before using this table read the Definition of terms used

Key: S=Standard, W=Weak, A=Ana, K=Kata

IOP Primary Warm Front Secondary Warm Front warm conveyor belt front? Primary Cold Front Secondary Cold Front
Upper Front Surface Front Slope Upper Front Surface Front Slope Upper Front Surface Front Slope Upper Front Surface Front Slope
1 - S,A 1:70 - S,A - Yes S,A S,A 1:60 (forward sloping) - - -
2 S,A S,A 1:27 S,A S,A 1:17 No - - - - - -
4 - W,A - - - - Yes W,A W,A/K 1:15 (forward sloping) - - -
5 S,A S,A 1:37 - - - Yes S,A S,K 1:62 - - -
6 S,A S,A 1:75 S,K S,A 1:30 No - - - - - -
7 - S,A - - - - Yes (weak) S,A S,A 1:57 S,A - -
9 S,A S,A 1:38 - - - Yes S,K S,K 1:38 (forward sloping) S,A W,A Vertical
10 S,A S,A 1:50 - - - Yes S,A S,K 1:25 - - -
11 S,A S,A 1:42 S,A S,A 1:70 No S,A S,A 1:42 - - -
11a S,A S,A 1:5 S,A S,K 1:43 variable No - - - W,K - -
12 S,A S,A 1:35 - - - - S,A W,A - - - -
15 S,A S,A 1:30 (forward sloping) S,A S,A Vertical No - - - - - -
16 S,A S,A 1:50 - - - Yes S,A S,K 1:25 - - -
17 S,A S,A 1:47 S,A S,A 1:19 No S,A S,K 1:10(forward sloping) - - -
18 S,A W,A 1:31 - S,A - Yes(2) S,A W,A 1:14 (forward sloping) S,K W,K Vertical
19 - - - - - - No S,A S,A 1:35 - S,A -
IOP Primary Warm Front Secondary Warm Front warm conveyor belt front? Primary Cold Front Secondary Cold Front
Upper Front Surface Front Slope Upper Front Surface Front Slope Upper Front Surface Front Slope Upper Front Surface Front Slope

Humphrey W Lean | | hwlean@meto.gov.uk