A heat wave is a period of unusually and excessively hot weather. They report feeling introspective and unusually calm. It is described as having an unusually sharp black nib. They have a scrappy but not unusually strong fight. They often appear as side washers with an unusually long and bent arm. Abundant plankton result in unusually high fish productivity. The piano begins alone with a theme in Siciliano rhythm characterized by unusually wide leaps. Various birds were also observed flying in unusually large formations. They can be contrasted with thermophiles, which are organisms that thrive at unusually high temperatures. He is notable for having an unusually wide vocal range. The couple noted the unusually bitter taste. The islands have an unusually temperate climate. The poem focuses on an ideal love which is unusually strong. Macroglossia is the medical term for an unusually large tongue. The river flooded in October 1986 as a result of unusually heavy rainfall.