Cases where lower relative humidity and/or a stronger cap are more likely to have the convection form north of the front.
THICKNESS VALUES FOR 70% SATURATION
P.W.
P.W.
THICKNESS
THICKNESS
.70
540
534
528
522
561
558
552
546
570
567
564
561
576
573
582
579
.55
.27
.22
.43
.35
.90
.80
1.90
1.15
1.05
.90
1.70
1.40
1.25
1.55
558
552
552
558
564
564
570
570
PW=0.80
PW=1.15
L
L
=CONVECTIVE AREA
INFLOW
INFLOW
outflow boundary
From Funk (WAF, 1991)
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