It's called a Sudden Stratospheric Warming (SSW).
A SSW happens when warming in the atmosphere is observed in significant fashion. Typically, stratospheric temperatures will rise by several tens of units over a few days. That is what we have seen in the last couple weeks.
Recently, we have been seeing a drop from the SSW, as observed by these CPC Temperatures.
A SSW happens when warming in the atmosphere is observed in significant fashion. Typically, stratospheric temperatures will rise by several tens of units over a few days. That is what we have seen in the last couple weeks.
Recently, we have been seeing a drop from the SSW, as observed by these CPC Temperatures.
1 comment:
http://doctoochweather.wordpress.com/2012/01/05/pattern-change-on-target-what-to-expect/
they show greenland blocking starting up
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