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PRIMUS
r
880
Digital
W
eather
Radar
System
A28-1146-102-00
Radar Facts
5-67
AVOID BOW-SHAPED LINE OF ECHOES BY 20 MILES
Sometimes a fast moving, broken to solid thunderstorm line will
become bow-shaped as shown in figure 5-48. Severe weather is most
likely along the bulge and at the north end, but severe weather can
occur at any point along the line. Bow-shaped lines are particularly
disruptive to aircraft operations because they are broken to solid and
may accelerate to speeds in excess of 70 knots within an hour.
N
VIP 1
VIP 3
VIP 5
S
100 mi
AD-15563-R1@
Bow-Shaped Line of Thunderstorms
Figure 5-48