Apr 302009
 

The Pacific Decadal Oscillation(PDO) is a cousin of El Nino Southern Oscillation(ENSO). It operates on a much longer, decadal, time scale. The temperatures of the Northern Pacific Ocean can be a big effect on Arizona’s Precipitation. It has been negative, or cool, for several years. Recently, it has moved more severely in that direction. Here is a recent article about it: The PDO’s influence on Climate Change: How low will it go? I think there is still a valuable question about how the sun’s current low output and activity will effect our precipitation in Northern Arizona. Could the combination of a cooling climate offset the cool phase PDO?

Well, for this weekend, it looks like we could get a little precip on Saturday and Sunday. Small amounts with a slight cooling trend.

Sep 292008
 

The water temperatures in the Pacific Ocean are a big factor in determining our weather, particularly our precipitation.  Warm water near us means more moisture for precipitation.  After this website (http://www.cpc.noaa.gov/products/analysis_monitoring/enso_update/gsstanim.shtml) is updated today, I will make my first winter prediction.

I can already tell you, I will not be buying a season pass at Arizona Snowbowl.  I just can’t ski enough times to make it worthwhile.

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