La Niña
La Niña update: Weakest SOI in over two years
La Niña is now the weakest it has been in over two years, using the SOI (Southern Oscillation Index) index for monthly values since 1950. The SOI is one measurement tool for calculating the strength of La Niña atmospherically, in this case using sea level pressure values. How does this change the winter outlook, or does it? I discuss that in this video and will present a research image below. Here's the latest monthly SOI data including November to show you the strength relative to all other p
PDO
A Closer look at What El Niño Means for Rain and Snow in Colorado
There has been a great deal of interest in El Niño recently, following multiple authoritative statements that it is on track to be "a significant event ". This conjures up memories of 1997 , which was a significant year for El Niño . This was the year Chris Farley performed his famous El