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OKwx2k4 posted a topic in East of the Rockies
Phil posted a topic in Climate, World Weather, and Earth SciencesWe're now entering the crucial window that will determine the momentum of the tropical circulation as we head deeper into 2014. Right now, a massive kelvin wave (possibly the strongest wave in history) is propagating across the tropical pacific as the climate system begins a significant transition away from the 1998-2012 regime. This wave similar to the persistent wind forcing/wave event that jump started the 1997-98 super Niño. However, I'm not sold that we're in for a strong Niño at this time. As I've been saying for a year now, I believe winter 2014-15 will feature a weak to moderate El Niño, probably either peaking early and/or featuring two peaks. I base this prediction on stratospheric, solar, and internal parameters..with the Sun/QBO coupling ultimately determining whether or not the upcoming ENSO warming during March/April/May will sustain or recoil into a chaotic mess. This should be an interesting evolution, as the global circulatory network is now moving away from the dominating 1998-2012 regime.
Monthly Synoptic Summary
PRISM posted a topic in Climate, World Weather, and Earth SciencesAll: You might not be aware of this excellent summary of the weather pattern (e.g. indexes) after the facts: http://www.ncdc.noaa.gov/sotc/synoptic/2014/2 Note: This Synoptic Discussion describes recent weather events and climate anomalies in relation to the phenomena that cause the weather. These phenomena include the jet stream, fronts and low pressure systems that bring precipitation, high pressure systems that bring dry weather, and the mechanisms which control these features — such as El Niño, La Niña, and other oceanic and atmospheric drivers (PNA, NAO, AO, and others). The report may contain more technical language than other components of the State of the Climate series. Goes back to 2011 by month.