Sentences with phrase «northwest snowpack declined»

Not exact matches

For example, Mote and Sharp (2016) showed that western Montana and the Pacific Northwest have experienced the most drastic declines in snowpack volume in the West over the past 80 yr.

Declines in snowpack are projected to continue as temperatures warm and more winter precipitation falls as rain rather than snow throughout the Pacific Northwest.

Snowpack on April 1 has declined throughout the Northwest.

As temperatures in the Northwest continue to rise this century, scientists expect snowpack to keep declining.2 In the Cascades, scientists project a reduction of as much as 40 percent in the amount of snow on April 1 by the 2040s, under a business - as - usual emissions path.11, 12

As the climate of the Pacific Northwest warms, more winter precipitation is falling as rain, compared with historical averages.2 With declining snowpack in Oregon's Cascade Mountains, peak stream flows are occurring earlier, and summer flows are declining.2 These changes are expected to continue as heat - trapping emissions grow, putting more stress on already endangered salmon that return to the Columbia and other rivers in the region to spawn.2

Those who do come to the Northwest will be faced with an unpleasant reality, she adds, reciting a list of problems expected to strike the region before the turn of the century: regional temperature increases between 5.5 and 9.1 degrees Fahrenheit; drier summers making the Northwest's forests more susceptible to fire; declining snowpack, as more precipitation falls as rain instead of snow at higher elevations, straining regional water supplies and increasing the risk of flooding downstream.