Line Echo Wave Pattern. A bulge in a thunderstorm line producing a wave-shaped "kink" in the line. The potential for strong outflow and damaging straight-line winds increases near the bulge, which often resembles a bow echo . Severe weather potential also is increased with storms near the crest of a LEWP.
LEWP
Meaning of LEWP in English
A comprehensive English glossary of weather. Полный английский глоссарий погоды. 2012