La Niña effect can cause increased snow in the Northwest. With record snowfall, a good water supply for summer months is possible, yet so is dangerous flooding.
As I drive home from work, I can see the Three Sisters covered in snow, glistening in the sun. It’s amazing how bright they are, especially knowing they are over a hundred miles away. Seeing these mountains covered in snow made me wonder, just how much snow is there in the mountains this winter?
I found out that this winter season could match the record for the amount of snowfall in the Pacific Northwest. The previous record was set in 1998-99, when a strong La Niña hit the Pacific Northwest. This year we are being affected by yet another strong La Niña, bringing increased snow to the Northwest.
This January, the snow pack in Washington State has increased to 30 to 50 percent above average. A possible result of this above average snow pack is a positive one: “a good water year at local utilities and hydroelectric plants” (Seattle Times, Jan. 7, 2008). With recent hot, dry summers in the Northwest, having a good snow pack will improve the chances of a good water supply. This is especially important for preventing and combating the fire season. Increased snow pack can help keep soil moist and vegetation green for an increased length.
Yet, there is a negative effect to having increased snowfall: flooding. As the temperatures start to warm up, the snow pack could melt quickly, sending increased volumes of water into Northwest rivers. Officials, such as FEMA, are warning Northwest residents of this danger ahead of time.
