Line Echo Wave Pattern

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BBC/Met Office forecaster Laura Gilcrest commented on twitter

Is that a LEWP?

I’ve not heard of this term before. From Wikipedia

A LEWP, according to the NWAS, is defined as “a squall line that has developed into a wave-like pattern due to acceleration at one end of the line and deceleration along the portion immediately adjacent.”

The bow like pattern does make it a possiblity. Here’s some screen grabs

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Raintoday.co.uk

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Netweather.tv

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Met Office amber warning from earlier today

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Sure a few in the Midlands and North West have would appreciated a warning.

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