A very sharply-defined convergence-line - where the steering-flow (L) is meeting a bit of a sea-breeze (clearer air, R).
The line is focussing strong convection, leading to dark cloud-bases as the towers soar above. Hail began to
fall not long after this photo was taken.
Product number 2000-2009377. Email me to enquire about this image: click HERE.

back to Storms Gallery