The name 'senior' clubs refers to the 'flex' in the shaft of the  club. Clubs are grouped into the categories that denote how much  the club shaft will bend, or flex, during â¦ the swing. They are, in  ascending order of strength, or stiffness: Ladies, Seniors,  Regular, Stiff, and Tour.
Projected Climate Change. Average annual temperatures in Alaska are projected to rise by an additional 2Â°F to 4Â°F by 2050. If global emissions continue to increase during this century, temperatures can be expected to rise 10Â°F to 12Â°F in the north, 8Â°F to 10Â°F in the interior, and 6Â°F to 8Â°F in the rest of the state.
The chilling science on Alaskaâs melting permafrost. Up to a quarter of the permafrost that lies just under the ground surface in Alaska could thaw by the end of the century, releasing long-trapped carbon that could make its way into the atmosphere and exacerbate global warming, a new study finds. 1  Polygonal lakes created by melting permafrost on Alaskaâs North Slope.NASA.