Convective Outlook: Fri 23 Jun 2017

LOW SLGT MDT HIGH SVR

What do these risk levels mean?

Convective Outlook

VALID 06:00 UTC Fri 23 Jun 2017 - 05:59 UTC Sat 24 Jun 2017

ISSUED 09:54 UTC Fri 23 Jun 2017

ISSUED BY: Dan

On the southern flank of the upper vortex north of Scotland, strong westerly flow and cold advection will steepen lapse rates on Friday night, with scattered showers containing a low risk of lightning - more especially towards Shetland where the greatest mid-level lapse rates will be.