http://earthobservatory.nasa.gov/IOTD/view.php?id=85714
Image #1 - April 2014
Image #2 - March 2015
Just by looking at the photos we can see the "blob" as some like to call it and we can notice the difference between the two. Sea surface temperature is on the rise and it's all thanks to El Nino. Over the past few years we have had warmer than average temperatures and have broken records for some of the hottest months on record.
The weather in North America, particularly in winter, has been
unusually extreme for much of the past two years. The western half has
endured record-setting heat and, in many places, persistent and
debilitating drought. The eastern half of North America has faced record
cold and snow. With less food in the region, Pacific Northwest and California Current
fish species started appearing in the waters off Alaska. Sea birds and
sea lions were dying off or becoming emaciated because of a lack of
food.
Bill Patzert, a climatologist at NASA’s Jet Propulsion Laboratory, added
that “the appearance of the ‘blob’ and other changes in temperatures,
wind patterns, and ocean currents may indicate that the Pacific Ocean is
shifting from a cool, dry phase to a warm, wet phase of the Pacific Decadal Oscillation. Past similar shifts have signaled wetter winters in the West and more
benign winters in the upper Midwest and Northeast, a flip-flop from the
past few winters.”
-Therese Latimer
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