Formation of undulations within the mid-level cloud layer early on this day due to wind shear at mid-levels though it was lighter then at the surface. The North African low pressure system of the last few days had transformed itself into a mild but very rare (for June) Mediterranean cyclone to the East Central Mediteranean with a central low of around 999hPa maintaining the very rough sea over the Eastern side of the Maltese Islands. The weather charts depict all this.