Summary: Luke Howard, the man who changed castles into Cumulus and mares tails into Cirrus. No weather forecast would be complete without his system.<br> <br> <br> <br> Cumulus cloud.<br> <br> <br> <br> <br> <br> Cirrus cloud.<br> <br> <br> <br> Images under Creative Commons licence with thanks to Acabashi and PiccoloNamek.
